AyeCode / invoicing

includes/data-stores/class-getpaid-item-data-store.php

Indentation +209 added lines, -209 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -14,228 +14,228 @@ 
  */
 class GetPaid_Item_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for an item.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'_wpinv_price',
-		'_wpinv_vat_rule',
-		'_wpinv_vat_class',
-		'_wpinv_type',
-		'_wpinv_custom_id',
-		'_wpinv_custom_name',
-		'_wpinv_custom_singular_name',
-		'_wpinv_editable',
-		'_wpinv_dynamic_pricing',
-		'_minimum_price',
-		'_wpinv_is_recurring',
-		'_wpinv_recurring_period',
-		'_wpinv_recurring_interval',
-		'_wpinv_recurring_limit',
-		'_wpinv_free_trial',
-		'_wpinv_trial_period',
-		'_wpinv_trial_interval'
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'_wpinv_price'                => 'price',
-		'_wpinv_vat_rule'             => 'vat_rule',
-		'_wpinv_vat_class'            => 'vat_class',
-		'_wpinv_type'                 => 'type',
-		'_wpinv_custom_id'            => 'custom_id',
-		'_wpinv_custom_name'          => 'custom_name',
-		'_wpinv_custom_singular_name' => 'custom_singular_name',
-		'_wpinv_editable'             => 'is_editable',
-		'_wpinv_dynamic_pricing'      => 'is_dynamic_pricing',
-		'_minimum_price'              => 'minimum_price',
-		'_wpinv_custom_name'          => 'custom_name',
-		'_wpinv_is_recurring'         => 'is_recurring',
-		'_wpinv_recurring_period'     => 'recurring_period',
-		'_wpinv_recurring_interval'   => 'recurring_interval',
-		'_wpinv_recurring_limit'      => 'recurring_limit',
-		'_wpinv_free_trial'           => 'is_free_trial',
-		'_wpinv_trial_period'         => 'trial_period',
-		'_wpinv_trial_interval'       => 'trial_interval',
-		'_wpinv_version'              => 'version',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for an item.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        '_wpinv_price',
+        '_wpinv_vat_rule',
+        '_wpinv_vat_class',
+        '_wpinv_type',
+        '_wpinv_custom_id',
+        '_wpinv_custom_name',
+        '_wpinv_custom_singular_name',
+        '_wpinv_editable',
+        '_wpinv_dynamic_pricing',
+        '_minimum_price',
+        '_wpinv_is_recurring',
+        '_wpinv_recurring_period',
+        '_wpinv_recurring_interval',
+        '_wpinv_recurring_limit',
+        '_wpinv_free_trial',
+        '_wpinv_trial_period',
+        '_wpinv_trial_interval'
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        '_wpinv_price'                => 'price',
+        '_wpinv_vat_rule'             => 'vat_rule',
+        '_wpinv_vat_class'            => 'vat_class',
+        '_wpinv_type'                 => 'type',
+        '_wpinv_custom_id'            => 'custom_id',
+        '_wpinv_custom_name'          => 'custom_name',
+        '_wpinv_custom_singular_name' => 'custom_singular_name',
+        '_wpinv_editable'             => 'is_editable',
+        '_wpinv_dynamic_pricing'      => 'is_dynamic_pricing',
+        '_minimum_price'              => 'minimum_price',
+        '_wpinv_custom_name'          => 'custom_name',
+        '_wpinv_is_recurring'         => 'is_recurring',
+        '_wpinv_recurring_period'     => 'recurring_period',
+        '_wpinv_recurring_interval'   => 'recurring_interval',
+        '_wpinv_recurring_limit'      => 'recurring_limit',
+        '_wpinv_free_trial'           => 'is_free_trial',
+        '_wpinv_trial_period'         => 'trial_period',
+        '_wpinv_trial_interval'       => 'trial_interval',
+        '_wpinv_version'              => 'version',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new item in the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 */
-	public function create( &$item ) {
-		$item->set_version( WPINV_VERSION );
-		$item->set_date_created( current_time('mysql') );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_item_data',
-				array(
-					'post_date'     => $item->get_date_created( 'edit' ),
-					'post_type'     => 'wpi_item',
-					'post_status'   => $this->get_post_status( $item ),
-					'ping_status'   => 'closed',
-					'post_author'   => $item->get_author( 'edit' ),
-					'post_title'    => $item->get_name( 'edit' ),
-					'post_parent'   => 0,
-					'post_excerpt'  => $item->get_description( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$item->set_id( $id );
-			$this->update_post_meta( $item );
-			$item->save_meta_data();
-			$item->apply_changes();
-			$this->clear_caches( $item );
-			do_action( 'getpaid_new_item', $item );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$item->last_error = $id->get_error_message();
-		}
+    /**
+     * Method to create a new item in the database.
+     *
+     * @param WPInv_Item $item Item object.
+     */
+    public function create( &$item ) {
+        $item->set_version( WPINV_VERSION );
+        $item->set_date_created( current_time('mysql') );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_item_data',
+                array(
+                    'post_date'     => $item->get_date_created( 'edit' ),
+                    'post_type'     => 'wpi_item',
+                    'post_status'   => $this->get_post_status( $item ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $item->get_author( 'edit' ),
+                    'post_title'    => $item->get_name( 'edit' ),
+                    'post_parent'   => 0,
+                    'post_excerpt'  => $item->get_description( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $item->set_id( $id );
+            $this->update_post_meta( $item );
+            $item->save_meta_data();
+            $item->apply_changes();
+            $this->clear_caches( $item );
+            do_action( 'getpaid_new_item', $item );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $item->last_error = $id->get_error_message();
+        }
 		
-		return false;
-	}
-
-	/**
-	 * Method to read an item from the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 *
-	 */
-	public function read( &$item ) {
-
-		$item->set_defaults();
-		$item_object = get_post( $item->get_id() );
-
-		if ( ! $item->get_id() || ! $item_object || $item_object->post_type != 'wpi_item' ) {
-			$item->last_error = __( 'Invalid item.', 'invoicing' );
-			$item->set_id( 0 );
-			return false;
-		}
-
-		$item->set_props(
-			array(
-				'parent_id'     => $item_object->post_parent,
-				'date_created'  => 0 < $item_object->post_date ? $item_object->post_date : null,
-				'date_modified' => 0 < $item_object->post_modified ? $item_object->post_modified : null,
-				'status'        => $item_object->post_status,
-				'name'          => $item_object->post_title,
-				'description'   => $item_object->post_excerpt,
-				'author'        => $item_object->post_author,
-			)
-		);
-
-		$this->read_object_data( $item, $item_object );
-		$item->read_meta_data();
-		$item->set_object_read( true );
-		do_action( 'getpaid_read_item', $item );
-
-	}
-
-	/**
-	 * Method to update an item in the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 */
-	public function update( &$item ) {
-		$item->save_meta_data();
-		$item->set_version( WPINV_VERSION );
-
-		if ( null === $item->get_date_created( 'edit' ) ) {
-			$item->set_date_created(  current_time('mysql') );
-		}
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $item->get_id() );
-
-		$changes = $item->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt', 'name', 'author' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $item->get_date_created( 'edit' ),
-				'post_status'       => $item->get_status( 'edit' ),
-				'post_parent'       => $item->get_parent_id( 'edit' ),
-				'post_excerpt'      => $item->get_description( 'edit' ),
-				'post_modified'     => $item->get_date_modified( 'edit' ),
-				'post_title'        => $item->get_name( 'edit' ),
-				'post_author'       => $item->get_author( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $item->get_id() ) );
-				clean_post_cache( $item->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $item->get_id() ), $post_data ) );
-			}
-			$item->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $item );
-		$item->apply_changes();
-		$this->clear_caches( $item );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $item->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_item', $item );
-		} else {
-			do_action( 'getpaid_update_item', $item );
-		}
-
-	}
-
-	/*
+        return false;
+    }
+
+    /**
+     * Method to read an item from the database.
+     *
+     * @param WPInv_Item $item Item object.
+     *
+     */
+    public function read( &$item ) {
+
+        $item->set_defaults();
+        $item_object = get_post( $item->get_id() );
+
+        if ( ! $item->get_id() || ! $item_object || $item_object->post_type != 'wpi_item' ) {
+            $item->last_error = __( 'Invalid item.', 'invoicing' );
+            $item->set_id( 0 );
+            return false;
+        }
+
+        $item->set_props(
+            array(
+                'parent_id'     => $item_object->post_parent,
+                'date_created'  => 0 < $item_object->post_date ? $item_object->post_date : null,
+                'date_modified' => 0 < $item_object->post_modified ? $item_object->post_modified : null,
+                'status'        => $item_object->post_status,
+                'name'          => $item_object->post_title,
+                'description'   => $item_object->post_excerpt,
+                'author'        => $item_object->post_author,
+            )
+        );
+
+        $this->read_object_data( $item, $item_object );
+        $item->read_meta_data();
+        $item->set_object_read( true );
+        do_action( 'getpaid_read_item', $item );
+
+    }
+
+    /**
+     * Method to update an item in the database.
+     *
+     * @param WPInv_Item $item Item object.
+     */
+    public function update( &$item ) {
+        $item->save_meta_data();
+        $item->set_version( WPINV_VERSION );
+
+        if ( null === $item->get_date_created( 'edit' ) ) {
+            $item->set_date_created(  current_time('mysql') );
+        }
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $item->get_id() );
+
+        $changes = $item->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt', 'name', 'author' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $item->get_date_created( 'edit' ),
+                'post_status'       => $item->get_status( 'edit' ),
+                'post_parent'       => $item->get_parent_id( 'edit' ),
+                'post_excerpt'      => $item->get_description( 'edit' ),
+                'post_modified'     => $item->get_date_modified( 'edit' ),
+                'post_title'        => $item->get_name( 'edit' ),
+                'post_author'       => $item->get_author( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $item->get_id() ) );
+                clean_post_cache( $item->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $item->get_id() ), $post_data ) );
+            }
+            $item->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $item );
+        $item->apply_changes();
+        $this->clear_caches( $item );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $item->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_item', $item );
+        } else {
+            do_action( 'getpaid_update_item', $item );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Helper method that updates all the post meta for an item based on it's settings in the WPInv_Item class.
-	 *
-	 * @param WPInv_Item $item WPInv_Item object.
-	 * @since 1.0.19
-	 */
-	protected function update_post_meta( &$item ) {
+    /**
+     * Helper method that updates all the post meta for an item based on it's settings in the WPInv_Item class.
+     *
+     * @param WPInv_Item $item WPInv_Item object.
+     * @since 1.0.19
+     */
+    protected function update_post_meta( &$item ) {
 
-		// Ensure that we have a custom id.
+        // Ensure that we have a custom id.
         if ( ! $item->get_custom_id() ) {
             $item->set_custom_id( $item->get_id() );
-		}
+        }
 
-		parent::update_post_meta( $item );
-	}
+        parent::update_post_meta( $item );
+    }
 
 }

includes/data-stores/class-getpaid-payment-form-data-store.php

Indentation +169 added lines, -169 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -14,179 +14,179 @@ 
  */
 class GetPaid_Payment_Form_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for a form.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'wpinv_form_elements',
-		'wpinv_form_items',
-		'wpinv_form_earned',
-		'wpinv_form_refunded',
-		'wpinv_form_cancelled',
-		'wpinv_form_failed'
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'wpinv_form_elements'  => 'elements',
-		'wpinv_form_items'     => 'items',
-		'wpinv_form_earned'    => 'earned',
-		'wpinv_form_refunded'  => 'refunded',
-		'wpinv_form_cancelled' => 'cancelled',
-		'wpinv_form_failed'    => 'failed',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for a form.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        'wpinv_form_elements',
+        'wpinv_form_items',
+        'wpinv_form_earned',
+        'wpinv_form_refunded',
+        'wpinv_form_cancelled',
+        'wpinv_form_failed'
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        'wpinv_form_elements'  => 'elements',
+        'wpinv_form_items'     => 'items',
+        'wpinv_form_earned'    => 'earned',
+        'wpinv_form_refunded'  => 'refunded',
+        'wpinv_form_cancelled' => 'cancelled',
+        'wpinv_form_failed'    => 'failed',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new form in the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 */
-	public function create( &$form ) {
-		$form->set_version( WPINV_VERSION );
-		$form->set_date_created( current_time('mysql') );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_payment_form_data',
-				array(
-					'post_date'     => $form->get_date_created( 'edit' ),
-					'post_type'     => 'wpi_payment_form',
-					'post_status'   => $this->get_post_status( $form ),
-					'ping_status'   => 'closed',
-					'post_author'   => $form->get_author( 'edit' ),
-					'post_title'    => $form->get_name( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$form->set_id( $id );
-			$this->update_post_meta( $form );
-			$form->save_meta_data();
-			$form->apply_changes();
-			$this->clear_caches( $form );
-			do_action( 'getpaid_create_payment_form', $form );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$form->last_error = $id->get_error_message();
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a form from the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 *
-	 */
-	public function read( &$form ) {
-
-		$form->set_defaults();
-		$form_object = get_post( $form->get_id() );
-
-		if ( ! $form->get_id() || ! $form_object || $form_object->post_type != 'wpi_payment_form' ) {
-			$form->last_error = __( 'Invalid form.', 'invoicing' );
-			$form->set_id( 0 );
-			return false;
-		}
-
-		$form->set_props(
-			array(
-				'date_created'  => 0 < $form_object->post_date ? $form_object->post_date : null,
-				'date_modified' => 0 < $form_object->post_modified ? $form_object->post_modified : null,
-				'status'        => $form_object->post_status,
-				'name'          => $form_object->post_title,
-				'author'        => $form_object->post_author,
-			)
-		);
-
-		$this->read_object_data( $form, $form_object );
-		$form->read_meta_data();
-		$form->set_object_read( true );
-		do_action( 'getpaid_read_payment_form', $form );
-
-	}
-
-	/**
-	 * Method to update a form in the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 */
-	public function update( &$form ) {
-		$form->save_meta_data();
-		$form->set_version( WPINV_VERSION );
-
-		if ( null === $form->get_date_created( 'edit' ) ) {
-			$form->set_date_created(  current_time('mysql') );
-		}
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $form->get_id() );
-
-		$changes = $form->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $form->get_date_created( 'edit' ),
-				'post_status'       => $form->get_status( 'edit' ),
-				'post_title'        => $form->get_name( 'edit' ),
-				'post_author'       => $form->get_author( 'edit' ),
-				'post_modified'     => $form->get_date_modified( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $form->get_id() ) );
-				clean_post_cache( $form->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $form->get_id() ), $post_data ) );
-			}
-			$form->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $form );
-		$form->apply_changes();
-		$this->clear_caches( $form );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $form->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_payment_form', $form );
-		} else {
-			do_action( 'getpaid_update_payment_form', $form );
-		}
-
-	}
-
-	/*
+    /**
+     * Method to create a new form in the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     */
+    public function create( &$form ) {
+        $form->set_version( WPINV_VERSION );
+        $form->set_date_created( current_time('mysql') );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_payment_form_data',
+                array(
+                    'post_date'     => $form->get_date_created( 'edit' ),
+                    'post_type'     => 'wpi_payment_form',
+                    'post_status'   => $this->get_post_status( $form ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $form->get_author( 'edit' ),
+                    'post_title'    => $form->get_name( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $form->set_id( $id );
+            $this->update_post_meta( $form );
+            $form->save_meta_data();
+            $form->apply_changes();
+            $this->clear_caches( $form );
+            do_action( 'getpaid_create_payment_form', $form );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $form->last_error = $id->get_error_message();
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a form from the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     *
+     */
+    public function read( &$form ) {
+
+        $form->set_defaults();
+        $form_object = get_post( $form->get_id() );
+
+        if ( ! $form->get_id() || ! $form_object || $form_object->post_type != 'wpi_payment_form' ) {
+            $form->last_error = __( 'Invalid form.', 'invoicing' );
+            $form->set_id( 0 );
+            return false;
+        }
+
+        $form->set_props(
+            array(
+                'date_created'  => 0 < $form_object->post_date ? $form_object->post_date : null,
+                'date_modified' => 0 < $form_object->post_modified ? $form_object->post_modified : null,
+                'status'        => $form_object->post_status,
+                'name'          => $form_object->post_title,
+                'author'        => $form_object->post_author,
+            )
+        );
+
+        $this->read_object_data( $form, $form_object );
+        $form->read_meta_data();
+        $form->set_object_read( true );
+        do_action( 'getpaid_read_payment_form', $form );
+
+    }
+
+    /**
+     * Method to update a form in the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     */
+    public function update( &$form ) {
+        $form->save_meta_data();
+        $form->set_version( WPINV_VERSION );
+
+        if ( null === $form->get_date_created( 'edit' ) ) {
+            $form->set_date_created(  current_time('mysql') );
+        }
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $form->get_id() );
+
+        $changes = $form->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $form->get_date_created( 'edit' ),
+                'post_status'       => $form->get_status( 'edit' ),
+                'post_title'        => $form->get_name( 'edit' ),
+                'post_author'       => $form->get_author( 'edit' ),
+                'post_modified'     => $form->get_date_modified( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $form->get_id() ) );
+                clean_post_cache( $form->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $form->get_id() ), $post_data ) );
+            }
+            $form->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $form );
+        $form->apply_changes();
+        $this->clear_caches( $form );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $form->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_payment_form', $form );
+        } else {
+            do_action( 'getpaid_update_payment_form', $form );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

