| Total Complexity | 46 |
| Total Lines | 603 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Taxes often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Taxes, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | class Taxes extends AbstractController { |
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| 20 | |||
| 21 | /** |
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| 22 | * Route base. |
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| 23 | * |
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| 24 | * @var string |
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| 25 | */ |
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| 26 | protected $rest_base = 'taxes'; |
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| 27 | |||
| 28 | /** |
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| 29 | * Permission to check. |
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| 30 | * |
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| 31 | * @var string |
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| 32 | */ |
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| 33 | protected $resource_type = 'settings'; |
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| 34 | |||
| 35 | /** |
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| 36 | * Register the routes for taxes. |
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| 37 | */ |
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| 38 | public function register_routes() { |
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| 39 | register_rest_route( |
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| 40 | $this->namespace, |
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| 41 | '/' . $this->rest_base, |
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| 42 | array( |
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| 43 | array( |
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| 44 | 'methods' => \WP_REST_Server::READABLE, |
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| 45 | 'callback' => array( $this, 'get_items' ), |
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| 46 | 'permission_callback' => array( $this, 'get_items_permissions_check' ), |
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| 47 | 'args' => $this->get_collection_params(), |
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| 48 | ), |
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| 49 | array( |
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| 50 | 'methods' => \WP_REST_Server::CREATABLE, |
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| 51 | 'callback' => array( $this, 'create_item' ), |
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| 52 | 'permission_callback' => array( $this, 'create_item_permissions_check' ), |
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| 53 | 'args' => $this->get_endpoint_args_for_item_schema( \WP_REST_Server::CREATABLE ), |
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| 54 | ), |
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| 55 | 'schema' => array( $this, 'get_public_item_schema' ), |
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| 56 | ), |
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| 57 | true |
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| 58 | ); |
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| 59 | |||
| 60 | register_rest_route( |
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| 61 | $this->namespace, |
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| 62 | '/' . $this->rest_base . '/(?P<id>[\d]+)', |
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| 63 | array( |
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| 64 | 'args' => array( |
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| 65 | 'id' => array( |
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| 66 | 'description' => __( 'Unique identifier for the resource.', 'woocommerce' ), |
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| 67 | 'type' => 'integer', |
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| 68 | ), |
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| 69 | ), |
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| 70 | array( |
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| 71 | 'methods' => \WP_REST_Server::READABLE, |
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| 72 | 'callback' => array( $this, 'get_item' ), |
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| 73 | 'permission_callback' => array( $this, 'get_item_permissions_check' ), |
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| 74 | 'args' => array( |
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| 75 | 'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
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| 76 | ), |
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| 77 | ), |
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| 78 | array( |
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| 79 | 'methods' => \WP_REST_Server::EDITABLE, |
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| 80 | 'callback' => array( $this, 'update_item' ), |
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| 81 | 'permission_callback' => array( $this, 'update_item_permissions_check' ), |
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| 82 | 'args' => $this->get_endpoint_args_for_item_schema( \WP_REST_Server::EDITABLE ), |
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| 83 | ), |
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| 84 | array( |
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| 85 | 'methods' => \WP_REST_Server::DELETABLE, |
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| 86 | 'callback' => array( $this, 'delete_item' ), |
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| 87 | 'permission_callback' => array( $this, 'delete_item_permissions_check' ), |
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| 88 | 'args' => array( |
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| 89 | 'force' => array( |
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| 90 | 'default' => false, |
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| 91 | 'type' => 'boolean', |
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| 92 | 'description' => __( 'Required to be true, as resource does not support trashing.', 'woocommerce' ), |
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| 93 | ), |
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| 94 | ), |
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| 95 | ), |
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| 96 | 'schema' => array( $this, 'get_public_item_schema' ), |
