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wp/wp-content/plugins/imagify/classes/Optimization/Data/AbstractData.php

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+<?php
+namespace Imagify\Optimization\Data;
+
+use Imagify\Media\MediaInterface;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Abstract class used to handle the optimization data of "media groups" (aka attachments).
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+abstract class AbstractData implements DataInterface {
+
+	/**
+	 * Optimization data structure.
+	 * This is the format returned when we "get" optimization data from the DB.
+	 *
+	 * @var    array
+	 * @since  1.9
+	 * @access protected
+	 * @see    $this->get_optimization_data()
+	 * @author Grégory Viguier
+	 */
+	protected $default_optimization_data = [
+		'status' => '',
+		'level'  => false,
+		'sizes'  => [],
+		'stats'  => [
+			'original_size'  => 0,
+			'optimized_size' => 0,
+			'percent'        => 0,
+		],
+	];
+
+	/**
+	 * The media object.
+	 *
+	 * @var    MediaInterface
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected $media;
+
+	/**
+	 * Filesystem object.
+	 *
+	 * @var    object Imagify_Filesystem
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected $filesystem;
+
+	/**
+	 * The constructor.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @see    self::constructor_accepts()
+	 * @author Grégory Viguier
+	 *
+	 * @param mixed $id An ID, or whatever type the constructor accepts.
+	 */
+	public function __construct( $id ) {
+		// Set the Media instance.
+		if ( $id instanceof MediaInterface ) {
+			$this->media = $id;
+		} elseif ( static::constructor_accepts( $id ) ) {
+			$media_class = str_replace( '\\Optimization\\Data\\', '\\Media\\', get_called_class() );
+			$media_class = '\\' . ltrim( $media_class, '\\' );
+			$this->media = new $media_class( $id );
+		} else {
+			$this->media = false;
+		}
+
+		$this->filesystem = \Imagify_Filesystem::get_instance();
+	}
+
+	/**
+	 * Tell if the given entry can be accepted in the constructor.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  mixed $id Whatever.
+	 * @return bool
+	 */
+	public static function constructor_accepts( $id ) {
+		if ( $id instanceof MediaInterface ) {
+			return true;
+		}
+
+		$media_class = str_replace( '\\Optimization\\Data\\', '\\Media\\', get_called_class() );
+		$media_class = '\\' . ltrim( $media_class, '\\' );
+
+		return $media_class::constructor_accepts( $id );
+	}
+
+	/**
+	 * Get the media instance.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return MediaInterface|false
+	 */
+	public function get_media() {
+		return $this->media;
+	}
+
+	/**
+	 * Tell if the current media is valid.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function is_valid() {
+		return $this->get_media() && $this->get_media()->is_valid();
+	}
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION DATA ======================================================================= */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_optimized() {
+		return 'success' === $this->get_optimization_status();
+	}
+
+	/**
+	 * Check if the main file is optimized (NOT by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_already_optimized() {
+		return 'already_optimized' === $this->get_optimization_status();
+	}
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_error() {
+		return 'error' === $this->get_optimization_status();
+	}
+
+	/**
+	 * Get the media's optimization level.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int|false The optimization level. False if not optimized.
+	 */
+	public function get_optimization_level() {
+		if ( ! $this->is_valid() ) {
+			return false;
+		}
+
+		$data = $this->get_optimization_data();
+		return $data['level'];
+	}
+
+	/**
+	 * Get the media's optimization status (success or error).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return string The optimization status. An empty string if there is none.
+	 */
+	public function get_optimization_status() {
+		if ( ! $this->is_valid() ) {
+			return '';
+		}
+
+		$data = $this->get_optimization_data();
+		return $data['status'];
+	}
+
+	/**
+	 * Count number of optimized sizes.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int Number of optimized sizes.
+	 */
+	public function get_optimized_sizes_count() {
+		$data  = $this->get_optimization_data();
+		$count = 0;
+
+		if ( ! $data['sizes'] ) {
+			return 0;
+		}
+
+		$context_sizes = $this->get_media()->get_media_files();
+		$data['sizes'] = array_intersect_key( $data['sizes'], $context_sizes );
+
+		if ( ! $data['sizes'] ) {
+			return 0;
+		}
+
+		foreach ( $data['sizes'] as $size ) {
+			if ( ! empty( $size['success'] ) ) {
+				$count++;
+			}
+		}
+
+		return $count;
+	}
+
+	/**
+	 * Get the original media's size (weight).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @return string|int
+	 */
+	public function get_original_size( $human_format = true, $decimals = 2 ) {
+		if ( ! $this->is_valid() ) {
+			return $human_format ? imagify_size_format( 0, $decimals ) : 0;
+		}
+
+		$size = $this->get_optimization_data();
+		$size = ! empty( $size['sizes']['full']['original_size'] ) ? $size['sizes']['full']['original_size'] : 0;
+
+		// If nothing in the database, try to get the info from the file.
