1 files changed, 100 insertions, 0 deletions
diff --git a/autoload/Todo/Model/TodoList.php b/autoload/Todo/Model/TodoList.php
new file mode 100644
index 0000000..4470c34
--- /dev/null
+++ b/autoload/Todo/Model/TodoList.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace Todo\Model;
+
+class TodoList extends \DB\SQL\Mapper {
+	public function __construct($db) {
+		parent::__construct($db, 'lists');
+	}
+	
+	public function byID($id) {
+		$this->load(array('id=?', $id));
+		return !$this->dry();
+	}
+	
+	public function itemsToArray() {
+		$items = array();
+		$it = new \DB\SQL\Mapper($this->db, 'items');
+		for($it->load(array('list=?', $this->id), array('order' => 'ord ASC')); !$it->dry(); $it->next()) {
+			$items[] = array(
+				'id' => $it->id,
+				'ord' => $it->ord,
+				'text' => $it->text,
+				'date' => $it->date,
+				'checked' => $it->checked,
+			);
+		}
+		
+		return $items;
+	}
+	
+	public function countItems() {
+		$it = new \DB\SQL\Mapper($this->db, 'items');
+		return $it->count(array('list=?', $this->id));
+	}
+	
+	public function getItem($id) {
+		$it = new \DB\SQL\Mapper($this->db, 'items');
+		$it->load(array('list=? AND id=?', $this->id, $id));
+		return $it->dry() ? NULL : $it;
+	}
+	
+	public function moveItem($id, $movement) {
+		$it = new \DB\SQL\Mapper($this->db, 'items');
+		$it->load(array('list=? AND id=?', $this->id, $id));
+		if($it->dry()) {
+			return;
+		}
+		$ordOld = $it->ord;
+		$it->reset();
+		
+		$ordNew = min(max(0, $ordOld + $movement), $this->countItems() - 1);
+		if($ordNew === $ordOld) {
+			return;
+		}
+		
+		$moveSgn = ($movement > 0) ? 1 : -1;
+		
+		if($moveSgn === 1) {
+			$it->load(array('list=? AND ord>? AND ord<=?', $this->id, $ordOld, $ordNew));
+		} else {
+			$it->load(array('list=? AND ord>=? AND ord<?', $this->id, $ordNew, $ordOld));
+		}
+		for(;!$it->dry(); $it->next()) {
+			$it->ord -= $moveSgn;
+			$it->save();
+		}
+		
+		$it->reset();
+		$it->load(array('list=? AND id=?', $this->id, $id));
+		$it->ord = $ordNew;
+		$it->save();
+	}
+	
+	public function addItem($text) {
+		$n = $this->countItems();
+		
+		$now = new \DateTime('now');
+		
+		$it = new \DB\SQL\Mapper($this->db, 'items');
+		$it->text = $text;
+		$it->ord = $n;
+		$it->date = $now->format('Y-m-d H:i:s');
+		$it->checked = false;
+		$it->list = $this->id;
+		$it->save();
+	}
+	
+	public function delItem($id) {
+		$this->db->exec('DELETE FROM `items` WHERE `list` = :l AND `id` = :i', array(':l' => $this->id, ':i' => $id));
+	}
+	
+	public function deleteList() {
+		$this->db->exec('DELETE FROM `items` WHERE `list` = :l', array(':l' => $this->id));
+		$this->erase();
+	}
+	
+	public function deleteChecked() {
+		$this->db->exec('DELETE FROM `items` WHERE `list` = :l AND `checked` = :c', array(':l' => $this->id, ':c' => true));
+	}
+}
+\ No newline at end of file