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| 97 | ), |
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| 98 | true |
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| 99 | ); |
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| 100 | |||
| 101 | $this->register_batch_route(); |
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| 102 | } |
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| 103 | |||
| 104 | /** |
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| 105 | * Get all taxes and allow filtering by tax code. |
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| 106 | * |
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| 107 | * @param \WP_REST_Request $request Full details about the request. |
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| 108 | * @return \WP_Error|\WP_REST_Response |
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| 109 | */ |
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| 110 | public function get_items( $request ) { |
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| 111 | global $wpdb; |
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| 112 | |||
| 113 | $prepared_args = array(); |
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| 114 | $prepared_args['order'] = $request['order']; |
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| 115 | $prepared_args['number'] = $request['per_page']; |
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| 116 | if ( ! empty( $request['offset'] ) ) { |
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| 117 | $prepared_args['offset'] = $request['offset']; |
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| 118 | } else { |
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| 119 | $prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number']; |
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| 120 | } |
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| 121 | $orderby_possibles = array( |
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| 122 | 'id' => 'tax_rate_id', |
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| 123 | 'order' => 'tax_rate_order', |
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| 124 | ); |
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| 125 | $prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ]; |
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| 126 | $prepared_args['class'] = $request['class']; |
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| 127 | $prepared_args['code'] = $request['code']; |
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| 128 | $prepared_args['include'] = $request['include']; |
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| 129 | |||
| 130 | /** |
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| 131 | * Filter arguments, before passing to $wpdb->get_results(), when querying taxes via the REST API. |
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| 132 | * |
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| 133 | * @param array $prepared_args Array of arguments for $wpdb->get_results(). |
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| 134 | * @param \WP_REST_Request $request The current request. |
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| 135 | */ |
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| 136 | $prepared_args = apply_filters( 'woocommerce_rest_tax_query', $prepared_args, $request ); |
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| 137 | |||
| 138 | $query = " |
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| 139 | SELECT * |
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| 140 | FROM {$wpdb->prefix}woocommerce_tax_rates |
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| 141 | WHERE 1 = 1 |
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| 142 | "; |
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| 143 | |||
| 144 | // Filter by tax class. |
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| 145 | if ( ! empty( $prepared_args['class'] ) ) { |
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| 146 | $class = 'standard' !== $prepared_args['class'] ? sanitize_title( $prepared_args['class'] ) : ''; |
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| 147 | $query .= " AND tax_rate_class = '$class'"; |
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| 148 | } |
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| 149 | |||
| 150 | // Filter by tax code. |
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| 151 | $tax_code_search = $prepared_args['code']; |
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| 152 | if ( $tax_code_search ) { |
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| 153 | $tax_code_search = $wpdb->esc_like( $tax_code_search ); |
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| 154 | $tax_code_search = ' \'%' . $tax_code_search . '%\''; |
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| 155 | $query .= ' AND CONCAT_WS( "-", NULLIF(tax_rate_country, ""), NULLIF(tax_rate_state, ""), NULLIF(tax_rate_name, ""), NULLIF(tax_rate_priority, "") ) LIKE ' . $tax_code_search; |
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| 156 | } |
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| 157 | |||
| 158 | // Filter by included tax rate IDs. |
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| 159 | $included_taxes = $prepared_args['include']; |
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| 160 | if ( ! empty( $included_taxes ) ) { |
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| 161 | $included_taxes = implode( ',', $prepared_args['include'] ); |
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| 162 | $query .= " AND tax_rate_id IN ({$included_taxes})"; |
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| 163 | } |
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| 164 | |||
| 165 | // Order tax rates. |
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| 166 | $order_by = sprintf( ' ORDER BY %s', sanitize_key( $prepared_args['orderby'] ) ); |
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| 167 | |||
| 168 | // Pagination. |
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| 169 | $pagination = sprintf( ' LIMIT %d, %d', $prepared_args['offset'], $prepared_args['number'] ); |
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| 170 | |||
| 171 | // Query taxes. |
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| 172 | $results = $wpdb->get_results( $query . $order_by . $pagination ); // @codingStandardsIgnoreLine. |
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| 173 | |||
