Created api functions to upload images

includes/api/wc-rest-coupons-controller.php

@@ -109,8 +109,8 @@ class WC_REST_Coupons_Controller extends WC_REST_Posts_Controller {
 			'id'                           => $coupon->id,
 			'code'                         => $coupon->code,
 			'type'                         => $coupon->type,
-			'created_at'                   => wc_api_prepare_date_response( $post->post_date_gmt ),
+			'created_at'                   => wc_rest_api_prepare_date_response( $post->post_date_gmt ),
-			'updated_at'                   => wc_api_prepare_date_response( $post->post_modified_gmt ),
+			'updated_at'                   => wc_rest_api_prepare_date_response( $post->post_modified_gmt ),
 			'amount'                       => wc_format_decimal( $coupon->coupon_amount, 2 ),
 			'individual_use'               => ( 'yes' === $coupon->individual_use ),
 			'product_ids'                  => array_map( 'absint', (array) $coupon->product_ids ),
@@ -119,7 +119,7 @@ class WC_REST_Coupons_Controller extends WC_REST_Posts_Controller {
 			'usage_limit_per_user'         => ( ! empty( $coupon->usage_limit_per_user ) ) ? $coupon->usage_limit_per_user : null,
 			'limit_usage_to_x_items'       => (int) $coupon->limit_usage_to_x_items,
 			'usage_count'                  => (int) $coupon->usage_count,
-			'expiry_date'                  => ( ! empty( $coupon->expiry_date ) ) ? wc_api_prepare_date_response( $coupon->expiry_date ) : null,
+			'expiry_date'                  => ( ! empty( $coupon->expiry_date ) ) ? wc_rest_api_prepare_date_response( $coupon->expiry_date ) : null,
 			'enable_free_shipping'         => $coupon->enable_free_shipping(),
 			'product_category_ids'         => array_map( 'absint', (array) $coupon->product_categories ),
 			'exclude_product_category_ids' => array_map( 'absint', (array) $coupon->exclude_product_categories ),

includes/api/wc-rest-customers-controller.php

@@ -485,15 +485,15 @@ class WC_REST_Customers_Controller extends WP_REST_Controller {
 
 		$data = array(
 			'id'               => $customer->ID,
-			'created_at'       => wc_api_prepare_date_response( $customer->user_registered ),
+			'created_at'       => wc_rest_api_prepare_date_response( $customer->user_registered ),
-			'updated_at'       => $customer->last_update ? wc_api_prepare_date_response( date( 'Y-m-d H:i:s', $customer->last_update ) ) : null,
+			'updated_at'       => $customer->last_update ? wc_rest_api_prepare_date_response( date( 'Y-m-d H:i:s', $customer->last_update ) ) : null,
 			'email'            => $customer->user_email,
 			'first_name'       => $customer->first_name,
 			'last_name'        => $customer->last_name,
 			'username'         => $customer->user_login,
 			'last_order'       => array(
 				'id'   => is_object( $last_order ) ? $last_order->id : null,
-				'date' => is_object( $last_order ) ? wc_api_prepare_date_response( $last_order->post->post_date_gmt ) : null
+				'date' => is_object( $last_order ) ? wc_rest_api_prepare_date_response( $last_order->post->post_date_gmt ) : null
 			),
 			'orders_count'     => wc_get_customer_order_count( $customer->ID ),
 			'total_spent'      => wc_format_decimal( wc_get_customer_total_spent( $customer->ID ), 2 ),

