Memcache, refactoring, View helpers, #16

git-svn-id: svn+ssh://code.netmonsters.ru/svn/majestic/branches/evo@124 4cb57b5f-5bbd-dd11-951b-001d605cbbc5

model/Model.php

@@ -12,7 +12,7 @@
  * @filesource $URL$
  */
 
-abstract class Model
+abstract class Model implements iCacheable
 {
 
     /**
@@ -28,6 +28,20 @@ abstract class Model
      * @var Cache
      */
     protected $cache;
+    
+    /**
+     * Custom expiration time for keys
+     * 
+     * @var mixed
+     */
+    protected $cache_keys  = array();
+    
+    /**
+     * Caches to clean.
+     * 
+     * @var mixed
+     */
+    protected $caches_clean = array();
 
     protected $table;
 
@@ -35,7 +49,6 @@ abstract class Model
 
     protected $key        = 'id';
 
-
     public function __construct()
     {
         $this->db = Db::connect($this->connection);
@@ -73,37 +86,21 @@ abstract class Model
      */
     public function get($id)
     {
-        $sql = 'SELECT * FROM ' . $this->table() . ' WHERE ' . $this->identify($this->key) . '=' . (int) $id;
-        return $this->db->query($sql)->fetch();
-    }
-
-    /**
-     * @param array $data
-     * @return int Affect row or id of inserted field.
-     */
-    public function save($data)
-    {
-        $key = isset($data[$this->key]) ? $data[$this->key] : false;
-        $result = false;
-        if ($key) {
-            unset($data[$this->key]);
-            $result = $this->update($data, $this->identify($this->key) . '=' . (int) $id);
-        } else {
-            $result = $this->insert($data);
-        }
-        return $result;
+        $sql = 'SELECT * FROM ' . $this->table() . ' WHERE ' . $this->identify($this->key) . '=?';
+        return $this->fetch($sql, $id);
     }
 
     /**
      * @param array $data
+     * @param array $on_duplicate
      * @return int Id of inserted row
      */
-    public function insert($data)
+    public function insert($data, $on_duplicate = array())
     {
-        if (!$this->db->insert($this->table(false), $data)) {
+        if (!$res = $this->db->insert($this->table(false), $data, $on_duplicate)) {
             return false;
         }
-        return $this->getInsertId();
+        return ($on_duplicate) ? $res : $this->getInsertId();
     }
 
     /**
@@ -146,11 +143,99 @@ abstract class Model
     /**
      * @return Cache
      */
-    protected function cache()
+    public function getCache()
     {
         if (!$this->cache) {
             $this->cache = Cacher::get(Config::get(__CLASS__, 'MemcacheCache'));
         }
         return $this->cache;
     }
+    
+    /**
+     * @param string $key
+     * @return int
+     */
+    public function getKeyExpire($key)
+    {
+        return (isset($this->cache_keys[$key])) ? ($this->cache_keys[$key] * 60) : 0;
+    }
+    
+    /**
+     * @param string $name
+     * @param array $params
+     * @return CacheKey
+     */
+    protected function cacheKey($name, $params = array())
+    {
+        if (substr(strtolower($name), -3, 3) == 'set') {
+            return new CacheKeySet($name, $params, $this);
+        }
+        return new CacheKey($name, $params, $this);
+    }
+    
+    /**
+     * @param CacheKey | CacheKeySet $cache
+     */
+    protected function addCleanCache($cache)
+    {
+        $this->caches_clean[] = $cache;
+    }
+    
+    protected function cleanCaches()
+    {
+        // cleaning caches
+        foreach ($this->caches_clean as $cache) {
+            $cache->del();
+        }
+        $this->caches_clean = array();
+    }
+    
+    /**
+     * @param string $sql
+     * @param array $params
+     * @param string $field
+     * @param CacheKey | CacheKeySet $cache_key
+     */
+    protected function fetchField($sql, $params = array(), $field, $cache_key = null)
+    {
+        if (!$cache_key || !$result = $cache_key->get()) {
+            $result = $this->db->query($sql, $params)->fetchField($field);
+            if ($cache_key) {
+                $cache_key->set($result);
+            }
+        }
+        return $result;
+    }
+    
+    /**
+     * @param string $sql
+     * @param array $params
+     * @param CacheKey | CacheKeySet $cache_key
+     */
+    protected function fetch($sql, $params = array(), $cache_key = null)
+    {
+        if (!$cache_key || !$result = $cache_key->get()) {
+            $result = $this->db->query($sql, $params)->fetch();
+            if ($cache_key) {
+                $cache_key->set($result);
+            }
+        }
+        return $result;
+    }
+    
+    /**
+     * @param string $sql
+     * @param array $params
+     * @param CacheKey | CacheKeySet $cache_key
+     */
+    protected function fetchAll($sql, $params = array(), $cache_key = null)
+    {
+        if (!$cache_key || !$result = $cache_key->get()) {
+            $result = $this->db->query($sql, $params)->fetchAll();
+            if ($cache_key) {
+                $cache_key->set($result);
+            }
+        }
+        return $result;
+    }
 }