| 174 | $taxes = array(); |
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| 175 | foreach ( $results as $tax ) { |
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| 176 | $data = $this->prepare_item_for_response( $tax, $request ); |
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| 177 | $taxes[] = $this->prepare_response_for_collection( $data ); |
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| 178 | } |
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| 179 | |||
| 180 | // Store pagination values for headers then unset for count query. |
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| 181 | $per_page = (int) $prepared_args['number']; |
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| 182 | $page = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 ); |
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| 183 | |||
| 184 | // Query only for ids. |
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| 185 | $wpdb->get_results( str_replace( 'SELECT *', 'SELECT tax_rate_id', $query ) ); // @codingStandardsIgnoreLine. |
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| 186 | |||
| 187 | // Calculate totals. |
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| 188 | $total_taxes = (int) $wpdb->num_rows; |
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| 189 | $max_pages = ceil( $total_taxes / $per_page ); |
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| 190 | |||
| 191 | $response = rest_ensure_response( $taxes ); |
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| 192 | $response = Pagination::add_pagination_headers( $response, $request, $total_taxes, $max_pages ); |
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| 193 | |||
| 194 | return $response; |
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| 195 | } |
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| 196 | |||
| 197 | /** |
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| 198 | * Take tax data from the request and return the updated or newly created rate. |
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| 199 | * |
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| 200 | * @param \WP_REST_Request $request Full details about the request. |
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| 201 | * @param \stdClass|null $current Existing tax object. |
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| 202 | * @return object |
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| 203 | */ |
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| 204 | protected function create_or_update_tax( $request, $current = null ) { |
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| 265 | } |
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| 266 | |||
| 267 | /** |
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| 268 | * Create a single tax. |
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| 269 | * |
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| 270 | * @param \WP_REST_Request $request Full details about the request. |
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| 271 | * @return \WP_Error|\WP_REST_Response |
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| 272 | */ |
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| 273 | public function create_item( $request ) { |
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| 274 | if ( ! empty( $request['id'] ) ) { |
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| 275 | return new \WP_Error( 'woocommerce_rest_tax_exists', __( 'Cannot create existing resource.', 'woocommerce' ), array( 'status' => 400 ) ); |
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| 276 | } |
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| 277 | |||
| 278 | $tax = $this->create_or_update_tax( $request ); |
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| 279 | |||
| 280 | $this->update_additional_fields_for_object( $tax, $request ); |
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| 281 | |||
| 282 | /** |
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| 283 | * Fires after a tax is created or updated via the REST API. |
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| 284 | * |
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| 285 | * @param \stdClass $tax Data used to create the tax. |
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| 286 | * @param \WP_REST_Request $request Request object. |
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| 287 | * @param boolean $creating True when creating tax, false when updating tax. |
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| 288 | */ |
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| 289 | do_action( 'woocommerce_rest_insert_tax', $tax, $request, true ); |
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| 290 | |||
| 291 | $request->set_param( 'context', 'edit' ); |
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| 292 | $response = $this->prepare_item_for_response( $tax, $request ); |
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| 293 | $response = rest_ensure_response( $response ); |
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| 294 | $response->set_status( 201 ); |
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| 295 | $response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $tax->tax_rate_id ) ) ); |
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| 296 | |||
| 297 | return $response; |
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| 298 | } |
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| 299 | |||
| 300 | /** |
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| 301 | * Get a single tax. |
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| 302 | * |
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| 303 | * @param \WP_REST_Request $request Full details about the request. |
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| 304 | * @return \WP_Error|\WP_REST_Response |
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| 305 | */ |
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| 306 | public function get_item( $request ) { |
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| 307 | $id = (int) $request['id']; |
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| 308 | $tax_obj = \WC_Tax::_get_tax_rate( $id, OBJECT ); |
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| 309 | |||
| 310 | if ( empty( $id ) || empty( $tax_obj ) ) { |
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| 311 | return new \WP_Error( 'woocommerce_rest_invalid_id', __( 'Invalid resource ID.', 'woocommerce' ), array( 'status' => 404 ) ); |
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| 312 | } |