+		if ( ! $size ) {
+			// Check for the backup file first.
+			$filepath = $this->get_media()->get_backup_path();
+
+			if ( ! $filepath ) {
+				// Try the original file then.
+				$filepath = $this->get_media()->get_original_path();
+			}
+
+			$size = $filepath ? $this->filesystem->size( $filepath ) : 0;
+		}
+
+		if ( $human_format ) {
+			return imagify_size_format( (int) $size, $decimals );
+		}
+
+		return (int) $size;
+	}
+
+	/**
+	 * Get the file size of the full size file.
+	 * If the WebP size is available, it is used.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @param  bool $use_webp     Use the WebP size if available.
+	 * @return string|int
+	 */
+	public function get_optimized_size( $human_format = true, $decimals = 2, $use_webp = true ) {
+		if ( ! $this->is_valid() ) {
+			return $human_format ? imagify_size_format( 0, $decimals ) : 0;
+		}
+
+		$data  = $this->get_optimization_data();
+		$media = $this->get_media();
+
+		if ( $use_webp ) {
+			$process_class_name = imagify_get_optimization_process_class_name( $media->get_context() );
+			$webp_size_name     = 'full' . constant( $process_class_name . '::WEBP_SUFFIX' );
+		}
+
+		if ( $use_webp && ! empty( $data['sizes'][ $webp_size_name ]['optimized_size'] ) ) {
+			$size = (int) $data['sizes'][ $webp_size_name ]['optimized_size'];
+		} elseif ( ! empty( $data['sizes']['full']['optimized_size'] ) ) {
+			$size = (int) $data['sizes']['full']['optimized_size'];
+		} else {
+			$size = 0;
+		}
+
+		if ( $size ) {
+			return $human_format ? imagify_size_format( $size, $decimals ) : $size;
+		}
+
+		// If nothing in the database, try to get the info from the file.
+		$filepath = false;
+
+		if ( $use_webp && ! empty( $data['sizes'][ $webp_size_name ]['success'] ) ) {
+			// Try with the WebP file first.
+			$filepath = $media->get_raw_fullsize_path();
+			$filepath = $filepath ? imagify_path_to_webp( $filepath ) : false;
+
+			if ( ! $filepath || ! $this->filesystem->exists( $filepath ) ) {
+				$filepath = false;
+			}
+		}
+
+		if ( ! $filepath ) {
+			// No WebP? The full size then.
+			$filepath = $media->get_fullsize_path();
+		}
+
+		if ( ! $filepath ) {
+			return $human_format ? imagify_size_format( 0, $decimals ) : 0;
+		}
+
+		$size = (int) $this->filesystem->size( $filepath );
+
+		return $human_format ? imagify_size_format( $size, $decimals ) : $size;
+	}
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION STATS ====================================================================== */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Get one or all statistics of a specific size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $size The thumbnail slug.
+	 * @param  string $key  The specific data slug.
+	 * @return array|string
+	 */
+	public function get_size_data( $size = 'full', $key = '' ) {
+		$data = $this->get_optimization_data();
+
+		if ( ! isset( $data['sizes'][ $size ] ) ) {
+			return $key ? '' : [];
+		}
+
+		if ( ! $key ) {
+			return $data['sizes'][ $size ];
+		}
+
+		if ( ! isset( $data['sizes'][ $size ][ $key ] ) ) {
+			return '';
+		}
+
+		return $data['sizes'][ $size ][ $key ];
+	}
+
+	/**
+	 * Get the overall statistics data or a specific one.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $key The specific data slug.