includes/data-stores/class-getpaid-discount-data-store.php

Indentation +186 added lines, -186 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -15,196 +15,196 @@ 
  */
 class GetPaid_Discount_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for a discount.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'_wpi_discount_code',
-		'_wpi_discount_amount',
-		'_wpi_discount_start',
-		'_wpi_discount_expiration',
-		'_wpi_discount_type',
-		'_wpi_discount_uses',
-		'_wpi_discount_is_single_use',
-		'_wpi_discount_items',
-		'_wpi_discount_excluded_items',
-		'_wpi_discount_max_uses',
-		'_wpi_discount_is_recurring',
-		'_wpi_discount_min_total',
-		'_wpi_discount_max_total',
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'_wpi_discount_code'           => 'code',
-		'_wpi_discount_amount'         => 'amount',
-		'_wpi_discount_start'          => 'start',
-		'_wpi_discount_expiration'     => 'expiration',
-		'_wpi_discount_type'           => 'type',
-		'_wpi_discount_uses'           => 'uses',
-		'_wpi_discount_is_single_use'  => 'is_single_use',
-		'_wpi_discount_items'          => 'items',
-		'_wpi_discount_excluded_items' => 'excluded_items',
-		'_wpi_discount_max_uses'       => 'max_uses',
-		'_wpi_discount_is_recurring'   => 'is_recurring',
-		'_wpi_discount_min_total'      => 'min_total',
-		'_wpi_discount_max_total'      => 'max_total',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for a discount.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        '_wpi_discount_code',
+        '_wpi_discount_amount',
+        '_wpi_discount_start',
+        '_wpi_discount_expiration',
+        '_wpi_discount_type',
+        '_wpi_discount_uses',
+        '_wpi_discount_is_single_use',
+        '_wpi_discount_items',
+        '_wpi_discount_excluded_items',
+        '_wpi_discount_max_uses',
+        '_wpi_discount_is_recurring',
+        '_wpi_discount_min_total',
+        '_wpi_discount_max_total',
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        '_wpi_discount_code'           => 'code',
+        '_wpi_discount_amount'         => 'amount',
+        '_wpi_discount_start'          => 'start',
+        '_wpi_discount_expiration'     => 'expiration',
+        '_wpi_discount_type'           => 'type',
+        '_wpi_discount_uses'           => 'uses',
+        '_wpi_discount_is_single_use'  => 'is_single_use',
+        '_wpi_discount_items'          => 'items',
+        '_wpi_discount_excluded_items' => 'excluded_items',
+        '_wpi_discount_max_uses'       => 'max_uses',
+        '_wpi_discount_is_recurring'   => 'is_recurring',
+        '_wpi_discount_min_total'      => 'min_total',
+        '_wpi_discount_max_total'      => 'max_total',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new discount in the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 */
-	public function create( &$discount ) {
-		$discount->set_version( WPINV_VERSION );
-		$discount->set_date_created( current_time('mysql') );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_discount_data',
-				array(
-					'post_date'     => $discount->get_date_created( 'edit' ),
-					'post_type'     => 'wpi_discount',
-					'post_status'   => $this->get_post_status( $discount ),
-					'ping_status'   => 'closed',
-					'post_author'   => $discount->get_author( 'edit' ),
-					'post_title'    => $discount->get_name( 'edit' ),
-					'post_excerpt'  => $discount->get_description( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$discount->set_id( $id );
-			$this->update_post_meta( $discount );
-			$discount->save_meta_data();
-			$discount->apply_changes();
-			$this->clear_caches( $discount );
-			do_action( 'getpaid_new_discount', $discount );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$discount->last_error = $id->get_error_message();
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a discount from the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 *
-	 */
-	public function read( &$discount ) {
-
-		$discount->set_defaults();
-		$discount_object = get_post( $discount->get_id() );
-
-		if ( ! $discount->get_id() || ! $discount_object || $discount_object->post_type != 'wpi_discount' ) {
-			$discount->last_error = __( 'Invalid discount.', 'invoicing' );
-			$discount->set_id( 0 );
-			return false;
-		}
-
-		$discount->set_props(
-			array(
-				'date_created'  => 0 < $discount_object->post_date ? $discount_object->post_date : null,
-				'date_modified' => 0 < $discount_object->post_modified ? $discount_object->post_modified : null,
-				'status'        => $discount_object->post_status,
-				'name'          => $discount_object->post_title,
-				'author'        => $discount_object->post_author,
-				'description'   => $discount_object->post_excerpt,
-			)
-		);
-
-		$this->read_object_data( $discount, $discount_object );
-		$discount->read_meta_data();
-		$discount->set_object_read( true );
-		do_action( 'getpaid_read_discount', $discount );
-
-	}
-
-	/**
-	 * Method to update a discount in the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 */
-	public function update( &$discount ) {
-		$discount->save_meta_data();
-		$discount->set_version( WPINV_VERSION );
-
-		if ( null === $discount->get_date_created( 'edit' ) ) {
-			$discount->set_date_created(  current_time('mysql') );
-		}
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $discount->get_id() );
-
-		$changes = $discount->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'post_excerpt' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $discount->get_date_created( 'edit' ),
-				'post_status'       => $discount->get_status( 'edit' ),
-				'post_title'        => $discount->get_name( 'edit' ),
-				'post_author'       => $discount->get_author( 'edit' ),
-				'post_modified'     => $discount->get_date_modified( 'edit' ),
-				'post_excerpt'      => $discount->get_description( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $discount->get_id() ) );
-				clean_post_cache( $discount->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $discount->get_id() ), $post_data ) );
-			}
-			$discount->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $discount );
-		$discount->apply_changes();
-		$this->clear_caches( $discount );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $discount->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_discount', $discount );
-		} else {
-			do_action( 'getpaid_update_discount', $discount );
-		}
-
-	}
-
-	/*
+    /**
+     * Method to create a new discount in the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     */
+    public function create( &$discount ) {
+        $discount->set_version( WPINV_VERSION );
+        $discount->set_date_created( current_time('mysql') );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_discount_data',
+                array(
+                    'post_date'     => $discount->get_date_created( 'edit' ),
+                    'post_type'     => 'wpi_discount',
+                    'post_status'   => $this->get_post_status( $discount ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $discount->get_author( 'edit' ),
+                    'post_title'    => $discount->get_name( 'edit' ),
+                    'post_excerpt'  => $discount->get_description( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $discount->set_id( $id );
+            $this->update_post_meta( $discount );
+            $discount->save_meta_data();
+            $discount->apply_changes();
+            $this->clear_caches( $discount );
+            do_action( 'getpaid_new_discount', $discount );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $discount->last_error = $id->get_error_message();
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a discount from the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     *
+     */
+    public function read( &$discount ) {
+
+        $discount->set_defaults();
+        $discount_object = get_post( $discount->get_id() );
+
+        if ( ! $discount->get_id() || ! $discount_object || $discount_object->post_type != 'wpi_discount' ) {
+            $discount->last_error = __( 'Invalid discount.', 'invoicing' );
+            $discount->set_id( 0 );
+            return false;
+        }
+
+        $discount->set_props(
+            array(
+                'date_created'  => 0 < $discount_object->post_date ? $discount_object->post_date : null,
+                'date_modified' => 0 < $discount_object->post_modified ? $discount_object->post_modified : null,
+                'status'        => $discount_object->post_status,
+                'name'          => $discount_object->post_title,
+                'author'        => $discount_object->post_author,
+                'description'   => $discount_object->post_excerpt,
+            )
+        );
+
+        $this->read_object_data( $discount, $discount_object );
+        $discount->read_meta_data();
+        $discount->set_object_read( true );
+        do_action( 'getpaid_read_discount', $discount );
+
+    }
+
+    /**
+     * Method to update a discount in the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     */
+    public function update( &$discount ) {
+        $discount->save_meta_data();
+        $discount->set_version( WPINV_VERSION );
+
+        if ( null === $discount->get_date_created( 'edit' ) ) {
+            $discount->set_date_created(  current_time('mysql') );
+        }
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $discount->get_id() );
+
+        $changes = $discount->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'post_excerpt' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $discount->get_date_created( 'edit' ),
+                'post_status'       => $discount->get_status( 'edit' ),
+                'post_title'        => $discount->get_name( 'edit' ),
+                'post_author'       => $discount->get_author( 'edit' ),
+                'post_modified'     => $discount->get_date_modified( 'edit' ),
+                'post_excerpt'      => $discount->get_description( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $discount->get_id() ) );
+                clean_post_cache( $discount->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $discount->get_id() ), $post_data ) );
+            }
+            $discount->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $discount );
+        $discount->apply_changes();
+        $this->clear_caches( $discount );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $discount->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_discount', $discount );
+        } else {
+            do_action( 'getpaid_update_discount', $discount );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