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| 313 | |||
| 314 | $tax = $this->prepare_item_for_response( $tax_obj, $request ); |
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| 315 | $response = rest_ensure_response( $tax ); |
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| 316 | |||
| 317 | return $response; |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * Update a single tax. |
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| 322 | * |
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| 323 | * @param \WP_REST_Request $request Full details about the request. |
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| 324 | * @return \WP_Error|\WP_REST_Response |
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| 325 | */ |
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| 326 | public function update_item( $request ) { |
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| 327 | $id = (int) $request['id']; |
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| 328 | $tax_obj = \WC_Tax::_get_tax_rate( $id, OBJECT ); |
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| 329 | |||
| 330 | if ( empty( $id ) || empty( $tax_obj ) ) { |
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| 331 | return new \WP_Error( 'woocommerce_rest_invalid_id', __( 'Invalid resource ID.', 'woocommerce' ), array( 'status' => 404 ) ); |
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| 332 | } |
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| 333 | |||
| 334 | $tax = $this->create_or_update_tax( $request, $tax_obj ); |
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| 335 | |||
| 336 | $this->update_additional_fields_for_object( $tax, $request ); |
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| 337 | |||
| 338 | /** |
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| 339 | * Fires after a tax is created or updated via the REST API. |
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| 340 | * |
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| 341 | * @param \stdClass $tax Data used to create the tax. |
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| 342 | * @param \WP_REST_Request $request Request object. |
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| 343 | * @param boolean $creating True when creating tax, false when updating tax. |
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| 344 | */ |
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| 345 | do_action( 'woocommerce_rest_insert_tax', $tax, $request, false ); |
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| 346 | |||
| 347 | $request->set_param( 'context', 'edit' ); |
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| 348 | $response = $this->prepare_item_for_response( $tax, $request ); |
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| 349 | $response = rest_ensure_response( $response ); |
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| 350 | |||
| 351 | return $response; |
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| 352 | } |
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| 353 | |||
| 354 | /** |
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| 355 | * Delete a single tax. |
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| 356 | * |
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| 357 | * @param \WP_REST_Request $request Full details about the request. |
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| 358 | * @return \WP_Error|\WP_REST_Response |
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| 359 | */ |
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| 360 | public function delete_item( $request ) { |
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| 361 | global $wpdb; |
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| 362 | |||
| 363 | $id = (int) $request['id']; |
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| 364 | $force = isset( $request['force'] ) ? (bool) $request['force'] : false; |
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| 365 | |||
| 366 | // We don't support trashing for this type, error out. |
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| 367 | if ( ! $force ) { |
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| 368 | return new \WP_Error( 'woocommerce_rest_trash_not_supported', __( 'Taxes do not support trashing.', 'woocommerce' ), array( 'status' => 501 ) ); |
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| 369 | } |
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| 370 | |||
| 371 | $tax = \WC_Tax::_get_tax_rate( $id, OBJECT ); |
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| 372 | |||
| 373 | if ( empty( $id ) || empty( $tax ) ) { |
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| 374 | return new \WP_Error( 'woocommerce_rest_invalid_id', __( 'Invalid resource ID.', 'woocommerce' ), array( 'status' => 400 ) ); |
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| 375 | } |
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| 376 | |||
| 377 | $request->set_param( 'context', 'edit' ); |
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| 378 | $response = $this->prepare_item_for_response( $tax, $request ); |
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| 379 | |||
| 380 | \WC_Tax::_delete_tax_rate( $id ); |
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| 381 | |||
| 382 | if ( 0 === $wpdb->rows_affected ) { |
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| 383 | return new \WP_Error( 'woocommerce_rest_cannot_delete', __( 'The resource cannot be deleted.', 'woocommerce' ), array( 'status' => 500 ) ); |
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| 384 | } |
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| 385 | |||
| 386 | /** |
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| 387 | * Fires after a tax is deleted via the REST API. |
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| 388 | * |
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| 389 | * @param \stdClass $tax The tax data. |
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| 390 | * @param \WP_REST_Response $response The response returned from the API. |
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| 391 | * @param \WP_REST_Request $request The request sent to the API. |
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| 392 | */ |
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| 393 | do_action( 'woocommerce_rest_delete_tax', $tax, $response, $request ); |
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| 394 | |||
| 395 | return $response; |
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| 396 | } |