+	 * @return array|string
+	 */
+	public function get_stats_data( $key = '' ) {
+		$data  = $this->get_optimization_data();
+		$stats = '';
+
+		if ( empty( $data['stats'] ) ) {
+			return $key ? '' : [];
+		}
+
+		if ( ! isset( $data['stats'][ $key ] ) ) {
+			return '';
+		}
+
+		return $data['stats'][ $key ];
+	}
+
+	/**
+	 * Get the optimized/original saving of the original image in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_saving_percent() {
+		if ( ! $this->is_valid() ) {
+			return round( (float) 0, 2 );
+		}
+
+		$process_class_name = imagify_get_optimization_process_class_name( $this->get_media()->get_context() );
+		$webp_size_name     = 'full' . constant( $process_class_name . '::WEBP_SUFFIX' );
+
+		$percent = $this->get_size_data( $webp_size_name, 'percent' );
+
+		if ( ! $percent ) {
+			$percent = $this->get_size_data( 'full', 'percent' );
+		}
+
+		$percent = $percent ? $percent : 0;
+
+		return round( (float) $percent, 2 );
+	}
+
+	/**
+	 * Get the overall optimized/original saving (original image + all thumbnails) in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_overall_saving_percent() {
+		if ( ! $this->is_valid() ) {
+			return round( (float) 0, 2 );
+		}
+
+		$percent = $this->get_stats_data( 'percent' );
+
+		return round( (float) $percent, 2 );
+	}
+}

wp/wp-content/plugins/imagify/classes/Optimization/Data/CustomFolders.php

@@ -0,0 +1,316 @@
+<?php
+namespace Imagify\Optimization\Data;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Optimization data class for the custom folders.
+ * This class constructor accepts:
+ * - A media ID (int).
+ * - An array of data coming from the files DB table /!\
+ * - An object of data coming from the files DB table /!\
+ * - A \Imagify\Media\MediaInterface object.
+ *
+ * @since  1.9
+ * @see    Imagify\Media\CustomFolders
+ * @author Grégory Viguier
+ */
+class CustomFolders extends AbstractData {
+	use \Imagify\Traits\MediaRowTrait;
+
+	/**
+	 * The attachment SQL DB class.
+	 *
+	 * @var    string
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected $db_class_name = 'Imagify_Files_DB';
+
+	/**
+	 * The constructor.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param mixed $id An ID, or whatever type the "Media" class constructor accepts.
+	 */
+	public function __construct( $id ) {
+		parent::__construct( $id );
+
+		if ( ! $this->is_valid() ) {
+			return;
+		}
+
+		// This is required by MediaRowTrait.
+		$this->id = $this->get_media()->get_id();
+
+		// In this context, the media data and the optimization data are stored in the same DB table, so, no need to request twice the DB.
+		$this->row = $this->get_media()->get_row();
+	}
+
+	/**
+	 * Get the whole media optimization data.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array The data. See parent method for details.
+	 */
+	public function get_optimization_data() {
+		if ( ! $this->is_valid() ) {
+			return $this->default_optimization_data;
+		}
+
+		$row  = array_merge( $this->get_row_db_instance()->get_column_defaults(), $this->get_row() );
+		$data = $this->default_optimization_data;
+
+		$data['status'] = $row['status'];
+		$data['level']  = $row['optimization_level'];
+		$data['level']  = is_numeric( $data['level'] ) ? (int) $data['level'] : false;
+
+		if ( 'success' === $row['status'] ) {
+			/**
+			 * Success.
+			 */
+			$data['sizes']['full'] = [
+				'success'        => true,
+				'original_size'  => $row['original_size'],
+				'optimized_size' => $row['optimized_size'],
+				'percent'        => $row['percent'],
+			];
+		} elseif ( ! empty( $row['status'] ) ) {
+			/**
+			 * Error.
+			 */
+			$data['sizes']['full'] = [
+				'success' => false,
+				'error'   => $row['error'],
+			];
+		}
+
+		if ( ! empty( $row['data']['sizes'] ) && is_array( $row['data']['sizes'] ) ) {
+			unset( $row['data']['sizes']['full'] );
+			$data['sizes'] = array_merge( $data['sizes'], $row['data']['sizes'] );
+			$data['sizes'] = array_filter( $data['sizes'], 'is_array' );
+		}
+
+		if ( empty( $data['sizes'] ) ) {
+			return $data;
+		}
+
+		foreach ( $data['sizes'] as $size_data ) {
+			// Cast.
+			if ( isset( $size_data['original_size'] ) ) {
+				$size_data['original_size'] = (int) $size_data['original_size'];
+			}
+			if ( isset( $size_data['optimized_size'] ) ) {
+				$size_data['optimized_size'] = (int) $size_data['optimized_size'];
+			}
+			if ( isset( $size_data['percent'] ) ) {
+				$size_data['percent'] = round( $size_data['percent'], 2 );
+			}
+			// Stats.