includes/data-stores/class-getpaid-data-store-wp.php

Indentation +338 added lines, -338 removed lines

@@ -14,346 +14,346 @@
  */
 class GetPaid_Data_Store_WP {
 
-	/**
-	 * Meta type. This should match up with
-	 * the types available at https://developer.wordpress.org/reference/functions/add_metadata/.
-	 * WP defines 'post', 'user', 'comment', and 'term'.
-	 *
-	 * @var string
-	 */
-	protected $meta_type = 'post';
-
-	/**
-	 * This only needs set if you are using a custom metadata type.
-	 *
-	 * @var string
-	 */
-	protected $object_id_field_for_meta = '';
-
-	/**
-	 * Data stored in meta keys, but not considered "meta" for an object.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $internal_meta_keys = array();
-
-	/**
-	 * Meta data which should exist in the DB, even if empty.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $must_exist_meta_keys = array();
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array();
-
-	/**
-	 * Returns an array of meta for an object.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data $object GetPaid_Data object.
-	 * @return array
-	 */
-	public function read_meta( &$object ) {
-		global $wpdb;
-		$db_info       = $this->get_db_info();
-		$raw_meta_data = $wpdb->get_results(
-			$wpdb->prepare(
-				"SELECT {$db_info['meta_id_field']} as meta_id, meta_key, meta_value
+    /**
+     * Meta type. This should match up with
+     * the types available at https://developer.wordpress.org/reference/functions/add_metadata/.
+     * WP defines 'post', 'user', 'comment', and 'term'.
+     *
+     * @var string
+     */
+    protected $meta_type = 'post';
+
+    /**
+     * This only needs set if you are using a custom metadata type.
+     *
+     * @var string
+     */
+    protected $object_id_field_for_meta = '';
+
+    /**
+     * Data stored in meta keys, but not considered "meta" for an object.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $internal_meta_keys = array();
+
+    /**
+     * Meta data which should exist in the DB, even if empty.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $must_exist_meta_keys = array();
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array();
+
+    /**
+     * Returns an array of meta for an object.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data $object GetPaid_Data object.
+     * @return array
+     */
+    public function read_meta( &$object ) {
+        global $wpdb;
+        $db_info       = $this->get_db_info();
+        $raw_meta_data = $wpdb->get_results(
+            $wpdb->prepare(
+                "SELECT {$db_info['meta_id_field']} as meta_id, meta_key, meta_value
 				FROM {$db_info['table']}
 				WHERE {$db_info['object_id_field']} = %d
 				ORDER BY {$db_info['meta_id_field']}",
-				$object->get_id()
-			)
-		);
-
-		$this->internal_meta_keys = array_merge( array_map( array( $this, 'prefix_key' ), $object->get_data_keys() ), $this->internal_meta_keys );
-		$meta_data                = array_filter( $raw_meta_data, array( $this, 'exclude_internal_meta_keys' ) );
-		return apply_filters( "getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this );
-	}
-
-	/**
-	 * Deletes meta based on meta ID.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing at least ->id).
-	 */
-	public function delete_meta( &$object, $meta ) {
-		delete_metadata_by_mid( $this->meta_type, $meta->id );
-	}
-
-	/**
-	 * Add new piece of meta.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing ->key and ->value).
-	 * @return int meta ID
-	 */
-	public function add_meta( &$object, $meta ) {
-		return add_metadata( $this->meta_type, $object->get_id(), $meta->key, is_string( $meta->value ) ? wp_slash( $meta->value ) : $meta->value, false );
-	}
-
-	/**
-	 * Update meta.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing ->id, ->key and ->value).
-	 */
-	public function update_meta( &$object, $meta ) {
-		update_metadata_by_mid( $this->meta_type, $meta->id, $meta->value, $meta->key );
-	}
-
-	/**
-	 * Table structure is slightly different between meta types, this function will return what we need to know.
-	 *
-	 * @since  1.0.19
-	 * @return array Array elements: table, object_id_field, meta_id_field
-	 */
-	protected function get_db_info() {
-		global $wpdb;
-
-		$meta_id_field = 'meta_id'; // users table calls this umeta_id so we need to track this as well.
-		$table         = $wpdb->prefix;
-
-		// If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
-		if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
-			$table .= 'getpaid_';
-		}
-
-		$table          .= $this->meta_type . 'meta';
-		$object_id_field = $this->meta_type . '_id';
-
-		// Figure out our field names.
-		if ( 'user' === $this->meta_type ) {
-			$meta_id_field = 'umeta_id';
-			$table         = $wpdb->usermeta;
-		}
-
-		if ( ! empty( $this->object_id_field_for_meta ) ) {
-			$object_id_field = $this->object_id_field_for_meta;
-		}
-
-		return array(
-			'table'           => $table,
-			'object_id_field' => $object_id_field,
-			'meta_id_field'   => $meta_id_field,
-		);
-	}
-
-	/**
-	 * Internal meta keys we don't want exposed as part of meta_data. This is in
-	 * addition to all data props with _ prefix.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $key Prefix to be added to meta keys.
-	 * @return string
-	 */
-	protected function prefix_key( $key ) {
-		return '_' === substr( $key, 0, 1 ) ? $key : '_' . $key;
-	}
-
-	/**
-	 * Callback to remove unwanted meta data.
-	 *
-	 * @param object $meta Meta object to check if it should be excluded or not.
-	 * @return bool
-	 */
-	protected function exclude_internal_meta_keys( $meta ) {
-		return ! in_array( $meta->meta_key, $this->internal_meta_keys, true ) && 0 !== stripos( $meta->meta_key, 'wp_' );
-	}
-
-	/**
-	 * Gets a list of props and meta keys that need updated based on change state
-	 * or if they are present in the database or not.
-	 *
-	 * @param  GetPaid_Data $object         The GetPaid_Data object.
-	 * @param  array   $meta_key_to_props   A mapping of meta keys => prop names.
-	 * @param  string  $meta_type           The internal WP meta type (post, user, etc).
-	 * @return array                        A mapping of meta keys => prop names, filtered by ones that should be updated.
-	 */
-	protected function get_props_to_update( $object, $meta_key_to_props, $meta_type = 'post' ) {
-		$props_to_update = array();
-		$changed_props   = $object->get_changes();
-
-		// Props should be updated if they are a part of the $changed array or don't exist yet.
-		foreach ( $meta_key_to_props as $meta_key => $prop ) {
-			if ( array_key_exists( $prop, $changed_props ) || ! metadata_exists( $meta_type, $object->get_id(), $meta_key ) ) {
-				$props_to_update[ $meta_key ] = $prop;
-			}
-		}
-
-		return $props_to_update;
-	}
-
-	/**
-	 * Read object data.
-	 *
-	 * @param GetPaid_Data $object GetPaid_Data object.
-	 * @param WP_Post   $post_object Post object.
-	 * @since 1.0.19
-	 */
-	protected function read_object_data( &$object, $post_object ) {
-		$id    = $object->get_id();
-		$props = array();
-
-		foreach ( $this->meta_key_to_props as $meta_key => $prop ) {
-			$props[ $prop ] = get_post_meta( $id, $meta_key, true );
-		}
-
-		// Set object properties.
-		$object->set_props( $props );
-
-		// Gets extra data associated with the object if needed.
-		foreach ( $object->get_extra_data_keys() as $key ) {
-			$function = 'set_' . $key;
-			if ( is_callable( array( $object, $function ) ) ) {
-				$object->{$function}( get_post_meta( $object->get_id(), $key, true ) );
-			}
-		}
-	}
-
-	/**
-	 * Helper method that updates all the post meta for an object based on it's settings in the GetPaid_Data class.
-	 *
-	 * @param GetPaid_Data $object GetPaid_Data object.
-	 * @since 1.0.19
-	 */
-	protected function update_post_meta( &$object ) {
-
-		$updated_props   = array();
-		$props_to_update = $this->get_props_to_update( $object, $this->meta_key_to_props );
-		$object_type     = $object->get_object_type();
-
-		foreach ( $props_to_update as $meta_key => $prop ) {
-			$value = $object->{"get_$prop"}( 'edit' );
-			$value = is_string( $value ) ? wp_slash( $value ) : $value;
-
-			$updated = $this->update_or_delete_post_meta( $object, $meta_key, $value );
-
-			if ( $updated ) {
-				$updated_props[] = $prop;
-			}
-		}
-
-		do_action( "getpaid_{$object_type}_object_updated_props", $object, $updated_props );
-	}
-
-	/**
-	 * Update meta data in, or delete it from, the database.
-	 *
-	 * Avoids storing meta when it's either an empty string or empty array or null.
-	 * Other empty values such as numeric 0 should still be stored.
-	 * Data-stores can force meta to exist using `must_exist_meta_keys`.
-	 *
-	 * Note: WordPress `get_metadata` function returns an empty string when meta data does not exist.
-	 *
-	 * @param GetPaid_Data $object The GetPaid_Data object.
-	 * @param string  $meta_key Meta key to update.
-	 * @param mixed   $meta_value Value to save.
-	 *
-	 * @since 1.0.19 Added to prevent empty meta being stored unless required.
-	 *
-	 * @return bool True if updated/deleted.
-	 */
-	protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
-		if ( in_array( $meta_value, array( array(), '', null ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
-			$updated = delete_post_meta( $object->get_id(), $meta_key );
-		} else {
-			$updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
-		}
-
-		return (bool) $updated;
-	}
-
-	/**
-	 * Return list of internal meta keys.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_internal_meta_keys() {
-		return $this->internal_meta_keys;
-	}
-
-	/**
-	 * Clear any caches.
-	 *
-	 * @param GetPaid_Data $object GetPaid_Data object.
-	 * @since 1.0.19
-	 */
-	protected function clear_caches( &$object ) {
-		clean_post_cache( $object->get_id() );
-	}
-
-	/**
-	 * Method to delete a data object from the database.
-	 *
-	 * @param GetPaid_Data $object GetPaid_Data object.
-	 * @param array    $args Array of args to pass to the delete method.
-	 *
-	 * @return void
-	 */
-	public function delete( &$object, $args = array() ) {
-		$id          = $object->get_id();
-		$object_type = $object->get_object_type();
-
-		if ( 'invoice' == $object_type ) {
-			$object_type = $object->get_type();
-		}
-
-		$args        = wp_parse_args(
-			$args,
-			array(
-				'force_delete' => false,
-			)
-		);
-
-		if ( ! $id ) {
-			return;
-		}
-
-		if ( $args['force_delete'] ) {
-			do_action( "getpaid_delete_$object_type", $object );
-			wp_delete_post( $id, true );
-			$object->set_id( 0 );
-		} else {
-			do_action( "getpaid_trash_$object_type", $object );
-			wp_trash_post( $id );
-			$object->set_status( 'trash' );
-		}
-	}
-
-	/**
-	 * Get the status to save to the post object.
-	 *
-	 *
-	 * @since 1.0.19
-	 * @param  GetPaid_Data $object GetPaid_Data object.
-	 * @return string
-	 */
-	protected function get_post_status( $object ) {
-		$object_status = $object->get_status( 'edit' );
-		$object_type   = $object->get_object_type();
-
-		if ( ! $object_status ) {
-			$object_status = apply_filters( "getpaid_default_{$object_type}_status", 'draft' );
-		}
-
-		return $object_status;
-	}
+                $object->get_id()
+            )
+        );
+
+        $this->internal_meta_keys = array_merge( array_map( array( $this, 'prefix_key' ), $object->get_data_keys() ), $this->internal_meta_keys );
+        $meta_data                = array_filter( $raw_meta_data, array( $this, 'exclude_internal_meta_keys' ) );
+        return apply_filters( "getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this );
+    }
+
+    /**
+     * Deletes meta based on meta ID.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing at least ->id).
+     */
+    public function delete_meta( &$object, $meta ) {
+        delete_metadata_by_mid( $this->meta_type, $meta->id );
+    }
+
+    /**
+     * Add new piece of meta.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing ->key and ->value).
+     * @return int meta ID
+     */
+    public function add_meta( &$object, $meta ) {
+        return add_metadata( $this->meta_type, $object->get_id(), $meta->key, is_string( $meta->value ) ? wp_slash( $meta->value ) : $meta->value, false );
+    }
+
+    /**
+     * Update meta.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing ->id, ->key and ->value).
+     */
+    public function update_meta( &$object, $meta ) {
+        update_metadata_by_mid( $this->meta_type, $meta->id, $meta->value, $meta->key );
+    }
+
+    /**
+     * Table structure is slightly different between meta types, this function will return what we need to know.
+     *
+     * @since  1.0.19
+     * @return array Array elements: table, object_id_field, meta_id_field
+     */
+    protected function get_db_info() {
+        global $wpdb;
+
+        $meta_id_field = 'meta_id'; // users table calls this umeta_id so we need to track this as well.
+        $table         = $wpdb->prefix;
+
+        // If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
+        if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
+            $table .= 'getpaid_';
+        }
+
+        $table          .= $this->meta_type . 'meta';
+        $object_id_field = $this->meta_type . '_id';
+
+        // Figure out our field names.
+        if ( 'user' === $this->meta_type ) {
+            $meta_id_field = 'umeta_id';
+            $table         = $wpdb->usermeta;
+        }
+
+        if ( ! empty( $this->object_id_field_for_meta ) ) {
+            $object_id_field = $this->object_id_field_for_meta;
+        }
+
+        return array(
+            'table'           => $table,
+            'object_id_field' => $object_id_field,
+            'meta_id_field'   => $meta_id_field,
+        );
+    }
+
+    /**
+     * Internal meta keys we don't want exposed as part of meta_data. This is in
+     * addition to all data props with _ prefix.
+     *
+     * @since 1.0.19
+     *
+     * @param string $key Prefix to be added to meta keys.
+     * @return string
+     */
+    protected function prefix_key( $key ) {
+        return '_' === substr( $key, 0, 1 ) ? $key : '_' . $key;
+    }
+
+    /**
+     * Callback to remove unwanted meta data.
+     *
+     * @param object $meta Meta object to check if it should be excluded or not.
+     * @return bool
+     */
+    protected function exclude_internal_meta_keys( $meta ) {
+        return ! in_array( $meta->meta_key, $this->internal_meta_keys, true ) && 0 !== stripos( $meta->meta_key, 'wp_' );
+    }
+
+    /**
+     * Gets a list of props and meta keys that need updated based on change state
+     * or if they are present in the database or not.
+     *
+     * @param  GetPaid_Data $object         The GetPaid_Data object.
+     * @param  array   $meta_key_to_props   A mapping of meta keys => prop names.
+     * @param  string  $meta_type           The internal WP meta type (post, user, etc).
+     * @return array                        A mapping of meta keys => prop names, filtered by ones that should be updated.
+     */
+    protected function get_props_to_update( $object, $meta_key_to_props, $meta_type = 'post' ) {
+        $props_to_update = array();
+        $changed_props   = $object->get_changes();
+
+        // Props should be updated if they are a part of the $changed array or don't exist yet.
+        foreach ( $meta_key_to_props as $meta_key => $prop ) {
+            if ( array_key_exists( $prop, $changed_props ) || ! metadata_exists( $meta_type, $object->get_id(), $meta_key ) ) {
+                $props_to_update[ $meta_key ] = $prop;
+            }
+        }
+
+        return $props_to_update;
+    }
+
+    /**
+     * Read object data.
+     *
+     * @param GetPaid_Data $object GetPaid_Data object.
+     * @param WP_Post   $post_object Post object.
+     * @since 1.0.19
+     */
+    protected function read_object_data( &$object, $post_object ) {
+        $id    = $object->get_id();
+        $props = array();
+
+        foreach ( $this->meta_key_to_props as $meta_key => $prop ) {
+            $props[ $prop ] = get_post_meta( $id, $meta_key, true );
+        }
+
+        // Set object properties.
+        $object->set_props( $props );
+
+        // Gets extra data associated with the object if needed.
+        foreach ( $object->get_extra_data_keys() as $key ) {
+            $function = 'set_' . $key;
+            if ( is_callable( array( $object, $function ) ) ) {
+                $object->{$function}( get_post_meta( $object->get_id(), $key, true ) );
+            }
+        }
+    }
+
+    /**
+     * Helper method that updates all the post meta for an object based on it's settings in the GetPaid_Data class.
+     *
+     * @param GetPaid_Data $object GetPaid_Data object.
+     * @since 1.0.19
+     */
+    protected function update_post_meta( &$object ) {
+
+        $updated_props   = array();
+        $props_to_update = $this->get_props_to_update( $object, $this->meta_key_to_props );
+        $object_type     = $object->get_object_type();
+
+        foreach ( $props_to_update as $meta_key => $prop ) {
+            $value = $object->{"get_$prop"}( 'edit' );
+            $value = is_string( $value ) ? wp_slash( $value ) : $value;
+
+            $updated = $this->update_or_delete_post_meta( $object, $meta_key, $value );
+
+            if ( $updated ) {
+                $updated_props[] = $prop;
+            }
+        }
+
+        do_action( "getpaid_{$object_type}_object_updated_props", $object, $updated_props );
+    }
+
+    /**
+     * Update meta data in, or delete it from, the database.
+     *
+     * Avoids storing meta when it's either an empty string or empty array or null.
+     * Other empty values such as numeric 0 should still be stored.
+     * Data-stores can force meta to exist using `must_exist_meta_keys`.
+     *
+     * Note: WordPress `get_metadata` function returns an empty string when meta data does not exist.
+     *
+     * @param GetPaid_Data $object The GetPaid_Data object.
+     * @param string  $meta_key Meta key to update.
+     * @param mixed   $meta_value Value to save.
+     *
+     * @since 1.0.19 Added to prevent empty meta being stored unless required.
+     *
+     * @return bool True if updated/deleted.
+     */
+    protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
+        if ( in_array( $meta_value, array( array(), '', null ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
+            $updated = delete_post_meta( $object->get_id(), $meta_key );
+        } else {
+            $updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
+        }
+
+        return (bool) $updated;
+    }
+
+    /**
+     * Return list of internal meta keys.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_internal_meta_keys() {
+        return $this->internal_meta_keys;
+    }
+
+    /**
+     * Clear any caches.
+     *
+     * @param GetPaid_Data $object GetPaid_Data object.
+     * @since 1.0.19
+     */
+    protected function clear_caches( &$object ) {
+        clean_post_cache( $object->get_id() );
+    }
+
+    /**
+     * Method to delete a data object from the database.
+     *
+     * @param GetPaid_Data $object GetPaid_Data object.
+     * @param array    $args Array of args to pass to the delete method.
+     *
+     * @return void
+     */
+    public function delete( &$object, $args = array() ) {
+        $id          = $object->get_id();
+        $object_type = $object->get_object_type();
+
+        if ( 'invoice' == $object_type ) {
+            $object_type = $object->get_type();
+        }
+
+        $args        = wp_parse_args(
+            $args,
+            array(
+                'force_delete' => false,
+            )
+        );
+
+        if ( ! $id ) {
+            return;
+        }
+
+        if ( $args['force_delete'] ) {
+            do_action( "getpaid_delete_$object_type", $object );
+            wp_delete_post( $id, true );
+            $object->set_id( 0 );
+        } else {
+            do_action( "getpaid_trash_$object_type", $object );
+            wp_trash_post( $id );
+            $object->set_status( 'trash' );
+        }
+    }
+
+    /**
+     * Get the status to save to the post object.
+     *
+     *
+     * @since 1.0.19
+     * @param  GetPaid_Data $object GetPaid_Data object.
+     * @return string
+     */
+    protected function get_post_status( $object ) {
+        $object_status = $object->get_status( 'edit' );
+        $object_type   = $object->get_object_type();
+
+        if ( ! $object_status ) {
+            $object_status = apply_filters( "getpaid_default_{$object_type}_status", 'draft' );
+        }
+
+        return $object_status;
+    }
 
 }

includes/class-wpinv-notes.php

Indentation +114 added lines, -114 removed lines

@@ -12,119 +12,119 @@
  */
 class WPInv_Notes {
 
-	/**
-	 * Class constructor.
-	 */
-	public function __construct() {
-
-		// Filter inovice notes.
-		add_action( 'pre_get_comments', array( $this, 'set_invoice_note_type' ), 11, 1 );
-		add_action( 'comment_feed_where', array( $this, 'wpinv_comment_feed_where' ), 10, 1 );
-
-		// Fires after notes are loaded.
-		do_action( 'wpinv_notes_init', $this );
-	}
-
-	/**
-	 * Filters invoice notes query to only include our notes.
-	 *
-	 * @param WP_Comment_Query $query
-	 */
-	public function set_invoice_note_type( $query ) {
-		$post_id = ! empty( $query->query_vars['post_ID'] ) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
-
-		if ( $post_id && getpaid_is_invoice_post_type( get_post_type( $post_id ) ) ) {
-			$query->query_vars['type'] = 'wpinv_note';
-		} else {
-
-			if ( empty( $query->query_vars['type__not_in'] ) ) {
-				$query->query_vars['type__not_in'] = array();
-			}
-
-			$query->query_vars['type__not_in'] = wpinv_parse_list( $query->query_vars['type__not_in'] );
-			$query->query_vars['type__not_in'] = array_merge( array( 'wpinv_note' ), $query->query_vars['type__not_in'] );
-		}
-
-		return $query;
-	}
-
-	/**
-	 * Exclude notes from the comments feed.
-	 */
-	function wpinv_comment_feed_where( $where ){
-		return $where . ( $where ? ' AND ' : '' ) . " comment_type != 'wpinv_note' ";
-	}
-
-	/**
-	 * Returns an array of invoice notes.
-	 *
-	 * @param int $invoice_id The invoice ID whose notes to retrieve.
-	 * @param string $type Optional. Pass in customer to only return customer notes.
-	 * @return WP_Comment[]
-	 */
-	public function get_invoice_notes( $invoice_id = 0, $type = 'all' ) {
-
-		// Default comment args.
-		$args = array(
-			'post_id'   => $invoice_id,
-			'orderby'   => 'comment_ID',
-			'order'     => 'ASC',
-		);
-
-		// Maybe only show customer comments.
-		if ( $type == 'customer' ) {
-			$args['meta_key']   = '_wpi_customer_note';
-			$args['meta_value'] = 1;
-		}
-
-		$args = apply_filters( 'wpinv_invoice_notes_args', $args, $this, $invoice_id, $type );
-
-		return get_comments( $args );
-	}
-
-	/**
-	 * Saves an invoice comment.
-	 * 
-	 * @param WPInv_Invoice $invoice The invoice to add the comment to.
-	 * @param string $note The note content.
-	 * @param string $note_author The name of the author of the note.
-	 * @param bool $for_customer Whether or not this comment is meant to be sent to the customer.
-	 * @return int|false The new note's ID on success, false on failure.
-	 */
-	function add_invoice_note( $invoice, $note, $note_author, $author_email, $for_customer = false ){
-
-		do_action( 'wpinv_pre_insert_invoice_note', $invoice->get_id(), $note, $for_customer );
-
-		/**
-		 * Insert the comment.
-		 */
-		$note_id = wp_insert_comment(
-			wp_filter_comment(
-				array(
-					'comment_post_ID'      => $invoice->get_id(),
-					'comment_content'      => $note,
-					'comment_agent'        => 'Invoicing',
-					'user_id'              => get_current_user_id(),
-					'comment_author'       => $note_author,
-					'comment_author_IP'    => wpinv_get_ip(),
-					'comment_author_email' => $author_email,
-					'comment_author_url'   => $invoice->get_view_url(),
-					'comment_type'         => 'wpinv_note',
-				)
-			)
-		);
-
-		do_action( 'wpinv_insert_payment_note', $note_id, $invoice->get_id(), $note, $for_customer );
-
-		// Are we notifying the customer?
-		if ( empty( $note_id ) || empty( $for_customer ) ) {
-			return $note_id;
-		}
-
-		add_comment_meta( $note_id, '_wpi_customer_note', 1 );
-		do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $invoice->get_id(), 'user_note' => $note ) );
-		do_action( 'getpaid_new_customer_note', $invoice, $note );
-		return $note_id;
-	}
+    /**
+     * Class constructor.
+     */
+    public function __construct() {
+
+        // Filter inovice notes.
+        add_action( 'pre_get_comments', array( $this, 'set_invoice_note_type' ), 11, 1 );
+        add_action( 'comment_feed_where', array( $this, 'wpinv_comment_feed_where' ), 10, 1 );
+
+        // Fires after notes are loaded.
+        do_action( 'wpinv_notes_init', $this );
+    }
+
+    /**
+     * Filters invoice notes query to only include our notes.
+     *
+     * @param WP_Comment_Query $query
+     */
+    public function set_invoice_note_type( $query ) {
+        $post_id = ! empty( $query->query_vars['post_ID'] ) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
+
+        if ( $post_id && getpaid_is_invoice_post_type( get_post_type( $post_id ) ) ) {
+            $query->query_vars['type'] = 'wpinv_note';
+        } else {
+
+            if ( empty( $query->query_vars['type__not_in'] ) ) {
+                $query->query_vars['type__not_in'] = array();
+            }
+
+            $query->query_vars['type__not_in'] = wpinv_parse_list( $query->query_vars['type__not_in'] );
+            $query->query_vars['type__not_in'] = array_merge( array( 'wpinv_note' ), $query->query_vars['type__not_in'] );
+        }
+
+        return $query;
+    }
+
+    /**
+     * Exclude notes from the comments feed.
+     */
+    function wpinv_comment_feed_where( $where ){
+        return $where . ( $where ? ' AND ' : '' ) . " comment_type != 'wpinv_note' ";
+    }
+
+    /**
+     * Returns an array of invoice notes.
+     *
+     * @param int $invoice_id The invoice ID whose notes to retrieve.
+     * @param string $type Optional. Pass in customer to only return customer notes.
+     * @return WP_Comment[]
+     */
+    public function get_invoice_notes( $invoice_id = 0, $type = 'all' ) {
+
+        // Default comment args.
+        $args = array(
+            'post_id'   => $invoice_id,
+            'orderby'   => 'comment_ID',
+            'order'     => 'ASC',
+        );
+
+        // Maybe only show customer comments.
+        if ( $type == 'customer' ) {
+            $args['meta_key']   = '_wpi_customer_note';
+            $args['meta_value'] = 1;
+        }
+
+        $args = apply_filters( 'wpinv_invoice_notes_args', $args, $this, $invoice_id, $type );
+
+        return get_comments( $args );
+    }
+
+    /**
+     * Saves an invoice comment.
+     * 
+     * @param WPInv_Invoice $invoice The invoice to add the comment to.
+     * @param string $note The note content.
+     * @param string $note_author The name of the author of the note.
+     * @param bool $for_customer Whether or not this comment is meant to be sent to the customer.
+     * @return int|false The new note's ID on success, false on failure.
+     */
+    function add_invoice_note( $invoice, $note, $note_author, $author_email, $for_customer = false ){
+
+        do_action( 'wpinv_pre_insert_invoice_note', $invoice->get_id(), $note, $for_customer );
+
+        /**
+         * Insert the comment.
+         */
+        $note_id = wp_insert_comment(
+            wp_filter_comment(
+                array(
+                    'comment_post_ID'      => $invoice->get_id(),
+                    'comment_content'      => $note,
+                    'comment_agent'        => 'Invoicing',
+                    'user_id'              => get_current_user_id(),
+                    'comment_author'       => $note_author,
+                    'comment_author_IP'    => wpinv_get_ip(),
+                    'comment_author_email' => $author_email,
+                    'comment_author_url'   => $invoice->get_view_url(),
+                    'comment_type'         => 'wpinv_note',
+                )
+            )
+        );
+
+        do_action( 'wpinv_insert_payment_note', $note_id, $invoice->get_id(), $note, $for_customer );
+
+        // Are we notifying the customer?
+        if ( empty( $note_id ) || empty( $for_customer ) ) {
+            return $note_id;
+        }
+
+        add_comment_meta( $note_id, '_wpi_customer_note', 1 );
+        do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $invoice->get_id(), 'user_note' => $note ) );
+        do_action( 'getpaid_new_customer_note', $invoice, $note );
+        return $note_id;
+    }
 
