FlickrPress.php

<?php

// Fix for symlinked plugins from
// http://wordpress.stackexchange.com/questions/15202/plugins-in-symlinked-directories
global $wp_flickr_press_file;
$wp_flickr_press_file = __FILE__;
if ( isset( $mu_plugin ) ) {
  $wp_flickr_press_file = $mu_plugin;
}
if ( isset( $network_plugin ) ) {
  $wp_flickr_press_file = $network_plugin;
}
if ( isset( $plugin ) ) {
  $wp_flickr_press_file = $plugin;
}

if ( ! file_exists(dirname($wp_flickr_press_file).'/libs/PHPFlickr-Oauth/phpFlickr.php') ) {
  $wp_flickr_press_file = __FILE__;
}

require_once(dirname($wp_flickr_press_file).'/libs/PHPFlickr-Oauth/phpFlickr.php');

class FlickrPress {
  // constants
  const VERSION = '2.6.4';
  const NAME = 'FlickrPress';
  const PREFIX = 'wpfp_';
  const MEDIA_BUTTON_TYPE = 'flickr_media';
  const TEXT_DOMAIN = 'wp-flickr-press';

  private static $flickr;

  public static $SIZE_LABELS = array(
    'sq' => 'Square 75 (75x75)',
    'q'  => 'Square 150 (150x150)',
    't'  => 'Thumbnail (100x75)',
    's'  => 'Small 240 (240x180)',
    'n'  => 'Small 320 (320x240)',
    'm'  => 'Medium 500 (500x375)',
    'z'  => 'Medium 640 (640x480)',
    'c'  => 'Medium 800 (800x600)',
    'l'  => 'Large (1024x768)',
    'h'  => 'Large (1600x1060)',
    'k'  => 'Large (2048x1356)',
    'o'  => 'Original',
  );
  public static $SIZES = array(
    'sq' => 'url_sq', // Square 75
    'q'  => 'url_q',  // Square 120
    't'  => 'url_t',  // Thumbnail
    's'  => 'url_s',  // Small 240
    'n'  => 'url_n',  // Small 320
    'm'  => 'url_m',  // Medium 500
    'z'  => 'url_z',  // Medium 640
    'c'  => 'url_c',  // Medium 800
    'l'  => 'url_l',  // Large
    'h'  => 'url_h',  // Large 1600
    'k'  => 'url_k',  // Large 2048
    'o'  => 'url_o',  // Original
  );
  public static $SIZE_TO_SUFFIX_MAPS = array(
    'sq' => 's', // Square 75
    'q'  => 'q',  // Square 120
    't'  => 't',  // Thumbnail
    's'  => 'm',  // Small 240
    'n'  => 'n',  // Small 320
    'm'  => '',  // Medium 500
    'z'  => 'z',  // Medium 640
    'c'  => 'c',  // Medium 800
    'l'  => 'b',  // Large
    'h'  => 'h',  // Large 1600
    'k'  => 'k',  // Large 2048
    'o'  => 'o',  // Original
  );

  public static $LINK_TYPE_LABELS = array(
    'none' => 'None',
    'file' => 'File URL',
    'page' => 'Page URL',
  );

  private function __construct() {
  }

  public static function init() {
    self::loadLanguages();
    self::addEvents();

    self::$flickr = new phpFlickr(FlickrPress::getApiKey(), FlickrPress::getApiSecret(), true);
    if (self::getOAuthToken()) {
      self::$flickr->token = self::getOAuthToken();
    }
    //if (self::isCacheEnabled()) {
    //  self::$flickr->enableCache(FlickrPress::getCacheType(), FlickrPress::getCacheConnection());
    //}
  }

  public static function clearCache() {
    $cacheDir = self::getCacheConnection();
    if (strlen($cacheDir)==0 || !is_writeable($cacheDir)) {
      return;
    }

    $dir = dir($cacheDir);
    while ( ($file=$dir->read()) !== false ) {
      if (preg_match('/^.*\.cache$/', $file)) {
        unlink("{$cacheDir}{$file}");
      }
    }
  }

  public static function isCacheEnabled() {
    return true;
  }

  public static function getClient() {
    return self::$flickr;
  }

  public static function getDir() {
    global $wp_flickr_press_file;
    return plugin_dir_path($wp_flickr_press_file);
  }

  public static function getCacheType() {
    return 'fs';
  }

  public static function getCacheConnection() {
    global $wp_flickr_press_file;
    return plugin_dir_path($wp_flickr_press_file).'/cache/';
  }

  public static function isDebugMode() {
    return get_option(self::getKey('debug_mode')) == '1';
  }

  public static function getApiKey() {
    return get_option(self::getKey('api_key'));
  }

  public static function getApiSecret() {
    return get_option(self::getKey('api_secret'));
  }

  public static function getUserId() {
    return get_option(self::getKey('user_id'));
  }

  public static function enablePathAlias() {
    return get_option(self::getKey('enable_path_alias')) == '1';
  }