+			if ( ! empty( $size_data['original_size'] ) && ! empty( $size_data['optimized_size'] ) ) {
+				$data['stats']['original_size']  += $size_data['original_size'];
+				$data['stats']['optimized_size'] += $size_data['optimized_size'];
+			}
+		}
+
+		if ( $data['stats']['original_size'] && $data['stats']['optimized_size'] ) {
+			$data['stats']['percent'] = $data['stats']['original_size'] - $data['stats']['optimized_size'];
+			$data['stats']['percent'] = round( $data['stats']['percent'] / $data['stats']['original_size'] * 100, 2 );
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Update the optimization data, level, and status for a size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param string $size The size name.
+	 * @param array  $data The optimization data. See parent method for details.
+	 */
+	public function update_size_optimization_data( $size, array $data ) {
+		if ( ! $this->is_valid() ) {
+			return;
+		}
+
+		$old_data = array_merge( $this->get_reset_data(), $this->get_row() );
+
+		if ( 'full' === $size ) {
+			/**
+			 * Original file.
+			 */
+			$old_data['optimization_level'] = $data['level'];
+			$old_data['status']             = $data['status'];
+			$old_data['modified']           = 0;
+
+			$file_path = $this->get_media()->get_fullsize_path();
+
+			if ( $file_path ) {
+				$old_data['hash'] = md5_file( $file_path );
+			}
+
+			if ( ! $data['success'] ) {
+				/**
+				 * Error.
+				 */
+				$old_data['error'] = $data['error'];
+			} else {
+				/**
+				 * Success.
+				 */
+				$old_data['original_size']  = $data['original_size'];
+				$old_data['optimized_size'] = $data['optimized_size'];
+				$old_data['percent']        = $data['original_size'] - $data['optimized_size'];
+				$old_data['percent']        = round( ( $old_data['percent'] / $data['original_size'] ) * 100, 2 );
+			}
+		} else {
+			/**
+			 * WebP version or any other size.
+			 */
+			$old_data['data'] = ! empty( $old_data['data'] ) && is_array( $old_data['data'] ) ? $old_data['data'] : [];
+			$old_data['data']['sizes'] = ! empty( $old_data['data']['sizes'] ) && is_array( $old_data['data']['sizes'] ) ? $old_data['data']['sizes'] : [];
+
+			if ( ! $data['success'] ) {
+				/**
+				 * Error.
+				 */
+				$old_data['data']['sizes'][ $size ] = [
+					'success' => false,
+					'error'   => $data['error'],
+				];
+			} else {
+				/**
+				 * Success.
+				 */
+				$old_data['data']['sizes'][ $size ] = [
+					'success'        => true,
+					'original_size'  => $data['original_size'],
+					'optimized_size' => $data['optimized_size'],
+					'percent'        => round( ( ( $data['original_size'] - $data['optimized_size'] ) / $data['original_size'] ) * 100, 2 ),
+				];
+			}
+		}
+
+		if ( isset( $old_data['data']['sizes'] ) && ( ! $old_data['data']['sizes'] || ! is_array( $old_data['data']['sizes'] ) ) ) {
+			unset( $old_data['data']['sizes'] );
+		}
+
+		$this->update_row( $old_data );
+	}
+
+	/**
+	 * Delete the media optimization data, level, and status.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 */
+	public function delete_optimization_data() {
+		if ( ! $this->is_valid() ) {
+			return;
+		}
+
+		$this->update_row( $this->get_reset_data() );
+	}
+
+	/**
+	 * Delete the optimization data for the given sizes.
+	 * If all sizes are removed, all optimization data is deleted.
+	 * Status and level are not modified nor removed if the "full" size is removed. This leaves the media in a Schrödinger state.
+	 *
+	 * @since  1.9.8
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param array $sizes A list of sizes to remove.
+	 */
+	public function delete_sizes_optimization_data( array $sizes ) {
+		if ( ! $sizes || ! $this->is_valid() ) {
+			return;
+		}
+
+		$data = array_merge( $this->get_reset_data(), $this->get_row() );
+
+		$data['data']['sizes'] = ! empty( $data['data']['sizes'] ) && is_array( $data['data']['sizes'] ) ? $data['data']['sizes'] : [];
+
+		if ( ! $data['data']['sizes'] ) {
+			return;
+		}
+
+		$remaining_sizes_data = array_diff_key( $data['data']['sizes'], array_flip( $sizes ) );
+
+		if ( ! $remaining_sizes_data ) {
+			// All sizes have been removed: delete everything.
