*
* @param int $category_id
* @param mixed $user an user_id (as int) or an username (as string)
- * @return int number of videos or NULL if an error occured
+ * @return int number of videos or FALSE if an error occured
*/
public function get_videos_count($category_id = NULL, $user = NULL)
{
return $query->row()->count;
// Error
- return NULL;
+ return FALSE;
}
/**
* If $name does not match with the video's `name` from the DB an error is
* marked in the key 'err'. If it's NULL it is ignored.
*
- * @access public
- * @param string $id video's `id` column from `videos` DB table
- * @param string $name video's `name` column from `videos` DB
+ * @access public
+ * @param string $id video's `id` column from `videos` DB table
+ * @param string $name video's `name` column from `videos` DB
* table. NULL means there is no name provided.
- * @return array an associative list with information about a video
+ * @return array an associative list with information about a video
* with the following keys:
* <ul>
* <li>all columns form DB with some exceptions that are overwritten or new</li>
public function get_video($id, $name = NULL)
{
$this->load->helper('video');
+ $this->load->helper('text');
$query = $this->db->query("SELECT v.*, u.username
FROM `videos` v, `users` u
foreach ($video['assets'] as & $asset)
{
$def = substr($asset['res'], strpos($asset['res'], 'x') + 1) . 'p';
+ $asset['def'] = $def;
$asset['src'] = site_url('data/torrents/'. $video['name'] . '_'
. $def . '.'. $asset['ext']
. '.'. $this->config->item('default_torrent_ext'));
// Thumbnails
$video['thumbs'] = $this->get_thumbs($video['name'], $video['thumbs_count']);
+ // Shorted description
+ $video['shorted_description'] = character_limiter(
+ $video['description'], 128);
+
return $video;
}
+ /**
+ * Adds a new uploaded video to the DB.
+ *
+ * @param string $name
+ * @param string $title
+ * @param string $description
+ * @param string $tags comma separated tags
+ * @param string $duration video duration formatted [HH:]mm:ss
+ * @param array $formats a dictionary corresponding to `formats` JSON
+ * column from `videos` table
+ * @param int $category_id
+ * @param int $user_id
+ * @return mixed returns an activation code on success or FALSE otherwise
+ */
+ public function add_video($name, $title, $description, $tags, $duration,
+ $formats, $category_id, $user_id)
+ {
+ // Tags.
+ $json_tags = array();
+ $tok = strtok($tags, ',');
+ while ($tok != FALSE)
+ {
+ $json_tags[trim($tok)] = 0;
+
+ $tok = strtok(',');
+ }
+ $json_tags = json_encode($json_tags);
+
+ // TODO formats
+ $json_formats = json_encode($formats);
+
+ $query = $this->db->query("INSERT INTO `videos`
+ (name, title, description, duration, formats, category_id,
+ user_id, tags, date)
+ VALUES ('$name', '$title', '$description', '$duration',
+ '$json_formats', $category_id,
+ $user_id, '$json_tags', utc_timestamp())");
+ if ($query === FALSE)
+ return FALSE;
+
+ // Find out the id of the new video added.
+ $query = $this->db->query("SELECT id from `videos`
+ WHERE name = '$name'");
+ if ($query->num_rows() === 0)
+ return FALSE;
+ $video_id = $query->row()->id;
+
+ // Activation code.
+ $activation_code = Videos_model::gen_activation_code();
+
+ $query = $this->db->query("INSERT INTO `videos_unactivated`
+ (video_id, activation_code)
+ VALUES ($video_id, '$activation_code')");
+
+ return $activation_code;
+ }
+
+ /**
+ * Retrieves comments for a video.
+ *
+ * @param int $video_id
+ * @param int $offset
+ * @param int $count
+ * @param string $ordering control comments ording by these possibilities:
+ * <ul>
+ * <li><strong>'hottest':</strong> newest most appreciated first. An
+ * appreciated comment is one which has a bigger
+ * score = likes - dislikes.</li>
+ * <li><strong>'newest':</strong> newest first.</li>
+ * </ul>
+ * @return array an array with comments
+ */
+ public function get_video_comments($video_id, $offset, $count,
+ $ordering = 'newest')
+ {
+ $this->load->helper('date');
+ $cond_hottest = '';
+
+ // Ordering
+ switch ($ordering)
+ {
+ case 'newest':
+ $order_statement = "ORDER BY time DESC";
+ break;
+ case 'hottest':
+ $order_statement = "ORDER BY score DESC, time DESC";
+ $cond_hottest = "AND c.likes + c.dislikes > 0";
+ break;
+
+ default:
+ $order_statement = "";
+ }
+
+ $query = $this->db->query(
+ "SELECT c.*, u.username, u.time_zone, (c.likes + c.dislikes) AS score
+ FROM `videos_comments` c, `users` u
+ WHERE c.user_id = u.id AND video_id = $video_id $cond_hottest
+ $order_statement
+ LIMIT $offset, $count");
+
+ if ($query->num_rows() == 0)
+ return array();
+
+ $comments = $query->result_array();
+
+ foreach ($comments as & $comment)
+ {
+ $comment['local_time'] = human_gmt_to_human_local($comment['time'],
+ $comment['time_zone']);
+ }
+
+ return $comments;
+ }
+
+ public function get_video_comments_count($video_id)
+ {
+ $query = $this->db->query(
+ "SELECT COUNT(*) count
+ FROM `videos_comments`
+ WHERE video_id = $video_id");
+
+ if ($query->num_rows() == 0)
+ return FALSE;
+
+ return $query->row()->count;
+ }
+
+ /**
+ * Insert in DB a comment for a video.