  public static function getUsername() {
    return get_option(self::getKey('username'));
  }

  public static function getOAuthToken() {
    return get_option(self::getKey('oauth_token'));
  }

  public static function getPluginUrl($file='') {
    global $wp_flickr_press_file;
    return plugins_url($file, $wp_flickr_press_file );
  }

  public static function getDefaultTarget() {
    return get_option(self::getKey('default_target'), '');
  }

  public static function getDefaultAlign() {
    return get_option(self::getKey('default_align'), 'none');
  }

  public static function getDefaultSize() {
    return get_option(self::getKey('default_size'), 'm');
  }

  public static function getDefaulSearchType() {
    return get_option(self::getKey('default_search_type'), 'thumbnail');
  }

  public static function getInsertTemplate() {
    return get_option(self::getKey('insert_template'), '[img]');
  }

  public static function getDefaultSort() {
    return get_option(self::getKey('default_sort'), 'date-posted-desc');
  }

  public static function getQuickSettings() {
    return get_option(self::getKey('quick_settings'), 0);
  }

  public static function getDefaultLink() {
    return get_option(self::getKey('default_link'), 'page');
  }

  public static function getDefaultEmbedHeader() {
    return get_option(self::getKey('default_embed_header'), '1');
  }

  public static function getDefaultEmbedFooter() {
    return get_option(self::getKey('default_embed_footer'), '1');
  }

  public static function getDefaultEmbedSlideshow() {
    return get_option(self::getKey('default_embed_slideshow'), '0');
  }

  public static function getDefaultLinkValue($photo, $photos) {
    $linkType = self::getDefaultLink();
    $link = '';
    switch ($linkType) {
    case 'file':
      $link = self::getPhotoUrl($photo, self::getDefaultFileURLSize());
      break;
    case 'page':
      $link = self::getPhotoPageUrl($photo, $photos);
      break;
    }
    return $link;
  }

  public static function getDefaultLinkRel() {
    return get_option(self::getKey('default_link_rel'), '');
  }

  public static function getDefaultLinkClass() {
    return get_option(self::getKey('default_link_class'), '');
  }

  public static function getDefaultFileURLSize() {
    return get_option(self::getKey('default_file_url_size'), 'm');
  }

  public static function getExtendLinkPropertiesJson() {
    return get_option(self::getKey('extend_link_properties'), '[]');
  }

  public static function getExtendLinkPropertiesArray() {
    $properties = json_decode( self::getExtendLinkPropertiesJson() );
    return is_array($properties) ? $properties : array();
  }

  public static function getExtendImagePropertiesJson() {
    return get_option(self::getKey('extend_image_properties'), '[]');
  }

  public static function getExtendImagePropertiesArray() {
    $properties = json_decode( self::getExtendImagePropertiesJson() );
    return is_array($properties) ? $properties : array();
  }

  public static function getKey($key) {
    return self::PREFIX . $key;
  }

  private static function addEvents() {
    // load action or filter
    require_once(self::getDir().'/FpPostEvent.php');
    add_action('media_buttons', array('FpPostEvent', 'addButtons'), 100);
    add_action('media_upload_flickr_media', array('FpPostEvent', 'mediaUploadFlickrMedia'));
    add_filter('wp_fullscreen_buttons', array('FpPostEvent', 'addButtonsFullScreen'));
    add_filter(self::MEDIA_BUTTON_TYPE.'_upload_iframe_src', array('FpPostEvent', 'getUploadIframeSrc'));
    add_action('admin_head-post.php',            array('FpPostEvent', 'loadScripts'));
    add_action('admin_head-post-new.php',          array('FpPostEvent', 'loadScripts'));

    add_action('admin_enqueue_scripts', array('FpPostEvent', 'loadUIScripts'));
    add_filter('media_view_strings',  array('FpPostEvent', 'loadJSStrings'), 10, 2);

    require_once(self::getDir().'/FpAdminSettingEvent.php');
    add_action('admin_enqueue_scripts', array('FpAdminSettingEvent', 'loadUIScripts'));
    add_action('admin_menu', array('FpAdminSettingEvent', 'addMenu'));
    add_filter('whitelist_options', array('FpAdminSettingEvent', 'addWhitelistOptions'));

    // admin actions
    add_action('admin_action_wpfp_media_upload',      array(__CLASS__, 'adminActionWpfpMediaUpload'));
    add_action('admin_action_wpfp_flickr_oauth',      array(__CLASS__, 'adminActionWpfpFlickrOauth'));
    add_action('admin_action_wpfp_flickr_oauth_callback', array(__CLASS__, 'adminActionWpfpFlickrOauthCallback'));

    // thumbnail
    if (self::enableThumbnailFeature()) {
      require_once(self::getDir() . '/FpThumbnailEvent.php');
      add_filter('post_thumbnail_html', array('FpThumbnailEvent', 'filterPostThumbnailHtml'), 10, 5);
      add_filter('get_post_metadata',   array('FpThumbnailEvent', 'filterGetPostMetadata'),   10, 4);
      add_action('add_meta_boxes_post', array('FpThumbnailEvent', 'actionAddMetaBoxesPost')    );
      add_filter('wp_insert_post_data', array('FpThumbnailEvent', 'filterWpInsertPostData'),  10, 2);
    }