+			$this->delete_optimization_data();
+			return;
+		}
+
+		if ( count( $remaining_sizes_data ) === count( $data['data']['sizes'] ) ) {
+			// Nothing has been removed.
+			return;
+		}
+
+		$data['data']['sizes'] = $remaining_sizes_data;
+
+		$this->update_row( $data );
+	}
+
+	/**
+	 * Get default values used to reset optimization data.
+	 *
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 *
+	 * @return array {
+	 *     The default values related to the optimization.
+	 *
+	 *     @type string $hash               The file hash.
+	 *     @type int    $modified           0 to tell that the file has not been modified
+	 *     @type int    $optimized_size     File size after optimization.
+	 *     @type int    $percent            Saving optimized/original in percent.
+	 *     @type int    $optimization_level The optimization level.
+	 *     @type string $status             The status: success, already_optimized, error.
+	 *     @type string $error              An error message.
+	 * }
+	 */
+	protected function get_reset_data() {
+		static $column_defaults;
+
+		if ( ! isset( $column_defaults ) ) {
+			$column_defaults = $this->get_row_db_instance()->get_column_defaults();
+
+			// All DB columns that have `null` as default value, are Imagify data.
+			foreach ( $column_defaults as $column_name => $value ) {
+				if ( 'hash' === $column_name || 'modified' === $column_name || 'data' === $column_name ) {
+					continue;
+				}
+
+				if ( isset( $value ) ) {
+					unset( $column_defaults[ $column_name ] );
+				}
+			}
+		}
+
+		$imagify_columns = $column_defaults;
+
+		// Also set the new file hash.
+		$file_path = $this->get_media()->get_fullsize_path();
+
+		if ( $file_path ) {
+			$imagify_columns['hash'] = md5_file( $file_path );
+		}
+
+		return $imagify_columns;
+	}
+}

wp/wp-content/plugins/imagify/classes/Optimization/Data/DataInterface.php

@@ -0,0 +1,275 @@
+<?php
+namespace Imagify\Optimization\Data;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Interface to use to handle the optimization data of "media groups" (aka attachments).
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+interface DataInterface {
+
+	/**
+	 * Tell if the given entry can be accepted in the constructor.
+	 * For example it can include `is_numeric( $id )` if the constructor accepts integers.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  mixed $id Whatever.
+	 * @return bool
+	 */
+	public static function constructor_accepts( $id );
+
+	/**
+	 * Get the media instance.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return MediaInterface|false
+	 */
+	public function get_media();
+
+	/**
+	 * Tell if the current media is valid.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function is_valid();
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION DATA ======================================================================= */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_optimized();
+
+	/**
+	 * Check if the main file is optimized (NOT by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_already_optimized();
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_error();
+
+	/**
+	 * Get the whole media optimization data.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array {
+	 *     The data.
+	 *
+	 *     @type string   $status The optimization status of the whole media: 'success', 'already_optimized', or 'error'.
+	 *                            It is the same as the main file’s status.
+	 *     @type int|bool $level  The optimization level (0=normal, 1=aggressive, 2=ultra). False if not set.
+	 *     @type array    $sizes  {
+	 *         A list of size data, keyed by size name, and containing:
+	 *
+	 *         @type bool   $success        Whether the optimization has been successful.
+	 *         If a success:
+	 *         @type int    $original_size  The file size before optimization.
+	 *         @type int    $optimized_size The file size after optimization.
+	 *         @type int    $percent        Saving in percent.
+	 *         If an error or 'already_optimized':
+	 *         @type string $error          An error message.
+	 *     }
+	 *     @type array    $stats  {
+	 *         @type int $original_size  Overall size before optimization.
+	 *         @type int $optimized_size Overall size after optimization.
+	 *         @type int $percent        Overall saving in percent.
+	 *     }
+	 * }
+	 */
+	public function get_optimization_data();
+
+	/**
+	 * Update the optimization data, level, and status for a size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param string $size The size name.
+	 * @param array  $data {
+	 *     The optimization data.
+	 *
+	 *     @type int    $level          The optimization level.
+	 *     @type string $status         The status: 'success', 'already_optimized', 'error'.
+	 *     @type bool   $success        True if successfully optimized. False on error or if already optimized.
