kailin/app/Http/Controllers/Admin/VideoCourseQuestion.php

<?php namespace App\Http\Controllers\Admin;

use App\Http\Requests\Admin\Video\CourseQuestion as Request;
use App\Models\Video\CourseQuestion as Model;
use App\Models\Video\Course as VideoCourse;
use App\Models\Video\Question as VideoQuestion;


/**
 * 课程习题
 *
 * @author    刘相欣
 *
 */
class VideoCourseQuestion extends Auth{
	
	protected function _initialize(){
		parent::_initialize();
		$this->assign('breadcrumb1','课程习题');
		$this->assign('breadcrumb2','课后习题');
	}

	/**
	 * 列表页
	 * 
	 * */
    public function index(Model $Model,VideoCourse $VideoCourse,VideoQuestion $VideoQuestion){
		// 接收参数
		$courseId				= request('course_id',0);
		$questionId				= request('question_id',0);
		// 查询条件
		$map 					= [];
		// 组合条件
		if( $courseId )			$map[] = ['video_course.id','=',$courseId];
		if( $questionId )		$map[] = ['video_question.id','=',$questionId];
		// 查询数据
		$list					= $Model->query()
									->join('video_course','video_course.id','=','video_course_question.course_id')
									->join('video_question','video_question.id','=','video_course_question.question_id')
									->where($map)->select(['video_course_question.*','video_course.name as course_name','video_question.title as question_title'])
									->orderBy('video_course_question.id')->paginate(config('page_num',10));
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 重组
			$list[$key]			= $value;
		}
		// 查询数据
		$courseList 			= $VideoCourse->query()->orderByDesc('id')->get(['id','name']);
		$questionList 			= $VideoQuestion->query()->orderByDesc('id')->get(['id','title']);
		// 分配数据
		$this->assign('list',$list);
		$this->assign('courseList',$courseList);
		$this->assign('questionList',$questionList);
		$this->assign('empty', '<tr><td colspan="20">~~暂无数据</td></tr>');
		// 加载模板
		return 					$this->fetch();
    }


	/**
	 * 添加
	 * 
	 * */
	public function add(Request $request,Model $Model,VideoCourse $VideoCourse,VideoQuestion $VideoQuestion){
		if( request()->isMethod('post') ){
			// 验证参数
			$request->scene('add')->validate();
			// 接收数据
			$data['course_id']		= request('course_id',0);
			$data['question_id']	= request('question_id',0);
			$data['status']			= 1;
			// 查询
			$unique					= $Model->where(['course_id'=>$data['course_id'],'question_id'=>$data['question_id']])->first();
			// 如果存在
			if( $unique )			return json_send(['code'=>'error','msg'=>'习题已存在']);
			// 查询
			$unique					= $Model->where(['course_id'=>$data['course_id'],['play_time','=',$data['play_time']]])->first();
			// 如果存在
			if( $unique )			return json_send(['code'=>'error','msg'=>'该时间已设置问题']);
			// 写入数据表
			$id						= $Model->add($data);
			// 如果操作失败
			if( !$id ) 				return json_send(['code'=>'error','msg'=>'新增失败']);
			// 记录行为
			$this->addAdminHistory(admin('uid'),$Model->getTable(),$id,1,[],$data);
			// 告知结果
			return					json_send(['code'=>'success','msg'=>'新增成功','action'=>'add']);
		}
		// 查询数据
		$courseList 			= $VideoCourse->query()->orderByDesc('id')->get(['id','name']);
		$questionList 			= $VideoQuestion->query()->orderByDesc('id')->get(['id','title']);
		// 分配数据
		$this->assign('courseList',$courseList);
		$this->assign('questionList',$questionList);
		// 分配数据
		$this->assign('crumbs','新增');
		// 加载模板
		return						$this->fetch(); 
	}

	/**
	 * 修改
	 * 
	 * */
	public function edit(Request $request,Model $Model,VideoCourse $VideoCourse,VideoQuestion $VideoQuestion){
		// 接收参数
		$id							= request('id',0);
		// 查询用户
		$oldData					= $Model->where(['id'=>$id])->first();
		// 修改
		if(request()->isMethod('post')){
			// 验证参数
			$request->scene('edit')->validate();
			// 接收数据
			$data['course_id']		= request('course_id',0);
			$data['question_id']	= request('question_id',0);
			// 查询
			$unique					= $Model->where([['course_id','=',$data['course_id']],['question_id','=',$data['question_id']],['id','<>',$id]])->first();
			// 如果存在
			if( $unique )			return json_send(['code'=>'error','msg'=>'习题已存在']);
			// 查询
			$unique					= $Model->where(['course_id'=>$data['course_id'],['play_time','=',$data['play_time']],['id','<>',$id]])->first();
			// 如果存在
			if( $unique )			return json_send(['code'=>'error','msg'=>'该时间已设置问题']);
			// 写入数据表
			$result					= $Model->edit($id,$data);
			// 如果操作失败
			if( !$result ) 			return json_send(['code'=>'error','msg'=>'修改失败']);
			// 记录行为
			$this->addAdminHistory(admin('uid'),$Model->getTable(),$id,2,$oldData,$data);
			// 告知结果
			return					json_send(['code'=>'success','msg'=>'修改成功','action'=>'edit']);
		}
		// 错误告知
		if( !$oldData )				return $this->error('查无数据');
		// 查询数据
		$courseList 				= $VideoCourse->query()->orderByDesc('id')->get(['id','name']);
		$questionList 				= $VideoQuestion->query()->orderByDesc('id')->get(['id','title']);
		// 分配数据
		$this->assign('oldData',$oldData);
		$this->assign('courseList',$courseList);
		$this->assign('questionList',$questionList);
		$this->assign('crumbs','修改');
		// 加载模板
		return						$this->fetch();
	}

	/**
	 * 修改状态
	 * 
	 * */
	public function set_status(Request $request,Model $Model){
		// 验证参数
		$request->scene('set_status')->validate();
		// 设置状态
		$id				= request('id',0);
		$status			= request('status',0);
		// 查询用户
		$oldData		= $Model->where(['id'=>$id])->first();
		// 如果用户不存在
		if( !$oldData )	return json_send(['code'=>'error','msg'=>'数据不存在']);
		// 执行修改
		$result			= $Model->edit($id,['status'=>$status]);
		// 提示新增失败
		if( !$result )	return json_send(['code'=>'error','msg'=>'设置失败']);
		// 记录行为
		$this->addAdminHistory(admin('uid'),$Model->getTable(),$id,2,$oldData,['status'=>$status]);
		// 告知结果
		return 			json_send(['code'=>'success','msg'=>'设置成功','path'=>'']);
	}

}