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<?php // $Id: movino_videos.inc,v 1.14 2008/05/04 15:52:40 tomsun Exp $
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/*
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Movino Web Frontend - Server handling, feed parsing and feed caching
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Copyright 2006, 2007 Tom Sundström
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* Parses all feeds from all servers.
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* Ignores recently updated feeds.
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*/
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function movino_update_video_cache($type = NULL) {
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// If the feed is updated after this point in time, skip it.
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$feed_live_expires = time() - variable_get('movino_feed_age_live', 10);
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$feed_archive_expires = time() - variable_get('movino_feed_age_archive', 300);
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$servers = movino_get_servers();
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if (empty($servers)) {
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return;
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}
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foreach ($servers as $server) {
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$processed = array();
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$skipped = array();
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if (empty($server['feed_live'])) {
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$skipped[] = 'live';
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} else {
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if ($server['feed_live_updated'] > $feed_live_expires || $type == 'archived') {
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$skipped[] = 'live';
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} else {
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movino_server_update_feed_age($server['id'], 'live');
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$feed = _movino_feed_parse(movino_feed_url($server, 'live'));
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if (empty($feed)) {
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// $skipped[] = 'live';
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} else {
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foreach ($feed as $video) {
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$video['type'] = 'live';
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$video['server'] = $server['id'];
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if ($cached_video = movino_get_video($video['server'], $video['id'], FALSE, TRUE, $video['username'], $video['created'])) {
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// Update if necessary.
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$processed[] = $cached_video['vid'];
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if ($cached_video['available'] == 0 || $cached_video['type'] != $video['type'] || $cached_video['position'] != $video['position'] || $cached_video['trail'] != $video['trail'] || $cached_video['title'] != $video['title'] || $cached_video['author'] != $video['author'] || (empty($cached_video['preview']) && !empty($video['preview']))) {
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movino_update_video($video);
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}
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} else {
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$processed[] = movino_insert_video($video);
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}
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}
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}
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}
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}
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if (empty($server['feed_archive'])) {
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$skipped[] = 'archived';
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} else {
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if ($server['feed_archive_updated'] > $feed_archive_expires || $type == 'live') {
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$skipped[] = 'archived';
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} else {
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movino_server_update_feed_age($server['id'], 'archive');
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$feed = _movino_feed_parse(movino_feed_url($server, 'archive'));
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if (empty($feed)) {
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$skipped[] = 'archived';
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} else {
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foreach ($feed as $video) {
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$video['type'] = 'archived';
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$video['server'] = $server['id'];
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if ($cached_video = movino_get_video($video['server'], $video['id'], FALSE, TRUE, $video['username'], $video['created'])) {
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$processed[] = $cached_video['vid'];
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if ($cached_video['available'] == 0 || $cached_video['type'] != $video['type'] || $cached_video['position'] != $video['position'] || $cached_video['trail'] != $video['trail'] || $cached_video['title'] != $video['title'] || $cached_video['author'] != $video['author']) {
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movino_update_video($video);
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}
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} else {
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$processed[] = movino_insert_video($video);
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}
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}
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}
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}
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}
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/*
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global $user;
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if ($user->uid == 1) {
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drupal_set_message('test ' . $server['id']);
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}
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*/
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if ((empty($skipped) || !in_array('live', $skipped)) && (variable_get('movino_unpublish', 1) != 0)) {
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/*
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if ($user->uid == 1) {
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drupal_set_message('unpublish ' . $server['id']);
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}
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*/
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// Unpublish all live streams no longer available.
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$sql = "SELECT vid, id, server FROM {movino_videos} WHERE available = 1 AND server = '%s' AND type = 'live' ";
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$additional_conditions = '';
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if (!empty($processed)) {
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$additional_conditions .= 'AND vid != ' . implode(' AND vid != ', $processed) . ' ';
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}
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$results = db_query($sql . $additional_conditions, $server['id']);
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while($video = db_fetch_array($results)) {
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/*
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if ($user->uid == 1) {
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drupal_set_message('deactivate: ' . print_r($video, TRUE));
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}
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*/
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// Allow other modules to perform actions on inactive videos.
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module_invoke_all('movino_video_deactivate', $video);
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}
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// Mark all inactive videos.
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$sql = "UPDATE {movino_videos} SET available = 0 WHERE type = 'live' AND available = 1 AND server = '%s' ";
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db_query($sql . $additional_conditions, $server['id']);
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}
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/* No need to unpublish archived videos for now...
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if ((empty($skipped) || count($skipped) == 1) && (variable_get('movino_unpublish', 1) != 0)) {
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// Find all videos in cache originating from this server, which were
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// no longer found in the server feeds.