 }

includes/admin/register-settings.php

Indentation +338 added lines, -338 removed lines

@@ -196,11 +196,11 @@ 
     $cb      = "wpinv_{$option['type']}_callback";
     $section = "wpinv_settings_{$tab}_$section";
 
-	if ( isset( $option['desc'] ) && ! empty( $option['help-tip'] ) ) {
-		$tip   = esc_attr( $option['desc'] );
-		$name .= "<span class='dashicons dashicons-editor-help wpi-help-tip' title='$tip'></span>";
-		unset( $option['desc'] );
-	}
+    if ( isset( $option['desc'] ) && ! empty( $option['help-tip'] ) ) {
+        $tip   = esc_attr( $option['desc'] );
+        $name .= "<span class='dashicons dashicons-editor-help wpi-help-tip' title='$tip'></span>";
+        unset( $option['desc'] );
+    }
 
     // Loop through all tabs.
     add_settings_field(
@@ -425,333 +425,333 @@ 
 }
 
 function wpinv_get_pages( $with_slug = false, $default_label = NULL ) {
-	$pages_options = array();
+    $pages_options = array();
 
-	if( $default_label !== NULL && $default_label !== false ) {
-		$pages_options = array( '' => $default_label ); // Blank option
-	}
+    if( $default_label !== NULL && $default_label !== false ) {
+        $pages_options = array( '' => $default_label ); // Blank option
+    }
 
-	$pages = get_pages();
-	if ( $pages ) {
-		foreach ( $pages as $page ) {
-			$title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
+    $pages = get_pages();
+    if ( $pages ) {
+        foreach ( $pages as $page ) {
+            $title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
             $pages_options[ $page->ID ] = $title;
-		}
-	}
+        }
+    }
 
-	return $pages_options;
+    return $pages_options;
 }
 
 function wpinv_header_callback( $args ) {
-	if ( !empty( $args['desc'] ) ) {
+    if ( !empty( $args['desc'] ) ) {
         echo $args['desc'];
     }
 }
 
 function wpinv_hidden_callback( $args ) {
-	global $wpinv_options;
-
-	if ( isset( $args['set_value'] ) ) {
-		$value = $args['set_value'];
-	} elseif ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
-
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
-		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-		$name  = '';
-	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
-	}
-
-	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
+    global $wpinv_options;
+
+    if ( isset( $args['set_value'] ) ) {
+        $value = $args['set_value'];
+    } elseif ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
+
+    if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+        $args['readonly'] = true;
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+        $name  = '';
+    } else {
+        $name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+    }
+
+    $html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
     
-	echo $html;
+    echo $html;
 }
 
 function wpinv_checkbox_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
-		$name = '';
-	} else {
-		$name = 'name="wpinv_settings[' . $sanitize_id . ']"';
-	}
+    if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+        $name = '';
+    } else {
+        $name = 'name="wpinv_settings[' . $sanitize_id . ']"';
+    }
 
-	$std     = isset( $args['std'] ) ? $args['std'] : 0;
-	$value   = isset( $wpinv_options[ $args['id'] ] ) ? $wpinv_options[ $args['id'] ] : $std;
-	$checked = checked( empty( $value ), false, false );
+    $std     = isset( $args['std'] ) ? $args['std'] : 0;
+    $value   = isset( $wpinv_options[ $args['id'] ] ) ? $wpinv_options[ $args['id'] ] : $std;
+    $checked = checked( empty( $value ), false, false );
 
-	$html = '<input type="checkbox" id="wpinv_settings[' . $sanitize_id . ']"' . $name . ' value="1" ' . $checked . '/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html = '<input type="checkbox" id="wpinv_settings[' . $sanitize_id . ']"' . $name . ' value="1" ' . $checked . '/>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_multicheck_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
 
-	$sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
+    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
 
-	if ( ! empty( $args['options'] ) ) {
+    if ( ! empty( $args['options'] ) ) {
 
-		$std     = isset( $args['std'] ) ? $args['std'] : array();
-		$value   = isset( $wpinv_options[ $args['id'] ] ) ? $wpinv_options[ $args['id'] ] : $std;
+        $std     = isset( $args['std'] ) ? $args['std'] : array();
+        $value   = isset( $wpinv_options[ $args['id'] ] ) ? $wpinv_options[ $args['id'] ] : $std;
 
-		echo '<div class="wpi-mcheck-rows wpi-mcheck-' . $sanitize_id . $class . '">';
+        echo '<div class="wpi-mcheck-rows wpi-mcheck-' . $sanitize_id . $class . '">';
         foreach( $args['options'] as $key => $option ):
-			$sanitize_key = wpinv_sanitize_key( $key );
-			if ( in_array( $sanitize_key, $value ) ) { 
-				$enabled = $sanitize_key;
-			} else { 
-				$enabled = NULL; 
-			}
-			echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label></div>';
-		endforeach;
-		echo '</div>';
-		echo '<p class="description">' . $args['desc'] . '</p>';
-	}
+            $sanitize_key = wpinv_sanitize_key( $key );
+            if ( in_array( $sanitize_key, $value ) ) { 
+                $enabled = $sanitize_key;
+            } else { 
+                $enabled = NULL; 
+            }
+            echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
+            echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label></div>';
+        endforeach;
+        echo '</div>';
+        echo '<p class="description">' . $args['desc'] . '</p>';
+    }
 }
 
 function wpinv_payment_icons_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( ! empty( $args['options'] ) ) {
-		foreach( $args['options'] as $key => $option ) {
+    if ( ! empty( $args['options'] ) ) {
+        foreach( $args['options'] as $key => $option ) {
             $sanitize_key = wpinv_sanitize_key( $key );
             
-			if( isset( $wpinv_options[$args['id']][$key] ) ) {
-				$enabled = $option;
-			} else {
-				$enabled = NULL;
-			}
-
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
-
-				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
-
-				if ( wpinv_string_is_image_url( $key ) ) {
-					echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
-				} else {
-					$card = strtolower( str_replace( ' ', '', $option ) );
-
-					if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
-						$image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
-					} else {
-						$image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
-						$content_dir = WP_CONTENT_DIR;
-
-						if ( function_exists( 'wp_normalize_path' ) ) {
-							// Replaces backslashes with forward slashes for Windows systems
-							$image = wp_normalize_path( $image );
-							$content_dir = wp_normalize_path( $content_dir );
-						}
-
-						$image = str_replace( $content_dir, content_url(), $image );
-					}
-
-					echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
-				}
-			echo $option . '</label>';
-		}
-		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
-	}
+            if( isset( $wpinv_options[$args['id']][$key] ) ) {
+                $enabled = $option;
+            } else {
+                $enabled = NULL;
+            }
+
+            echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
+
+                echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
+
+                if ( wpinv_string_is_image_url( $key ) ) {
+                    echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+                } else {
+                    $card = strtolower( str_replace( ' ', '', $option ) );
+
+                    if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
+                        $image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
+                    } else {
+                        $image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
+                        $content_dir = WP_CONTENT_DIR;
+
+                        if ( function_exists( 'wp_normalize_path' ) ) {
+                            // Replaces backslashes with forward slashes for Windows systems
+                            $image = wp_normalize_path( $image );
+                            $content_dir = wp_normalize_path( $content_dir );
+                        }
+
+                        $image = str_replace( $content_dir, content_url(), $image );
+                    }
+
+                    echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+                }
+            echo $option . '</label>';
+        }
+        echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
+    }
 }
 
 function wpinv_radio_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
     
     foreach ( $args['options'] as $key => $option ) :
-		$sanitize_key = wpinv_sanitize_key( $key );
+        $sanitize_key = wpinv_sanitize_key( $key );
         
         $checked = false;
 
-		if ( isset( $wpinv_options[ $args['id'] ] ) && $wpinv_options[ $args['id'] ] == $key )
-			$checked = true;
-		elseif( isset( $args['std'] ) && $args['std'] == $key && ! isset( $wpinv_options[ $args['id'] ] ) )
-			$checked = true;
+        if ( isset( $wpinv_options[ $args['id'] ] ) && $wpinv_options[ $args['id'] ] == $key )
+            $checked = true;
+        elseif( isset( $args['std'] ) && $args['std'] == $key && ! isset( $wpinv_options[ $args['id'] ] ) )
+            $checked = true;
 
-		echo '<input name="wpinv_settings[' . $sanitize_id . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="radio" value="' . $sanitize_key . '" ' . checked(true, $checked, false) . '/>&nbsp;';
-		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option ) . '</label><br/>';
-	endforeach;
+        echo '<input name="wpinv_settings[' . $sanitize_id . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="radio" value="' . $sanitize_key . '" ' . checked(true, $checked, false) . '/>&nbsp;';
+        echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option ) . '</label><br/>';
+    endforeach;
 
-	echo '<p class="description">' . wp_kses_post( $args['desc'] ) . '</p>';
+    echo '<p class="description">' . wp_kses_post( $args['desc'] ) . '</p>';
 }
 
 function wpinv_gateways_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	foreach ( $args['options'] as $key => $option ) :
-		$sanitize_key = wpinv_sanitize_key( $key );
+    foreach ( $args['options'] as $key => $option ) :
+        $sanitize_key = wpinv_sanitize_key( $key );
         
         if ( isset( $wpinv_options['gateways'][ $key ] ) )
-			$enabled = '1';
-		else
-			$enabled = null;
+            $enabled = '1';
+        else
+            $enabled = null;
 
-		echo '<input name="wpinv_settings[' . esc_attr( $args['id'] ) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
-		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option['admin_label'] ) . '</label><br/>';
-	endforeach;
+        echo '<input name="wpinv_settings[' . esc_attr( $args['id'] ) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
+        echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option['admin_label'] ) . '</label><br/>';
+    endforeach;
 }
 
 function wpinv_gateway_select_callback($args) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
     $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
 
-	echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'" >';
+    echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'" >';
 
-	foreach ( $args['options'] as $key => $option ) :
-		if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
+    foreach ( $args['options'] as $key => $option ) :
+        if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
             $selected = selected( $key, $args['selected'], false );
         } else {
             $selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $key, $wpinv_options[$args['id']], false ) : '';
         }
-		echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
-	endforeach;
+        echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
+    endforeach;
 
-	echo '</select>';
-	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    echo '</select>';
+    echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 }
 
 function wpinv_text_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
-
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
-		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-		$name  = '';
-	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
-	}
-	$class = !empty( $args['class'] ) ? sanitize_html_class( $args['class'] ) : '';
-
-	$readonly = $args['readonly'] === true ? ' readonly="readonly"' : '';
-	$size     = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html     = '<input type="text" class="' . sanitize_html_class( $size ) . '-text ' . $class . '" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"' . $readonly . '/>';
-	$html    .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
-
-	echo $html;
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
+
+    if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+        $args['readonly'] = true;
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+        $name  = '';
+    } else {
+        $name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+    }
+    $class = !empty( $args['class'] ) ? sanitize_html_class( $args['class'] ) : '';
+
+    $readonly = $args['readonly'] === true ? ' readonly="readonly"' : '';
+    $size     = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html     = '<input type="text" class="' . sanitize_html_class( $size ) . '-text ' . $class . '" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"' . $readonly . '/>';
+    $html    .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+
+    echo $html;
 }
 
 function wpinv_number_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
-
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
-		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-		$name  = '';
-	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
-	}
-
-	$max  = isset( $args['max'] ) ? $args['max'] : 999999;
-	$min  = isset( $args['min'] ) ? $args['min'] : 0;
-	$step = isset( $args['step'] ) ? $args['step'] : 1;
-	$class = !empty( $args['class'] ) ? sanitize_html_class( $args['class'] ) : '';
-
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="number" step="' . esc_attr( $step ) . '" max="' . esc_attr( $max ) . '" min="' . esc_attr( $min ) . '" class="' . sanitize_html_class( $size ) . '-text ' . $class . '" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
-
-	echo $html;
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
+
+    if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+        $args['readonly'] = true;
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+        $name  = '';
+    } else {
+        $name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+    }
+
+    $max  = isset( $args['max'] ) ? $args['max'] : 999999;
+    $min  = isset( $args['min'] ) ? $args['min'] : 0;
+    $step = isset( $args['step'] ) ? $args['step'] : 1;
+    $class = !empty( $args['class'] ) ? sanitize_html_class( $args['class'] ) : '';
+
+    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html = '<input type="number" step="' . esc_attr( $step ) . '" max="' . esc_attr( $max ) . '" min="' . esc_attr( $min ) . '" class="' . sanitize_html_class( $size ) . '-text ' . $class . '" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"/>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+
+    echo $html;
 }
 
 function wpinv_textarea_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
     
     $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
     $class = ( isset( $args['class'] ) && ! is_null( $args['class'] ) ) ? $args['class'] : 'large-text';
 
-	$html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	$html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+    $html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_password_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_missing_callback($args) {
-	printf(
-		__( 'The callback function used for the %s setting is missing.', 'invoicing' ),
-		'<strong>' . $args['id'] . '</strong>'
-	);
+    printf(
+        __( 'The callback function used for the %s setting is missing.', 'invoicing' ),
+        '<strong>' . $args['id'] . '</strong>'
+    );
 }
 
 function wpinv_select_callback($args) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
     
     if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
         $value = $args['selected'];
     }
 
-	if ( isset( $args['placeholder'] ) ) {
-		$placeholder = $args['placeholder'];
-	} else {
-		$placeholder = '';
-	}
+    if ( isset( $args['placeholder'] ) ) {
+        $placeholder = $args['placeholder'];
+    } else {
+        $placeholder = '';
+    }
     
     if( !empty( $args['onchange'] ) ) {
         $onchange = ' onchange="' . esc_attr( $args['onchange'] ) . '"';
@@ -761,143 +761,143 @@ 
 
     $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'"  name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" data-placeholder="' . esc_html( $placeholder ) . '"' . $onchange . ' />';
+    $html = '<select id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'"  name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" data-placeholder="' . esc_html( $placeholder ) . '"' . $onchange . ' />';
 
-	foreach ( $args['options'] as $option => $name ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
-	}
+    foreach ( $args['options'] as $option => $name ) {
+        $selected = selected( $option, $value, false );
+        $html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+    }
 
-	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</select>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_color_select_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
+    $html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
 
-	foreach ( $args['options'] as $option => $color ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
-	}
+    foreach ( $args['options'] as $option => $color ) {
+        $selected = selected( $option, $value, false );
+        $html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
+    }
 
-	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</select>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_rich_editor_callback( $args ) {
-	global $wpinv_options, $wp_version;
+    global $wpinv_options, $wp_version;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
 
-		if( empty( $args['allow_blank'] ) && empty( $value ) ) {
-			$value = isset( $args['std'] ) ? $args['std'] : '';
-		}
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+        if( empty( $args['allow_blank'] ) && empty( $value ) ) {
+            $value = isset( $args['std'] ) ? $args['std'] : '';
+        }
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
 
