Linkwords - add caching

e107_plugins/linkwords/admin_config.php

@@ -11,23 +11,23 @@
 |     GNU General Public License (http://gnu.org).
 |
 |     $Source: /cvs_backup/e107_0.8/e107_plugins/linkwords/admin_config.php,v $
-|     $Revision: 1.7 $
+|     $Revision: 1.8 $
 |
 | ***** START OF VERSION WHICH ALLOWS TOOLTIPS (also order of forms changed )
 |
-|     $Date: 2008-12-07 21:55:01 $
+|     $Date: 2008-12-13 18:04:52 $
 |     $Author: e107steved $
 +----------------------------------------------------------------------------+
 */
 require_once("../../class2.php");
-if (!plugInstalled('linkwords')) header("Location: ".e_BASE."index.php");
+if (!getperms("P") || !plugInstalled('linkwords')) 
-if (!getperms("P")) 
 {
 	header("location:".e_BASE."index.php");
 	 exit ;
 }
 require_once(e_ADMIN."auth.php");
 @include_lan(e_PLUGIN."linkwords/languages/".e_LANGUAGE."_admin_linkwords.php");
+define('LW_CACHE_TAG', 'nomd5_linkwords');
 
 $lw_context_areas = array(
 			'TITLE' => LWLAN_33,
@@ -69,6 +69,7 @@ if(isset($deltest[LWLAN_17]))
 	{
 		$sql->db_Delete("linkwords", "linkword_id=".$delete_id);
 		$admin_log->log_event('LINKWD_03','ID: '.$delete_id,'');
+		$e107->ecache->clear_sys(LW_CACHE_TAG);
 		$message = LWLAN_19;
 	}
 }
@@ -114,6 +115,7 @@ if (isset($_POST['saveopts_linkword']))
 	$pref['lw_ajax_enable'] = isset($_POST['lw_ajax_enable']);
 	save_prefs();
 	$logString = implode(', ',$pref['lw_context_visibility']).'[!br!]'.$pref['lw_page_visibility'].'[!br!]'.$pref['lw_ajax_enable'];
+	$e107->ecache->clear_sys(LW_CACHE_TAG);
 	$admin_log->log_event('LINKWD_04',$logString,'');
 }
 
@@ -160,6 +162,7 @@ if (isset($_POST['submit_linkword']) || isset($_POST['update_linkword']))
 				$message = LWLAN_57;
 			}
 		}
+		$e107->ecache->clear_sys(LW_CACHE_TAG);
 	}
 }
 

e107_plugins/linkwords/e_tohtml.php

@@ -11,8 +11,8 @@
 |     GNU General Public License (http://gnu.org).
 |
 |     $Source: /cvs_backup/e107_0.8/e107_plugins/linkwords/e_tohtml.php,v $
-|     $Revision: 1.3 $
+|     $Revision: 1.4 $
-|     $Date: 2008-12-07 21:55:01 $
+|     $Date: 2008-12-13 18:04:52 $
 |     $Author: e107steved $
 |
 | *utf - flags functions which need utf-8-aware code
@@ -27,6 +27,8 @@ TODO:
 if (!defined('e107_INIT')) { exit; }
 if (!plugInstalled('linkwords')) exit;
 
+define('LW_CACHE_ENABLE', TRUEE);
+define('LW_CACHE_TAG', 'nomd5_linkwords');
 
 class e_tohtml_linkwords
 {
@@ -37,19 +39,19 @@ class e_tohtml_linkwords
 	var $link_list	= array();		// Corresponding list of links to apply
 	var $ext_list	= array();		// Flags to determine 'open in new window' for link
 	var $tip_list 	= array();		// Store for tooltips
+	var $LinkID		= array();		// Unique ID for each linkword
 	var $area_opts	= array();		// Process flags for the various contexts
 	var $block_list = array();		// Array of 'blocked' pages
-	var $LinkID		= array();		// Unique ID for each linkword
 
 	
 	/* constructor */
 	function e_tohtml_linkwords()
 	{
-	  global $pref, $tp;
+		global $pref, $tp, $e107;
 		// See whether they should be active on this page - if not, no point doing anything!
 		if ((strpos(e_SELF, ADMINDIR) !== FALSE) || (strpos(e_PAGE, "admin_") !== FALSE)) return;   // No linkwords on admin directories
 
-// Now see if disabled on specific pages
+		// Now see if disabled on specific pages
 		$check_url = e_SELF.(e_QUERY ? "?".e_QUERY : '');
 		$this->block_list = explode("|",substr(varset($pref['lw_page_visibility'],''),2));    // Knock off the 'show/hide' flag
 		foreach ($this->block_list as $p)
@@ -69,6 +71,21 @@ class e_tohtml_linkwords
 		} 
 
 		// Will probably need linkwords on this page - so get the info
+		if (LW_CACHE_ENABLE && ($temp = $e107->ecache->retrieve_sys(LW_CACHE_TAG)))
+		{
+			$ret = eval($temp);
+			if ($ret)
+			{
+				echo "Error reading linkwords cache: {$ret}<br />";
+				$temp = '';
+			}
+			else
+			{
+				$this->lw_enabled = TRUE;
+			}
+		}
+		if (!$temp)
+		{	// Either cache disabled, or no info in cache (or error reading/processing cache)
 			$link_sql = new db;
 			if($link_sql -> db_Select("linkwords", "*", "linkword_active!=1"))
 			{
@@ -76,7 +93,6 @@ class e_tohtml_linkwords
 				while ($row = $link_sql->db_Fetch())
 				{
 					extract($row);
-//		    $lw = strtolower($linkword_word);					// It was trimmed when saved		*utf	
 					$lw = $tp->uStrToLower($linkword_word);					// It was trimmed when saved		*utf	
 					if ($linkword_active == 2) $linkword_link = '';		// Make sure linkword disabled
 					if ($linkword_active < 2) $linkword_tooltip = '';	// Make sure tooltip disabled
@@ -102,6 +118,16 @@ class e_tohtml_linkwords
 						$this->LinkID[] = $lwID;
 					}
 				}
+				if (LW_CACHE_ENABLE)
+				{	// Write to file for next time
+					$temp = '';
+					foreach (array('word_list', 'link_list', 'tip_list', 'ext_list', 'LinkID') as $var)
+					{
+						$temp .= '$this->'.$var.'='.var_export($this->$var, TRUE).";\n";
+					}
+					$e107->ecache->set_sys(LW_CACHE_TAG,$temp);
+				}
+			}
 		}
 	  $this->area_opts = $pref['lw_context_visibility'];
 	  $this->utfMode = (strtolower(CHARSET) == 'utf-8') ? 'u' : '';		// Flag to enable utf-8 on regex