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| 397 | |||
| 398 | /** |
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| 399 | * Get data for this object in the format of this endpoint's schema. |
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| 400 | * |
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| 401 | * @param \stdClass $object Object to prepare. |
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| 402 | * @param \WP_REST_Request $request Request object. |
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| 403 | * @return array Array of data in the correct format. |
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| 404 | */ |
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| 405 | protected function get_data_for_response( $object, $request ) { |
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| 406 | global $wpdb; |
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| 407 | |||
| 408 | $id = (int) $object->tax_rate_id; |
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| 409 | $data = array( |
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| 410 | 'id' => $id, |
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| 411 | 'country' => $object->tax_rate_country, |
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| 412 | 'state' => $object->tax_rate_state, |
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| 413 | 'postcode' => '', |
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| 414 | 'city' => '', |
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| 415 | 'rate' => $object->tax_rate, |
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| 416 | 'name' => $object->tax_rate_name, |
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| 417 | 'priority' => (int) $object->tax_rate_priority, |
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| 418 | 'compound' => (bool) $object->tax_rate_compound, |
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| 419 | 'shipping' => (bool) $object->tax_rate_shipping, |
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| 420 | 'order' => (int) $object->tax_rate_order, |
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| 421 | 'class' => $object->tax_rate_class ? $object->tax_rate_class : 'standard', |
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| 422 | ); |
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| 423 | |||
| 424 | // Get locales from a tax rate. |
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| 425 | $locales = $wpdb->get_results( |
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| 426 | $wpdb->prepare( |
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| 427 | " |
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| 428 | SELECT location_code, location_type |
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| 429 | FROM {$wpdb->prefix}woocommerce_tax_rate_locations |
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| 430 | WHERE tax_rate_id = %d |
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| 431 | ", |
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| 432 | $id |
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| 433 | ) |
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| 434 | ); |
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| 435 | |||
| 436 | if ( ! is_wp_error( $locales ) && ! is_null( $locales ) ) { |
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| 437 | foreach ( $locales as $locale ) { |
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| 438 | $data[ $locale->location_type ] = $locale->location_code; |
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| 439 | } |
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| 440 | } |
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| 441 | return $data; |
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| 442 | } |
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| 443 | |||
| 444 | /** |
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| 445 | * Prepare links for the request. |
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| 446 | * |
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| 447 | * @param mixed $item Object to prepare. |
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| 448 | * @param \WP_REST_Request $request Request object. |
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| 449 | * @return array |
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| 450 | */ |
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| 451 | protected function prepare_links( $item, $request ) { |
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| 452 | $links = array( |
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| 453 | 'self' => array( |
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| 454 | 'href' => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $item->tax_rate_id ) ), |
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| 455 | ), |
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| 456 | 'collection' => array( |
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| 457 | 'href' => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ), |
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| 458 | ), |
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| 459 | ); |
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| 460 | |||
| 461 | return $links; |
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| 462 | } |
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| 463 | |||
| 464 | /** |
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| 465 | * Get the Taxes schema, conforming to JSON Schema. |
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| 466 | * |
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| 467 | * @return array |
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| 468 | */ |
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| 469 | public function get_item_schema() { |
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| 470 | $schema = array( |
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| 471 | '$schema' => 'http://json-schema.org/draft-04/schema#', |
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| 472 | 'title' => 'tax', |
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| 473 | 'type' => 'object', |
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| 474 | 'properties' => array( |
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| 475 | 'id' => array( |
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| 476 | 'description' => __( 'Unique identifier for the resource.', 'woocommerce' ), |
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| 477 | 'type' => 'integer', |
