Astra_WebFont_Loader::get_local_files_from_css()

	public function get_local_files_from_css() {
		$font_files = $this->get_remote_files_from_css();
		$stored     = get_site_option( 'ast_downloaded_font_files', array() );
		$change     = false; // If in the end this is true, we need to update the cache option.

		if ( ! defined( 'FS_CHMOD_DIR' ) ) {
			define( 'FS_CHMOD_DIR', ( 0755 & ~ umask() ) );
		}

		// If the fonts folder don't exist, create it.
		if ( ! file_exists( $this->get_fonts_folder() ) ) {
			$this->get_filesystem()->mkdir( $this->get_fonts_folder(), FS_CHMOD_DIR );
		}

		foreach ( $font_files as $font_family => $files ) {

			// The folder path for this font-family.
			$folder_path = $this->get_fonts_folder() . '/' . $font_family;

			// If the folder doesn't exist, create it.
			if ( ! file_exists( $folder_path ) ) {
				$this->get_filesystem()->mkdir( $folder_path, FS_CHMOD_DIR );
			}

			foreach ( $files as $url ) {

				// Get the filename.
				$filename  = basename( wp_parse_url( $url, PHP_URL_PATH ) );
				$font_path = $folder_path . '/' . $filename;

				// Check if the file already exists.
				if ( file_exists( $font_path ) ) {

					// Skip if already cached.
					if ( isset( $stored[ $url ] ) ) {
						continue;
					}

					// Add file to the cache and change the $changed var to indicate we need to update the option.
					$stored[ $url ] = $font_path;
					$change         = true;

					// Since the file exists we don't need to proceed with downloading it.
					continue;
				}

				/**
				 * If we got this far, we need to download the file.
				 */
				// require file.php if the download_url function doesn't exist.
				if ( ! function_exists( 'download_url' ) ) {
					require_once wp_normalize_path( ABSPATH . '/wp-admin/includes/file.php' ); // PHPCS:ignore WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound
				}

				// Download file to temporary location.
				$tmp_path = download_url( $url );

				// Make sure there were no errors.
				if ( is_wp_error( $tmp_path ) ) {
					continue;
				}

				// Move temp file to final destination.
				$success = $this->get_filesystem()->move( $tmp_path, $font_path, true );
				if ( $success ) {
					$stored[ $url ] = $font_path;
					$change         = true;
				}
			}
		}

		// If there were changes, update the option.
		if ( $change ) {

			// Cleanup the option and then save it.
			foreach ( $stored as $url => $path ) {
				if ( ! file_exists( $path ) ) {
					unset( $stored[ $url ] );
				}
			}

			update_site_option( 'ast_downloaded_font_files', $stored );
		}

		return $stored;
	}