chore: 重写初始提交(清空历史,整理后全量提交)

2026-08-16 16:54:14 +08:00
commit 6c1a106bc1
1808 changed files with 238144 additions and 0 deletions
@@ -0,0 +1,139 @@
+<?php
+// +----------------------------------------------------------------------
+// | YwxApp [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Author: ywxapp<admin@ywxapp.cn>
+// +----------------------------------------------------------------------
+declare (strict_types = 1);
+
+namespace addon\wxchat\controller\api;
+
+use addon\wxchat\model\WxchatLotteryPrize;
+use addon\wxchat\model\WxchatLotteryRecord;
+use think\facade\Db;
+use think\facade\Request;
+use ywxapp\controller\FrontendBase;
+use ywxapp\service\WalletService;
+
+/**
+ * Lottery 类
+ *
+ * @author ywxapp <admin@ywxapp.cn>
+ */
+class Lottery extends FrontendBase
+{
+    protected $noNeedLogin = [];
+    protected $noNeedVerify = ['*'];
+
+    // 每次抽奖消耗金币
+    protected $cost = 10;
+    // 每日免费次数
+    protected $freeDaily = 1;
+
+    
+    protected function initialize()
+    {
+        if ($this->auth->isLogin) {
+            $this->uid = $this->auth->model->uid;
+        }
+    }
+
+    private $uid = 0;
+
+    /**
+     * 抽奖配置（奖品列表 + 我的金币 + 剩余免费次数）
+     */
+    public function config()
+    {
+        $uid = $this->uid;
+        $prizes = WxchatLotteryPrize::where('status', 1)
+            ->order('sort', 'asc')
+            ->field('id,name,type,value,probability')
+            ->select();
+        $freeUsed = WxchatLotteryRecord::where('uid', $uid)
+            ->where('is_free', 1)
+            ->where('create_at', '>=', strtotime('today'))
+            ->count();
+        $this->success([
+            'coins'      => WalletService::getCoins($uid),
+            'cost'       => $this->cost,
+            'free_daily' => $this->freeDaily,
+            'free_left'  => max(0, $this->freeDaily - $freeUsed),
+            'prizes'     => $prizes,
+        ]);
+    }
+
+    /**
+     * 抽奖（金币或免费）
+     */
+    public function draw()
+    {
+        $uid = $this->uid;
+
+        // 是否使用免费次数
+        $freeUsed = WxchatLotteryRecord::where('uid', $uid)
+            ->where('is_free', 1)
+            ->where('create_at', '>=', strtotime('today'))
+            ->count();
+        $useFree = Request::post('use_free', 0) && $freeUsed < $this->freeDaily;
+
+        if (! $useFree) {
+            try {
+                WalletService::decCoins($uid, $this->cost, '抽奖消耗');
+            } catch (\Throwable $e) {
+                $this->error($e->getMessage());
+            }
+        }
+
+        $prize = $this->pickPrize();
+        $record = new WxchatLotteryRecord();
+        $record->uid         = $uid;
+        $record->prize_id    = $prize ? $prize->id : 0;
+        $record->prize_name  = $prize ? $prize->name : '谢谢参与';
+        $record->prize_type  = $prize ? $prize->type : 3;
+        $record->prize_value = $prize ? $prize->value : 0;
+        $record->is_free     = $useFree ? 1 : 0;
+        $record->save();
+
+        // 金币奖品发放
+        if ($prize && $prize->type == 1 && $prize->value > 0) {
+            WalletService::incCoins($uid, (int) $prize->value, "抽奖中奖:{$prize->name}");
+        }
+
+        $this->success([
+            'prize'      => $record->prize_name,
+            'prize_type' => $record->prize_type,
+            'prize_value'=> $record->prize_value,
+            'coins_left' => WalletService::getCoins($uid),
+        ], '抽奖完成');
+    }
+
+    /**
+     * 按概率加权抽取奖品（无命中返回 null）
+     */
+    private function pickPrize()
+    {
+        $prizes = WxchatLotteryPrize::where('status', 1)
+            ->where('stock', '<>', 0)
+            ->order('sort', 'asc')
+            ->select();
+        if ($prizes->isEmpty()) {
+            return null;
+        }
+        $rand = mt_rand(1, 10000) / 10000; // 0-1
+        $acc  = 0.0;
+        foreach ($prizes as $p) {
+            $acc += (float) $p->probability;
+            if ($rand <= $acc) {
+                // 扣库存
+                if ($p->stock > 0) {
+                    Db::name('wxchat_lottery_prizes')->where('id', $p->id)->dec('stock')->update(['update_at' => time()]);
+                }
+                return $p;
+            }
+        }
+        return null;
+    }
+}