+ *
+ * @param int $video_id
+ * @param int $user_id
+ * @param string $content
+ */
+ public function comment_video($video_id, $user_id, $content)
+ {
+ // Prepping content.
+ $content = substr($content, 0, 512);
+ $content = htmlspecialchars($content);
+ $content = nl2br($content);
+
+ return $query = $this->db->query(
+ "INSERT INTO `videos_comments` (video_id, user_id, content, time)
+ VALUES ($video_id, $user_id, '$content', UTC_TIMESTAMP())");
+ }
+
/**
* Increments views count for a video.
*
return FALSE;
}
+ public function vote_comment($comment_id, $user_id, $like = TRUE)
+ {
+ if ($like)
+ {
+ $col = 'likes';
+ $action = 'like';
+ }
+ else
+ {
+ $col = 'dislikes';
+ $action = 'dislike';
+ }
+
+ $query = $this->db->query("SELECT * FROM `users_actions`
+ WHERE user_id = $user_id
+ AND target_id = $comment_id
+ AND target_type = 'vcomment'
+ AND action = '$action'
+ AND date = CURDATE()");
+ // User already voted today
+ if ($query->num_rows() > 0)
+ return -1;
+
+ $this->db->query("UPDATE `videos_comments`
+ SET $col = $col + 1
+ WHERE id = $comment_id");
+
+ // Mark this action so that the user cannot repeat it today.
+ $this->db->query("INSERT INTO `users_actions`
+ (user_id, action, target_type, target_id, date)
+ VALUES ( $user_id, '$action', 'vcomment', $comment_id, CURDATE() )");
+
+ $query = $this->db->query("SELECT $col FROM `videos_comments`
+ WHERE id = $comment_id");
+
+ if ($query->num_rows() === 1)
+ {
+ $row = $query->row_array();
+ return $row[ $col ];
+ }
+
+ // Error
+ return FALSE;
+ }
+
public function get_thumbs($name, $count)
{
$thumbs = array();
// Search word fragments.
// sfc = search fragment condition
$sfc = "( ";
- // sfr = serach fragment relevation
+ // sfr = search fragment relevance
$sfr = "( ";
$sep = ' +-*<>()~"';
$fragm = strtok($search_query, $sep);
OR description LIKE '%$fragm%'
OR tags LIKE '%$fragm%') OR ";
- // Frament relevations are half of boolean relevations such
+ // Frament relevances are half of boolean relevances such
// that they will appear at the end of the results.
$sfr .= "0.25 * (title LIKE '%$fragm%')
+ 0.1 * (description LIKE '%$fragm%')
else
{
// TODO select data, description if details are needed
- $selected_columns = "id, name, title, duration, user_id, views,
- thumbs_count, default_thumb,
+ $selected_columns = "v.id, name, title, duration, user_id, views,
+ thumbs_count, default_thumb, u.username,
(views + likes - dislikes) AS score,
$relevance";
$order = "ORDER BY relevance DESC, score DESC";
$category_cond = "";
$str_query = "SELECT $selected_columns
- FROM `videos`
- WHERE $category_cond ( $search_cond )
+ FROM `videos` v, `users` u
+ WHERE v.user_id = u.id AND $category_cond ( $search_cond )
$order
$limit";
// echo "<p>$str_query</p>";
return (preg_match('/\*|\+|\-|>|\<|\(|\)|~|"/', $search_query) == 0
? FALSE : TRUE);
}
+
+ public static function gen_activation_code()
+ {
+ $ci =& get_instance();
+
+ $activation_code = substr(
+ sha1($ci->config->item('encryption_key')
+ . mt_rand()),
+ 0,
+ 16);
+
+ return $activation_code;
+ }
}
/* End of file videos_model.php */
projects / living-lab-site.git / blobdiff