X-Git-Url: http://p2p-next.cs.pub.ro/gitweb/?a=blobdiff_plain;f=application%2Fmodels%2Fvideos_model.php;h=69e7328ef694db03907f3a5585e103c42e1f5000;hb=aaa8b077bac73addd05114fd2b2ef0829412fac7;hp=f42eb744b88c3b21e29ca8f1e2831199af36a00b;hpb=a4b67ff4aaa76dc95e774be78724909193999ee4;p=living-lab-site.git
diff --git a/application/models/videos_model.php b/application/models/videos_model.php
index f42eb74..69e7328 100644
--- a/application/models/videos_model.php
+++ b/application/models/videos_model.php
@@ -7,7 +7,7 @@
* @author CÄlin-Andrei Burloiu
*/
class Videos_model extends CI_Model {
- private $db = NULL;
+ public $db = NULL;
public function __construct()
{
@@ -15,8 +15,6 @@ class Videos_model extends CI_Model {
{
$this->load->library('singleton_db');
$this->db = $this->singleton_db->connect();
-
- $this->load->helper('url');
}
}
@@ -25,35 +23,72 @@ class Videos_model extends CI_Model {
* displayed in the catalog.
*
* TODO: filter, limit, ordering parameters
+ * @param int $category_id DB category ID
+ * @param int $offset
+ * @param int $count
* @return array a list of videos, each one being an assoc array with:
- * * id, name, title, duration, thumbs_count, default_thumb, views => from DB
- * * video_url => P2P-Tube video URl
- * * TODO: user_id, user_name
- * * thumbs => thumbnail images' URLs
+ *
+ * - id, name, title, duration, thumbs_count, default_thumb, views => from DB
+ * - shorted_title => ellipsized title
+ * - video_url => P2P-Tube video URl
+ * - TODO: user_id, user_name
+ * - thumbs => thumbnail images' URLs
+ *
*/
- public function get_videos_summary()
+ public function get_videos_summary($category_id, $offset, $count)
{
+ $this->load->helper('text');
+
$query = $this->db->query(
'SELECT id, name, title, duration, user_id, views, thumbs_count,
default_thumb
FROM `videos`
- ORDER BY name'); // TODO summary order
- $videos = $query->result_array();
+ WHERE category_id = ?
+ ORDER BY name
+ LIMIT ?, ?', // TODO summary order
+ array(intval($category_id), $offset, $count));
+
+ if ($query->num_rows() > 0)
+ $videos = $query->result_array();
+ else
+ return NULL;
foreach ($videos as & $video)
{
// P2P-Tube Video URL
- $video['video_url'] = site_url(sprintf("video/watch/%d/%s",
+ $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 $videos;
}
+ public function get_videos_count($category_id)
+ {
+ $query = $this->db->query(
+ 'SELECT COUNT(*) count
+ FROM `videos`
+ WHERE category_id = ?',
+ $category_id);
+
+ if ($query->num_rows() > 0)
+ return $query->row()->count;
+
+ // Error
+ return NULL;
+ }
+
/**
* Retrieves information about a video.
*
@@ -66,18 +101,24 @@ class Videos_model extends CI_Model {
* table. NULL means there is no name provided.
* @return array an associative list with information about a video
* with the following keys:
- * * all columns form DB with some exceptions that are overwritten or new
- * * torrents => list of torrent file names formated as
- * {name}_{format}.{default_video_ext}.{default_torrent_ext}
- * * user_name => TODO: user name from `users` table
- * * formats => list of formats like 1080p
- * * category_name => TODO: human-friendly category name
- * * tags => associative list of "tag => score"
- * * date => date and time when the video was created
- * * thumbs => thumbnail images' URLs
+ *
+ * - all columns form DB with some exceptions that are overwritten or new
+ * - content is moved in assets
+ * - assets => list of associative lists where each one represents a
+ * video asset having keys: "src", "res", "par" and "ext". Value of key
+ * "src" is the video torrent formated as
+ * {name}_{format}.{video_ext}.{default_torrent_ext}
+ * - user_name => TODO: user name from `users` table
+ * - category_title => a human-friendly category name
+ * - tags => associative list of "tag => score"
+ * - date => date and time when the video was created
+ * - thumbs => thumbnail images' URLs
+ *
*/
public function get_video($id, $name = NULL)
{
+ $this->load->helper('video');
+
$query = $this->db->query('SELECT *
FROM `videos`
WHERE id = ?', $id);
@@ -96,28 +137,58 @@ class Videos_model extends CI_Model {
}
// Convert JSON encoded string to arrays.
- $video['formats'] = json_decode($video['formats'], TRUE);
+ $video['assets'] = json_decode($video['formats'], TRUE);
+ unset($video['formats']);
$video['tags'] = json_decode($video['tags'], TRUE);
asort($video['tags']);
- $video['tags'] = array_reverse($video['tags'], true);
+ $video['tags'] = array_reverse($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
- $video['torrents'] = array();
- foreach ($video['formats'] as $format)
+ $video['url'] = array();
+ foreach ($video['assets'] as & $asset)
{
- $ext = isset($format['ext']) ?
- $format['ext'] : $this->config->item('default_video_ext');
- $video['torrents'][] = site_url('data/torrents/'. $video['name'] . '_'
- . $format['def'] . '.'. $ext
+ $def = substr($asset['res'], strpos($asset['res'], 'x') + 1) . 'p';
+ $asset['src'] = site_url('data/torrents/'. $video['name'] . '_'
+ . $def . '.'. $asset['ext']
. '.'. $this->config->item('default_torrent_ext'));
}
+ // Category title
+ $categories = $this->config->item('categories');
+ $category_name = $categories[ intval($video['category_id']) ];
+ $video['category_title'] = $category_name ?
+ $this->lang->line("ui_categ_$category_name") : $category_name;
+
// Thumbnails
$video['thumbs'] = $this->get_thumbs($video['name'], $video['thumbs_count']);
+ // TODO: user information
+ $video['user_name'] = 'TODO';
+
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();
@@ -127,6 +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 */