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<?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));
}
}
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