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ðŸ“„ dam_offload_utils.php(7.88 KB)
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Editing: dam_offload_utils.php

<?php

trait Optml_Dam_Offload_Utils {
	use Optml_Normalizer;

/**
	 * Checks that the attachment is a DAM image.
	 *
	 * @param int $post_id The attachment ID.
	 *
	 * @return bool
	 */
	private function is_dam_imported_image( $post_id ) {
		$meta = get_post_meta( $post_id, Optml_Dam::OM_DAM_IMPORTED_FLAG, true );

if ( empty( $meta ) ) {
			return false;
		}

return true;
	}

/**
	 * Checks if the attachment is offloaded using the old method.
	 *
	 * @param int $id The attachment ID.
	 *
	 * @return bool
	 */
	private function is_legacy_offloaded_attachment( $id ) {
		$id = apply_filters( 'optml_ensure_source_attachment_id', $id );

return ! $this->is_new_offloaded_attachment( $id ) && ! empty( get_post_meta( $id, Optml_Media_Offload::META_KEYS['offloaded'] ) );
	}

/**
	 * Check if it's a newly offloaded attachment
	 *
	 * @param int $id The attachment ID.
	 *
	 * @return bool
	 */
	private function is_new_offloaded_attachment( $id ) {
		$id = apply_filters( 'optml_ensure_source_attachment_id', $id );

return ! empty( get_post_meta( $id, Optml_Media_Offload::OM_OFFLOADED_FLAG, true ) );
	}

/**
	 * Get all registered image sizes.
	 *
	 * @return array
	 */
	private function get_all_image_sizes() {
		$additional_sizes = wp_get_additional_image_sizes();
		$intermediate     = get_intermediate_image_sizes();
		$all              = [];

foreach ( $intermediate as $size ) {
			if ( isset( $additional_sizes[ $size ] ) ) {
				$all[ $size ] = [
					'width'  => $additional_sizes[ $size ]['width'],
					'height' => $additional_sizes[ $size ]['height'],
					'crop'   => isset( $additional_sizes[ $size ]['crop'] ) ? $additional_sizes[ $size ]['crop'] : false,
				];
			} else {
				$all[ $size ] = [
					'width'  => (int) get_option( $size . '_size_w' ),
					'height' => (int) get_option( $size . '_size_h' ),
					'crop'   => get_option( $size . '_crop' ),
				];
			}

if ( ! empty( $additional_sizes[ $size ]['crop'] ) ) {
				$all[ $size ]['crop'] = is_array( $additional_sizes[ $size ]['crop'] ) ? $additional_sizes[ $size ]['crop'] : (bool) $additional_sizes[ $size ]['crop'];

} else {
				$all[ $size ]['crop'] = (bool) get_option( $size . '_crop' );
			}
		}

return $all;
	}

/**
	 *  Get the dimension from optimized url.
	 *
	 * @param string $url The image url.
	 *
	 * @return array Contains the width and height values in this order.
	 */
	private function parse_dimension_from_optimized_url( $url ) {
		$catch  = [];
		$height = false;
		$width  = false;
		preg_match( '/\/w:(.*)\/h:(.*)\/q:/', $url, $catch );
		if ( isset( $catch[1] ) && isset( $catch[2] ) ) {
			$width  = $catch[1];
			$height = $catch[2];
		}
		return [ $width, $height ];
	}

/**
	 * Check if we're in the attachment edit page.
	 *
	 * /wp-admin/post.php?post=<id>&action=edit
	 *
	 * Send whatever comes from the DAM.
	 *
	 * @param int $attachment_id attachment id.
	 *
	 * @return bool
	 */
	private function is_attachment_edit_page( $attachment_id ) {
		if ( ! is_admin() ) {
			return false;
		}

if ( ! function_exists( 'get_current_screen' ) ) {
			return false;
		}

$screen = get_current_screen();

if ( ! isset( $screen->base ) ) {
			return false;
		}

if ( $screen->base !== 'post' ) {
			return false;
		}

if ( $screen->post_type !== 'attachment' ) {
			return false;
		}

if ( $screen->id !== 'attachment' ) {
			return false;
		}

if ( ! isset( $_GET['post'] ) ) {
			return false;
		}

if ( (int) sanitize_text_field( $_GET['post'] ) !== $attachment_id ) {
			return false;
		}

return true;
	}

/**
	 * Used to filter the image metadata. Adds optimized image url for all image sizes.
	 *
	 * @param array $metadata The attachment metadata.
	 * @param int   $id The attachment id.
	 *
	 * @return mixed
	 */
	private function get_altered_metadata_for_remote_images( $metadata, $id ) {

