114 lines
2.6 KiB
PHP
114 lines
2.6 KiB
PHP
<?php
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namespace App\Models;
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use App\Models\Transaction;
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use App\Exceptions\CommonException;
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use Illuminate\Auth\Authenticatable;
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use Laravel\Lumen\Auth\Authorizable;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Database\Eloquent\Model;
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use App\Exceptions\User\BalanceNotEnoughException;
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use Illuminate\Contracts\Cache\LockTimeoutException;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
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use Illuminate\Contracts\Auth\Access\Authorizable as AuthorizableContract;
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class User extends Model implements AuthenticatableContract, AuthorizableContract
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{
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use Authenticatable, Authorizable, HasFactory;
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/**
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* The attributes that are mass assignable.
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*
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* @var string[]
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*/
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protected $fillable = [
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'name',
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'email',
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'password',
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'balance'
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];
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/**
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* The attributes excluded from the model's JSON form.
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*
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* @var string[]
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*/
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protected $hidden = [
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'password', 'remember_token',
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];
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protected $casts = [
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'email_verified_at' => 'datetime',
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'balance' => 'float',
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'banned_at' => 'datetime',
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];
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public function toDrops($amount = 1)
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{
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$cache_key = 'user_drops_' . $this->id;
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if ($amount === 0 || $amount === null) {
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return $this;
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}
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$rate = config('drops.rate');
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$transactions = new Transaction();
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$drops = $transactions->getDrops($this->id);
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$total = 0;
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if ($drops < 0) {
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$amount += abs($drops) / $rate;
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}
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$total += $amount * $rate;
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// amount 保留两位小数
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$amount = round($amount, 2);
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$lock = Cache::lock("lock_" . $cache_key, 5);
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try {
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$lock->block(5);
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$this->balance -= $amount;
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$this->save();
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$transactions->increaseDrops($this->id, $total);
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// $transactions
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$transactions->addPayoutBalance($this->id, $amount, '自动转换为 Drops');
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// if user balance <= 0
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if ($this->balance < $amount) {
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throw new BalanceNotEnoughException('余额不足');
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}
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} catch (LockTimeoutException) {
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throw new CommonException('暂时无法处理此请求，请稍后再试。');
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} finally {
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optional($lock)->release();
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}
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return $this;
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}
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protected static function boot()
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{
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parent::boot();
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static::updating(function ($model) {
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// balance 四舍五入
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$model->balance = round($model->balance, 2);
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});
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}
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}
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