X-Git-Url: http://p2p-next.cs.pub.ro/gitweb/?a=blobdiff_plain;f=application%2Fmodels%2Fvideos_model.php;h=69e7328ef694db03907f3a5585e103c42e1f5000;hb=aaa8b077bac73addd05114fd2b2ef0829412fac7;hp=922efd490c971d895e122cd5dd9fcbc412ec2252;hpb=ad7daf2de4288cff974e97ec9290533ba732df3b;p=living-lab-site.git

diff --git a/application/models/videos_model.php b/application/models/videos_model.php
index 922efd4..69e7328 100644
--- a/application/models/videos_model.php
+++ b/application/models/videos_model.php
@@ -7,7 +7,7 @@
  * @author		Călin-Andrei Burloiu
  */
 class Videos_model extends CI_Model {
-	private $db = NULL;
+	public $db = NULL;
 	
 	public function __construct()
 	{
@@ -16,8 +16,6 @@ class Videos_model extends CI_Model {
 			$this->load->library('singleton_db');
 			$this->db = $this->singleton_db->connect();
 		}
-		
-		$this->load->helper('url');
 	}
 	
 	/**
@@ -85,7 +83,7 @@ class Videos_model extends CI_Model {
 			$category_id);
 		
 		if ($query->num_rows() > 0)
-			return $row = $query->row()->count;
+			return $query->row()->count;
 		
 		// Error
 		return NULL;
@@ -119,6 +117,8 @@ class Videos_model extends CI_Model {
 	 */
 	public function get_video($id, $name = NULL)
 	{
+		$this->load->helper('video');
+		
 		$query = $this->db->query('SELECT * 
 								FROM `videos` 
 								WHERE id = ?', $id);
@@ -143,6 +143,12 @@ class Videos_model extends CI_Model {
 		asort($video['tags']);
 		$video['tags'] = array_reverse($video['tags'], TRUE);
 		
+		// Sort assets by their megapixels number.
+		function access_function($a) { return $a['res']; }
+		function assets_cmp($a, $b) 
+			{ return megapixels_cmp($a, $b, "access_function"); }
+		usort($video['assets'], "assets_cmp");
+		
 		// Torrents
 		$video['url'] = array();
 		foreach ($video['assets'] as & $asset)
@@ -168,6 +174,21 @@ class Videos_model extends CI_Model {
 		return $video;
 	}
 	
+	/**
+	 * Increment a video parameter from DB: `views`, `likes` or `dislikes`.
+	 * 
+	 * @param int $id	DB video id
+	 * @param string $param	DB parameter column name.
+	 * @return void
+	 */
+	public function inc_video_var($id, $var)
+	{
+		// TODO error report if query returns FALSE
+		$this->db->query('UPDATE `videos` '
+						. 'SET `'. $var. '`=`'. $var. '`+1 '
+						. 'WHERE id='. $id); 
+	}
+	
 	public function get_thumbs($name, $count)
 	{
 		$thumbs = array();
@@ -177,6 +198,79 @@ class Videos_model extends CI_Model {
 		
 		return $thumbs;
 	}
+
+	/**
+	 * Searches videos in DB based on a search query string and returns an
+	 * associative array of results.
+	 * If count is zero the function only return the number of results.
+	 * @param string $search_query
+	 * @param int $offset
+	 * @param int $count
+	 * @param int $category_id	if NULL, all categories are searched
+	 * @return array	an associative array with the same keys as that from
+	 * get_videos_summary's result, but with two additional keys: 
+	 * description and date.
+	 */
+	public function search_videos($search_query, $offset = 0, $count = 0, 
+									$category_id = NULL)
+	{
+		if ($count === 0)
+		{
+			$selected_columns = "COUNT(*) count";
+			$limit = "";
+		}
+		else
+		{ 
+			$selected_columns = "id, name, title, duration, user_id, views, thumbs_count, default_thumb, date, description";
+			$limit = "LIMIT $offset, $count";
+		}
+		
+		if ($category_id !== NULL)
+			$category_cond = "category_id = '$category_id' AND ";
+		else
+			$category_cond = "";
+
+		$search_query = trim($search_query);
+		
+		$query = $this->db->query(
+			"SELECT $selected_columns
+			FROM `videos`
+			WHERE  $category_cond MATCH (title, description, tags) AGAINST (?)
+			$limit",
+			array($search_query)); 
+		
+		if ($query->num_rows() > 0)
+		{
+			if ($count === 0)
+				return $query->row()->count;
+			else
+				$videos = $query->result_array();
+		}
+		else
+			return NULL;
+		
+		$this->load->helper('text');
+		
+		foreach ($videos as & $video)
+		{
+			// P2P-Tube Video URL
+			$video['video_url'] = site_url(sprintf("watch/%d/%s",
+				$video['id'], $video['name']));
+			
+			// Thumbnails
+			$video['thumbs'] = $this->get_thumbs($video['name'], 
+				$video['thumbs_count']);
+				
+			// Ellipsized title
+			//$video['shorted_title'] = ellipsize($video['title'], 45, 0.75);
+			$video['shorted_title'] = character_limiter($video['title'], 50);
+			
+			// TODO: user information
+			$video['user_name'] = 'TODO';
+		}
+		
+		return $videos;
+	}
 }
 
 /* End of file videos_model.php */