$post = get_post( $id );

$sizes_meta = [];

// SVG files don't have a width/height so we add a dummy one. These are vector images so it doesn't matter.
		$is_svg = ( $post->post_mime_type === Optml_Config::$image_extensions['svg'] );

if ( $is_svg ) {
			$metadata['width']  = 150;
			$metadata['height'] = 150;
		}

if ( ! isset( $metadata['height'] ) || ! isset( $metadata['width'] ) ) {
			return $metadata;
		}
		$sizes = Optml_App_Replacer::image_sizes();
		foreach ( $sizes as $size => $args ) {
			// check if the image is portrait or landscape using attachment metadata.
			$dimensions = $this->size_to_dimension( $size, $metadata );
			$sizes_meta[ $size ] = [
				'file'      => $metadata['file'],
				'width'     => $dimensions['width'],
				'height'    => $dimensions['height'],
				'mime-type' => $post->post_mime_type,
			];
		}

$metadata['sizes'] = $sizes_meta;

return $metadata;
	}

/**
	 * Get the scaled URL.
	 *
	 * @param string $url Original URL.
	 *
	 * @return string
	 */
	private function get_scaled_url( $url ) {
		$extension = pathinfo( $url, PATHINFO_EXTENSION );

return str_replace( '.' . $extension, '-scaled.' . $extension, $url );
	}
	/**
	 * Check if the URL is a scaled image.
	 *
	 * @param string $url The URL to check.
	 *
	 * @return bool
	 */
	private function is_scaled_url( $url ) {
		return strpos( $url, '-scaled.' ) !== false;
	}

/**
	 * Check if the image has been offloaded completely.
	 *
	 * @param int $id The attachment ID.
	 *
	 * @return bool
	 */
	private function is_completed_offload( $id ) {
		// This is the flag that is used to mark the image as offloaded at the end.
		$completed = ! empty( get_post_meta( $id, Optml_Media_Offload::OM_OFFLOADED_FLAG, true ) );
		if ( $completed ) {
			return true;
		}
		// In some rare cases the image is offloaded but the flag is not set so we can alternatively check this using the file path.
		$meta = wp_get_attachment_metadata( $id );
		if ( ! isset( $meta['file'] ) ) {
			return false;
		}
		if ( Optml_Media_Offload::is_uploaded_image( $meta['file'] ) ) {
			return true;
		}

return false;
	}
	/**
	 * Get the attachment ID from URL.
	 *
	 * @param string $input_url The attachment URL.
	 *
	 * @return int
	 */
	private function attachment_url_to_post_id( $input_url ) {
		$cached = Optml_Attachment_Cache::get_cached_attachment_id( $input_url );

if ( $cached !== false ) {
			return (int) $cached;
		}

$url = $this->strip_image_size( $input_url );

$attachment_id = attachment_url_to_postid( $url );

if ( $attachment_id === 0 && ! $this->is_scaled_url( $url ) ) {
			$scaled_url = $this->get_scaled_url( $url );

$attachment_id = attachment_url_to_postid( $scaled_url );
		}

/*
		* TODO: The logic is a mess, we need to refactor at some point.
		* Websites may transition between 'www' subdomains and apex domains, potentially breaking references to hosted images. This can cause issues when attempting to match attachment IDs if images are linked using outdated domains. The logic is checking for alternative domains and consider the use of 'scaled' prefixes in image URLs for large images, which might affect ID matching.
		*/
		if ( $attachment_id === 0 ) {
			if ( strpos( $url, 'www.' ) !== false ) {
				$variant_url   = str_replace( 'www.', '', $url );
				$attachment_id = attachment_url_to_postid( $variant_url );
			} else {
				$variant_url   = str_replace( '://', '://www.', $url );
				$attachment_id = attachment_url_to_postid( $variant_url );
			}
			if ( $attachment_id === 0 && ! $this->is_scaled_url( $variant_url ) ) {
				$scaled_url = $this->get_scaled_url( $variant_url );

$attachment_id = attachment_url_to_postid( $scaled_url );
			}
		}
		Optml_Attachment_Cache::set_cached_attachment_id( $input_url, $attachment_id );

return $attachment_id;
	}

/**
	 * Strips the image size from the URL.
	 *
	 * @param string $url URL to strip.
	 *
	 * @return string
	 */
	private function strip_image_size( $url ) {
		if ( preg_match( '#(-\d+x\d+(?:_c)?|(@2x))\.(' . implode( '|', array_keys( Optml_Config::$image_extensions ) ) . '){1}$#i', $url, $src_parts ) ) {
			$url = str_replace( $src_parts[1], '', $url );
		}

return $url;
	}
}

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