includes/wc-api-functions.php

@@ -20,11 +20,12 @@ if ( ! defined( 'ABSPATH' ) ) {
  * Requered WP 4.4 or later.
  * See https://developer.wordpress.org/reference/functions/mysql_to_rfc3339/
  *
+ * @since 2.6.0
  * @param string       $date_gmt
  * @param string|null  $date
  * @return string|null ISO8601/RFC3339 formatted datetime.
  */
-function wc_api_prepare_date_response( $date_gmt, $date = null ) {
+function wc_rest_api_prepare_date_response( $date_gmt, $date = null ) {
 	// Check if mysql_to_rfc3339 exists first!
 	if ( ! function_exists( 'mysql_to_rfc3339' ) ) {
 		return null;
@@ -43,3 +44,105 @@ function wc_api_prepare_date_response( $date_gmt, $date = null ) {
 	// Return the formatted datetime.
 	return mysql_to_rfc3339( $date_gmt );
 }
+
+/**
+ * Upload image from URL.
+ *
+ * @since 2.6.0
+ * @param string $image_url
+ * @return array|WP_Error Attachment data or error message.
+ */
+function wc_rest_api_upload_image_from_url( $image_url ) {
+	$file_name   = basename( current( explode( '?', $image_url ) ) );
+	$wp_filetype = wp_check_filetype( $file_name, null );
+	$parsed_url  = @parse_url( $image_url );
+
+	// Check parsed URL.
+	if ( ! $parsed_url || ! is_array( $parsed_url ) ) {
+		return new WP_Error( 'woocommerce_rest_invalid_image_url', sprintf( __( 'Invalid URL %s', 'woocommerce' ), $image_url ), array( 'status' => 400 ) );
+	}
+
+	// Ensure url is valid.
+	$image_url = str_replace( ' ', '%20', $image_url );
+
+	// Get the file.
+	$response = wp_safe_remote_get( $image_url, array(
+		'timeout' => 10
+	) );
+
+	if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
+		return new WP_Error( 'woocommerce_rest_invalid_remote_image_url', sprintf( __( 'Error getting remote image %s', 'woocommerce' ), $image_url ), array( 'status' => 400 ) );
+	}
+
+	// Ensure we have a file name and type.
+	if ( ! $wp_filetype['type'] ) {
+		$headers = wp_remote_retrieve_headers( $response );
+		if ( isset( $headers['content-disposition'] ) && strstr( $headers['content-disposition'], 'filename=' ) ) {
+			$disposition = end( explode( 'filename=', $headers['content-disposition'] ) );
+			$disposition = sanitize_file_name( $disposition );
+			$file_name   = $disposition;
+		} elseif ( isset( $headers['content-type'] ) && strstr( $headers['content-type'], 'image/' ) ) {
+			$file_name = 'image.' . str_replace( 'image/', '', $headers['content-type'] );
+		}
+		unset( $headers );
+	}
+
+	// Upload the file.
+	$upload = wp_upload_bits( $file_name, '', wp_remote_retrieve_body( $response ) );
+
+	if ( $upload['error'] ) {
+		return new WP_Error( 'woocommerce_rest_image_upload_error', $upload['error'], array( 'status' => 400 ) );
+	}
+
+	// Get filesize.
+	$filesize = filesize( $upload['file'] );
+
+	if ( 0 == $filesize ) {
+		@unlink( $upload['file'] );
+		unset( $upload );
+
+		return new WP_Error( 'woocommerce_rest_image_upload_file_error', __( 'Zero size file downloaded', 'woocommerce' ), array( 'status' => 400 ) );
+	}
+
+	do_action( 'woocommerce_rest_api_uploaded_image_from_url', $upload, $image_url );
+
+	return $upload;
+}
+
+/**
+ * Set uploaded image as attachment.
+ *
+ * @since 2.6.0
+ * @param array $upload Upload information from wp_upload_bits.
+ * @param int $id Post ID. Default to 0.
+ * @return int Attachment ID
+ */
+function wc_rest_api_set_uploaded_image_as_attachment( $upload, $id = 0 ) {
+	$info    = wp_check_filetype( $upload['file'] );
+	$title   = '';
+	$content = '';
+
+	if ( $image_meta = @wp_read_image_metadata( $upload['file'] ) ) {
+		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
+			$title = $image_meta['title'];
+		}
+		if ( trim( $image_meta['caption'] ) ) {
+			$content = $image_meta['caption'];
+		}
+	}
+
+	$attachment = array(
+		'post_mime_type' => $info['type'],
+		'guid'           => $upload['url'],
+		'post_parent'    => $id,
+		'post_title'     => $title,
+		'post_content'   => $content
+	);
+
+	$attachment_id = wp_insert_attachment( $attachment, $upload['file'], $id );
+	if ( ! is_wp_error( $attachment_id ) ) {
+		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $upload['file'] ) );
+	}
+
+	return $attachment_id;
+}