Files
water-back/app/Models/Area.php
2023-01-12 14:47:38 +08:00

151 lines
3.3 KiB
PHP

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Str;
use Modules\Mall\Models\Traits\HasRegion;
use Modules\User\Models\User;
use Modules\User\Models\UserInvite;
use Modules\User\Traits\BelongsToUser;
class Area extends Model
{
use BelongsToUser,
HasRegion;
const STATUS_DOWN = 0;
const STATUS_UP = 1;
const STATUS = [
self::STATUS_DOWN => '下架',
self::STATUS_UP => '上架',
];
protected static function boot()
{
parent::boot();
self::created(function ($model) {
self::addStock($model, $model->stock, true);
});
}
/**
* Notes: 操作员
*
* @Author: 玄尘
* @Date: 2023/1/11 13:57
* @return BelongsToMany
*/
public function clerks(): BelongsToMany
{
return $this->belongsToMany(
User::class,
(new AreaClerk())->getTable())->using(AreaClerk::class
);
}
/**
* Notes: 操作员
*
* @Author: 玄尘
* @Date: 2023/1/11 15:53
* @return HasMany
*/
public function areaClerks(): HasMany
{
return $this->hasMany(AreaClerk::class);
}
/**
* Notes: 关联库存变动表
*
* @Author: 玄尘
* @Date: 2023/1/11 14:54
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
public function stocks(): HasMany
{
return $this->hasMany(AreaStock::class);
}
/**
* Notes: 关联提货券
*
* @Author: 玄尘
* @Date: 2023/1/11 15:43
* @return HasMany
*/
public function areaCodes(): HasMany
{
return $this->hasMany(AreaCode::class);
}
/**
* Notes: 增加库存
*
* @Author: 玄尘
* @Date: 2023/1/11 14:50
* @param $number
*/
public static function addStock($area, $number, $isCreate = false)
{
$stock = $area->stock;
if ($isCreate) {
$all = $number;
} else {
$area->increment('stock', $number);
$all = bcadd($number, $stock);
}
$area->stocks()->create([
'amount' => $number,
'stock' => $all,
]);
return true;
}
/**
* Notes: 生成提货码
*
* @Author: 玄尘
* @Date: 2023/1/11 16:00
* @param $num
*/
public function generate($user_id, $num)
{
try {
if (! $num) {
throw new \Exception('缺少数量');
}
$canStockNum = bcsub($this->stock, $this->areaCodes()->count());
if ($canStockNum < $num) {
throw new \Exception('可生成数量不足,您还可以释放'.$canStockNum);
}
while ($num > 0) {
$data[] = [
'area_id' => $this->id,
'manage_id' => $user_id,
'code' => Str::random(14),
'status' => AreaCode::STATUS_INIT,
'created_at' => now(),
'updated_at' => now(),
];
--$num;
}
AreaCode::insert($data);
return true;
} catch (\Exception $exception) {
return $exception->getMessage();
}
}
}