<?php if ( ! defined( 'ABSPATH' ) ) exit; /** * Responsive Lightbox Remote Library Unsplash class. * * Library: https://unsplash.com * API: https://unsplash.com/developers * * @class Responsive_Lightbox_Remote_Library_Unsplash */ class Responsive_Lightbox_Remote_Library_Unsplash extends Responsive_Lightbox_Remote_Library_API { protected $allowed_hosts = [ 'unsplash.com' ]; protected $allowed_formats = [ 'jpe' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg' ]; /** * Class constructor. * * @return void */ public function __construct() { // provider slug $this->slug = 'unsplash'; // provider name $this->name = __( 'Unsplash', 'responsive-lightbox' ); // default values $this->defaults = [ 'active' => false, 'api_key' => '' ]; // setting fields $this->fields = [ 'title' => $this->name, 'section' => 'responsive_lightbox_remote_library_providers', 'type' => 'custom', 'callback' => [ $this, 'render_field' ] ]; // add provider parent::add_provider( $this ); } /** * Render field. * * @return string */ public function render_field() { return ' <p><label><input id="rl_unsplash_active" class="rl-media-provider-expandable" type="checkbox" name="responsive_lightbox_remote_library[unsplash][active]" value="1" ' . checked( $this->rl->options['remote_library']['unsplash']['active'], true, false ) . ' />' . esc_html__( 'Enable Unsplash.', 'responsive-lightbox' ) . '</label></p> <div class="rl-media-provider-options"' . ( $this->rl->options['remote_library']['unsplash']['active'] ? '' : ' style="display: none;"' ) . '> <p><input id="rl_unsplash_api_key" class="large-text" placeholder="' . esc_attr__( 'Access key', 'responsive-lightbox' ) . '" type="text" value="' . esc_attr( $this->rl->options['remote_library']['unsplash']['api_key'] ) . '" name="responsive_lightbox_remote_library[unsplash][api_key]"></p> <p class="description">' . sprintf( esc_html__( 'Provide your %s key.', 'responsive-lightbox' ), '<a href="https://unsplash.com/oauth/applications/new">Unsplash API</a>' ) . '</p> </div>'; } /** * Validate settings. * * @param array $input POST data * @return array */ public function validate_settings( $input ) { if ( ! isset( $_POST['responsive_lightbox_remote_library'] ) ) $input['unsplash'] = $this->rl->defaults['remote_library']['unsplash']; else { // active $input['unsplash']['active'] = isset( $_POST['responsive_lightbox_remote_library']['unsplash']['active'] ); // api key if ( ! empty( $_POST['responsive_lightbox_remote_library']['unsplash']['api_key'] ) && is_string( $_POST['responsive_lightbox_remote_library']['unsplash']['api_key'] ) ) $input['unsplash']['api_key'] = preg_replace( '/[^0-9a-zA-Z\-.]/', '', $_POST['responsive_lightbox_remote_library']['unsplash']['api_key'] ); else $input['unsplash']['api_key'] = ''; } return $input; } /** * Prepare data to run remote query. * * @param string $search_phrase Search phrase * @param array $args Provider arguments * @return void */ public function prepare_query( $search_phrase, $args = [] ) { // check page parameter if ( isset( $args['preview_page'] ) ) $args['preview_page'] = (int) $args['preview_page']; else $args['preview_page'] = 1; if ( $args['preview_page'] < 1 ) $args['preview_page'] = 1; // check limit if ( isset( $args['limit'] ) && ( $limit = (int) $args['limit'] ) > 0 ) $args['preview_per_page'] = $limit; else { // check per page parameter if ( isset( $args['preview_per_page'] ) ) $args['preview_per_page'] = (int) $args['preview_per_page']; else $args['preview_per_page'] = 20; if ( $args['preview_per_page'] < 5 || $args['preview_per_page'] > 30 ) $args['preview_per_page'] = 20; } // set query arguments $this->query_args = $args; $query_args = [ 'per_page' => $args['preview_per_page'], 'page' => $args['preview_page'], 'order_by' => 'latest' ]; if ( $search_phrase !== '' ) { $query_args['query'] = urlencode( $search_phrase ); $url = 'https://api.unsplash.com/search/photos'; } else $url = 'https://api.unsplash.com/photos'; // set query string $this->query = add_query_arg( $query_args, $url ); // set query remote arguments $this->query_remote_args = [ 'timeout' => 30, 'headers' => [ 'Authorization' => 'Client-ID ' . $this->rl->options['remote_library']['unsplash']['api_key'], 'User-Agent' => __( 'Responsive Lightbox', 'responsive-lightbox' ) . ' ' . $this->rl->defaults['version'] ] ]; } /** * Get images from media provider. * * @param mixed $response Remote response * @param array $args Query arguments * @return array|WP_Error */ public function get_query_results( $response, $args = [] ) { $results = []; $error = new WP_Error( 'rl_remote_library_unsplash_get_query_results', __( 'Parsing request error', 'responsive-lightbox' ) ); // retrieve body $response_body = wp_remote_retrieve_body( $response ); // any data? if ( $response_body !== '' ) { $response_json = json_decode( $response_body, true ); // invalid data? if ( $response_json === null ) $results = $error; else { // set response data $this->response_data = $response_json; // search phrase query? if ( $args['media_search'] !== '' ) { // get results $results = isset( $response_json['results'] ) && is_array( $response_json['results'] ) ? $response_json['results'] : []; // sanitize images $results = $this->sanitize_results( $results ); } else $results = $this->sanitize_results( $response_json ); } } else $results = $error; return $results; } /** * Sanitize single result. * * @param array $result Single result * @return array */ public function sanitize_result( $result ) { // set dimensions $width = (int) $result['width']; $height = (int) $result['height']; $thumbnail_width = 200; // calculate new height based on original ratio $thumbnail_height = (int) floor( $thumbnail_width / ( $width / $height ) ); $imagedata = [ 'id' => 0, 'link' => '', 'source' => esc_url_raw( $result['links']['html'] ), 'title' => sanitize_text_field( $result['id'] ), 'caption' => $this->get_attribution( 'Unsplash', $result['links']['html'], $result['user']['name'], $result['user']['links']['html'] ), 'description' => ! empty( $result['description'] ) ? sanitize_text_field( $result['description'] ) : '', 'alt' => '', 'url' => esc_url_raw( $result['urls']['raw'] ), 'width' => $width, 'height' => $height, 'orientation' => $height > $width ? 'portrait' : 'landscape', 'thumbnail_url' => esc_url_raw( $result['urls']['small'] ), 'thumbnail_width' => $thumbnail_width, 'thumbnail_height' => $thumbnail_height, 'thumbnail_orientation' => $thumbnail_height > $thumbnail_width ? 'portrait' : 'landscape', 'media_provider' => 'unsplash', 'filename' => sanitize_file_name( basename( $result['urls']['raw'] ) ), 'dimensions' => $width . ' x ' . $height, 'type' => 'image' ]; // create thumbnail link $imagedata['thumbnail_link'] = $this->rl->galleries->get_gallery_image_link( $imagedata, 'thumbnail' ); return $imagedata; } } new Responsive_Lightbox_Remote_Library_Unsplash();
