feat: 增加发送微信群内自定义公告功能，并优化离线防抖与自我播报过滤机制

- 后台微信机器人增加群内独立公告的分发推送模块 - 聊天室系统引入3秒离线延迟（防抖）防重复播报 - 优化聊天界面消息拉取过滤自身的欢迎或离场广播 - 管理员登录时的烟花特效同步至用户当前的前端显示
2026-04-02 16:07:40 +08:00
parent e36b779a4a
commit fa5e37f003
8 changed files with 300 additions and 136 deletions
--- a/app/Jobs/ProcessUserLeave.php
+++ b/app/Jobs/ProcessUserLeave.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Jobs;
+
+use App\Models\PositionDutyLog;
+use App\Models\Sysparam;
+use App\Models\User;
+use App\Services\ChatStateService;
+use App\Services\RoomBroadcastService;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Redis;
+
+class ProcessUserLeave implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    public function __construct(
+        public int $roomId,
+        public User $user,
+        public float $leaveTime
+    ) {}
+
+    public function handle(ChatStateService $chatState, RoomBroadcastService $broadcast): void
+    {
+        // 获取该用户最后一次进入房间的时间
+        $lastJoinTime = (float) Redis::get("room:{$this->roomId}:join_time:{$this->user->username}");
+
+        // 如果最后一次加入的时间 > 当前离线任务产生的时间，说明用户又刷新重新进来了
+        if ($lastJoinTime >= $this->leaveTime) {
+            return;
+        }
+
+        // 1. 从 Redis 删除该用户
+        $chatState->userLeave($this->roomId, $this->user->username);
+
+        // 记录退出时间和退出信息
+        $this->user->update([
+            'out_time' => now(),
+            'out_info' => '正常退出了房间',
+        ]);
+
+        // 关闭该用户尚未结束的在职登录记录（结算在线时长）
+        $this->closeDutyLog($this->user->id);
+
+        // 2. 发送离场播报
+        $superLevel = (int) Sysparam::getValue('superlevel', '100');
+
+        if ($this->user->user_level >= $superLevel) {
+            // 管理员离场：系统公告
+            $leaveMsg = [
+                'id' => $chatState->nextMessageId($this->roomId),
+                'room_id' => $this->roomId,
+                'from_user' => '系统公告',
+                'to_user' => '大家',
+                'content' => "👋 管理员 【{$this->user->username}】 已离开聊天室。",
+                'is_secret' => false,
+                'font_color' => '#b91c1c',
+                'action' => 'admin_welcome',
+                'welcome_user' => $this->user->username,
+                'sent_at' => now()->toDateTimeString(),
+            ];
+        } else {
+            [$leaveText, $color] = $broadcast->buildLeaveBroadcast($this->user);
+            $leaveMsg = [
+                'id' => $chatState->nextMessageId($this->roomId),
+                'room_id' => $this->roomId,
+                'from_user' => '进出播报',
+                'to_user' => '大家',
+                'content' => "<span style=\"color: {$color}; font-weight: bold;\">{$leaveText}</span>",
+                'is_secret' => false,
+                'font_color' => $color,
+                'action' => 'system_welcome',
+                'welcome_user' => $this->user->username,
+                'sent_at' => now()->toDateTimeString(),
+            ];
+        }
+
+        // 将播报存入 Redis 历史及广播
+        $chatState->pushMessage($this->roomId, $leaveMsg);
+        broadcast(new \App\Events\UserLeft($this->roomId, $this->user->username))->toOthers();
+        broadcast(new \App\Events\MessageSent($this->roomId, $leaveMsg))->toOthers();
+    }
+
+    /**
+     * 关闭该用户尚未结束的在职登录记录（结算在线时长）
+     */
+    private function closeDutyLog(int $userId): void
+    {
+        // 将今日开放日志关闭并结算实际时长
+        PositionDutyLog::query()
+            ->where('user_id', $userId)
+            ->whereNull('logout_at')
+            ->whereDate('login_at', today())
+            ->update([
+                'logout_at' => now(),
+                'duration_seconds' => DB::raw('GREATEST(0, TIMESTAMPDIFF(SECOND, login_at, NOW()))'),
+            ]);
+
+        // 关闭历史遗留的跨天未关闭日志（login_at 非今日）
+        PositionDutyLog::query()
+            ->where('user_id', $userId)
+            ->whereNull('logout_at')
+            ->whereDate('login_at', '!=', today())
+            ->update([
+                'logout_at' => DB::raw('DATE_ADD(DATE(login_at), INTERVAL "23:59:59" HOUR_SECOND)'),
+            ]);
+    }
+}