初始化项目：添加后端代码、ThinkPHP框架、前端资源

2026-09-03 12:42:39 +08:00
commit 482bece22e
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+<?php
+
+namespace app\common\model\course;
+
+use think\Model;
+use app\api\model\course\ColumnBind;
+use app\common\model\user\Subscription;
+use app\common\exception\Exception;
+class Course extends Model
+{
+
+    // 表名
+    protected $name = 'course';
+
+    // 自动写入时间戳字段
+    protected $autoWriteTimestamp = 'integer';
+
+    // 定义时间戳字段名
+    protected $createTime = 'createtime';
+    protected $updateTime = false;
+    protected $deleteTime = false;
+
+
+    /**
+     * 获取课程价格
+     * @param $id
+     * @return array
+     */
+    public static function getPrice($id){
+        $data = self::get($id);
+
+        if(!$data){
+            return false;
+        }
+
+        $buyData = [
+            'pay_type'=>$data['pay_type'],
+            'price'=>$data['price'],
+            'sales_type'=>json_decode($data['sales_type'],true)
+        ];
+
+        if($data['pay_type'] != 'free'){
+            //判断是否在专栏中设置了试看
+            //如果专栏是免费的，那么专栏下的所有课程都可查看
+            $columnBind = ColumnBind::with([
+                'column'
+            ])->where(function ($query) use ($data) {
+                $query->where([
+                    'course_id'=>$data['id'],
+                    'try'=>1,
+                    'column.status'=>1,
+                    'column.uniacid'=>UNIACID
+                ]);
+            })->whereOr(function ($query) use ($data) {
+                $query->where([
+                    'course_id'=>$data['id'],
+                    'column.status'=>1,
+                    'column.pay_type'=>'free',
+                    'column.uniacid'=>UNIACID
+                ]);
+            })->field(["column.id"])->select();
+
+            if($columnBind){
+                $buyData['pay_type'] = 'free';
+            }
+        }
+
+        return $buyData;
+    }
+
+
+    /**
+     * 检查课程销售类型
+     * @param $row 课程详情
+     * @return false
+     */
+    public static function checkSalesType($row){
+
+        $row['sales_type'] = json_decode($row['sales_type'],true);
+
+        if($row['type'] != 'column' && (!$row['sales_type'] || !in_array("alone",$row['sales_type']))){
+            throw new Exception("该课程未开启单独售卖");
+        }
+
+        if($row['type'] == 'column' && !in_array("alone",$row['sales_type'])){
+            throw new Exception("该专栏未开启单独售卖");
+        }
+
+        return false;
+    }
+    
+   
+}