-	$rows = isset( $args['size'] ) ? $args['size'] : 20;
+    $rows = isset( $args['size'] ) ? $args['size'] : 20;
 
-	$html = '<div class="getpaid-settings-editor-input">';
-	if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
-		ob_start();
-		wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ), 'media_buttons' => false ) );
-		$html .= ob_get_clean();
-	} else {
-		$html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	}
+    $html = '<div class="getpaid-settings-editor-input">';
+    if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
+        ob_start();
+        wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ), 'media_buttons' => false ) );
+        $html .= ob_get_clean();
+    } else {
+        $html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+    }
 
-	$html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_upload_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[$args['id']];
-	} else {
-		$value = isset($args['std']) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[$args['id']];
+    } else {
+        $value = isset($args['std']) ? $args['std'] : '';
+    }
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
+    $html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_color_callback( $args ) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
-	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
-	}
+    if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+        $value = $wpinv_options[ $args['id'] ];
+    } else {
+        $value = isset( $args['std'] ) ? $args['std'] : '';
+    }
 
-	$default = isset( $args['std'] ) ? $args['std'] : '';
+    $default = isset( $args['std'] ) ? $args['std'] : '';
 
-	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $default ) . '" />';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $default ) . '" />';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_country_states_callback($args) {
-	global $wpinv_options;
+    global $wpinv_options;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $args['placeholder'] ) ) {
-		$placeholder = $args['placeholder'];
-	} else {
-		$placeholder = '';
-	}
+    if ( isset( $args['placeholder'] ) ) {
+        $placeholder = $args['placeholder'];
+    } else {
+        $placeholder = '';
+    }
 
-	$states = wpinv_get_country_states();
+    $states = wpinv_get_country_states();
 
-	$class = empty( $states ) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
+    $class = empty( $states ) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
+    $html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
 
-	foreach ( $states as $option => $name ) {
-		$selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $option, $wpinv_options[$args['id']], false ) : '';
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
-	}
+    foreach ( $states as $option => $name ) {
+        $selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $option, $wpinv_options[$args['id']], false ) : '';
+        $html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+    }
 
-	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</select>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_tax_rates_callback($args) {
-	global $wpinv_options;
-	$rates = wpinv_get_tax_rates();
-	ob_start(); ?>
+    global $wpinv_options;
+    $rates = wpinv_get_tax_rates();
+    ob_start(); ?>
     </td><tr>
     <td colspan="2" class="wpinv_tax_tdbox">
 	<p><?php echo $args['desc']; ?></p>
@@ -921,40 +921,40 @@ 
 			<tr>
 				<td class="wpinv_tax_country">
 					<?php
-					echo wpinv_html_select( array(
-						'options'          => wpinv_get_country_list( true ),
-						'name'             => 'tax_rates[' . $sanitized_key . '][country]',
+                    echo wpinv_html_select( array(
+                        'options'          => wpinv_get_country_list( true ),
+                        'name'             => 'tax_rates[' . $sanitized_key . '][country]',
                         'id'               => 'tax_rates[' . $sanitized_key . '][country]',
-						'selected'         => $rate['country'],
-						'show_option_all'  => false,
-						'show_option_none' => false,
-						'class'            => 'wpinv-tax-country wpi_select2',
-						'placeholder'      => __( 'Choose a country', 'invoicing' )
-					) );
-					?>
+                        'selected'         => $rate['country'],
+                        'show_option_all'  => false,
+                        'show_option_none' => false,
+                        'class'            => 'wpinv-tax-country wpi_select2',
+                        'placeholder'      => __( 'Choose a country', 'invoicing' )
+                    ) );
+                    ?>
 				</td>
 				<td class="wpinv_tax_state">
 					<?php
-					$states = wpinv_get_country_states( $rate['country'] );
-					if( !empty( $states ) ) {
-						echo wpinv_html_select( array(
-							'options'          => array_merge( array( '' => '' ), $states ),
-							'name'             => 'tax_rates[' . $sanitized_key . '][state]',
+                    $states = wpinv_get_country_states( $rate['country'] );
+                    if( !empty( $states ) ) {
+                        echo wpinv_html_select( array(
+                            'options'          => array_merge( array( '' => '' ), $states ),
+                            'name'             => 'tax_rates[' . $sanitized_key . '][state]',
                             'id'               => 'tax_rates[' . $sanitized_key . '][state]',
-							'selected'         => $rate['state'],
-							'show_option_all'  => false,
-							'show_option_none' => false,
+                            'selected'         => $rate['state'],
+                            'show_option_all'  => false,
+                            'show_option_none' => false,
                             'class'            => 'wpi_select2',
-							'placeholder'      => __( 'Choose a state', 'invoicing' )
-						) );
-					} else {
-						echo wpinv_html_text( array(
-							'name'  => 'tax_rates[' . $sanitized_key . '][state]', $rate['state'],
-							'value' => ! empty( $rate['state'] ) ? $rate['state'] : '',
+                            'placeholder'      => __( 'Choose a state', 'invoicing' )
+                        ) );
+                    } else {
+                        echo wpinv_html_text( array(
+                            'name'  => 'tax_rates[' . $sanitized_key . '][state]', $rate['state'],
+                            'value' => ! empty( $rate['state'] ) ? $rate['state'] : '',
                             'id'    => 'tax_rates[' . $sanitized_key . '][state]',
-						) );
-					}
-					?>
+                        ) );
+                    }
+                    ?>
 				</td>
 				<td class="wpinv_tax_global">
 					<input type="checkbox" name="tax_rates[<?php echo $sanitized_key; ?>][global]" id="tax_rates[<?php echo $sanitized_key; ?>][global]" value="1"<?php checked( true, ! empty( $rate['global'] ) ); ?>/>
@@ -969,19 +969,19 @@ 
 			<tr>
 				<td class="wpinv_tax_country">
 					<?php
-					echo wpinv_html_select( array(
-						'options'          => wpinv_get_country_list( true ),
-						'name'             => 'tax_rates[0][country]',
-						'show_option_all'  => false,
-						'show_option_none' => false,
-						'class'            => 'wpinv-tax-country wpi_select2',
-						'placeholder'      => __( 'Choose a country', 'invoicing' )
-					) ); ?>
+                    echo wpinv_html_select( array(
+                        'options'          => wpinv_get_country_list( true ),
+                        'name'             => 'tax_rates[0][country]',
+                        'show_option_all'  => false,
+                        'show_option_none' => false,
+                        'class'            => 'wpinv-tax-country wpi_select2',
+                        'placeholder'      => __( 'Choose a country', 'invoicing' )
+                    ) ); ?>
 				</td>
 				<td class="wpinv_tax_state">
 					<?php echo wpinv_html_text( array(
-						'name' => 'tax_rates[0][state]'
-					) ); ?>
+                        'name' => 'tax_rates[0][state]'
+                    ) ); ?>
 				</td>
 				<td class="wpinv_tax_global">
 					<input type="checkbox" name="tax_rates[0][global]" id="tax_rates[0][global]" value="1"/>
@@ -996,7 +996,7 @@ 
         <tfoot><tr><td colspan="5"></td><td class="wpinv_tax_action"><span class="button-secondary" id="wpinv_add_tax_rate"><?php _e( 'Add Tax Rate', 'invoicing' ); ?></span></td></tr></tfoot>
 	</table>
 	<?php
-	echo ob_get_clean();
+    echo ob_get_clean();
 }
 
 function wpinv_tools_callback($args) {
@@ -1024,15 +1024,15 @@ 
 }
 
 function wpinv_descriptive_text_callback( $args ) {
-	echo wp_kses_post( $args['desc'] );
+    echo wp_kses_post( $args['desc'] );
 }
 
 function wpinv_hook_callback( $args ) {
-	do_action( 'wpinv_' . $args['id'], $args );
+    do_action( 'wpinv_' . $args['id'], $args );
 }
 
 function wpinv_set_settings_cap() {
-	return wpinv_get_capability();
+    return wpinv_get_capability();
 }
 add_filter( 'option_page_capability_wpinv_settings', 'wpinv_set_settings_cap' );
 

includes/data-stores/class-getpaid-data.php

Indentation +860 added lines, -860 removed lines

@@ -9,7 +9,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -21,356 +21,356 @@ 
  */
 abstract class GetPaid_Data {
 
-	/**
-	 * ID for this object.
-	 *
-	 * @since 1.0.19
-	 * @var int
-	 */
-	protected $id = 0;
-
-	/**
-	 * Core data for this object. Name value pairs (name + default value).
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array();
-
-	/**
-	 * Core data changes for this object.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $changes = array();
-
-	/**
-	 * This is false until the object is read from the DB.
-	 *
-	 * @since 1.0.19
-	 * @var bool
-	 */
-	protected $object_read = false;
-
-	/**
-	 * This is the name of this object type.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $object_type = 'data';
-
-	/**
-	 * Extra data for this object. Name value pairs (name + default value).
-	 * Used as a standard way for sub classes (like item types) to add
-	 * additional information to an inherited class.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $extra_data = array();
-
-	/**
-	 * Set to _data on construct so we can track and reset data if needed.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $default_data = array();
-
-	/**
-	 * Contains a reference to the data store for this class.
-	 *
-	 * @since 1.0.19
-	 * @var GetPaid_Data_Store
-	 */
-	protected $data_store;
-
-	/**
-	 * Stores meta in cache for future reads.
-	 * A group must be set to to enable caching.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $cache_group = '';
-
-	/**
-	 * Stores the last error.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $last_error = '';
-
-	/**
-	 * Stores additional meta data.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $meta_data = null;
-
-	/**
-	 * Default constructor.
-	 *
-	 * @param int|object|array $read ID to load from the DB (optional) or already queried data.
-	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
-		$this->default_data = $this->data;
-	}
-
-	/**
-	 * Only store the object ID to avoid serializing the data object instance.
-	 *
-	 * @return array
-	 */
-	public function __sleep() {
-		return array( 'id' );
-	}
-
-	/**
-	 * Re-run the constructor with the object ID.
-	 *
-	 * If the object no longer exists, remove the ID.
-	 */
-	public function __wakeup() {
-		$this->__construct( absint( $this->id ) );
-
-		if ( ! empty( $this->last_error ) ) {
-			$this->set_id( 0 );
-		}
-
-	}
-
-	/**
-	 * When the object is cloned, make sure meta is duplicated correctly.
-	 *
-	 * @since 1.0.19
-	 */
-	public function __clone() {
-		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get the data store.
-	 *
-	 * @since  1.0.19
-	 * @return object
-	 */
-	public function get_data_store() {
-		return $this->data_store;
-	}
-
-	/**
-	 * Get the object type.
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	public function get_object_type() {
-		return $this->object_type;
-	}
-
-	/**
-	 * Returns the unique ID for this object.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function get_id() {
-		return $this->id;
-	}
-
-	/**
-	 * Get form status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
-    }
-
-	/**
-	 * Delete an object, set the ID to 0, and return result.
-	 *
-	 * @since  1.0.19
-	 * @param  bool $force_delete Should the data be deleted permanently.
-	 * @return bool result
-	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store && $this->get_id() ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Save should create or update based on object existence.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function save() {
-		if ( ! $this->data_store ) {
-			return $this->get_id();
-		}
-
-		/**
-		 * Trigger action before saving to the DB. Allows you to adjust object props before save.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
-		} else {
-			$this->data_store->create( $this );
-		}
-
-		/**
-		 * Trigger action after saving to the DB.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		return $this->get_id();
-	}
-
-	/**
-	 * Change data to JSON format.
-	 *
-	 * @since  1.0.19
-	 * @return string Data in JSON format.
-	 */
-	public function __toString() {
-		return wp_json_encode( $this->get_data() );
-	}
-
-	/**
-	 * Returns all data for this object.
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
-	}
-
-	/**
-	 * Returns array of expected data keys for this object.
-	 *
-	 * @since   1.0.19
-	 * @return array
-	 */
-	public function get_data_keys() {
-		return array_keys( $this->data );
-	}
-
-	/**
-	 * Returns all "extra" data keys for an object (for sub objects like item types).
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
-	}
-
-	/**
-	 * Filter null meta values from array.
-	 *
-	 * @since  1.0.19
-	 * @param mixed $meta Meta value to check.
-	 * @return bool
-	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
-	}
-
-	/**
-	 * Get All Meta Data.
-	 *
-	 * @since 1.0.19
-	 * @return array of objects.
-	 */
-	public function get_meta_data() {
-		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
-	}
-
-	/**
-	 * Check if the key is an internal one.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Key to check.
-	 * @return bool   true if it's an internal key, false otherwise
-	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
-
-		if ( ! $internal_meta_key ) {
-			return false;
-		}
-
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
-
-		if ( ! $has_setter_or_getter ) {
-			return false;
-		}
-
-		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
-
-		return true;
-	}
-
-	/**
-	 * Magic method for setting data fields.
-	 *
-	 * This method does not update custom fields in the database.
-	 *
-	 * @since 1.0.19
-	 * @access public
-	 *
-	 */
-	public function __set( $key, $value ) {
-
-		if ( 'id' == strtolower( $key ) ) {
-			return $this->set_id( $value );
-		}
-
-		if ( method_exists( $this, "set_$key") ) {
-
-			/* translators: %s: $key Key to set */
-			getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
-
-			call_user_func( array( $this, "set_$key" ), $value );
-		} else {
-			$this->set_prop( $key, $value );
-		}
-
-	}
-
-	/**
+    /**
+     * ID for this object.
+     *
+     * @since 1.0.19
+     * @var int
+     */
+    protected $id = 0;
+
+    /**
+     * Core data for this object. Name value pairs (name + default value).
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array();
+
+    /**
+     * Core data changes for this object.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $changes = array();
+
+    /**
+     * This is false until the object is read from the DB.
+     *
+     * @since 1.0.19
+     * @var bool
+     */
+    protected $object_read = false;
+
+    /**
+     * This is the name of this object type.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $object_type = 'data';
+
+    /**
+     * Extra data for this object. Name value pairs (name + default value).
+     * Used as a standard way for sub classes (like item types) to add
+     * additional information to an inherited class.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $extra_data = array();
+
+    /**
+     * Set to _data on construct so we can track and reset data if needed.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $default_data = array();
+
+    /**
+     * Contains a reference to the data store for this class.
+     *
+     * @since 1.0.19
+     * @var GetPaid_Data_Store
+     */
+    protected $data_store;
+
+    /**
+     * Stores meta in cache for future reads.
+     * A group must be set to to enable caching.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $cache_group = '';
+
+    /**
+     * Stores the last error.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $last_error = '';
+
+    /**
+     * Stores additional meta data.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $meta_data = null;
+
+    /**
+     * Default constructor.
+     *
+     * @param int|object|array $read ID to load from the DB (optional) or already queried data.
+     */
+    public function __construct( $read = 0 ) {
+        $this->data         = array_merge( $this->data, $this->extra_data );
+        $this->default_data = $this->data;
+    }
+
+    /**
+     * Only store the object ID to avoid serializing the data object instance.
+     *
+     * @return array
+     */
+    public function __sleep() {
+        return array( 'id' );
+    }
+
+    /**
+     * Re-run the constructor with the object ID.
+     *
+     * If the object no longer exists, remove the ID.
+     */
+    public function __wakeup() {
+        $this->__construct( absint( $this->id ) );
+
+        if ( ! empty( $this->last_error ) ) {
+            $this->set_id( 0 );
+        }
+
+    }
+
+    /**
+     * When the object is cloned, make sure meta is duplicated correctly.
+     *
+     * @since 1.0.19
+     */
+    public function __clone() {
+        $this->maybe_read_meta_data();
+        if ( ! empty( $this->meta_data ) ) {
+            foreach ( $this->meta_data as $array_key => $meta ) {
+                $this->meta_data[ $array_key ] = clone $meta;
+                if ( ! empty( $meta->id ) ) {
+                    $this->meta_data[ $array_key ]->id = null;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get the data store.
+     *
+     * @since  1.0.19
+     * @return object
+     */
+    public function get_data_store() {
+        return $this->data_store;
+    }
+
+    /**
+     * Get the object type.
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    public function get_object_type() {
+        return $this->object_type;
+    }
+
+    /**
+     * Returns the unique ID for this object.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function get_id() {
+        return $this->id;
+    }
+
+    /**
+     * Get form status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
+    }
+
+    /**
+     * Delete an object, set the ID to 0, and return result.
+     *
+     * @since  1.0.19
+     * @param  bool $force_delete Should the data be deleted permanently.
+     * @return bool result
+     */
+    public function delete( $force_delete = false ) {
+        if ( $this->data_store && $this->get_id() ) {
+            $this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
+            $this->set_id( 0 );
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Save should create or update based on object existence.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function save() {
+        if ( ! $this->data_store ) {
+            return $this->get_id();
+        }
+
+        /**
+         * Trigger action before saving to the DB. Allows you to adjust object props before save.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        if ( $this->get_id() ) {
+            $this->data_store->update( $this );
+        } else {
+            $this->data_store->create( $this );
+        }
+
+        /**
+         * Trigger action after saving to the DB.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        return $this->get_id();
+    }
+
+    /**
+     * Change data to JSON format.
+     *
+     * @since  1.0.19
+     * @return string Data in JSON format.
+     */
+    public function __toString() {
+        return wp_json_encode( $this->get_data() );
+    }
+
+    /**
+     * Returns all data for this object.
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_data() {
+        return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+    }
+
+    /**
+     * Returns array of expected data keys for this object.
+     *
+     * @since   1.0.19
+     * @return array
+     */
+    public function get_data_keys() {
+        return array_keys( $this->data );
+    }
+
+    /**
+     * Returns all "extra" data keys for an object (for sub objects like item types).
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_extra_data_keys() {
+        return array_keys( $this->extra_data );
+    }
+
+    /**
+     * Filter null meta values from array.
+     *
+     * @since  1.0.19
+     * @param mixed $meta Meta value to check.
+     * @return bool
+     */
+    protected function filter_null_meta( $meta ) {
+        return ! is_null( $meta->value );
+    }
+
+    /**
+     * Get All Meta Data.
+     *
+     * @since 1.0.19
+     * @return array of objects.
+     */
+    public function get_meta_data() {
+        $this->maybe_read_meta_data();
+        return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+    }
+
+    /**
+     * Check if the key is an internal one.
+     *
+     * @since  1.0.19
+     * @param  string $key Key to check.
+     * @return bool   true if it's an internal key, false otherwise
+     */
+    protected function is_internal_meta_key( $key ) {
+        $internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+
+        if ( ! $internal_meta_key ) {
+            return false;
+        }
+
+        $has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+
+        if ( ! $has_setter_or_getter ) {
+            return false;
+        }
+
+        /* translators: %s: $key Key to check */
+        getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
+
+        return true;
+    }
+
+    /**
+     * Magic method for setting data fields.
+     *
+     * This method does not update custom fields in the database.
+     *
+     * @since 1.0.19
+     * @access public
+     *
+     */
+    public function __set( $key, $value ) {
+
+        if ( 'id' == strtolower( $key ) ) {
+            return $this->set_id( $value );
+        }
+
+        if ( method_exists( $this, "set_$key") ) {
+
+            /* translators: %s: $key Key to set */
+            getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
+
+            call_user_func( array( $this, "set_$key" ), $value );
+        } else {
+            $this->set_prop( $key, $value );
+        }
+
+    }
+
+    /**
      * Margic method for retrieving a property.
      */
     public function __get( $key ) {
@@ -378,10 +378,10 @@ 
         // Check if we have a helper method for that.
         if ( method_exists( $this, 'get_' . $key ) ) {
 
