flush
[m6w6/pq-gateway] / lib / pq / Gateway / Row.php
index 885c95abd5a166b51cb35e6281aa72280e6a67f7..0a2820aa612b5462fd537a214d0c3bff63ef4e83 100644 (file)
@@ -17,7 +17,7 @@ class Row implements \JsonSerializable
        /**
         * @var array
         */
-       protected $mods = array();
+       protected $cell = array();
        
        /**
         * @param \pq\Gateway\Table $table
@@ -26,7 +26,7 @@ class Row implements \JsonSerializable
         */
        function __construct(Table $table, array $data = null, $prime = false) {
                $this->table = $table;
-               $this->data = $data;
+               $this->data = (array) $data;
                
                if ($prime) {
                        $this->prime();
@@ -66,41 +66,73 @@ class Row implements \JsonSerializable
                return $this->data;
        }
        
+       /**
+        * Check whether the row contains modifications
+        * @return boolean
+        */
+       function isDirty() {
+               foreach ($this->cell as $cell) {
+                       if ($cell->isDirty()) {
+                               return true;
+                       }
+               }
+               return false;
+       }
+       
+       function refresh() {
+               $this->data = $this->table->find($this->criteria(), null, 1, 0)->current()->data;
+               $this->cell = array();
+               return $this;
+       }
+       
        /**
         * Fill modified cells
         * @return \pq\Gateway\Row
         */
        protected function prime() {
-               $this->mods = array();
+               $this->cell = array();
                foreach ($this->data as $key => $val) {
-                       $this->mods[$key] = new Cell($this, $key, $val);
+                       $this->cell[$key] = new Cell($this, $key, $val, true);
                }
                return $this;
        }
        
        /**
         * Transform data array to where criteria
-        * @param array $data
         * @return array
         */
        protected function criteria() {
                $where = array();
-               array_walk($this->data, function($v, $k) use (&$where) {
+               foreach($this->data as $k => $v) {
                        $where["$k="] = $v;
-               });
+               }
                return $where;
        }
        
+       /**
+        * Get an array of changed properties
+        * @return array
+        */
+       protected function changes() {
+               $changes = array();
+               foreach ($this->cell as $name => $cell) {
+                       if ($cell->isDirty()) {
+                               $changes[$name] = $cell->get();
+                       }
+               }
+               return $changes;
+       }
+       
        /**
         * Get a cell
         * @param string $p
         * @return \pq\Gateway\Cell
         */
        function __get($p) {
-               if (!isset($this->mods[$p])) {
-                       $this->mods[$p] = new Cell($this, $p, $this->data[$p]);
+               if (!isset($this->cell[$p])) {
+                       $this->cell[$p] = new Cell($this, $p, $this->data[$p]);
                }
-               return $this->mods[$p];
+               return $this->cell[$p];
        }
        
        /**
@@ -117,8 +149,8 @@ class Row implements \JsonSerializable
         * @return \pq\Gateway\Row
         */
        function create() {
-               $this->data = $this->table->create($this->mods)->current()->data;
-               $this->mods = array();
+               $this->data = $this->table->create($this->changes())->current()->data;
+               $this->cell = array();
                return $this;
        }
        
@@ -127,8 +159,8 @@ class Row implements \JsonSerializable
         * @return \pq\Gateway\Row
         */
        function update() {
-               $this->data = $this->table->update($this->criteria(), $this->mods)->current()->data;
-               $this->mods = array();
+               $this->data = $this->table->update($this->criteria(), $this->changes())->current()->data;
+               $this->cell = array();
                return $this;
        }