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$sql = "SELECT vid, id, server FROM {movino_videos} WHERE available = 1 AND server = '%s' ";
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$additional_conditions = '';
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if (!empty($processed)) {
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$additional_conditions .= 'AND vid != ' . implode(' AND vid != ', $processed) . ' ';
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}
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if (!empty($skipped)) {
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$additional_conditions .= "AND type != '" . implode("' AND type != '", $skipped) . "' ";
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}
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$results = db_query($sql . $additional_conditions, $server['id']);
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while($video = db_fetch_array($results)) {
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// Allow other modules to perform actions on inactive videos.
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module_invoke_all('movino_video_deactivate', $video);
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}
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// Mark all inactive videos.
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$sql = "UPDATE {movino_videos} SET available = 0 WHERE available = 1 AND server = '%s' ";
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db_query($sql . $additional_conditions, $server['id']);
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}
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*/
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}
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}
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/**
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* Inserts a new video into DB
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*/
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function movino_insert_video($video) {
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if (empty($video)) {
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return FALSE;
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}
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$query = <<<END
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INSERT INTO {movino_videos} SET
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vid = %d,
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id = '%s',
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server = '%s',
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type = '%s',
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title = '%s',
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author = '%s',
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username = '%s',
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url = '%s',
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size = '%s',
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created = %d,
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length = %d,
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encoding = '%s',
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preview = '%s',
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position = '%s',
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trail = '%s',
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available = 1,
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published = 1,
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removed = 0
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END;
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$video['vid'] = db_next_id('{movino_videos}_vid');
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if ($result = db_query($query,
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$video['vid'],
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$video['id'],
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$video['server'],
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$video['type'],
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$video['title'],
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$video['author'],
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empty($video['username']) ? '' : $video['username'],
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$video['url'],
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$video['size'],
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$video['created'],
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$video['length'],
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$video['encoding'],
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$video['preview'],
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$video['position'],
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$video['trail'])) {
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// Allow modules to interact when a video has been inserted.
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movino_invoke_all('movino_video_insert', $video);
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino video ' . $video['title'] . ' (' . $video['id'] . ') is added.');
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}
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return $video['vid'];
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} else {
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if (MOVINO_DEBUG) {
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drupal_set_message('Unknown error - Movino video ' . $video['title'] . ' (' . $video['id'] . ') not added.', 'error');
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}
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return 0;
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}
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}
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/**
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* Updates a video in DB
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*/
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function movino_update_video($video) {
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if (empty($video)) {
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return FALSE;
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}
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$query = <<<END
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UPDATE {movino_videos} SET
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type = '%s',
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title = '%s',
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author = '%s',
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username = '%s',
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url = '%s',
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size = '%s',
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created = %d,
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length = %d,
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encoding = '%s',
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preview = '%s',
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position = '%s',
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trail = '%s',
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available = 1,
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published = 1,
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removed = 0
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WHERE id = '%s'
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AND server = '%s'
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END;
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if ($result = db_query($query,
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$video['type'],
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$video['title'],
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$video['author'],
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empty($video['username']) ? '' : $video['username'],
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$video['url'],
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$video['size'],
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$video['created'],
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$video['length'],
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$video['encoding'],
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$video['preview'],
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$video['position'],
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$video['trail'],
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$video['id'],
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$video['server'])) {
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// Allow modules to interact when a video has been updated.
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$video = movino_get_video($video['server'], $video['id']);
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module_invoke_all('movino_video_update', $video);
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino video ' . $video['title'] . ' (' . $video['id'] . ') is updated.');
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}
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return 1;
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} else {
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if (MOVINO_DEBUG) {
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drupal_set_message('Unknown error - Movino video ' . $video['title'] . ' (' . $video['id'] . ') not updated.', 'error');
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}
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return 0;
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}
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}
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/**
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* Marks video as unpublished (compare to node status = 0).
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*/
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function movino_unpublish_video($vid) {
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db_query('UPDATE {movino_videos} SET published = 0 WHERE vid = %d', $vid);
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}
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/**
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* Marks video as published (compare to node status = 1).
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*/
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function movino_republish_video($vid) {
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db_query('UPDATE {movino_videos} SET published = 1 WHERE vid = %d', $vid);
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}
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/**
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* Mark video as removed (i.e. not supposed to be returned in searches regardless of publishing status and server availability).
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*/
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function movino_remove_video($vid) {
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db_query('UPDATE {movino_videos} SET removed = 1 WHERE vid = %d', $vid);
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}
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/**
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* Returns a single video.