-			if ( 'post_type' != $key ) {
-				/* translators: %s: $key Key to set */
-				getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
-			}
+            if ( 'post_type' != $key ) {
+                /* translators: %s: $key Key to set */
+                getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
+            }
 
             return call_user_func( array( $this, 'get_' . $key ) );
         }
@@ -391,512 +391,512 @@ 
             return $this->post->$key;
         }
 
-		return $this->get_prop( $key );
-
-    }
-
-	/**
-	 * Get Meta Data by Key.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @param  bool   $single return first found meta with key, or all with $key.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
-
-		// Check if this is an internal meta key.
-		$_key = str_replace( '_wpinv', '', $key );
-		$_key = str_replace( 'wpinv', '', $_key );
-		if ( $this->is_internal_meta_key( $_key ) ) {
-			$function = 'get_' . $_key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}();
-			}
-		}
-
-		// Read the meta data if not yet read.
-		$this->maybe_read_meta_data();
-		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
-		$value      = $single ? '' : array();
-
-		if ( ! empty( $array_keys ) ) {
-			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
-			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
-			}
-		}
-
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
-		}
-
-		return $value;
-	}
-
-	/**
-	 * See if meta data exists, since get_meta always returns a '' or array().
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @return boolean
-	 */
-	public function meta_exists( $key = '' ) {
-		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
-	}
-
-	/**
-	 * Set all meta data from array.
-	 *
-	 * @since 1.0.19
-	 * @param array $data Key/Value pairs.
-	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
-			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
-				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
-					$this->meta_data[] = new GetPaid_Meta_Data(
-						array(
-							'id'    => $meta['id'],
-							'key'   => $meta['key'],
-							'value' => $meta['value'],
-						)
-					);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Add meta data.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string       $key Meta key.
-	 * @param string|array $value Meta value.
-	 * @param bool         $unique Should this be a unique key?.
-	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
-		}
-		$this->meta_data[] = new GetPaid_Meta_Data(
-			array(
-				'key'   => $key,
-				'value' => $value,
-			)
-		);
-	}
-
-	/**
-	 * Update meta data by key or ID, if provided.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param  string       $key Meta key.
-	 * @param  string|array $value Meta value.
-	 * @param  int          $meta_id Meta ID.
-	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-
-		$array_key = false;
-
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
-		} else {
-			// Find matches by key.
-			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
-					$matches[] = $meta_data_array_key;
-				}
-			}
-
-			if ( ! empty( $matches ) ) {
-				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
-				}
-				$array_key = current( $matches );
-			}
-		}
-
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
-			$meta->key   = $key;
-			$meta->value = $value;
-		} else {
-			$this->add_meta_data( $key, $value, true );
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param string $key Meta key.
-	 */
-	public function delete_meta_data( $key ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param int $mid Meta ID.
-	 */
-	public function delete_meta_data_by_mid( $mid ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Read meta data if null.
-	 *
-	 * @since 1.0.19
-	 */
-	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
-			$this->read_meta_data();
-		}
-	}
-
-	/**
-	 * Read Meta Data from the database. Ignore any internal properties.
-	 * Uses it's own caches because get_metadata does not provide meta_ids.
-	 *
-	 * @since 1.0.19
-	 * @param bool $force_read True to force a new DB read (and update cache).
-	 */
-	public function read_meta_data( $force_read = false ) {
-
-		// Reset meta data.
-		$this->meta_data = array();
-
-		// Maybe abort early.
-		if ( ! $this->get_id() || ! $this->data_store ) {
-			return;
-		}
-
-		// Only read from cache if the cache key is set.
-		$cache_key = null;
-		if ( ! $force_read && ! empty( $this->cache_group ) ) {
-			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			$raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
-		}
-
-		// Should we force read?
-		if ( empty( $raw_meta_data ) ) {
-			$raw_meta_data = $this->data_store->read_meta( $this );
-
-			if ( ! empty( $cache_key ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
-			}
-
-		}
-
-		// Set meta data.
-		if ( is_array( $raw_meta_data ) ) {
-
-			foreach ( $raw_meta_data as $meta ) {
-				$this->meta_data[] = new GetPaid_Meta_Data(
-					array(
-						'id'    => (int) $meta->meta_id,
-						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
-					)
-				);
-			}
-
-		}
-
-	}
-
-	/**
-	 * Update Meta Data in the database.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
-			return;
-		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
-				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
-				$meta->apply_changes();
-			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
-					$meta->apply_changes();
-				}
-			}
-		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
-		}
-	}
-
-	/**
-	 * Set ID.
-	 *
-	 * @since 1.0.19
-	 * @param int $id ID.
-	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
-	}
-
-	/**
-	 * Sets item status.
-	 *
-	 * @since 1.0.19
-	 * @param string $status New status.
-	 * @return array details of change.
-	 */
-	public function set_status( $status ) {
+        return $this->get_prop( $key );
+
+    }
+
+    /**
+     * Get Meta Data by Key.
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @param  bool   $single return first found meta with key, or all with $key.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    public function get_meta( $key = '', $single = true, $context = 'view' ) {
+
+        // Check if this is an internal meta key.
+        $_key = str_replace( '_wpinv', '', $key );
+        $_key = str_replace( 'wpinv', '', $_key );
+        if ( $this->is_internal_meta_key( $_key ) ) {
+            $function = 'get_' . $_key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}();
+            }
+        }
+
+        // Read the meta data if not yet read.
+        $this->maybe_read_meta_data();
+        $meta_data  = $this->get_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+        $value      = $single ? '' : array();
+
+        if ( ! empty( $array_keys ) ) {
+            // We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
+            if ( $single ) {
+                $value = $meta_data[ current( $array_keys ) ]->value;
+            } else {
+                $value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+            }
+        }
+
+        if ( 'view' === $context ) {
+            $value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+        }
+
+        return $value;
+    }
+
+    /**
+     * See if meta data exists, since get_meta always returns a '' or array().
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @return boolean
+     */
+    public function meta_exists( $key = '' ) {
+        $this->maybe_read_meta_data();
+        $array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
+        return in_array( $key, $array_keys, true );
+    }
+
+    /**
+     * Set all meta data from array.
+     *
+     * @since 1.0.19
+     * @param array $data Key/Value pairs.
+     */
+    public function set_meta_data( $data ) {
+        if ( ! empty( $data ) && is_array( $data ) ) {
+            $this->maybe_read_meta_data();
+            foreach ( $data as $meta ) {
+                $meta = (array) $meta;
+                if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+                    $this->meta_data[] = new GetPaid_Meta_Data(
+                        array(
+                            'id'    => $meta['id'],
+                            'key'   => $meta['key'],
+                            'value' => $meta['value'],
+                        )
+                    );
+                }
+            }
+        }
+    }
+
+    /**
+     * Add meta data.
+     *
+     * @since 1.0.19
+     *
+     * @param string       $key Meta key.
+     * @param string|array $value Meta value.
+     * @param bool         $unique Should this be a unique key?.
+     */
+    public function add_meta_data( $key, $value, $unique = false ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+        if ( $unique ) {
+            $this->delete_meta_data( $key );
+        }
+        $this->meta_data[] = new GetPaid_Meta_Data(
+            array(
+                'key'   => $key,
+                'value' => $value,
+            )
+        );
+    }
+
+    /**
+     * Update meta data by key or ID, if provided.
+     *
+     * @since  1.0.19
+     *
+     * @param  string       $key Meta key.
+     * @param  string|array $value Meta value.
+     * @param  int          $meta_id Meta ID.
+     */
+    public function update_meta_data( $key, $value, $meta_id = 0 ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+
+        $array_key = false;
+
+        if ( $meta_id ) {
+            $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
+            $array_key  = $array_keys ? current( $array_keys ) : false;
+        } else {
+            // Find matches by key.
+            $matches = array();
+            foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
+                if ( $meta->key === $key ) {
+                    $matches[] = $meta_data_array_key;
+                }
+            }
+
+            if ( ! empty( $matches ) ) {
+                // Set matches to null so only one key gets the new value.
+                foreach ( $matches as $meta_data_array_key ) {
+                    $this->meta_data[ $meta_data_array_key ]->value = null;
+                }
+                $array_key = current( $matches );
+            }
+        }
+
+        if ( false !== $array_key ) {
+            $meta        = $this->meta_data[ $array_key ];
+            $meta->key   = $key;
+            $meta->value = $value;
+        } else {
+            $this->add_meta_data( $key, $value, true );
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param string $key Meta key.
+     */
+    public function delete_meta_data( $key ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param int $mid Meta ID.
+     */
+    public function delete_meta_data_by_mid( $mid ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Read meta data if null.
+     *
+     * @since 1.0.19
+     */
+    protected function maybe_read_meta_data() {
+        if ( is_null( $this->meta_data ) ) {
+            $this->read_meta_data();
+        }
+    }
+
+    /**
+     * Read Meta Data from the database. Ignore any internal properties.
+     * Uses it's own caches because get_metadata does not provide meta_ids.
+     *
+     * @since 1.0.19
+     * @param bool $force_read True to force a new DB read (and update cache).
+     */
+    public function read_meta_data( $force_read = false ) {
+
+        // Reset meta data.
+        $this->meta_data = array();
+
+        // Maybe abort early.
+        if ( ! $this->get_id() || ! $this->data_store ) {
+            return;
+        }
+
+        // Only read from cache if the cache key is set.
+        $cache_key = null;
+        if ( ! $force_read && ! empty( $this->cache_group ) ) {
+            $cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+            $raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
+        }
+
+        // Should we force read?
+        if ( empty( $raw_meta_data ) ) {
+            $raw_meta_data = $this->data_store->read_meta( $this );
+
+            if ( ! empty( $cache_key ) ) {
+                wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+            }
+
+        }
+
+        // Set meta data.
+        if ( is_array( $raw_meta_data ) ) {
+
+            foreach ( $raw_meta_data as $meta ) {
+                $this->meta_data[] = new GetPaid_Meta_Data(
+                    array(
+                        'id'    => (int) $meta->meta_id,
+                        'key'   => $meta->meta_key,
+                        'value' => maybe_unserialize( $meta->meta_value ),
+                    )
+                );
+            }
+
+        }
+
+    }
+
+    /**
+     * Update Meta Data in the database.
+     *
+     * @since 1.0.19
+     */
+    public function save_meta_data() {
+        if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+            return;
+        }
+        foreach ( $this->meta_data as $array_key => $meta ) {
+            if ( is_null( $meta->value ) ) {
+                if ( ! empty( $meta->id ) ) {
+                    $this->data_store->delete_meta( $this, $meta );
+                    unset( $this->meta_data[ $array_key ] );
+                }
+            } elseif ( empty( $meta->id ) ) {
+                $meta->id = $this->data_store->add_meta( $this, $meta );
+                $meta->apply_changes();
+            } else {
+                if ( $meta->get_changes() ) {
+                    $this->data_store->update_meta( $this, $meta );
+                    $meta->apply_changes();
+                }
+            }
+        }
+        if ( ! empty( $this->cache_group ) ) {
+            $cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+            wp_cache_delete( $cache_key, $this->cache_group );
+        }
+    }
+
+    /**
+     * Set ID.
+     *
+     * @since 1.0.19
+     * @param int $id ID.
+     */
+    public function set_id( $id ) {
+        $this->id = absint( $id );
+    }
+
+    /**
+     * Sets item status.
+     *
+     * @since 1.0.19
+     * @param string $status New status.
+     * @return array details of change.
+     */
+    public function set_status( $status ) {
         $old_status = $this->get_status();
 
