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

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

use App\Http\Requests\Admin\Video\Answer as Request;
use App\Models\Video\Answer as Model;
use App\Models\Video\Question as Question;
/**
 * 灯谜答案
 *
 * @author    刘相欣
 *
 */
class VideoAnswer extends Auth{
	
	protected function _initialize(){
		parent::_initialize();
		$this->assign('breadcrumb1','课程习题');
		$this->assign('breadcrumb2','习题答案');
	}

	/**
	 * 列表页
	 * 
	 * */
    public function index(Model $Model,Question $Question){
		// 接收参数
		$questionId				= request('question_id','');
		// 查询条件
		$map 					= [];
		// 组合条件
		if( $questionId )		$map[] = ['question_id','=',$questionId];
		// 查询数据
		$list					= $Model->query()->where($map)->orderByDesc('id')->paginate(config('page_num',10));
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 重组
			$list[$key]			= $value;
		}
		// 问题列表
		$questionList			= $Question->query()->get(['id','title'])->toArray();
		// 分配数据
		$this->assign('empty', '<tr><td colspan="20">~~暂无数据</td></tr>');
		$this->assign('questionList',$questionList);
		$this->assign('list',$list);
		// 加载模板
		return 					$this->fetch();
    }


	/**
	 * 添加
	 * 
	 * */
	public function add(Request $request,Model $Model,Question $Question){
		if( request()->isMethod('post') ){
			// 验证参数
			$request->scene('add')->validate();
			// 接收数据
			$data['question_id']	= request('question_id',0);
			$data['value']			= request('value','');
			// 通过查询
			$count					= count($Model->getListByQuestion($data['question_id']));
			// 最多添加4个选项
			if( $count >= 4 )		return json_send(['code'=>'error','msg'=>'最多添加4个选项']);
			// 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']);
		}
		// 问题列表
		$questionList				= $Question->query()->get(['id','title'])->toArray();
		// 分配数据
		$this->assign('questionList',$questionList);
		$this->assign('crumbs','新增');
		// 加载模板
		return						$this->fetch(); 
	}

	/**
	 * 修改
	 * 
	 * */
	public function edit(Request $request,Model $Model,Question $Question){
		// 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['question_id']	= request('question_id',0);
			$data['value']			= request('value','');
			// 获取当前问题
			$oldQuestion			= $Model->getOne($data['question_id'],$id,'question_id');
			// 如果当前选项值，不是当前的问题ID
			if( $oldQuestion != $data['question_id'] ){
				// 通过查询
				$count					= count($Model->getListByQuestion($data['question_id']));
				// 最多添加4个选项
				if( $count >= 4 )		return json_send(['code'=>'error','msg'=>'最多添加4个选项']);
			}
			// 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');
		// 问题列表
		$questionList				= $Question->query()->get(['id','title'])->toArray();
		// 分配数据
		$this->assign('questionList',$questionList);
		$this->assign('oldData',$oldData);
		$this->assign('crumbs','修改');
		// 加载模板
		return						$this->fetch();
	}

	/**
	 * 修改状态
	 * 
	 * */
	public function set_answer(Request $request,Model $Model){
		// 验证参数
		$request->scene('set_answer')->validate();
		// 设置状态
		$id				= request('id',0);
		$status			= request('is_answer',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			= $Model->query()->where([['question_id','=',$oldData['question_id']]])->update(['is_answer'=>0]);
		// 执行修改
		$result			= $Model->edit($id,['is_answer'=>$status,'question_id'=>$oldData['question_id']]);
		// 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,['is_answer'=>$status]);
		// 告知结果
		return 			json_send(['code'=>'success','msg'=>'设置成功','path'=>'']);
	}

}