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<?php |
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|
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namespace ImageOptimization\Modules\Optimization\Classes; |
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|
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use ImageOptimization\Classes\Image\{ |
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Exceptions\Invalid_Image_Exception, |
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Image, |
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Image_Meta, |
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WP_Image_Meta |
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}; |
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use ImageOptimization\Classes\File_System\Exceptions\File_System_Operation_Error; |
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use ImageOptimization\Classes\File_System\File_System; |
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use ImageOptimization\Classes\File_Utils; |
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use ImageOptimization\Modules\Optimization\Classes\Exceptions\Image_Validation_Error; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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class Validate_Image { |
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public const MAX_FILE_SIZE = 10 * 1024 * 1024; |
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|
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/** |
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* Returns true if $image_id provided associated with an image that can be optimized. |
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* |
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* @param int $image_id Attachment id. |
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* |
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* @return true |
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* @throws Image_Validation_Error |
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* @throws Invalid_Image_Exception |
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*/ |
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public static function is_valid( int $image_id ): bool { |
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$attachment_object = get_post( $image_id ); |
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|
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if ( ! $attachment_object ) { |
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throw new Image_Validation_Error( |
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__( 'Can\'t optimize this file. If the issue persists, Contact Support', 'image-optimization' ) |
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); |
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} |
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|
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if ( |
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! wp_attachment_is_image( $attachment_object ) || |
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! in_array( $attachment_object->post_mime_type, Image::get_supported_mime_types(), true ) || |
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( |
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in_array( $attachment_object->post_mime_type, Image::get_mime_types_cannot_be_optimized(), true ) && |
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! get_post_meta( $image_id, Image_Meta::IMAGE_OPTIMIZER_METADATA_KEY, true ) |
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) |
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) { |
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throw new Image_Validation_Error( self::prepare_supported_formats_list_error() ); |
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} |
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|
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if ( ! file_exists( get_attached_file( $image_id ) ) ) { |
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throw new Image_Validation_Error( |
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esc_html__( 'File is missing. Verify the upload', 'image-optimization' ) |
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); |
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} |
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|
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$wp_meta = new WP_Image_Meta( $image_id ); |
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|
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try { |
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$image_size = $wp_meta->get_file_size( Image::SIZE_FULL ) |
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?? File_System::size( ( new Image( $image_id ) )->get_file_path( Image::SIZE_FULL ) ); |
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} catch ( File_System_Operation_Error $e ) { |
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throw new Image_Validation_Error( |
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esc_html__( 'File is missing. Verify the upload', 'image-optimization' ) |
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); |
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} |
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|
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if ( $image_size > self::MAX_FILE_SIZE ) { |
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throw new Image_Validation_Error( |
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sprintf( |
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__( 'File is too large. Max size is %s', 'image-optimization' ), |
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File_Utils::format_file_size( self::MAX_FILE_SIZE, 0 ), |
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) |
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); |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Prepares the error message for the unsupported file formats. |
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* |
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* @return string The error message. |
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*/ |
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private static function prepare_supported_formats_list_error(): string { |
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$formats = Image::get_supported_formats(); |
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$formats = array_filter( |
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$formats, |
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fn ( $format) => ! in_array( $format, Image::get_formats_cannot_be_optimized(), true ) |
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); |
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$last_item = strtoupper( array_pop( $formats ) ); |
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|
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$formats_list = join( ', ', array_map( 'strtoupper', $formats ) ); |
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|
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return sprintf( |
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__( 'Wrong file format. Only %1$s, or %2$s are accepted', 'image-optimization' ), |
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$formats_list, |
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$last_item |
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); |
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} |
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} |
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|