    // feed
    require_once(self::getDir() . '/FpFeedEvent.php');
    add_action( 'atom_entry', array('FpFeedEvent', 'actionInsertImageNode') );
    add_action( 'rdf_item',   array('FpFeedEvent', 'actionInsertImageNode') );
    add_action( 'rss_item',   array('FpFeedEvent', 'actionInsertImageNode') );
    add_action( 'rss2_item',  array('FpFeedEvent', 'actionInsertImageNode') );
  }

  public static function adminActionWpfpMediaUpload() {
    require_once(self::getDir().'/media-upload.php');
  }

  public static function adminActionWpfpFlickrOauth() {
    require_once(self::getDir().'/flickr_oauth.php');
  }

  public static function adminActionWpfpFlickrOauthCallback() {
    require_once(self::getDir().'/flickr_oauth_callback.php');
  }

  public static function getPhotoUrl($photo, $size='m') {
    if ( $size != 'o' && empty( $photo[self::$SIZES[$size]] ) ) {
      $keys = array_keys(self::$SIZES);
      $idx = array_search($size, $keys);
      for ($i=$idx+1; $i<count($keys); $i++) {
        $s = $keys[$i];
        if(!empty($photo[self::$SIZES[$s]])) {
          return self::getPhotoUrl($photo, $s);
        }
      }
      return '';
    } else {
      return $photo[self::$SIZES[$size]];
    }
  }

  public static function getPhotoPageUrl($photo, $photos) {
    $id = $photo['id'];
    $pathKey = self::enablePathAlias() ? 'pathalias' : 'owner';
    $owner = isset($photo[$pathKey]) ? $photo[$pathKey] : false;
    if (!$owner && isset($photos[$pathKey])) {
      $owner = $photos[$pathKey];
    }

    $url = "http://www.flickr.com/photos/$owner/$id";
    return $url;
  }

  public static function loadLanguages() {
    load_plugin_textdomain(self::TEXT_DOMAIN, false, 'wp-flickr-press/languages');
  }

  public static function enableThumbnailFeature() {
    return get_option(self::getKey('enable_thumbnail_feature')) == '1';
  }

  public static function enableExtractThumbnail() {
    return get_option(self::getKey('enable_extract_thumbnail')) == '1';
  }

  public static function isExtractThumbnailByPostID($postId) {
    if (!self::enableThumbnailFeature()) return false;

    if (!$postId) {
      return false;
    }

    $use = get_post_meta($postId, 'wpfp_use_post_thumbnail', true);
    if ('0' === $use) {
      $use = false;
    } else if ('1' === $use) {
      $use = true;
    } else {
      $use = FlickrPress::enableExtractThumbnail();
    }
    return $use;
  }

  public static function isExtractThumbnailByMetadata($metadata) {
    if (!self::enableThumbnailFeature()) return false;

    $use = $metadata && isset($metadata['wpfp_use_post_thumbnail']) ? maybe_unserialize( $metadata['wpfp_use_post_thumbnail'][0] ) : false;
    if ('0' === $use) {
      $use = false;
    } else if ('1' === $use) {
      $use = true;
    } else {
      $use = FlickrPress::enableExtractThumbnail();
    }
    return $use;

  }

  public static function getThumbnailSize() {
    return get_option(self::getKey('thumbnail_size'), 'q');
  }

  public static function getThumbnailSizeSuffix($size='') {
    if ( $size ) {
      if ( array_key_exists($size, self::$SIZE_TO_SUFFIX_MAPS) ) {
        return self::$SIZE_TO_SUFFIX_MAPS[ $size ];
      } else {
        return $size;
      }
    } else {
      return self::$SIZE_TO_SUFFIX_MAPS[ self::getThumbnailSize() ];
    }
  }

  public static function isThumbnailSize($size='') {
    return array_key_exists($size, self::$SIZE_TO_SUFFIX_MAPS);
  }

  public static function getDebugInfoText() {
    $debug_items = array();
    $debug_items[] = "WordPress version: " . get_bloginfo('version');
    $debug_items[] = "wp-flickr-press version: " . FlickrPress::VERSION;
    $debug_items[] = " ├ debug_mode: " . (FlickrPress::isDebugMode() ? 'ON' : 'OFF');
    $debug_items[] = " └ enable_path_alias: " . (FlickrPress::enablePathAlias() ? 'ON' : 'OFF');
    $debug_items[] = "PHP version: " . @phpversion();
    $debug_items[] = " ├ safe_mode: " . (@ini_get('safe_mode') ? 'ON' : 'OFF');
    $debug_items[] = " └ curl: " . (@function_exists('curl_init') ? 'ENABLED' : 'DISABLED');
    return implode("\n", $debug_items);
  }
}
?>