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| 478 | 'context' => array( 'view', 'edit' ), |
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| 479 | 'readonly' => true, |
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| 480 | ), |
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| 481 | 'country' => array( |
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| 482 | 'description' => __( 'Country ISO 3166 code.', 'woocommerce' ), |
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| 483 | 'type' => 'string', |
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| 484 | 'context' => array( 'view', 'edit' ), |
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| 485 | ), |
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| 486 | 'state' => array( |
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| 487 | 'description' => __( 'State code.', 'woocommerce' ), |
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| 488 | 'type' => 'string', |
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| 489 | 'context' => array( 'view', 'edit' ), |
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| 490 | ), |
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| 491 | 'postcode' => array( |
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| 492 | 'description' => __( 'Postcode / ZIP.', 'woocommerce' ), |
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| 493 | 'type' => 'string', |
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| 494 | 'context' => array( 'view', 'edit' ), |
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| 495 | ), |
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| 496 | 'city' => array( |
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| 497 | 'description' => __( 'City name.', 'woocommerce' ), |
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| 498 | 'type' => 'string', |
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| 499 | 'context' => array( 'view', 'edit' ), |
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| 500 | ), |
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| 501 | 'rate' => array( |
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| 502 | 'description' => __( 'Tax rate.', 'woocommerce' ), |
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| 503 | 'type' => 'string', |
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| 504 | 'context' => array( 'view', 'edit' ), |
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| 505 | ), |
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| 506 | 'name' => array( |
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| 507 | 'description' => __( 'Tax rate name.', 'woocommerce' ), |
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| 508 | 'type' => 'string', |
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| 509 | 'context' => array( 'view', 'edit' ), |
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| 510 | ), |
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| 511 | 'priority' => array( |
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| 512 | 'description' => __( 'Tax priority.', 'woocommerce' ), |
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| 513 | 'type' => 'integer', |
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| 514 | 'default' => 1, |
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| 515 | 'context' => array( 'view', 'edit' ), |
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| 516 | ), |
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| 517 | 'compound' => array( |
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| 518 | 'description' => __( 'Whether or not this is a compound rate.', 'woocommerce' ), |
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| 519 | 'type' => 'boolean', |
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| 520 | 'default' => false, |
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| 521 | 'context' => array( 'view', 'edit' ), |
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| 522 | ), |
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| 523 | 'shipping' => array( |
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| 524 | 'description' => __( 'Whether or not this tax rate also gets applied to shipping.', 'woocommerce' ), |
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| 525 | 'type' => 'boolean', |
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| 526 | 'default' => true, |
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| 527 | 'context' => array( 'view', 'edit' ), |
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| 528 | ), |
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| 529 | 'order' => array( |
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| 530 | 'description' => __( 'Indicates the order that will appear in queries.', 'woocommerce' ), |
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| 531 | 'type' => 'integer', |
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| 532 | 'context' => array( 'view', 'edit' ), |
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| 533 | ), |
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| 534 | 'class' => array( |
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| 535 | 'description' => __( 'Tax class.', 'woocommerce' ), |
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| 536 | 'type' => 'string', |
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| 537 | 'default' => 'standard', |
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| 538 | 'enum' => array_merge( array( 'standard' ), \WC_Tax::get_tax_class_slugs() ), |
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| 539 | 'context' => array( 'view', 'edit' ), |
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| 540 | ), |
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| 541 | ), |
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| 542 | ); |
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| 543 | |||
| 544 | return $this->add_additional_fields_schema( $schema ); |
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| 545 | } |
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| 546 | |||
| 547 | /** |
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| 548 | * Get the query params for collections. |
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| 549 | * |
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| 550 | * @return array |
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| 551 | */ |
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| 552 | public function get_collection_params() { |
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| 622 | } |
||
| 623 | } |
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| 624 |