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优化获取购物车总价和商品数量的方法

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This commit is contained in:
wangxiaowei 2024-11-01 17:21:30 +08:00
parent 96f687cb5f
commit ec72e0dd0a
1 changed files with 33 additions and 47 deletions
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80
app/api/logic/LocalStoreGoodsCartLogic.php
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@ -63,22 +63,10 @@ class LocalStoreGoodsCartLogic extends Logic
// 获取对应的购物车商品
public static function getCartGoods($post, $user_id)
{
$data = [];
$cart = LocalStoreGoodsCart::alias('c')
->join('local_store_goods g', 'c.lsg_id = g.id')
->where(['c.user_id' => $user_id, 'c.lstore_id' => $post['lstore_id'], 'c.is_delete' => 0, 'g.state' => 1, 'g.audit_status' => 1, 'g.delete_time' => 0])
->field('c.id, c.item_id, c.goods_num, g.id as lsg_id, g.title, g.price')
->append(['pic', 'item'])
->select()
->toArray();
$result = self::selfCart($user_id, $post['lstore_id']);
$price = 0;
foreach ($cart as &$v) {
$price += ($v['goods_num'] * $v['price']);
}
$data['total_amount'] = number_format($price, 2, '.', '');
$data['list'] = $cart;
$data['total_amount'] = $result['total_amount'];
$data['list'] = $result['cart'];
return $data;
}
@ -114,20 +102,7 @@ class LocalStoreGoodsCartLogic extends Logic
'goods_num' => $post['goods_num']
]);
$result = LocalStoreGoodsCart::alias('c')
->join('local_store_goods g', 'c.lsg_id = g.id')
->where(['c.user_id' => $user_id, 'c.lstore_id' => $cart['lstore_id'], 'c.is_delete' => 0, 'g.state' => 1, 'g.audit_status' => 1, 'g.delete_time' => 0])
->field('c.id, c.item_id, c.goods_num, g.id as lsg_id, g.title, g.price')
->append(['pic', 'item'])
->select()
->toArray();
$price = 0;
foreach ($result as &$v) {
$price += ($v['goods_num'] * $v['price']);
}
$price = number_format($price, 2, '.', '');
$result = self::selfCart($user_id, $cart['lstore_id']);
} else {
throw new \Exception('商品信息不存在');
}
@ -136,7 +111,7 @@ class LocalStoreGoodsCartLogic extends Logic
}
Db::commit();
return [
'total_amount' => $price,
'total_amount' => $result['total_amount'],
];
} catch (Exception $e) {
Db::rollback();
@ -170,31 +145,42 @@ class LocalStoreGoodsCartLogic extends Logic
]);
}
$result = LocalStoreGoodsCart::alias('c')
->join('local_store_goods g', 'c.lsg_id = g.id')
->where(['c.user_id' => $user_id, 'c.lstore_id' => $post['lstore_id'], 'c.is_delete' => 0, 'g.state' => 1, 'g.audit_status' => 1, 'g.delete_time' => 0])
->field('c.id, c.item_id, c.goods_num, g.id as lsg_id, g.title, g.price')
->append(['pic', 'item'])
->select()
->toArray();
$cart = self::selfCart($user_id, $post['lstore_id']);
$price = $goods_num = 0;
foreach ($result as &$v) {
$price += ($v['goods_num'] * $v['price']);
$goods_num += $v['goods_num'];
}
$price = number_format($price, 2, '.', '');
Db::commit();
return [
'total_amount' => $price,
'goods_num' => $goods_num
'total_amount' => $cart['total_amount'],
'goods_num' => $cart['goods_num']
];
} catch (Exception $e) {
Db::rollback();
dump($e->getMessage());die;
self::$error = $e->getMessage();
return false;
}
}
// 计算个人购物车商品总价和总数
private static function selfCart($user_id, $lstore_id)
{
$total_amount = $goods_num = 0;
$cart = LocalStoreGoodsCart::alias('c')
->join('local_store_goods g', 'c.lsg_id = g.id')
->where(['c.user_id' => $user_id, 'c.lstore_id' => $lstore_id, 'c.is_delete' => 0, 'g.state' => 1, 'g.audit_status' => 1, 'g.delete_time' => 0])
->field('c.id, c.item_id, c.goods_num, g.id as lsg_id, g.title, g.price')
->append(['pic', 'item'])
->select()
->toArray();
foreach ($cart as &$v) {
$total_amount += ($v['goods_num'] * $v['price']);
$goods_num += $v['goods_num'];
}
return [
'cart' => $cart,
'total_amount' => $total_amount, // 购物车商品总价
'goods_num' => $goods_num // 购物车商品总数
];
}
}