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*/
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function movino_get_video_by_vid($vid, $prepare = TRUE, $include_deactivated = TRUE) {
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$sql = 'SELECT * FROM {movino_videos} WHERE vid = %d ' . ($include_deactivated ? '' : 'AND available = 1 AND removed = 0 AND published = 1 ');
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$result = db_query($sql, $vid);
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if ($video = db_fetch_array($result)) {
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if (MOVINO_DEBUG && $prepare) {
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drupal_set_message('Loaded single video by vid: '. $video['title'] . ' (' . $video['id'] . ')');
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}
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$video = ($prepare ? _movino_videos_prepare(array($video)) : array($video));
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return array_shift($video);
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}
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return FALSE;
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}
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/**
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* Returns a single video.
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*/
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function movino_get_video($server_id, $video_id, $prepare = TRUE, $deactivated = FALSE, $username = NULL, $created = NULL) {
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return movino_get_videos('single', $server_id, $video_id, 0, 0, $prepare, $deactivated, $username, $created);
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}
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/**
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* Returns a list of videos. Uses cached values when possible.
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* @param string $op
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* 'archived' - return only archived videos
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* 'live' - return only live videos
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* 'single' - return a single video
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* 'all' - return all videos
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*
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* @param mixed $servers
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* Restrict search to a single server (string) or multiple servers (array).
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*
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* @param string $vid
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* When returning a single video, the video id is required (as well as the server id).
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*
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* @param integer $limit
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* Maximum number of videos to return (newest first).
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*
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* @param integer $offset
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* Number of newest videos to skip (useful for pagination).
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*
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* @param integer $prepare
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* Whether or not to execute video preparation hooks.
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*/
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function movino_get_videos($op = 'all', $servers = NULL, $video_id = NULL, $limit = 0, $offset = 0, $prepare = TRUE, $deactivated = FALSE, $username = NULL, $created = NULL, $max_age = 0) {
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if (defined('MOVINO_STANDALONE')) {
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// No DB - no caching - reload feeds once per page load and keep feed contents in memory.
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return movino_get_videos_direct($op, $servers, $video_id, $limit, $offset, $prepare);
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}
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if ($op == 'single') {
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$sql = "SELECT * FROM {movino_videos} WHERE server = '%s' AND id = '%s' " . ($deactivated ? '' : 'AND available = 1 AND published = 1 AND removed = 0 ');
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$params = array($servers, $video_id);
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if ($username != NULL) {
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if (!is_array($username)) {
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$username = array($username);
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}
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$sql .= "AND ( ";
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$first = TRUE;
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foreach($username as $name) {
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if (!$first) {
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$sql .= "OR ";
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}
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$first = FALSE;
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$sql .= "username = '%s' ";
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$params[] = $name;
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| 384 |
}
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| 385 |
$sql .= " ) ";
