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October 13, 2010 22:33
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| <?php | |
| /* | |
| blog-from-flickr.php | |
| Allows the WordPress blog owner to blog a recent photo from a Flickr Photoset just by clicking a button. | |
| Author: Mike Schinkel (http://mikeschinkel.com) | |
| Just drop this example into the root of your website and call directly to see it work. | |
| Use the class in your plugins or themes. | |
| In Answer To: http://wordpress.stackexchange.com/questions/2830/ | |
| */ | |
| include "wp-load.php"; | |
| define('FLICKR_API_KEY','{YOUR_FLICKR_API_KEY_GOES_HERE}'); | |
| define('DEFAULT_PHOTOSET_ID','{YOUR DEFAULT_PHOTOSET_GOES_HERE'); | |
| define('FLICKR_PHOTO_COUNT',25); | |
| define('FLICKR_GET_URL','http://api.flickr.com/services/rest/'); | |
| $photoset_id = DEFAULT_PHOTOSET_ID; | |
| if (count($_POST)==0) | |
| echo <<<HTML | |
| <html> | |
| <body> | |
| <form method="post"> | |
| Enter Flickr Photoset ID: <input type="text" name="photoset_id" value="{$photoset_id}" size="25" /> | |
| <input type="submit" value="Blog Recent Photo from Flickr!" /> | |
| <input type="hidden" name="go" value="go!" /> | |
| </form> | |
| </body> | |
| </html> | |
| HTML; | |
| else | |
| BlogFlickrPhotoSetPhoto::blog_photoset_photo($_POST['photoset_id']); | |
| class BlogFlickrPhotoSetPhoto { | |
| static function blog_photoset_photo($photoset_id) { | |
| if (current_user_can('publish_posts')) { | |
| $photoset = self::get_photoset_photos($photoset_id); | |
| if (!$photoset) { | |
| echo 'Not a valid Photoset ID. <a href="#">Try again</a>.'; | |
| } else { | |
| $photo = self::get_photo_to_blog($photoset); | |
| if (!$photo) { | |
| echo 'Unexpected Error. Photo Retrieval Failed.'; | |
| } else { | |
| $permalink = self::blog_photo($photo); | |
| wp_safe_redirect($permalink); | |
| } | |
| } | |
| } | |
| } | |
| static function blog_photo($photo) { | |
| $img = self::get_photo_html($photo); | |
| $photo_info = self::get_photo_info($photo->id); | |
| $description = ($photo_info ? "{$photo_info['body']->photo->description->_content}<br/>" : ''); | |
| $url = self::get_photo_url($photo); | |
| $post_id = wp_insert_post(array( | |
| 'post_title' => $photo->title, | |
| 'post_type' => 'post', | |
| 'post_author' => 1, | |
| 'post_content' => "{$description}{$img}", | |
| 'post_status' => 'publish', | |
| 'comment_status' => 'open', | |
| 'ping_status' => 'open', | |
| 'post_parent' => 0, | |
| )); | |
| if ($post_id) { | |
| update_post_meta($post_id,'_flickr_photo_id',$photo->id); | |
| $url = get_permalink($post_id); | |
| } else { | |
| $url = false; | |
| } | |
| return $url; | |
| } | |
| static function get_photo_to_blog($photoset) { | |
| global $wpdb; | |
| $photo = false; | |
| if (isset($photoset['body']->photoset->photo)) { | |
| //Collect the list of Flickr Photo_ids from our "N" most resent photoset photos | |
| $photos = $photoset['body']->photoset->photo; | |
| foreach($photos as $index => $photo) { | |
| $photo_ids[$index] = $photo->id; | |
| } | |
| $photo_id_list = "'" . implode("','",$photo_ids) . "'"; | |
| //Get a list of all photos we've already blogged | |
| $posts = $wpdb->get_results("SELECT post_id,meta_value FROM wp_postmeta WHERE meta_key='_flickr_photo_id' && meta_value IN ({$photo_id_list})"); | |
| //Remove any photos from the list we've already blogged | |
| $photo_ids = array_flip($photo_ids); | |
| foreach($posts as $post) { | |
| if (isset($photo_ids[$post->meta_value])) { | |
| unset($photo_ids[$post->meta_value]); | |
| } | |
| } | |
| //Grab the earliest photo we've not blogged | |
| if (count($photo_ids)==0) { | |
| $photo = false; | |
| } else { | |
| krsort($photo_ids); | |
| $photo = $photos[reset($photo_ids)]; | |
| } | |
| } | |
| return $photo; | |
| } | |
| static function get_photoset_photos($photoset_id) { | |
| $photoset = self::flickr_get(array( | |
| 'method' => 'flickr.photosets.getPhotos', | |
| 'photoset_id' => $photoset_id, | |
| 'media' => 'photos', | |
| 'per_page' => FLICKR_PHOTO_COUNT, | |
| )); | |
| return $photoset; | |
| } | |
| static function get_photo_info($photo_id) { | |
| $photo_info = self::flickr_get(array( | |
| 'method' => 'flickr.photos.getInfo', | |
| 'photo_id' => $photo_id, | |
| )); | |
| return $photo_info; | |
| } | |
| static function get_photo_html($photo,$size='') { | |
| $url = self::get_photo_url($photo,$size); | |
| list($width, $height) = getimagesize($url); | |
| $hwstring = image_hwstring($width, $height); | |
| return "<img src=\"{$url}\" alt=\"{$title}\" {$hwstring} />\n"; | |
| } | |
| static function get_photo_url($photo,$size='') { | |
| extract((array)$photo); | |
| $size = (!empty($size) ? "_{$size}" : ''); // If empty the 500px version will be returned. | |
| return "http://farm{$farm}.static.flickr.com/{$server}/{$id}_{$secret}{$size}.jpg"; | |
| } | |
| static function flickr_get($params,$args=array()) { | |
| $http = new WP_Http(); | |
| $params['api_key'] = FLICKR_API_KEY; | |
| $params['format'] = 'json'; | |
| $params['nojsoncallback'] = 1; | |
| $params = http_build_query($params); | |
| $url = FLICKR_GET_URL . "?{$params}"; | |
| $result = $http->get($url,$args); | |
| if (isset($result['response']['code']) && $result['response']['code'] == 200) | |
| $result['body'] = json_decode($result['body']); | |
| else | |
| $result = false; | |
| return $result; | |
| } | |
| } | |
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