X-Git-Url: http://p2p-next.cs.pub.ro/gitweb/?a=blobdiff_plain;f=application%2Fmodels%2Fvideos_model.php;h=69e7328ef694db03907f3a5585e103c42e1f5000;hb=aaa8b077bac73addd05114fd2b2ef0829412fac7;hp=0ae47b1fe8e0ff4d1a7612dcfe1c55927524ffe7;hpb=6c67c9d74550575fbc96be0baad42260c2dbcb6a;p=living-lab-site.git diff --git a/application/models/videos_model.php b/application/models/videos_model.php index 0ae47b1..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() { @@ -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'); } } @@ -25,34 +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 $count * @return array a list of videos, each one being an assoc array with: - * * id, name, title, duration, thumbs_count, default_thumb, views => from DB - * * video_url => P2P-Tube video URl - * * TODO: user_id, user_name - * * thumbs => thumbnail images' URLs + * */ - public function get_videos_summary() + public function get_videos_summary($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`'); - $videos = $query->result_array(); + FROM `videos` + WHERE category_id = ? + ORDER BY name + LIMIT ?, ?', // TODO summary order + array(intval($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 $query->row()->count; + + // Error + return NULL; + } + /** * Retrieves information about a video. * @@ -65,18 +101,24 @@ class Videos_model extends CI_Model { * table. NULL means there is no name provided. * @return array an associative list with information about a video * with the following keys: - * * all columns form DB with some exceptions that are overwritten or new - * * torrents => list of torrent file names formated as - * {name}_{format}.{default_video_ext}.{default_torrent_ext} - * * user_name => TODO: user name from `users` table - * * formats => list of formats like 1080p - * * category_name => TODO: human-friendly category name - * * tags => associative list of "tag => score" - * * date => date and time when the video was created - * * thumbs => thumbnail images' URLs + * */ public function get_video($id, $name = NULL) { + $this->load->helper('video'); + $query = $this->db->query('SELECT * FROM `videos` WHERE id = ?', $id); @@ -95,28 +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(); @@ -126,6 +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 */