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| 386 |
}
|
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| 388 |
if ($created != NULL) {
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| 389 |
$sql .= "AND created = %d ";
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$params[] = $created;
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}
|
| 392 |
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| 393 |
if ($max_age > 0) {
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| 394 |
$sql .= "AND created >= %d ";
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| 395 |
$params[] = $max_age;
|
| 396 |
}
|
| 397 |
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| 398 |
$result = db_query($sql ,$params);
|
| 399 |
if ($video = db_fetch_array($result)) {
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| 400 |
if (MOVINO_DEBUG && $prepare) {
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| 401 |
drupal_set_message('Loaded single video: '. $video['title'] . ' (' . $video['id'] . ')');
|
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}
|
| 403 |
$video = ($prepare ? _movino_videos_prepare(array($video)) : array($video));
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| 404 |
return array_shift($video);
|
| 405 |
}
|
| 406 |
return FALSE;
|
| 407 |
}
|
| 408 |
|
| 409 |
$sql = 'SELECT * FROM {movino_videos} ' . ($deactivated ? '' : ' WHERE available = 1 AND published = 1 AND removed = 0 ');
|
| 410 |
$params = array();
|
| 411 |
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| 412 |
if ($op == 'live' || $op == 'archived') {
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| 413 |
$sql .= "AND type = '%s' ";
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| 414 |
$params[] = $op;
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| 415 |
}
|
| 416 |
/*
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| 417 |
if ($username != NULL) {
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| 418 |
$sql .= "AND username = '%s' ";
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$params[] = $username;
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| 420 |
}
|
| 421 |
*/
|
| 422 |
if ($username != NULL) {
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| 423 |
if (!is_array($username)) {
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| 424 |
$username = array($username);
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| 425 |
}
|
| 426 |
$sql .= "AND ( ";
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| 427 |
$first = TRUE;
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| 428 |
foreach($username as $name) {
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| 429 |
if (!$first) {
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| 430 |
$sql .= "OR ";
|
| 431 |
}
|
| 432 |
$first = FALSE;
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| 433 |
$sql .= "username = '%s' ";
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$params[] = $name;
|
| 435 |
}
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| 436 |
$sql .= " ) ";
|
| 437 |
}
|
| 438 |
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| 439 |
if ($created != NULL) {
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| 440 |
$sql .= "AND created = %d ";
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| 441 |
$params[] = $created;
|
| 442 |
}
|
| 443 |
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| 444 |
if ($max_age > 0) {
|
| 445 |
$sql .= "AND created >= %d ";
|
| 446 |
$params[] = $max_age;
|
| 447 |
}
|
| 448 |
|
| 449 |
if ($servers != NULL && !is_array($servers)) {
|
| 450 |
$servers = array($servers);
|
| 451 |
}
|
| 452 |
if (!empty($servers)) {
|
| 453 |
$sql .= 'AND (';
|
| 454 |
$scnt = count($servers);
|
| 455 |
foreach($servers as $server) {
|
| 456 |
$sql .= "server = '%s' ";
|
| 457 |
$params[] = $server;
|
| 458 |
$scnt--;
|
| 459 |
if ($scnt > 0) {
|
| 460 |
$sql .= 'OR ';
|
| 461 |
}
|
| 462 |
}
|
| 463 |
$sql .= ') ';
|
| 464 |
}
|
| 465 |
|
| 466 |
$sql .= 'ORDER BY created DESC ';
|
| 467 |
|
| 468 |
if ($limit > 0) {
|
| 469 |
$sql .= 'LIMIT ' . $limit . ' ';
|
| 470 |
$params[] = $limit;
|
| 471 |
}
|
| 472 |
if ($offset > 0) {
|
| 473 |
$sql .= 'OFFSET ' . $offset . ' ';
|
| 474 |
$params[] = $offset;
|
| 475 |
}
|
| 476 |
|
| 477 |
$videos = array();
|
| 478 |
$results = db_query($sql, $params);
|
| 479 |
while($video = db_fetch_array($results)) {
|
| 480 |
$videos[] = $video;
|
| 481 |
}
|
| 482 |
if (MOVINO_DEBUG) {
|
| 483 |
drupal_set_message('Loaded multiple videos: '. count($videos) . ' - ' . $limit);
|
| 484 |
}
|
| 485 |
return $video = ($prepare ? _movino_videos_prepare($videos) : $videos);
|
| 486 |
}
|
| 487 |
|
| 488 |
|
| 489 |
/**
|
| 490 |
* Alternative way of reading video data.
|
| 491 |
* Loads all feeds into memory once per page load.
|
| 492 |
* For situations when we don't use a database (standalone version).
|
| 493 |
*/
|
| 494 |
function movino_get_videos_direct($op = 'all', $servers = NULL, $video_id = NULL, $limit = 0, $offset = 0, $prepare = TRUE) {
|
| 495 |
static $videos = array();
|
| 496 |
static $lookup = array();
|
| 497 |
|
| 498 |
// Parse all feeds.
|
| 499 |
if (empty($feeds)) {
|
| 500 |
|
| 501 |
$server_info = movino_get_servers();
|
| 502 |
if (empty($server_info)) {
|
| 503 |
return;
|
| 504 |
}
|
| 505 |
foreach($server_info as $server) {
|
| 506 |
if (!empty($server['feed_live'])) {
|
| 507 |
$feed = _movino_feed_parse(movino_feed_url($server, 'live'));
|
| 508 |
if (!empty($feed) && is_array($feed)) {
|
| 509 |
foreach ($feed as $video) {
|
| 510 |
$video['type'] = 'live';
|
| 511 |
$key = $video['created'] . '-' . $server['id'] . '-' . $video['id'];
|
| 512 |
$lookup[$server['id']][$video['id']] = $key;
|
| 513 |
$videos[$key] = $video;
|
| 514 |
// Instead of implementing hook_movino_video_prepare() for standalone version.