+	 *     @type string $error          An error message.
+	 *     @type int    $original_size  The weight of the file, before optimization.
+	 *     @type int    $optimized_size The weight of the file, after optimization.
+	 * }
+	 */
+	public function update_size_optimization_data( $size, array $data );
+
+	/**
+	 * Delete the media optimization data, level, and status.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 */
+	public function delete_optimization_data();
+
+	/**
+	 * Delete the optimization data for the given sizes.
+	 * If all sizes are removed, all optimization data is deleted.
+	 * Status and level are not modified nor removed if the "full" size is removed. This leaves the media in a Schrödinger state.
+	 *
+	 * @since  1.9.8
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param array $sizes A list of sizes to remove.
+	 */
+	public function delete_sizes_optimization_data( array $sizes );
+
+	/**
+	 * Get the media's optimization level.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int|bool The optimization level. False if not optimized.
+	 */
+	public function get_optimization_level();
+
+	/**
+	 * Get the media's optimization status (success or error).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return string The optimization status. An empty string if there is none.
+	 */
+	public function get_optimization_status();
+
+	/**
+	 * Count number of optimized sizes.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int Number of optimized sizes.
+	 */
+	public function get_optimized_sizes_count();
+
+	/**
+	 * Get the original media's size (weight).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @return string|int
+	 */
+	public function get_original_size( $human_format = true, $decimals = 2 );
+
+	/**
+	 * Get the file size of the full size file.
+	 * If the WebP size is available, it is used.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @param  bool $use_webp     Use the WebP size if available.
+	 * @return string|int
+	 */
+	public function get_optimized_size( $human_format = true, $decimals = 2, $use_webp = true );
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION STATS ====================================================================== */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Get one or all statistics of a specific size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $size The thumbnail slug.
+	 * @param  string $key  The specific data slug.
+	 * @return array|string
+	 */
+	public function get_size_data( $size = 'full', $key = '' );
+
+	/**
+	 * Get the overall statistics data or a specific one.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $key The specific data slug.
+	 * @return array|string
+	 */
+	public function get_stats_data( $key = '' );
+
+	/**
+	 * Get the optimized/original saving of the original image in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_saving_percent();
+
+	/**
+	 * Get the overall optimized/original saving (original image + all thumbnails) in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_overall_saving_percent();
+}

wp/wp-content/plugins/imagify/classes/Optimization/Data/Noop.php

@@ -0,0 +1,285 @@
+<?php
+namespace Imagify\Optimization\Data;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Fallback class optimization data of "media groups" (aka attachments).
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class Noop implements DataInterface {
+
+	/**
+	 * Tell if the given entry can be accepted in the constructor.
+	 * For example it can include `is_numeric( $id )` if the constructor accepts integers.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  mixed $id Whatever.
+	 * @return bool
+	 */
+	public static function constructor_accepts( $id ) {
+		return false;
+	}
+
+	/**
+	 * Get the media instance.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return MediaInterface|false
+	 */
+	public function get_media() {
+		return false;
+	}
+
+	/**
+	 * Tell if the current media is valid.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function is_valid() {
+		return false;
+	}
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION DATA ======================================================================= */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_optimized() {
+		return false;
+	}
+
+	/**
+	 * Check if the main file is optimized (NOT by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_already_optimized() {
+		return false;
+	}
+
+	/**
+	 * Check if the main file is optimized (by Imagify).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return bool True if the media is optimized.
+	 */
+	public function is_error() {
+		return false;
+	}
+
+	/**
+	 * Get the whole media optimization data.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array The data. See parent method for details.
+	 */
+	public function get_optimization_data() {
+		return [
+			'status' => '',
+			'level'  => false,
+			'sizes'  => [],
+			'stats'  => [
+				'original_size'  => 0,
+				'optimized_size' => 0,
+				'percent'        => 0,
+			],
+		];
+	}
+
+	/**
+	 * Update the optimization data, level, and status for a size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param string $size The size name.
+	 * @param array  $data The optimization data. See parent method for details.
+	 */
+	public function update_size_optimization_data( $size, array $data ) {}
+
+	/**
+	 * Delete the media optimization data, level, and status.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 */
+	public function delete_optimization_data() {}
+
+	/**
+	 * Delete the optimization data for the given sizes.
+	 * If all sizes are removed, all optimization data is deleted.
+	 * Status and level are not modified nor removed if the "full" size is removed. This leaves the media in a Schrödinger state.
