Added : Cached pagination system

upload/admin_area/main.php

@@ -186,6 +186,8 @@ if(isset($_POST['update'])){
 					'users_items_search_page',
 					'users_items_group_page',
 					'user_max_chr',
+					'use_cached_pagin',
+					'cached_pagin_time',
 					
 					'vid_categories',
 					'vid_cat_height',

upload/admin_area/styles/cbv2/layout/main.html

@@ -788,6 +788,29 @@ $(document).ready(function(){
           <td valign="top">&nbsp;</td>
           <td valign="top">&nbsp;</td>
         </tr>
+        <tr>
+          <td colspan="2" valign="top">Main Settings</td>
+          </tr>
+        <tr>
+          <td valign="top">Use cached pagination</td>
+          <td valign="top"><select name="use_cached_pagin" id="use_cached_pagin">
+            <option value="yes" {if $row.use_cached_pagin==yes}
+selected="selected"
+{/if}>Yes</option>
+            <option value="no" {if $row.use_cached_pagin!=yes}
+selected="selected"
+{/if}>No</option>
+          </select></td>
+        </tr>
+        <tr>
+          <td valign="top">Pagination chaching time</td>
+          <td valign="top"><input name="cached_pagin_time" type="text" id="cached_pagin_time" value="{$row.cached_pagin_time}" size="45" /> 
+            in minutes</td>
+        </tr>
+        <tr>
+          <td valign="top">&nbsp;</td>
+          <td valign="top">&nbsp;</td>
+        </tr>
         <tr>
           <td colspan="2" class="settings_inner_title">Videos Listing</td>
         </tr>

upload/cb_install/sql/configs.sql

@@ -244,4 +244,5 @@ INSERT INTO `{tbl_prefix}config` (`configid` ,`name` ,`value`)VALUES
 -- Addition for 2.6
 INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'facebook_embed', 'yes');
 INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'seo_vido_url', '1');
-
+INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'use_cached_pagin', 'yes'),
+(NULL, 'cached_pagin_time', '5');

upload/cb_install/sql/upgrade_2.6.sql

@@ -1,4 +1,7 @@
 ALTER TABLE  `{tbl_prefix}video` CHANGE  `category`  `category` VARCHAR( 200 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT  '0';
 ALTER TABLE `{tbl_prefix}collections` CHANGE `category` `category` VARCHAR( 200 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL ;
 INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'facebook_embed', 'yes');
-INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'seo_vido_url', '0');
+INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'seo_vido_url', '0');
+
+INSERT INTO `{tbl_prefix}config` (`configid`, `name`, `value`) VALUES (NULL, 'use_cached_pagin', 'yes'),
+(NULL, 'cached_pagin_time', '5');

upload/channels.php

@@ -50,19 +50,27 @@ switch($sort)
 //Getting User List
 $page = mysql_clean($_GET['page']);
 $get_limit = create_query_limit($page,CLISTPP);
-$ulist = $u_cond;
+$count_query = $ulist = $u_cond;
 $ulist['limit'] = $get_limit;
 $users = get_users($ulist);
 Assign('users', $users);	
 
-//Collecting Data for Pagination
+
-$ucount = $u_cond;
+$counter = get_counter('channel',$count_query);
-$ucount['count_only'] = true;
+
-$total_rows  = get_users($ucount);
+if(!$counter)
-$total_pages = count_pages($total_rows,CLISTPP);
+{
+	//Collecting Data for Pagination
+	$ucount = $u_cond;
+	$ucount['count_only'] = true;
+	$total_rows  = get_users($ucount);
+	$total_pages = count_pages($total_rows,CLISTPP);
+	$counter = $total_pages;
+	update_counter('channel',$count_query,$counter);
+}
 
 //Pagination
-$pages->paginate($total_pages,$page);
+$pages->paginate($counter,$page);
 
 subtitle(lang('channels'));
 template_files('channels.html');

upload/includes/functions.php

@@ -5807,4 +5807,54 @@
 			return false;
 		}
 	}
+	
+	
+	/**
+	 * function used to get counts from
+	 * cb_counter table
+	 */
+	function get_counter($section,$query)
+	{
+		if(!config('use_cached_pagin'))
+			return false;
+			
+		global $db;
+		
+		$timeRefresh = config('cached_pagin_time');
+		$timeRefresh = $timeRefresh*60;
+		
+		$validTime = time()-$timeRefresh;
+		
+		unset($query['order']);
+		$je_query = json_encode($query);
+		$query_md5 = md5($je_query);
+		$select = $db->select(tbl('counters'),"*","section='$section' AND query_md5='$query_md5' 
+		AND '$validTime' < date_added");
+		if($db->num_rows>0)
+		{
+			return $select[0]['counts'];
+		}else
+		return false;
+	}
+	
+	/**
+	 * function used to insert or update counter
+	 */
+	function update_counter($section,$query,$counter)
+	{
+		global $db;
+		unset($query['order']);
+		$je_query = json_encode($query);
+		$query_md5 = md5($je_query);
+		$count = $db->count(tbl('counters'),"*","section='$section' AND query_md5='$query_md5'");
+		if($count)
+		{
+			$db->update(tbl('counters'),array('counts','date_added'),array($counter,strtotime(now())),
+			"section='$section' AND query_md5='$query_md5'");
+		}else
+		{
+			$db->insert(tbl('counters'),array('section','query','query_md5','counts','date_added'),
+			array($section,'|no_mc|'.$je_query,$query_md5,$counter,strtotime(now())));
+		}
+	}
 ?>

upload/videos.php

@@ -74,6 +74,7 @@ switch($sort)
 $page = mysql_clean($_GET['page']);
 $get_limit = create_query_limit($page,VLISTPP);
 $vlist = $vid_cond;
+$count_query = $vid_cond;
 $vlist['limit'] = $get_limit;
 $videos = get_videos($vlist);
 Assign('videos', $videos);	
@@ -81,11 +82,19 @@ Assign('videos', $videos);
 
 //Collecting Data for Pagination
 $vcount = $vid_cond;
-$vcount['count_only'] = true;
+
-$total_rows  = get_videos($vcount);
+$counter = get_counter('video',$count_query);
-$total_pages = count_pages($total_rows,VLISTPP);
+
+if(!$counter)
+{
+	$vcount['count_only'] = true;
+	$total_rows  = get_videos($vcount);
+	$total_pages = count_pages($total_rows,VLISTPP);
+	$counter = $total_pages;
+	update_counter('video',$count_query,$counter);
+}
 //Pagination
-$pages->paginate($total_pages,$page);
+$pages->paginate($counter,$page);
 
 subtitle(lang('videos'));
 //Displaying The Template