-		$this->set_prop( 'status', $status );
-
-		return array(
-			'from' => $old_status,
-			'to'   => $status,
-		);
-    }
-
-	/**
-	 * Set all props to default values.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_defaults() {
-		$this->data    = $this->default_data;
-		$this->changes = array();
-		$this->set_object_read( false );
-	}
-
-	/**
-	 * Set object read property.
-	 *
-	 * @since 1.0.19
-	 * @param boolean $read Should read?.
-	 */
-	public function set_object_read( $read = true ) {
-		$this->object_read = (bool) $read;
-	}
-
-	/**
-	 * Get object read property.
-	 *
-	 * @since  1.0.19
-	 * @return boolean
-	 */
-	public function get_object_read() {
-		return (bool) $this->object_read;
-	}
-
-	/**
-	 * Set a collection of props in one go, collect any errors, and return the result.
-	 * Only sets using public methods.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
-	 * @param string $context In what context to run this.
-	 *
-	 * @return bool|WP_Error
-	 */
-	public function set_props( $props, $context = 'set' ) {
-		$errors = false;
-
-		foreach ( $props as $prop => $value ) {
-			try {
-				/**
-				 * Checks if the prop being set is allowed, and the value is not null.
-				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
-					continue;
-				}
-				$setter = "set_$prop";
-
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
-				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
-					$errors = new WP_Error();
-				}
-				$errors->add( $e->getCode(), $e->getMessage() );
-				$this->last_error = $e->getMessage();
-			}
-		}
-
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
-	}
-
-	/**
-	 * Sets a prop for a setter method.
-	 *
-	 * This stores changes in a special array so we can track what needs saving
-	 * the the DB later.
-	 *
-	 * @since 1.0.19
-	 * @param string $prop Name of prop to set.
-	 * @param mixed  $value Value of the prop.
-	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
-				}
-			} else {
-				$this->data[ $prop ] = $value;
-			}
-		}
-	}
-
-	/**
-	 * Return data changes only.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_changes() {
-		return $this->changes;
-	}
-
-	/**
-	 * Merge changes with data and clear.
-	 *
-	 * @since 1.0.19
-	 */
-	public function apply_changes() {
-		$this->data    = array_replace_recursive( $this->data, $this->changes );
-		$this->changes = array();
-	}
-
-	/**
-	 * Prefix for action and filter hooks on data.
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	protected function get_hook_prefix() {
-		return 'wpinv_get_' . $this->object_type . '_';
-	}
-
-	/**
-	 * Gets a prop for a getter method.
-	 *
-	 * Gets the value from either current pending changes, or the data itself.
-	 * Context controls what happens to the value before it's returned.
-	 *
-	 * @since  1.0.19
-	 * @param  string $prop Name of prop to get.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	protected function get_prop( $prop, $context = 'view' ) {
-		$value = null;
-
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
-
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
-			}
-		}
-
-		return $value;
-	}
-
-	/**
-	 * Sets a date prop whilst handling formatting and datetime objects.
-	 *
-	 * @since 1.0.19
-	 * @param string         $prop Name of prop to set.
-	 * @param string|integer $value Value of the prop.
-	 */
-	protected function set_date_prop( $prop, $value ) {
-
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
-			return;
-		}
-		$this->set_prop( $prop, $value );
-
-	}
-
-	/**
-	 * When invalid data is found, throw an exception unless reading from the DB.
-	 *
-	 * @since 1.0.19
-	 * @param string $code             Error code.
-	 * @param string $message          Error message.
-	 */
-	protected function error( $code, $message ) {
-		$this->last_error = $message;
-	}
-
-	/**
-	 * Checks if the object is saved in the database
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function exists() {
-		$id = $this->get_id();
-		return ! empty( $id );
-	}
+        $this->set_prop( 'status', $status );
+
+        return array(
+            'from' => $old_status,
+            'to'   => $status,
+        );
+    }
+
+    /**
+     * Set all props to default values.
+     *
+     * @since 1.0.19
+     */
+    public function set_defaults() {
+        $this->data    = $this->default_data;
+        $this->changes = array();
+        $this->set_object_read( false );
+    }
+
+    /**
+     * Set object read property.
+     *
+     * @since 1.0.19
+     * @param boolean $read Should read?.
+     */
+    public function set_object_read( $read = true ) {
+        $this->object_read = (bool) $read;
+    }
+
+    /**
+     * Get object read property.
+     *
+     * @since  1.0.19
+     * @return boolean
+     */
+    public function get_object_read() {
+        return (bool) $this->object_read;
+    }
+
+    /**
+     * Set a collection of props in one go, collect any errors, and return the result.
+     * Only sets using public methods.
+     *
+     * @since  1.0.19
+     *
+     * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
+     * @param string $context In what context to run this.
+     *
+     * @return bool|WP_Error
+     */
+    public function set_props( $props, $context = 'set' ) {
+        $errors = false;
+
+        foreach ( $props as $prop => $value ) {
+            try {
+                /**
+                 * Checks if the prop being set is allowed, and the value is not null.
+                 */
+                if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+                    continue;
+                }
+                $setter = "set_$prop";
+
+                if ( is_callable( array( $this, $setter ) ) ) {
+                    $this->{$setter}( $value );
+                }
+            } catch ( Exception $e ) {
+                if ( ! $errors ) {
+                    $errors = new WP_Error();
+                }
+                $errors->add( $e->getCode(), $e->getMessage() );
+                $this->last_error = $e->getMessage();
+            }
+        }
+
+        return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+    }
+
+    /**
+     * Sets a prop for a setter method.
+     *
+     * This stores changes in a special array so we can track what needs saving
+     * the the DB later.
+     *
+     * @since 1.0.19
+     * @param string $prop Name of prop to set.
+     * @param mixed  $value Value of the prop.
+     */
+    protected function set_prop( $prop, $value ) {
+        if ( array_key_exists( $prop, $this->data ) ) {
+            if ( true === $this->object_read ) {
+                if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
+                    $this->changes[ $prop ] = $value;
+                }
+            } else {
+                $this->data[ $prop ] = $value;
+            }
+        }
+    }
+
+    /**
+     * Return data changes only.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_changes() {
+        return $this->changes;
+    }
+
+    /**
+     * Merge changes with data and clear.
+     *
+     * @since 1.0.19
+     */
+    public function apply_changes() {
+        $this->data    = array_replace_recursive( $this->data, $this->changes );
+        $this->changes = array();
+    }
+
+    /**
+     * Prefix for action and filter hooks on data.
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    protected function get_hook_prefix() {
+        return 'wpinv_get_' . $this->object_type . '_';
+    }
+
+    /**
+     * Gets a prop for a getter method.
+     *
+     * Gets the value from either current pending changes, or the data itself.
+     * Context controls what happens to the value before it's returned.
+     *
+     * @since  1.0.19
+     * @param  string $prop Name of prop to get.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    protected function get_prop( $prop, $context = 'view' ) {
+        $value = null;
+
+        if ( array_key_exists( $prop, $this->data ) ) {
+            $value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+
+            if ( 'view' === $context ) {
+                $value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * Sets a date prop whilst handling formatting and datetime objects.
+     *
+     * @since 1.0.19
+     * @param string         $prop Name of prop to set.
+     * @param string|integer $value Value of the prop.
+     */
+    protected function set_date_prop( $prop, $value ) {
+
+        if ( empty( $value ) ) {
+            $this->set_prop( $prop, null );
+            return;
+        }
+        $this->set_prop( $prop, $value );
+
+    }
+
+    /**
+     * When invalid data is found, throw an exception unless reading from the DB.
+     *
+     * @since 1.0.19
+     * @param string $code             Error code.
+     * @param string $message          Error message.
+     */
+    protected function error( $code, $message ) {
+        $this->last_error = $message;
+    }
+
+    /**
+     * Checks if the object is saved in the database
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function exists() {
+        $id = $this->get_id();
+        return ! empty( $id );
+    }
 
 }

includes/data-stores/class-getpaid-subscription-data-store.php

Indentation +180 added lines, -180 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -15,196 +15,196 @@ 
  */
 class GetPaid_Subscription_Data_Store {
 
-	/**
-	 * A map of database fields to data types.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $database_fields_to_data_type = array(
-		'id'                => '%d',
-		'customer_id'       => '%d',
-		'frequency'         => '%d',
-		'period'            => '%s',
-		'initial_amount'    => '%s',
-		'recurring_amount'  => '%s',
-		'bill_times'        => '%d',
-		'transaction_id'    => '%s',
-		'parent_payment_id' => '%d',
-		'product_id'        => '%d',
-		'created'           => '%s',
-		'expiration'        => '%s',
-		'trial_period'      => '%s',
-		'status'            => '%s',
-		'profile_id'        => '%s',
-	);
-
-	/*
+    /**
+     * A map of database fields to data types.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $database_fields_to_data_type = array(
+        'id'                => '%d',
+        'customer_id'       => '%d',
+        'frequency'         => '%d',
+        'period'            => '%s',
+        'initial_amount'    => '%s',
+        'recurring_amount'  => '%s',
+        'bill_times'        => '%d',
+        'transaction_id'    => '%s',
+        'parent_payment_id' => '%d',
+        'product_id'        => '%d',
+        'created'           => '%s',
+        'expiration'        => '%s',
+        'trial_period'      => '%s',
+        'status'            => '%s',
+        'profile_id'        => '%s',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new subscription in the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 */
-	public function create( &$subscription ) {
-		global $wpdb;
-
-		$values  = array();
-		$formats = array();
-
-		$fields = $this->database_fields_to_data_type;
-		unset( $fields['id'] );
-
-		foreach ( $fields as $key => $format ) {
-			$method       = "get_$key";
-			$values[$key] = $subscription->$method( 'edit' );
-			$formats[]    = $format;
-		}
-
-		$result = $wpdb->insert( $wpdb->prefix . 'wpinv_subscriptions', $values, $formats );
-
-		if ( $result ) {
-			$subscription->set_id( $wpdb->insert_id );
-			$subscription->apply_changes();
-			$subscription->clear_cache();
-			update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
-			do_action( 'getpaid_new_subscription', $subscription );
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a subscription from the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 *
-	 */
-	public function read( &$subscription ) {
-		global $wpdb;
-
-		$subscription->set_defaults();
-
-		if ( ! $subscription->get_id() ) {
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
-			$subscription->set_id( 0 );
-			return false;
-		}
-
-		// Maybe retrieve from the cache.
-		$raw_subscription = wp_cache_get( $subscription->get_id(), 'getpaid_subscriptions' );
-
-		// If not found, retrieve from the db.
-		if ( false === $raw_subscription ) {
-
-			$raw_subscription = $wpdb->get_row(
-				$wpdb->prepare(
-					"SELECT * FROM {$wpdb->prefix}wpinv_subscriptions WHERE id = %d",
-					$subscription->get_id()
-				)
-			);
-
-			// Update the cache with our data
-			wp_cache_set( $subscription->get_id(), $raw_subscription, 'getpaid_subscriptions' );
-
-		}
-
-		if ( ! $raw_subscription ) {
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
-			return false;
-		}
-
-		foreach ( array_keys( $this->database_fields_to_data_type ) as $key ) {
-			$method     = "set_$key";
-			$subscription->$method( $raw_subscription->$key );
-		}
-
-		$subscription->set_object_read( true );
-		do_action( 'getpaid_read_subscription', $subscription );
-
-	}
-
-	/**
-	 * Method to update a subscription in the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 */
-	public function update( &$subscription ) {
-		global $wpdb;
-
-		$changes = $subscription->get_changes();
-		$values  = array();
-		$format  = array();
-
-		foreach ( $this->database_fields_to_data_type as $key => $format ) {
-			if ( array_key_exists( $key, $changes ) ) {
-				$method       = "get_$key";
-				$values[$key] = $subscription->$method( 'edit' );
-				$formats[]    = $format;
-			}
-		}
-
-		if ( empty( $values ) ) {
-			return;
-		}
-
-		$wpdb->update(
-			$wpdb->prefix . 'wpinv_subscriptions',
-			$values,
-			array(
-				'id' => $subscription->get_id(),
-			),
-			$formats,
-			'%d'
-		);
-
-		// Apply the changes.
-		$subscription->apply_changes();
-
-		// Delete cache.
-		$subscription->clear_cache();
-
-		update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id() );
-
-		// Fire a hook.
-		do_action( 'getpaid_update_subscription', $subscription );
-
-	}
-
-	/**
-	 * Method to delete a subscription from the database.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function delete( &$subscription ) {
-		global $wpdb;
-
-		$wpdb->query(
-			$wpdb->prepare(
-				"DELETE FROM {$wpdb->prefix}getpaid_subscriptions
+    /**
+     * Method to create a new subscription in the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     */
+    public function create( &$subscription ) {
+        global $wpdb;
+
+        $values  = array();
+        $formats = array();
+
+        $fields = $this->database_fields_to_data_type;
+        unset( $fields['id'] );
+
+        foreach ( $fields as $key => $format ) {
+            $method       = "get_$key";
+            $values[$key] = $subscription->$method( 'edit' );
+            $formats[]    = $format;
+        }
+
+        $result = $wpdb->insert( $wpdb->prefix . 'wpinv_subscriptions', $values, $formats );
+
+        if ( $result ) {
+            $subscription->set_id( $wpdb->insert_id );
+            $subscription->apply_changes();
+            $subscription->clear_cache();
+            update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
+            do_action( 'getpaid_new_subscription', $subscription );
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a subscription from the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     *
+     */
+    public function read( &$subscription ) {
+        global $wpdb;
+
+        $subscription->set_defaults();
+
+        if ( ! $subscription->get_id() ) {
+            $subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
+            $subscription->set_id( 0 );
+            return false;
+        }
+
+        // Maybe retrieve from the cache.
+        $raw_subscription = wp_cache_get( $subscription->get_id(), 'getpaid_subscriptions' );
+
+        // If not found, retrieve from the db.
+        if ( false === $raw_subscription ) {
+
+            $raw_subscription = $wpdb->get_row(
+                $wpdb->prepare(
+                    "SELECT * FROM {$wpdb->prefix}wpinv_subscriptions WHERE id = %d",
+                    $subscription->get_id()
+                )
+            );
+
+            // Update the cache with our data
+            wp_cache_set( $subscription->get_id(), $raw_subscription, 'getpaid_subscriptions' );
+
+        }
+
+        if ( ! $raw_subscription ) {
+            $subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
+            return false;
+        }
+
+        foreach ( array_keys( $this->database_fields_to_data_type ) as $key ) {
+            $method     = "set_$key";
+            $subscription->$method( $raw_subscription->$key );
+        }
+
+        $subscription->set_object_read( true );
+        do_action( 'getpaid_read_subscription', $subscription );
+
+    }
+
+    /**
+     * Method to update a subscription in the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     */
+    public function update( &$subscription ) {
+        global $wpdb;
+
+        $changes = $subscription->get_changes();
+        $values  = array();
+        $format  = array();
+
+        foreach ( $this->database_fields_to_data_type as $key => $format ) {
+            if ( array_key_exists( $key, $changes ) ) {
+                $method       = "get_$key";
+                $values[$key] = $subscription->$method( 'edit' );
+                $formats[]    = $format;
+            }
+        }
+
+        if ( empty( $values ) ) {
+            return;
+        }
+
+        $wpdb->update(
+            $wpdb->prefix . 'wpinv_subscriptions',
+            $values,
+            array(
+                'id' => $subscription->get_id(),
+            ),
+            $formats,
+            '%d'
+        );
+
+        // Apply the changes.
+        $subscription->apply_changes();
+
+        // Delete cache.
+        $subscription->clear_cache();
+
+        update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id() );
+
+        // Fire a hook.
+        do_action( 'getpaid_update_subscription', $subscription );
+
+    }
+
+    /**
+     * Method to delete a subscription from the database.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function delete( &$subscription ) {
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare(
+                "DELETE FROM {$wpdb->prefix}getpaid_subscriptions
 				WHERE id = %d",
-				$subscription->get_id()
-			)
-		);
+                $subscription->get_id()
+            )
+        );
 
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id' );
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id' );
+        delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id' );
+        delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id' );
 
-		// Delete cache.
-		$subscription->clear_cache();
+        // Delete cache.
+        $subscription->clear_cache();
 
-		// Fire a hook.
-		do_action( 'getpaid_delete_subscription', $subscription );
+        // Fire a hook.
+        do_action( 'getpaid_delete_subscription', $subscription );
 
-		$subscription->set_id( 0 );
-	}
+        $subscription->set_id( 0 );
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

includes/api/class-getpaid-rest-crud-controller.php

Indentation +471 added lines, -471 removed lines

@@ -17,476 +17,476 @@
  */
 class GetPaid_REST_CRUD_Controller extends GetPaid_REST_Controller {
 