+	 *
+	 * @since  1.9.8
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param array $sizes A list of sizes to remove.
+	 */
+	public function delete_sizes_optimization_data( array $sizes ) {}
+
+	/**
+	 * Get the media's optimization level.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int|bool The optimization level. False if not optimized.
+	 */
+	public function get_optimization_level() {
+		return false;
+	}
+
+	/**
+	 * Get the media's optimization status (success or error).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return string The optimization status. An empty string if there is none.
+	 */
+	public function get_optimization_status() {
+		return '';
+	}
+
+	/**
+	 * Count number of optimized sizes.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return int Number of optimized sizes.
+	 */
+	public function get_optimized_sizes_count() {
+		return 0;
+	}
+
+	/**
+	 * Get the original media's size (weight).
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @return string|int
+	 */
+	public function get_original_size( $human_format = true, $decimals = 2 ) {
+		return $human_format ? imagify_size_format( 0, $decimals ) : 0;
+	}
+
+	/**
+	 * Get the file size of the full size file.
+	 * If the WebP size is available, it is used.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $human_format True to display the image human format size (1Mb).
+	 * @param  int  $decimals     Precision of number of decimal places.
+	 * @param  bool $use_webp     Use the WebP size if available.
+	 * @return string|int
+	 */
+	public function get_optimized_size( $human_format = true, $decimals = 2, $use_webp = true ) {
+		return $human_format ? imagify_size_format( 0, $decimals ) : 0;
+	}
+
+
+	/** ----------------------------------------------------------------------------------------- */
+	/** OPTIMIZATION STATS ====================================================================== */
+	/** ----------------------------------------------------------------------------------------- */
+
+	/**
+	 * Get one or all statistics of a specific size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $size The thumbnail slug.
+	 * @param  string $key  The specific data slug.
+	 * @return array|string
+	 */
+	public function get_size_data( $size = 'full', $key = '' ) {
+		return $key ? '' : [];
+	}
+
+	/**
+	 * Get the overall statistics data or a specific one.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $key The specific data slug.
+	 * @return array|string
+	 */
+	public function get_stats_data( $key = '' ) {
+		return $key ? '' : [];
+	}
+
+	/**
+	 * Get the optimized/original saving of the original image in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_saving_percent() {
+		return round( (float) 0, 2 );
+	}
+
+	/**
+	 * Get the overall optimized/original saving (original image + all thumbnails) in percent.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return float A 2-decimals float.
+	 */
+	public function get_overall_saving_percent() {
+		return round( (float) 0, 2 );
+	}
+}

wp/wp-content/plugins/imagify/classes/Optimization/Data/WP.php

@@ -0,0 +1,202 @@
+<?php
+namespace Imagify\Optimization\Data;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Optimization data class for the medias in the WP library.
+ * This class constructor accepts:
+ * - A post ID (int).
+ * - A \WP_Post object.
+ * - A \Imagify\Media\MediaInterface object.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class WP extends AbstractData {
+
+	/**
+	 * Get the whole media optimization data.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array The data. See parent method for details.
+	 */
+	public function get_optimization_data() {
+		if ( ! $this->is_valid() ) {
+			return $this->default_optimization_data;
+		}
+
+		$id = $this->get_media()->get_id();
+
+		$data = get_post_meta( $id, '_imagify_data', true );
+		$data = is_array( $data ) ? $data : [];
+
+		if ( isset( $data['sizes'] ) && ! is_array( $data['sizes'] ) ) {
+			$data['sizes'] = [];
+		}
+
+		if ( isset( $data['stats'] ) && ! is_array( $data['stats'] ) ) {
+			$data['stats'] = [];
+		}
+
+		$data = array_merge( $this->default_optimization_data, $data );
+
+		$data['status'] = get_post_meta( $id, '_imagify_status', true );
+		$data['status'] = is_string( $data['status'] ) ? $data['status'] : '';
+
+		$data['level'] = get_post_meta( $id, '_imagify_optimization_level', true );
+		$data['level'] = is_numeric( $data['level'] ) ? (int) $data['level'] : false;
+
+		return $data;
+	}
+
+	/**
+	 * Update the optimization data, level, and status for a size.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param string $size The size name.
+	 * @param array  $data The optimization data. See parent method for details.
+	 */
+	public function update_size_optimization_data( $size, array $data ) {
+		if ( ! $this->is_valid() ) {
+			return;
+		}
+
+		$id = $this->get_media()->get_id();
+
+		if ( 'full' === $size ) {
+			// Optimization level.
