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app/common/model/Common.php

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+<?php
+
+namespace app\common\model;
+
+
+use app\api\model\CommonInfo;
+use app\common\library\DatabaseRoute;
+use app\czg\model\SysCaptcha;
+use think\cache\driver\Redis;
+use think\facade\Db;
+use think\Model;
+use support\think\Cache;
+
+class Common extends Model
+{
+
+
+    // 统一处理分表表新增编辑查询（主表中没有的表）
+    public static function saveDbData($table, $sale, $data, $operate = 'insertGetId', $where = [])
+    {
+        if(in_array($operate, ['insertGetId', 'insert']) || $operate == 'update') {
+            $connect_name = DatabaseRoute::getConnection($table, $sale, true);
+        }else {
+            $connect_name = DatabaseRoute::getConnection($table, $sale);
+        }
+        $db = Db::connect($connect_name);
+        if($operate == 'insert' || $operate == 'insertGetId') {
+            return $db->name($table)->insertGetId($data);
+        }elseif($operate == 'update') {
+            return $db->name($table)->where($where)->update($data);
+        }elseif ($operate == 'select') {
+            return $db->name($table)->where($where)->select();
+        }elseif ($operate == 'find') {
+            return $db->name($table)->where($where)->find();
+        }
+    }
+
+    public static function db_count($table, $sale, $where)
+    {
+        $connect_name = DatabaseRoute::getConnection($table, $sale);
+        $db = Db::connect($connect_name);
+        return $db->name($table)->where($where)->count();
+
+    }
+
+    public static function getAppUseKv()
+    {
+        $info = Db::connect(config('database.search_library'))->name('common_info')->where(['is_app_use' => 1])->field('id, value')->select();
+        $data = [];
+        foreach ($info as $k => $v) {
+            $data[$v['id']] = $v['value'];
+        }
+        return returnSuccessData($data);
+    }
+
+
+
+    /**
+     * 检查是否允许访问（基于Redis的频率限制）
+     * @param string $id 唯一标识（如用户ID、IP等）
+     * @param string $key 操作类型（如"updateWeekCourseView"）
+     * @param int $count 允许的访问次数
+     * @param int $seconds 时间窗口（秒）
+     * @return bool 是否允许访问
+     */
+    public static function isAccessAllowed($id, $key, $count, $seconds, $sys_data = false)
+    {
+        if($sys_data) {
+            $redisKey = 'sys:data:' . $key . ':' . $id;
+        }else {
+            $redisKey = generateRedisKey($key, $id);
+        }
+        // 获取当前访问次数
+        $currentCount = Cache::get($redisKey);
+
+        if ($currentCount === null) {
+            // 首次访问：初始化计数器并设置过期时间
+            Cache::set($redisKey, $seconds, 1);
+            return true;
+        }
+        if ((int)$currentCount < $count) {
+            // 未超过限制：增加计数
+            Cache::set($redisKey,$currentCount + 1);
+            return true;
+        }
+        // 已超过限制
+        return false;
+    }
+
+
+
+
+
+    /**
+     * @param int $courseId 课程ID
+     * @return int 周播放量
+     */
+    public static function getCourseWeekViewCount($courseId)
+    {
+        $key = "course:viewCount:{$courseId}";
+        // 从Redis获取周播放量
+        $viewCount = Cache::get($key);
+        if (empty($viewCount)) {
+            // 计算下周一的时间戳
+            $now = time();
+            $dayOfWeek = date('N', $now); // 1-7，1表示周一
+            $daysToMonday = $dayOfWeek === 1 ? 7 : (1 - $dayOfWeek + 7) % 7;
+            $nextMonday = $now + $daysToMonday * 86400;
+
+            // 计算剩余秒数并设置缓存
+            $seconds = $nextMonday - $now;
+            Cache::set($key, 1, $seconds);
+            return 1;
+        }
+        // 播放量递增并返回
+        $newCount = Cache::set($key, $viewCount + 1, -1);
+        return $newCount;
+    }
+
+
+
+
+
+
+}