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<?php // $Id: movino_node.module,v 1.14 2008/05/04 16:42:16 tomsun Exp $
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/*
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Movino Web Frontend
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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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* Implementation of hook_help().
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*/
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function movino_node_help($section) {
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switch ($section) {
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case 'admin/help#help':
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// TODO: expand
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$output = '<p>'. t('Turns Movino content into Drupal nodes. Useful for interactivity such as commenting and voting as well as for creting customized lists with the Views module.') . '</p>';
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return $output;
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}
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}
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/*************************** MOVINO HOOKS ******************************/
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/**
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* Implementation of hook_movino_video_prepare().
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*/
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function movino_node_movino_video_prepare(&$video) {
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if (movino_node_deleted($video['vid'])) {
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$video['disabled'] = TRUE;
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}
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// Add node specific video info.
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$nid = movino_node_get_video_nid($video['vid']);
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if (!empty($nid)) {
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$node = node_load($nid);
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$video['nid'] = $nid;
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$video['page'] = 'node/' . $nid;
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$video['title'] = $node->title;
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// $video['author'] = theme('username', $node);
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}
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// Optional: add more actions here.
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}
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/**
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* Implementation of hook_movino_video_insert().
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*/
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function movino_node_movino_video_insert($video) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino Node: insert node: ' . $video['title'] . ' (' . $video['vid']. ')');
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}
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// Do not add deleted videos.
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if (movino_node_deleted($video['vid'])) {
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return;
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}
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// Create node.
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$nid = FALSE;
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$node = (object) NULL;
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$node->type = 'movino_node';
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$node->title = $video['title'];
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$node->body = ' '; // Empty description.
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$node->teaser = ' '; // Empty teaser.
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$node->created = $video['created']; // Use create time of the video server.
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// Optional: add more actions here.
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// Code from node_form() that populates the "Publishing options" checkboxes.
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$node_options = variable_get('node_options_'. $node->type, array('status' => 1, 'promote' => 1, 'comment' => 2));
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$node_options['status'] = 1; // Always publish nodes.
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// If this is a new node, fill in the default values.
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foreach (array('status', 'promote', 'sticky') as $nkey) {
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$node->$nkey = (empty($node_options[$nkey]) ? 0 : 1);
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}
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// Code from node_submit() that populates the uid field.
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if (!empty($video['username']) && $account = user_load(array('name' => $video['username']))) {
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$node->uid = $account->uid;
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}
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else {
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$node->uid = 1;
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}
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$node->comment = 2;
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node_save($node);
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_movino_node_set_video_nid($video['vid'], $node->nid);
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino node saved.');
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}
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}
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/**
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* Implementation of hook_movino_video_update().
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*/
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function movino_node_movino_video_update($video) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino Node: activate / update node: ' . $video['title'] . ' (' . $video['vid'] . ')' . print_r($video, TRUE));
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}
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// Do not udpate deleted videos.
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if (movino_node_deleted($video['vid'])) {
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return;
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}
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$nid = movino_node_get_video_nid($video['vid']);
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if (empty($nid)) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Video nid for ' . $video['vid'] . ' not found.');
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}
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// Not found.
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return FALSE;
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}
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// Update node.
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$node = node_load(array('nid' => $nid));
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if (empty($node)) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Could not load node ' . $nid);
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}
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return FALSE;
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}
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if (MOVINO_DEBUG) {
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drupal_set_message('Updating node ' . $nid);
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}
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$node->status = 1; // Make sure the node is published.
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// Optional: add more actions here.
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// Save the node to DB.
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node_save($node);
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}
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/**
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* Implementation of hook_movino_video_deactivate().
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*/
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function movino_node_movino_video_deactivate($video) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino Node: deactivate node - video vid = ' . $video['vid']);
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}
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$nid = movino_node_get_video_nid($video['vid']);
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if (!empty($nid)) {
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$node = node_load($nid);
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$node->status = 0; // Make sure the node gets unpublished.
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// Optional: add more actions here.
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// Save the node to DB.
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node_save($node);
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}
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}
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/*************************** DRUPAL NODE HOOKS ******************************/
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/**
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* Implementation of hook_node_info().
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*/
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function movino_node_node_info() {
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return array(
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'movino_node' => array(
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'name' => t('Movino content'),
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'module' => 'movino_node',
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'description' => t("Movino content"),
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)
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);
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}
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/**
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* Implementation of hook_access().
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*/
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function movino_node_access($op, $node) {
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global $user;
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if ($user->uid == 1) {
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return TRUE;
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}
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switch ($op) {
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case 'create':
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// Never allow users to create Movino nodes.
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// All nodes should be automatically created based on video server feed info.