+			update_post_meta( $id, '_imagify_optimization_level', $data['level'] );
+			// Optimization status.
+			update_post_meta( $id, '_imagify_status', $data['status'] );
+		}
+
+		// Size data and stats.
+		$old_data = get_post_meta( $id, '_imagify_data', true );
+		$old_data = is_array( $old_data ) ? $old_data : [];
+
+		if ( ! isset( $old_data['sizes'] ) || ! is_array( $old_data['sizes'] ) ) {
+			$old_data['sizes'] = [];
+		}
+
+		if ( ! isset( $old_data['stats'] ) || ! is_array( $old_data['stats'] ) ) {
+			$old_data['stats'] = [];
+		}
+
+		$old_data['stats'] = array_merge( [
+			'original_size'  => 0,
+			'optimized_size' => 0,
+			'percent'        => 0,
+		], $old_data['stats'] );
+
+		if ( ! $data['success'] ) {
+			/**
+			 * Error.
+			 */
+			$old_data['sizes'][ $size ] = [
+				'success' => false,
+				'error'   => $data['error'],
+			];
+		} else {
+			/**
+			 * Success.
+			 */
+			$old_data['sizes'][ $size ] = [
+				'success'        => true,
+				'original_size'  => $data['original_size'],
+				'optimized_size' => $data['optimized_size'],
+				'percent'        => round( ( ( $data['original_size'] - $data['optimized_size'] ) / $data['original_size'] ) * 100, 2 ),
+			];
+
+			$old_data['stats']['original_size']  += $data['original_size'];
+			$old_data['stats']['optimized_size'] += $data['optimized_size'];
+			$old_data['stats']['percent']         = round( ( ( $old_data['stats']['original_size'] - $old_data['stats']['optimized_size'] ) / $old_data['stats']['original_size'] ) * 100, 2 );
+		}
+
+		update_post_meta( $id, '_imagify_data', $old_data );
+	}
+
+	/**
+	 * Delete the media optimization data, level, and status.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 */
+	public function delete_optimization_data() {
+		if ( ! $this->is_valid() ) {
+			return;
+		}
+
+		$id = $this->get_media()->get_id();
+
+		delete_post_meta( $id, '_imagify_data' );
+		delete_post_meta( $id, '_imagify_status' );
+		delete_post_meta( $id, '_imagify_optimization_level' );
+	}
+
+	/**
+	 * Delete the optimization data for the given sizes.
+	 * If all sizes are removed, all optimization data is deleted.
+	 * Status and level are not modified nor removed if the "full" size is removed. This leaves the media in a Schrödinger state.
+	 *
+	 * @since  1.9.8
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param array $sizes A list of sizes to remove.
+	 */
+	public function delete_sizes_optimization_data( array $sizes ) {
+		if ( ! $sizes || ! $this->is_valid() ) {
+			return;
+		}
+
+		$media_id = $this->get_media()->get_id();
+		$data     = get_post_meta( $media_id, '_imagify_data', true );
+
+		if ( empty( $data['sizes'] ) || ! is_array( $data['sizes'] ) ) {
+			return;
+		}
+
+		$remaining_sizes_data = array_diff_key( $data['sizes'], array_flip( $sizes ) );
+
+		if ( ! $remaining_sizes_data ) {
+			// All sizes have been removed: delete everything.
+			$this->delete_optimization_data();
+			return;
+		}
+
+		if ( count( $remaining_sizes_data ) === count( $data['sizes'] ) ) {
+			// Nothing has been removed.
+			return;
+		}
+
+		$data['sizes'] = $remaining_sizes_data;
+
+		// Update stats.
+		$data['stats'] = [
+			'original_size'  => 0,
+			'optimized_size' => 0,
+			'percent'        => 0,
+		];
+
+		foreach ( $data['sizes'] as $size_data ) {
+			if ( empty( $size_data['success'] ) ) {
+				continue;
+			}
+
+			$data['stats']['original_size']  += $size_data['original_size'];
+			$data['stats']['optimized_size'] += $size_data['optimized_size'];
+		}
+
+		$data['stats']['percent'] = round( ( ( $data['stats']['original_size'] - $data['stats']['optimized_size'] ) / $data['stats']['original_size'] ) * 100, 2 );
+
+		update_post_meta( $media_id, '_imagify_data', $data );
+	}
+}