-	/**
-	 * Contains this controller's class name.
-	 *
-	 * @var string
-	 */
-	public $crud_class;
-
-	/**
-	 * Contains the current CRUD object.
-	 *
-	 * @var GetPaid_Data
-	 */
-	protected $data_object;
-
-	/**
-	 * Registers the routes for the objects of the controller.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @see register_rest_route()
-	 */
-	public function register_namespace_routes( $namespace ) {
-
-		register_rest_route(
-			$namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				array(
-					'methods'             => WP_REST_Server::CREATABLE,
-					'callback'            => array( $this, 'create_item' ),
-					'permission_callback' => array( $this, 'create_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-		$get_item_args = array(
-			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
-		);
-
-		register_rest_route(
-			$namespace,
-			'/' . $this->rest_base . '/(?P<id>[\d]+)',
-			array(
-				'args'   => array(
-					'id' => array(
-						'description' => __( 'Unique identifier for the object.', 'invoicing' ),
-						'type'        => 'integer',
-					),
-				),
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_item' ),
-					'permission_callback' => array( $this, 'get_item_permissions_check' ),
-					'args'                => $get_item_args,
-				),
-				array(
-					'methods'             => WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'update_item' ),
-					'permission_callback' => array( $this, 'update_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
-				),
-				array(
-					'methods'             => WP_REST_Server::DELETABLE,
-					'callback'            => array( $this, 'delete_item' ),
-					'permission_callback' => array( $this, 'delete_item_permissions_check' ),
-					'args'                => array(
-						'force' => array(
-							'type'        => 'boolean',
-							'default'     => false,
-							'description' => __( 'Whether to bypass Trash and force deletion.', 'invoicing' ),
-						),
-					),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-	}
-
-	/**
-	 * Saves a single object.
-	 *
-	 * @param GetPaid_Data $object Object to save.
-	 * @return WP_Error|GetPaid_Data
-	 */
-	protected function save_object( $object ) {
-		$object->save();
-
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_cannot_save', $object->last_error, array( 'status' => 400 ) );
-		}
-
-		return new $this->crud_class( $object->get_id() );
-	}
-
-	/**
-	 * Retrieves a single object.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @param int|WP_Post $object_id Supplied ID.
-	 * @return GetPaid_Data|WP_Error GetPaid_Data object if ID is valid, WP_Error otherwise.
-	 */
-	protected function get_object( $object_id ) {
-
-		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
-		}
-
-		// Fetch the object.
-		$object = new $this->crud_class( $object_id );
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_object_invalid_id', $object->last_error, array( 'status' => 404 ) );
-		}
-
-		$this->data_object = $object;
-		return $object->get_id() ? $object : new WP_Error( 'rest_object_invalid_id', __( 'Invalid ID.', 'invoicing' ), array( 'status' => 404 ) );
-
-	}
-
-	/**
-	 * Get a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function get_item( $request ) {
-
-		// Fetch the item.
-		$object = $this->get_object( $request['id'] );
-
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Generate a response.
-		return rest_ensure_response( $this->prepare_item_for_response( $object, $request ) );
-
-	}
-
-	/**
-	 * Create a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function create_item( $request ) {
-
-		// Can not create an existing item.
-		if ( ! empty( $request['id'] ) ) {
-			/* translators: %s: post type */
-			return new WP_Error( "getpaid_rest_{$this->rest_base}_exists", __( 'Cannot create existing resource.', 'invoicing' ), array( 'status' => 400 ) );
-		}
-
-		// Generate a GetPaid_Data object from the request.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save the object.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save special fields.
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
-			$object->delete( true );
-			return $save_special;
-		}
-
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		$response = rest_ensure_response( $response );
-		$response->set_status( 201 );
-		$response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ) );
-
-		return $response;
-	}
-
-	/**
-	 * Update a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function update_item( $request ) {
-
-		// Fetch the item.
-		$object = $this->get_object( $request['id'] );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Prepare the item for saving.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save the item.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save special fields (those added via hooks).
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
-			return $save_special;
-		}
-
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		return rest_ensure_response( $response );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param GetPaid_Data    $object GetPaid_Data object.
-	 * @return array Links for the given object.
-	 */
-	protected function prepare_links( $object ) {
-
-		$links = array(
-			'self'       => array(
-				'href'   => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ),
-			),
-			'collection' => array(
-				'href'   => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the query params for collections of attachments.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params = parent::get_collection_params();
-		$params['context']['default'] = 'view';
-		return $params;
-	}
-
-	/**
-	 * Only return writable props from schema.
-	 *
-	 * @param  array $schema Schema.
-	 * @return bool
-	 */
-	public function filter_writable_props( $schema ) {
-		return empty( $schema['readonly'] );
-	}
-
-	/**
-	 * Prepare a single object for create or update.
-	 *
-	 * @since 1.0.19
-	 * @param  WP_REST_Request $request Request object.
-	 * @return GetPaid_Data|WP_Error Data object or WP_Error.
-	 */
-	protected function prepare_item_for_database( $request ) {
-
-		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
-		}
-
-		// Prepare the object.
-		$id        = isset( $request['id'] ) ? absint( $request['id'] ) : 0;
-		$object    = new $this->crud_class( $id );
-
-		// Abort if an error exists.
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'invalid_item', $object->last_error );
-		}
-
-		$schema    = $this->get_item_schema();
-		$data_keys = array_keys( array_filter( $schema['properties'], array( $this, 'filter_writable_props' ) ) );
-
-		// Handle all writable props.
-		foreach ( $data_keys as $key ) {
-			$value = $request[ $key ];
-
-			if ( ! is_null( $value ) ) {
-				switch ( $key ) {
-
-					case 'meta_data':
-						if ( is_array( $value ) ) {
-							foreach ( $value as $meta ) {
-								$object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
-							}
-						}
-						break;
-
-					default:
-						if ( is_callable( array( $object, "set_{$key}" ) ) ) {
-							$object->{"set_{$key}"}( $value );
-						}
-						break;
-				}
-			}
-
-		}
-
-		// Filters an object before it is inserted via the REST API..
-		return apply_filters( "getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request );
-	}
-
-	/**
-	 * Retrieves data from a GetPaid class.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Meta_Data[]    $meta_data  meta data objects.
-	 * @return array
-	 */
-	protected function prepare_object_meta_data( $meta_data ) {
-		$meta = array();
-
-		foreach( $meta_data as $object ) {
-			$meta[] = $object->get_data();
-		}
-
-		return $meta;
-	}
-
-	/**
-	 * Retrieves invoice items.
-	 *
-	 * @since  1.0.19
-	 * @param  WPInv_Invoice $invoice  Invoice items.
-	 * @param array            $fields Fields to include.
-	 * @return array
-	 */
-	protected function prepare_invoice_items( $invoice ) {
-		$items = array();
-
-		foreach( $invoice->get_items() as $item ) {
-
-			$item_data = $item->prepare_data_for_saving();
-
-			if ( 'amount' == $invoice->get_template() ) {
-				$item_data['quantity'] = 1;
-			}
-
-			$items[] = $item_data;
-		}
-
-		return $items;
-	}
-
-	/**
-	 * Retrieves data from a GetPaid class.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data    $object  Data object.
-	 * @param array            $fields Fields to include.
-	 * @param string           $context either view or edit.
-	 * @return array
-	 */
-	protected function prepare_object_data( $object, $fields, $context = 'view' ) {
-
-		$data = array();
-
-		// Handle all writable props.
-		foreach ( array_keys( $this->get_schema_properties() ) as $key ) {
-
-			// Abort if it is not included.
-			if ( ! empty( $fields ) && ! $this->is_field_included( $key, $fields ) ) {
-				continue;
-			}
-
-			// Or this current object does not support the field.
-			if ( ! $this->object_supports_field( $object, $key ) ) {
-				continue;
-			}
-
-			// Handle meta data.
-			if ( $key == 'meta_data' ) {
-				$data['meta_data'] = $this->prepare_object_meta_data( $object->get_meta_data() );
-				continue;
-			}
-
-			// Handle items.
-			if ( $key == 'items' && is_a( $object, 'WPInv_Invoice' )  ) {
-				$data['items'] = $this->prepare_invoice_items( $object );
-				continue;
-			}
-
-			// Booleans.
-			if ( is_callable( array( $object, $key ) ) ) {
-				$data[ $key ] = $object->$key( $context );
-				continue;
-			}
-
-			// Get object value.
-			if ( is_callable( array( $object, "get_{$key}" ) ) ) {
-				$value = $object->{"get_{$key}"}( $context );
-
-				// If the value is an instance of GetPaid_Data...
-				if ( is_a( $value, 'GetPaid_Data' ) ) {
-					$value = $value->get_data( $context );
-				}
-
-				// For objects, retrieves it's properties.
-				$data[ $key ] = is_object( $value ) ? get_object_vars( $value ) :  $value ;
-				continue;
-			}
-
-		}
-
-		return $data;
-	}
-
-	/**
-	 * Checks if a key should be included in a response.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data $object  Data object.
-	 * @param  string       $field_key The key to check for.
-	 * @return bool
-	 */
-	public function object_supports_field( $object, $field_key ) {
-		return apply_filters( 'getpaid_rest_object_supports_key', true, $object, $field_key );
-	}
-
-	/**
-	 * Prepare a single object output for response.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data    $object  Data object.
-	 * @param  WP_REST_Request $request Request object.
-	 * @return WP_REST_Response
-	 */
-	public function prepare_item_for_response( $object, $request ) {
-		remove_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10 );
-
-		$this->data_object = $object;
-
-		// Fetch the fields to include in this response.
-		$fields = $this->get_fields_for_response( $request );
-
-		// Prepare object data.
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->prepare_object_data( $object, $fields, $context );
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->limit_object_to_requested_fields( $data, $fields );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Prepare the response.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $object, $request ) );
-
-		// Filter item response.
-		return apply_filters( "getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request );
-	}
+    /**
+     * Contains this controller's class name.
+     *
+     * @var string
+     */
+    public $crud_class;
+
+    /**
+     * Contains the current CRUD object.
+     *
+     * @var GetPaid_Data
+     */
+    protected $data_object;
+
+    /**
+     * Registers the routes for the objects of the controller.
+     *
+     * @since 1.0.19
+     *
+     * @see register_rest_route()
+     */
+    public function register_namespace_routes( $namespace ) {
+
+        register_rest_route(
+            $namespace,
+            '/' . $this->rest_base,
+            array(
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_items' ),
+                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
+                    'args'                => $this->get_collection_params(),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::CREATABLE,
+                    'callback'            => array( $this, 'create_item' ),
+                    'permission_callback' => array( $this, 'create_item_permissions_check' ),
+                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+                ),
+                'schema' => array( $this, 'get_public_item_schema' ),
+            )
+        );
+
+        $get_item_args = array(
+            'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+        );
+
+        register_rest_route(
+            $namespace,
+            '/' . $this->rest_base . '/(?P<id>[\d]+)',
+            array(
+                'args'   => array(
+                    'id' => array(
+                        'description' => __( 'Unique identifier for the object.', 'invoicing' ),
+                        'type'        => 'integer',
+                    ),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_item' ),
+                    'permission_callback' => array( $this, 'get_item_permissions_check' ),
+                    'args'                => $get_item_args,
+                ),
+                array(
+                    'methods'             => WP_REST_Server::EDITABLE,
+                    'callback'            => array( $this, 'update_item' ),
+                    'permission_callback' => array( $this, 'update_item_permissions_check' ),
+                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::DELETABLE,
+                    'callback'            => array( $this, 'delete_item' ),
+                    'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+                    'args'                => array(
+                        'force' => array(
+                            'type'        => 'boolean',
+                            'default'     => false,
+                            'description' => __( 'Whether to bypass Trash and force deletion.', 'invoicing' ),
+                        ),
+                    ),
+                ),
+                'schema' => array( $this, 'get_public_item_schema' ),
+            )
+        );
+
+    }
+
+    /**
+     * Saves a single object.
+     *
+     * @param GetPaid_Data $object Object to save.
+     * @return WP_Error|GetPaid_Data
+     */
+    protected function save_object( $object ) {
+        $object->save();
+
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'rest_cannot_save', $object->last_error, array( 'status' => 400 ) );
+        }
+
+        return new $this->crud_class( $object->get_id() );
+    }
+
+    /**
+     * Retrieves a single object.
+     *
+     * @since 1.0.13
+     *
+     * @param int|WP_Post $object_id Supplied ID.
+     * @return GetPaid_Data|WP_Error GetPaid_Data object if ID is valid, WP_Error otherwise.
+     */
+    protected function get_object( $object_id ) {
+
+        // Do we have an object?
+        if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
+            return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+        }
+
+        // Fetch the object.
+        $object = new $this->crud_class( $object_id );
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'rest_object_invalid_id', $object->last_error, array( 'status' => 404 ) );
+        }
+
+        $this->data_object = $object;
+        return $object->get_id() ? $object : new WP_Error( 'rest_object_invalid_id', __( 'Invalid ID.', 'invoicing' ), array( 'status' => 404 ) );
+
+    }
+
+    /**
+     * Get a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function get_item( $request ) {
+
+        // Fetch the item.
+        $object = $this->get_object( $request['id'] );
+
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Generate a response.
+        return rest_ensure_response( $this->prepare_item_for_response( $object, $request ) );
+
+    }
+
+    /**
+     * Create a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function create_item( $request ) {
+
+        // Can not create an existing item.
+        if ( ! empty( $request['id'] ) ) {
+            /* translators: %s: post type */
+            return new WP_Error( "getpaid_rest_{$this->rest_base}_exists", __( 'Cannot create existing resource.', 'invoicing' ), array( 'status' => 400 ) );
+        }
+
+        // Generate a GetPaid_Data object from the request.
+        $object = $this->prepare_item_for_database( $request );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save the object.
+        $object = $this->save_object( $object );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save special fields.
+        $save_special = $this->update_additional_fields_for_object( $object, $request );
+        if ( is_wp_error( $save_special ) ) {
+            $object->delete( true );
+            return $save_special;
+        }
+
+        $request->set_param( 'context', 'edit' );
+        $response = $this->prepare_item_for_response( $object, $request );
+        $response = rest_ensure_response( $response );
+        $response->set_status( 201 );
+        $response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ) );
+
+        return $response;
+    }
+
+    /**
+     * Update a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function update_item( $request ) {
+
+        // Fetch the item.
+        $object = $this->get_object( $request['id'] );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Prepare the item for saving.
+        $object = $this->prepare_item_for_database( $request );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save the item.
+        $object = $this->save_object( $object );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save special fields (those added via hooks).
+        $save_special = $this->update_additional_fields_for_object( $object, $request );
+        if ( is_wp_error( $save_special ) ) {
+            return $save_special;
+        }
+
+        $request->set_param( 'context', 'edit' );
+        $response = $this->prepare_item_for_response( $object, $request );
+        return rest_ensure_response( $response );
+    }
+
+    /**
+     * Prepare links for the request.
+     *
+     * @param GetPaid_Data    $object GetPaid_Data object.
+     * @return array Links for the given object.
+     */
+    protected function prepare_links( $object ) {
+
+        $links = array(
+            'self'       => array(
+                'href'   => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ),
+            ),
+            'collection' => array(
+                'href'   => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
+            ),
+        );
+
+        return $links;
+    }
+
+    /**
+     * Get the query params for collections of attachments.
+     *
+     * @return array
+     */
+    public function get_collection_params() {
+        $params = parent::get_collection_params();
+        $params['context']['default'] = 'view';
+        return $params;
+    }
+
+    /**
+     * Only return writable props from schema.
+     *
+     * @param  array $schema Schema.
+     * @return bool
+     */
+    public function filter_writable_props( $schema ) {
+        return empty( $schema['readonly'] );
+    }
+
+    /**
+     * Prepare a single object for create or update.
+     *
+     * @since 1.0.19
+     * @param  WP_REST_Request $request Request object.
+     * @return GetPaid_Data|WP_Error Data object or WP_Error.
+     */
+    protected function prepare_item_for_database( $request ) {
+
+        // Do we have an object?
+        if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
+            return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+        }
+
+        // Prepare the object.
+        $id        = isset( $request['id'] ) ? absint( $request['id'] ) : 0;
+        $object    = new $this->crud_class( $id );
+
+        // Abort if an error exists.
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'invalid_item', $object->last_error );
+        }
+
+        $schema    = $this->get_item_schema();
+        $data_keys = array_keys( array_filter( $schema['properties'], array( $this, 'filter_writable_props' ) ) );
+
+        // Handle all writable props.
+        foreach ( $data_keys as $key ) {
+            $value = $request[ $key ];
+
+            if ( ! is_null( $value ) ) {
+                switch ( $key ) {
+
+                    case 'meta_data':
+                        if ( is_array( $value ) ) {
+                            foreach ( $value as $meta ) {
+                                $object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
+                            }
+                        }
+                        break;
+
+                    default:
+                        if ( is_callable( array( $object, "set_{$key}" ) ) ) {
+                            $object->{"set_{$key}"}( $value );
+                        }
+                        break;
+                }
+            }
+
+        }
+
+        // Filters an object before it is inserted via the REST API..
+        return apply_filters( "getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request );
+    }
+
+    /**
+     * Retrieves data from a GetPaid class.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Meta_Data[]    $meta_data  meta data objects.
+     * @return array
+     */
+    protected function prepare_object_meta_data( $meta_data ) {
+        $meta = array();
+
+        foreach( $meta_data as $object ) {
+            $meta[] = $object->get_data();
+        }
+
+        return $meta;
+    }
+
+    /**
+     * Retrieves invoice items.
+     *
+     * @since  1.0.19
+     * @param  WPInv_Invoice $invoice  Invoice items.
+     * @param array            $fields Fields to include.
+     * @return array
+     */
+    protected function prepare_invoice_items( $invoice ) {
+        $items = array();
+
+        foreach( $invoice->get_items() as $item ) {
+
+            $item_data = $item->prepare_data_for_saving();
+
+            if ( 'amount' == $invoice->get_template() ) {
+                $item_data['quantity'] = 1;
+            }
+
+            $items[] = $item_data;
+        }
+
+        return $items;
+    }
+
+    /**
+     * Retrieves data from a GetPaid class.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data    $object  Data object.
+     * @param array            $fields Fields to include.
+     * @param string           $context either view or edit.
+     * @return array
+     */
+    protected function prepare_object_data( $object, $fields, $context = 'view' ) {
+
+        $data = array();
+
+        // Handle all writable props.
+        foreach ( array_keys( $this->get_schema_properties() ) as $key ) {
+
+            // Abort if it is not included.
+            if ( ! empty( $fields ) && ! $this->is_field_included( $key, $fields ) ) {
+                continue;
+            }
+
+            // Or this current object does not support the field.
+            if ( ! $this->object_supports_field( $object, $key ) ) {
+                continue;
+            }
+
+            // Handle meta data.
+            if ( $key == 'meta_data' ) {
+                $data['meta_data'] = $this->prepare_object_meta_data( $object->get_meta_data() );
+                continue;
+            }
+
+            // Handle items.
+            if ( $key == 'items' && is_a( $object, 'WPInv_Invoice' )  ) {
+                $data['items'] = $this->prepare_invoice_items( $object );
+                continue;
+            }
+
+            // Booleans.
+            if ( is_callable( array( $object, $key ) ) ) {
+                $data[ $key ] = $object->$key( $context );
+                continue;
+            }
+
+            // Get object value.
+            if ( is_callable( array( $object, "get_{$key}" ) ) ) {
+                $value = $object->{"get_{$key}"}( $context );
+
+                // If the value is an instance of GetPaid_Data...
+                if ( is_a( $value, 'GetPaid_Data' ) ) {
+                    $value = $value->get_data( $context );
+                }
+
+                // For objects, retrieves it's properties.
+                $data[ $key ] = is_object( $value ) ? get_object_vars( $value ) :  $value ;
+                continue;
+            }
+
+        }
+
+        return $data;
+    }
+
+    /**
+     * Checks if a key should be included in a response.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data $object  Data object.
+     * @param  string       $field_key The key to check for.
+     * @return bool
+     */
+    public function object_supports_field( $object, $field_key ) {
+        return apply_filters( 'getpaid_rest_object_supports_key', true, $object, $field_key );
+    }
+
+    /**
+     * Prepare a single object output for response.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data    $object  Data object.
+     * @param  WP_REST_Request $request Request object.
+     * @return WP_REST_Response
+     */
+    public function prepare_item_for_response( $object, $request ) {
+        remove_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10 );
+
+        $this->data_object = $object;
+
+        // Fetch the fields to include in this response.
+        $fields = $this->get_fields_for_response( $request );
+
+        // Prepare object data.
+        $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+        $data    = $this->prepare_object_data( $object, $fields, $context );
+        $data    = $this->add_additional_fields_to_object( $data, $request );
+        $data    = $this->limit_object_to_requested_fields( $data, $fields );
+        $data    = $this->filter_response_by_context( $data, $context );
+
+        // Prepare the response.
+        $response = rest_ensure_response( $data );
+        $response->add_links( $this->prepare_links( $object, $request ) );
+
+        // Filter item response.
+        return apply_filters( "getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request );
+    }
 
 }