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<?php namespace EmailLog\Addon; |
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defined( 'ABSPATH' ) || exit; // Exit if accessed directly. |
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/** |
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* Retrieve the list of add-ons and render them. |
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* |
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* @since 2.0.0 |
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*/ |
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class AddonList { |
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const CACHE_EXPIRY_IN_HRS = 12; |
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const CACHE_KEY = 'el_addon_data'; |
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/** |
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* Add-on list. |
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* |
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* @var Addon[] |
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*/ |
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protected $addons; |
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/** |
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* Store URL. |
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* |
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* @var string |
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*/ |
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protected $store_url; |
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/** |
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* Create a list of add-ons. |
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* |
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* @param Addon[]|null $addons List of Add-ons. If not passed, they will be automatically loaded. |
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* @param string|null $store_url Store url. |
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*/ |
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public function __construct( $addons = null, $store_url = null ) { |
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if ( null === $store_url ) { |
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$email_log = email_log(); |
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$store_url = $email_log->get_store_url(); |
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} |
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$this->store_url = $store_url; |
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if ( null === $addons ) { |
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$addons = $this->get_addons(); |
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} |
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$this->addons = $addons; |
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} |
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/** |
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* Get an add-on by name. |
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* |
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* @param string $name Add-on name. |
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* |
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* @return \EmailLog\Addon\Addon|false Add-on if found, False otherwise. |
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*/ |
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public function get_addon_by_name( $name ) { |
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if ( array_key_exists( $name, $this->addons ) ) { |
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return $this->addons[ $name ]; |
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} |
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return false; |
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} |
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/** |
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* Is an add-on active? |
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* |
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* @since 2.4.0 |
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* |
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* @param string $name Add-on name. |
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* |
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* @return bool True if add-on is present and is active, false otherwise. |
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*/ |
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public function is_addon_active( $name ) { |
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$addon = $this->get_addon_by_name( $name ); |
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if ( ! $addon instanceof Addon ) { |
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return false; |
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} |
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return $addon->is_active(); |
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} |
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/** |
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* Is an add-on installed? |
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* |
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* @since 2.4.0 |
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* |
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* @param string $name Add-on name. |
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* |
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* @return bool True if add-on is present and is installed, false otherwise. |
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*/ |
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public function is_addon_installed( $name ) { |
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$addon = $this->get_addon_by_name( $name ); |
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if ( ! $addon instanceof Addon ) { |
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return false; |
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} |
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return $addon->is_installed(); |
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} |
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/** |
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* Get all add-ons that are not active (either not installed or not activated). |
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* |
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* @return \EmailLog\Addon\Addon[] List of inactive add-ons. |
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*/ |
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public function get_inactive_addons() { |
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$inactive_addons = array(); |
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foreach ( $this->addons as $addon ) { |
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if ( ! $addon->is_active() ) { |
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$inactive_addons[] = $addon; |
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} |
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} |
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return $inactive_addons; |
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} |
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/** |
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* Setup page to render the list of add-ons. |
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*/ |
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public function render() { |
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?> |
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<div class="el-addon-list"> |
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<?php $this->render_addons(); ?> |
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</div> <!-- .el-container --> |
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<?php |
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} |
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/** |
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* Retrieve the list of add-ons by calling the store API. |
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* If the store API is down, then read the data from the local JSON file. |
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* |
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* @return Addon[] List of add-ons, empty array if API call fails. |
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*/ |
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public function get_addons() { |
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$json = get_transient( self::CACHE_KEY ); |
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if ( false === $json ) { |
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$response = wp_remote_get( $this->get_api_url() ); |
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if ( is_wp_error( $response ) || ! is_array( $response ) ) { |
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$json_string = $this->get_addon_data_from_local_file(); |
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} else { |
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$json_string = wp_remote_retrieve_body( $response ); |
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} |
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$json = json_decode( $json_string, true ); |
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if ( ! is_array( $json ) ) { |
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return array(); |
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} |
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set_transient( self::CACHE_KEY, $json, self::CACHE_EXPIRY_IN_HRS * HOUR_IN_SECONDS ); |
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} |
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return $this->parse_response( $json ); |
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} |
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/** |
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* Parse the response and get the list of add-on. |
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* |
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* @param array $data JSON Data array. |
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* |
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* @return array List of Add-ons. |
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*/ |
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protected function parse_response( $data ) { |
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if ( ! array_key_exists( 'products', $data ) ) { |
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return array(); |
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} |
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return $this->build_addon_list( $data['products'] ); |
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} |
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/** |
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* Build a list of Addon objects from products data array. |
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* |
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* @param array $products Products data array. |
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* |
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* @return Addon[] List of Addons. |
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*/ |
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protected function build_addon_list( $products ) { |
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$addons = array(); |
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foreach ( $products as $product ) { |
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$addon = new Addon( $product ); |
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$addons[ $addon->name ] = $addon; |
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} |
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return $addons; |
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} |
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/** |
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* Render the add-on list or display an error if the list can't be retrieved. |
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*/ |
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protected function render_addons() { |
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if ( empty( $this->addons ) ) { |
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$this->render_empty_list(); |
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} |
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foreach ( $this->addons as $addon ) { |
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$addon->render(); |
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} |
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} |
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/** |
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* Display a notice if the list of add-on can't be retrieved. |
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*/ |
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protected function render_empty_list() { |
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?> |
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<span class="el-addon-empty"> |
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<?php |
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printf( |
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__( 'We are not able to retrieve the add-on list now. Please visit the <a target="_blank" rel="noopener" href="%s">add-on page</a> to view the add-ons.', 'email-log' ), // @codingStandardsIgnoreLine |
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'https://wpemaillog.com/store/?utm_campaign=Upsell&utm_medium=wpadmin&utm_source=addon-grid-failed' |
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); |
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?> |
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</span> |
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<?php |
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} |
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/** |
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* Get API URL. |
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* |
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* @return string API URL. |
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*/ |
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protected function get_api_url() { |
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return $this->store_url . '/json/products.json'; |
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} |
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/** |
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* Read the add-on data from the local data file. |
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* |
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* @since 2.1 |
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* |
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* @return false|string JSON file content, False on failure. |
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*/ |
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private function get_addon_data_from_local_file() { |
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$email_log = email_log(); |
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$local_json_file_path = $email_log->get_plugin_path() . 'data/products.json'; |
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return file_get_contents( $local_json_file_path ); |
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} |
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} |
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