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return FALSE;
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case 'update':
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if (user_access('edit own Movino content') && ($user->uid == $node->uid)) {
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return TRUE;
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}
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return FALSE;
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case 'delete':
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// Never allow users to delete Movino nodes, as they would be re-generated automatically
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return FALSE;
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case 'view':
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if (movino_node_is_live($node->nid)) {
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if (user_access('view live Movino content')) {
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return TRUE;
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}
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} elseif (user_access('view archived Movino content')) {
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return TRUE;
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}
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return FALSE;
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}
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return FALSE;
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}
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/**
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* Implementation of hook_form().
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*/
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function movino_node_form(&$node) {
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$type = node_get_types('type', $node);
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$video = movino_node_get_video($node->nid);
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$content_info = theme('movino_content', $video, FALSE);
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if (!empty($content_info)) {
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$form['movino_content_info'] = array(
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'#type' => 'item',
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'#title' => t('Movino content'),
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'#value' => $content_info . '<div style="clear: both; "></div>', // TODO: remove <div> at some point.
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'#weight' => -6,
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);
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}
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$form['title'] = array(
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'#type'=> 'textfield',
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'#title' => check_plain($type->title_label),
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'#default_value' => $node->title,
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'#description' => t('Tip: You can set the title from your phone before starting the broadcast, by going to <em>Options » Settings » Title</em> in the phone app.'),
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'#required' => TRUE,
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'#weight' => -5,
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);
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/*
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$form['body'] = array(
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'#type' => 'textarea',
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'#title' => check_plain($type->body_label),
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'#rows' => 20,
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'#default_value' => $node->body,
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'#required' => TRUE,
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);
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*/
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return $form;
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}
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/**
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* Implementation of hook_delete().
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*/
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function movino_node_delete(&$node) {
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if ($video = movino_node_get_video($node->nid)) {
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// Mark as deleted
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db_query('UPDATE {movino_node_mapping} SET deleted = 1 WHERE nid = %d', $node->nid);
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movino_remove_video($video['vid']);
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}
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}
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/**
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* Implementation of hook_update();
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*/
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function movino_node_update($node) {
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if ($video = movino_node_get_video($node->nid)) {
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if ($node->status) {
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movino_republish_video($video['vid']);
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} else {
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movino_unpublish_video($video['vid']);
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}
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}
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}
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/**
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* Implementation of hook_view().
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*/
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function movino_node_view(&$node, $teaser = FALSE, $page = FALSE) {
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if (movino_node_is_live($node->nid)) {
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if (!user_access('view live Movino content')) {
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return $node;
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}
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} elseif (!user_access('view archived Movino content')) {
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return $node;
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}
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$video = movino_node_get_video($node->nid);
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if (!empty($video)) {
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if ($page) {
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$node->content['movino'] = array(
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'#value' => theme('movino_content', $video, TRUE),
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'#weight' => -5,
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);
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}
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if($teaser) {
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$node->content['movino'] = array(
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'#value' => theme('movino_content', $video, FALSE),
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'#weight' => -5,
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);
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}
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}
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return $node;
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}
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/*************************** DATABASE FUNCTIONS ******************************/
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/**
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* Checks whether the given node's video is live or in the archive.
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*/
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function movino_node_is_live($nid) {
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$result = db_query("SELECT nid FROM {movino_node_mapping} n LEFT JOIN {movino_videos} v ON n.vid = v.vid WHERE v.type = 'live' AND n.deleted != 1 AND n.nid = %d", $nid);
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if ($node = db_fetch_array($result)) {
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Returns true if a mapping between the video and a node has been set up,
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* Returns true even after the node is deleted, so that it's possible to
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* delete videos from the site without deleting them from the server.
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*/
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function movino_node_deleted($vid) {
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$result = db_query("SELECT nid FROM {movino_node_mapping} WHERE deleted = 1 AND vid = %d ", $vid);
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if ($node = db_fetch_array($result)) {
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Returns the movino_node nid for a video.
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*/
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function movino_node_get_video_nid($vid) {
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$result = db_query("SELECT nid FROM {movino_node_mapping} WHERE deleted != 1 AND vid = %d ", $vid);
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if ($node = db_fetch_array($result)) {
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return $node['nid'];
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}
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return FALSE;
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}
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/**
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* Returns the video metadata given a node id.
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*/
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function movino_node_get_video($nid) {
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$nodemapping = db_fetch_array(db_query('SELECT v.id, v.server FROM {movino_videos} v LEFT JOIN {movino_node_mapping} n ON n.vid = v.vid WHERE n.deleted != 1 AND n.nid = %d ', $nid));
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if (empty($nodemapping['id']) || empty($nodemapping['server'])) {
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return FALSE;
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}
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$video = movino_get_video($nodemapping['server'], $nodemapping['id'], TRUE, TRUE);
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if (empty($video)) {
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return FALSE;
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}
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return $video;
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}
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/**
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* Maps a movino_node to the movino_video table.
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*/
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function _movino_node_set_video_nid($vid, $nid) {
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$result = db_query("INSERT INTO {movino_node_mapping} SET nid = %d, vid = %d ", $nid, $vid);
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}
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