126 lines
3.5 KiB
PHP
126 lines
3.5 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Models\Lottery;
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use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
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use Illuminate\Foundation\Bus\DispatchesJobs;
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use Illuminate\Foundation\Validation\ValidatesRequests;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Log;
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use Carbon\Carbon;
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class LotteryController extends Controller
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{
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use AuthorizesRequests, DispatchesJobs, ValidatesRequests;
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private static $list = [
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[
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'id' => 1,
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'amount' => 115,
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'weight' => 50, // 随便写正整数，越大随机到的概率越大，并且会挤占其他选项的概率
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],
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[
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'id' => 2,
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'amount' => 90,
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'weight' => 100
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],
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[
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'id' => 3,
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'amount' => 120,
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'weight' => 40
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],
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[
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'id' => 4,
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'amount' => 110,
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'weight' => 60
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],
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[
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'id' => 5,
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'amount' => 666,
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'weight' => 1 // 大奖填1，概率最小
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],
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[
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'id' => 6,
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'amount' => 66,
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'weight' => 50, // 亏钱的，也不要给太高权重，否则都不玩了～
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],
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[
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'id' => 7,
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'amount' => 99,
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'weight' => 100
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],
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[
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'id' => 8,
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'amount' => 150,
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'weight' => 20,
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],
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[
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'id' => 9,
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'amount' => 200,
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'weight' => 10
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]
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];
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private static $price = 100; // 抽奖价格
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/**
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* 抽奖
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*/
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public function golottery(Request $request)
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{
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$user = $request->user();
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$islottery = Lottery::whereBetween('created_at', [Carbon::today()->startOfDay(), Carbon::today()->endOfDay()])->where('user_id', $user->id)->first();
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// return $this->success($user);
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if ($islottery && $user->amount < $this::$price) return $this->error('像果余额不足');
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$arr = [];
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foreach ($this::$list as $item) {
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for ($i = 0; $i < $item['weight']; $i++) {
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$arr[] = $item;
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}
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}
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$resObj = $arr[array_rand($arr)]; // 随机选一个
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try {
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DB::beginTransaction();
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$cur_price = $islottery ? $this::$price : 0;
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Lottery::query()->create([
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'user_id' => $user->id,
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'amount' => $cur_price,
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'reward_amount' => $resObj['amount']
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]);
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$user->amount += ($resObj['amount'] - $cur_price); // 加奖励，减花费
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$user->save();
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DB::commit();
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} catch (\Exception $e) {
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DB::rollBack();
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Log::error(__METHOD__, $e->getTrace());
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}
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unset($resObj['weight']);
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return $this->success($resObj);
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}
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/**
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* 获取奖品列表
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*/
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public function get(Request $request)
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{
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$user = $request->user()->toArray();
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// return $this->success($user);
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$islottery = Lottery::whereBetween('created_at', [Carbon::today()->startOfDay(), Carbon::today()->endOfDay()])->where('user_id', $user['id'])->first();
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array_walk($this::$list, function (&$item) {
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unset($item['weight']);
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$item['check'] = false;
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}); // 隐藏权重选项
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return $this->success([
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'price' => $this::$price,
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'free' => !$islottery, // 是否免费
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'list' => $this::$list
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]);
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}
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}
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