X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fpq-gateway;a=blobdiff_plain;f=lib%2Fpq%2FGateway%2FRow.php;h=0a2820aa612b5462fd537a214d0c3bff63ef4e83;hp=981a58d9afad2db64c150420b32c23138478d1b6;hb=89caabf7e3ebc62190fccba97e3bc11f7f32b58c;hpb=caa2499169b61c7dc6254886e73dcfc000737ed6

diff --git a/lib/pq/Gateway/Row.php b/lib/pq/Gateway/Row.php
index 981a58d..0a2820a 100644
--- a/lib/pq/Gateway/Row.php
+++ b/lib/pq/Gateway/Row.php
@@ -2,7 +2,7 @@
 
 namespace pq\Gateway;
 
-class Row
+class Row implements \JsonSerializable
 {
 	/**
 	 * @var \pq\Gateway\Table
@@ -17,39 +17,159 @@ class Row
 	/**
 	 * @var array
 	 */
-	protected $mods = array();
+	protected $cell = array();
 	
 	/**
 	 * @param \pq\Gateway\Table $table
 	 * @param array $data
+	 * @param bool $prime whether to mark all columns as modified
 	 */
-	function __construct(Table $table, array $data = null) {
+	function __construct(Table $table, array $data = null, $prime = false) {
 		$this->table = $table;
-		$this->data = $data;
+		$this->data = (array) $data;
+		
+		if ($prime) {
+			$this->prime();
+		}
+	}
+	
+	/**
+	 * Copy constructor
+	 * @param array $data
+	 * @return \pq\Gateway\Row
+	 */
+	function __invoke(array $data) {
+		$that = clone $this;
+		$that->data = $data;
+		return $that->prime();
+	}
+	
+	/**
+	 * @implements JsonSerializable
+	 * @return array
+	 */
+	function jsonSerialize() {
+		return $this->data;
+	}
+	
+	/**
+	 * @return \pq\Gateway\Table
+	 */
+	function getTable() {
+		return $this->table;
 	}
 	
+	/**
+	 * @return array
+	 */
+	function getData() {
+		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() {
+		$this->cell = array();
+		foreach ($this->data as $key => $val) {
+			$this->cell[$key] = new Cell($this, $key, $val, true);
+		}
+		return $this;
+	}
+	
+	/**
+	 * Transform data array to where criteria
+	 * @return array
+	 */
+	protected function criteria() {
+		$where = array();
+		foreach($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($this->mod[$p])) {
-			$this->mod[$p] = new Cell($this, $p);
+		if (!isset($this->cell[$p])) {
+			$this->cell[$p] = new Cell($this, $p, $this->data[$p]);
 		}
-		return $this->mod[$p];
+		return $this->cell[$p];
 	}
 	
+	/**
+	 * Set a cell value
+	 * @param string $p
+	 * @param mixed $v
+	 */
+	function __set($p, $v) {
+		$this->__get($p)->set(($v instanceof Cell) ? $v->get() : $v);
+	}
+	
+	/**
+	 * Create this row in the database
+	 * @return \pq\Gateway\Row
+	 */
 	function create() {
-		$this->data = $this->table->create($this->mods)->getIterator()->current()->data;
-		$this->mods = array();
+		$this->data = $this->table->create($this->changes())->current()->data;
+		$this->cell = array();
 		return $this;
 	}
 	
+	/**
+	 * Update this row in the database
+	 * @return \pq\Gateway\Row
+	 */
 	function update() {
-		$this->data = $this->table->update($this->data, $this->mods)->getIterator()->current()->data;
-		$this->mods = array();
+		$this->data = $this->table->update($this->criteria(), $this->changes())->current()->data;
+		$this->cell = array();
 		return $this;
 	}
 	
+	/**
+	 * Delete this row in the database
+	 * @return \pq\Gateway\Row
+	 */
 	function delete() {
-		$this->data = $this->table->delete($this->data, "*")->getIterator()->current()->data;
-		$this->mods = array();
-		return $this;
+		$this->data = $this->table->delete($this->criteria(), "*")->current()->data;
+		return $this->prime();
 	}
 }