教练列表，课时首页，课时详情，课时报名

application/api/controller/Lesson.php

@@ -24,6 +24,104 @@ class Lesson extends Api
         $this->success(1,$list);
     }
 
+    //教练列表
+    public function coach_list(){
+        $list = Db::name('coach')->field('id,nickname')->where('status',1)->order('nickname asc')->select();
+        $this->success(1,$list);
+    }
+
+    //课时首页
+    public function slot_list(){
+
+        $date = input('date',date('Y-m-d'),'strtotime');
+        $lesson_id = input('lesson_id',0);
+        $coach_id = input('coach_id',0);
+
+        $where = [
+            'slot.starttime' => ['BETWEEN',[$date,$date+864010]],
+        ];
+        if($lesson_id){
+            $where['slot.lesson_id'] = $lesson_id;
+        }
+
+        //课时
+        $list = Db::name('lesson_slot')->alias('slot')
+            ->field('slot.*,lesson.name,lesson.name_en,lesson.image,lesson.price')
+            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
+            ->where($where);
+        if($coach_id){
+            $list->where('find_in_set(:coach_ids,coach_ids)', ['coach_ids' => $coach_id]);
+        }
+        $list = $list->order('slot.starttime asc')->select();
+        if(empty($list)){
+            $this->success(1,[]);
+        }
+        $list = list_domain_image($list,['image']);
+        $list = $this->list_lang($list,['name']);
+
+        //准备教练数据
+        $coach_list = Db::name('coach')->column('id,nickname');
+
+        foreach($list as $key => &$slot){
+            //放入教练
+            $coach_text = '';
+            $coach_ids = explode(',',$slot['coach_ids']);
+            foreach($coach_ids as $coach_id){
+                $coach_text .= $coach_list[$coach_id].',';
+            }
+            $slot['coach_text'] = substr($coach_text,0,-1);
+
+            //剩余空位数量
+            $pay_number = Db::name('lesson_order')->where('slot_id',$slot['id'])->where('order_status',10)->sum('usernumber');
+            $slot['num_remain'] = $slot['num_max'] - $pay_number;
+
+            //右上角备注
+            if(time() >= $slot['starttime']){
+                $slot['num_remark'] = '报名已截止';
+            }else{
+                $slot['num_remark'] = '剩'.$slot['num_remain'].'空位';
+            }
+        }
+
+        $this->success(1,$list);
+    }
+
+    //课时详情
+    public function slot_info(){
+        $slot_id = input('slot_id',0);
+
+        //课时
+        $info = Db::name('lesson_slot')->alias('slot')
+            ->field('slot.*,lesson.name,lesson.name_en,lesson.image,lesson.price')
+            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
+            ->where('slot.id',$slot_id)->find();
+        if(empty($info)){
+            $this->error('课程可能已取消,请刷新重试');
+        }
+
+        $info = info_domain_image($info,['image']);
+        $info = $this->info_lang($info,['name']);
+
+        //准备教练数据
+        $coach_list = Db::name('coach')->where('id','IN',$info['coach_ids'])->column('nickname');
+        $info['coach_text'] = implode(',',$coach_list);
+
+        //剩余空位数量
+        $pay_number = Db::name('lesson_order')->where('slot_id',$info['id'])->where('order_status',10)->sum('usernumber');
+        $info['num_remain'] = $info['num_max'] - $pay_number;
+
+        $this->success(1,$info);
+    }
+
+    //课时申请报名
+    public function slot_apply(){
+        $slot_id = input('slot_id',0);
+        $number  = input('number',1);
+        $remark  = input('remark','');
+
+        $data = [];
+    }
+
     //售课套餐列表
     public function package_list(){
         $lesson_id = input('lesson_id',0);