|
| 515 |
$videos[$key]['page'] = 'movino/video/' . $video['server'] . '/' . $video['id'];
|
| 516 |
}
|
| 517 |
}
|
| 518 |
}
|
| 519 |
if (!empty($server['feed_archive'])) {
|
| 520 |
$feed = _movino_feed_parse(movino_feed_url($server, 'archive'));
|
| 521 |
if (!empty($feed) && is_array($feed)) {
|
| 522 |
foreach ($feed as $video) {
|
| 523 |
$video['type'] = 'archived';
|
| 524 |
$key = $video['created'] . '-' . $server['id'] . '-' . $video['id'];
|
| 525 |
$lookup[$server['id']][$video['id']] = $key;
|
| 526 |
$videos[$key] = $video;
|
| 527 |
// Instead of implementing hook_movino_video_prepare() for standalone version.
|
| 528 |
$videos[$key]['page'] = 'movino/video/' . $server['id'] . '/' . $video['id'];
|
| 529 |
}
|
| 530 |
}
|
| 531 |
}
|
| 532 |
}
|
| 533 |
// Sort results.
|
| 534 |
krsort($videos);
|
| 535 |
}
|
| 536 |
|
| 537 |
if ($op == 'single') {
|
| 538 |
$videos = $video = ($prepare ? _movino_videos_prepare(array($videos[$lookup[$servers][$video_id]])) : $array($videos[$lookup[$servers][$video_id]]));
|
| 539 |
return array_shift($videos);
|
| 540 |
}
|
| 541 |
|
| 542 |
if ($server != NULL && !is_array($servers)) {
|
| 543 |
$servers = array($servers);
|
| 544 |
}
|
| 545 |
|
| 546 |
$results = array();
|
| 547 |
$result_count = 0;
|
| 548 |
|
| 549 |
foreach($videos as $video) {
|
| 550 |
if ($offset > 0) {
|
| 551 |
$offset -= 1;
|
| 552 |
} else {
|
| 553 |
if ($servers == NULL || in_array($video['serverId'], $servers)) {
|
| 554 |
if ($op == 'all' || $video['type'] == $op) {
|
| 555 |
$results[] = $video;
|
| 556 |
if ($limit > 0 && $result_count == $limit) {
|
| 557 |
return ($prepare ? _movino_videos_prepare($results) : $results);
|
| 558 |
}
|
| 559 |
}
|
| 560 |
}
|
| 561 |
}
|
| 562 |
}
|
| 563 |
|
| 564 |
return ($prepare ? _movino_videos_prepare($results) : $results);
|
| 565 |
}
|
| 566 |
|
| 567 |
|
| 568 |
/**
|
| 569 |
* Count the number of videos in the cache.
|
| 570 |
*/
|
| 571 |
function movino_get_video_count($inactive = FALSE) {
|
| 572 |
$result = db_query('SELECT count(*) FROM {movino_videos} ' . (!$inactive ? 'WHERE available = 1 ' : 'WHERE available != 1 '));
|
| 573 |
if($count = db_fetch_array($result)) {
|
| 574 |
return $count['count(*)'];
|
| 575 |
}
|
| 576 |
return 0;
|
| 577 |
}
|
| 578 |
|
| 579 |
|
| 580 |
/**
|
| 581 |
* Do some preparations on the videos after loading them from the XML feed.
|
| 582 |
*/
|
| 583 |
function _movino_videos_prepare($videos) {
|
| 584 |
if (empty($videos)) {
|
| 585 |
return $videos;
|
| 586 |
}
|
| 587 |
|
| 588 |
foreach ($videos as $key => $video) {
|
| 589 |
$id = $video['id'];
|
| 590 |
|
| 591 |
if (!empty($videos[$key]['size'])) {
|
| 592 |
$size = explode('x', $videos[$key]['size']);
|
| 593 |
if (intval($size[0]) > 0 && intval($size[1] > 0)) {
|
| 594 |
// Split size into width and height
|
| 595 |
$videos[$key]['width'] = $size[0];
|
| 596 |
$videos[$key]['height'] = $size[1];
|
| 597 |
} else {
|
| 598 |
$videos[$key]['width'] = 320;
|
| 599 |
$videos[$key]['height'] = 240;
|
| 600 |
}
|
| 601 |
} else {
|
| 602 |
$videos[$key]['width'] = 320;
|
| 603 |
$videos[$key]['height'] = 240;
|
| 604 |
}
|
| 605 |
|
| 606 |
// Allow moduels to customize values.
|
| 607 |
movino_invoke_all('movino_video_prepare', $videos[$key]);
|
| 608 |
|
| 609 |
// Allow modules to disable video.
|
| 610 |
if (!empty($videos[$key]['disabled'])) {
|
| 611 |
unset($videos[$key]);
|
| 612 |
}
|
| 613 |
}
|
| 614 |
return $videos;
|
| 615 |
}
|
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