kailin/app/Http/Controllers/Api/Riddle/Answer.php

<?php namespace App\Http\Controllers\Api\Riddle;

use App\Http\Controllers\Api\Api;
use App\Models\Riddle\Answer as Model;
use App\Models\Riddle\Active;
use App\Models\Riddle\ActiveShare;
use App\Models\Riddle\ActiveRecord;
use Illuminate\Support\Facades\DB;

/**
 * 灯谜问答
 * 
 * @author 刘相欣
 * 
 * */
class Answer extends Api{


	/**
	 * 判断回答是否正确		/api/riddle_answer/check_answer
	 * 
	 * */
	public function check_answer(Model $Model,Active $Active,ActiveRecord $ActiveRecord,ActiveShare $ActiveShare){
		// 接口验签
		// $this->verify_sign();
		// 检查登录
		$uid							= $this->checkLogin();
		// 获取参数
		$activeId						= request('active_id',0);
		$questionId						= request('question_id',0);
		$answerId						= request('answer_id',0);
		// 获取客户城市的数据
		$data			                = $Active->getOne($activeId);
		// 如果存在的话
		if( !$data )					return json_send(['code'=>'error','msg'=>'活动已下线或不存在','data'=>'']);
		// 获取参与次数
		$joinTotal						= $ActiveRecord->query()->where([['active_id','=',$activeId],['custom_uid','=',$uid]])->count();
		// 获取答题次数
		$shareTotal						= $ActiveShare->query()->where([['active_id','=',$activeId],['custom_uid','=',$uid]])->count();
		// 计算答题次数
		$data['join_total']				= $data['join_total'] + ( $shareTotal >= $data['join_share'] ? $data['join_share'] : $shareTotal);
		// 计算剩余参与次数
		$data['join_last']				= $data['join_total'] - $joinTotal;
		// 如果次数不够
		if( $data['join_last'] <= 0 )	return json_send(['code'=>'error','msg'=>'您已经没有参与次数了','data'=>'']);
		// 获取问题列表
		$answer							= $Model->getOne($questionId,$answerId);
		// 组合数据，写入订单表，子表
		DB::beginTransaction();
		try {
			// 记录答题记录
			$result						= $ActiveRecord->add(['active_id'=>$activeId,'custom_uid'=>$uid,'question_id'=>$questionId,'answer_id'=>$answerId,'is_answer'=>$answer['is_answer']]);
			// 如果记录失败
			if( !$result )				{
				// 回滚事务
				DB::rollBack();
				// 返回结果
				return					json_send(['code'=>'error','msg'=>'提交失败','data'=>['error'=>'答题记录失败']]);
			}
			// 判断答案是否正确
			if( $answer['is_answer'] ) 	{
				/**  
				 * @todo
				 * 对应的抽奖活动 为用户增加一次抽奖机会
				 */
			}
			// 提交事务
			DB::commit();
			// 返回结果
			return							json_send(['code'=>'success','msg'=>'提交成功','data'=>['is_answer'=>$answer['is_answer']]]);
		} catch (\Throwable $th) {
			// 返回结果
			return							json_send(['code'=>'success','msg'=>'提交失败','data'=>['error'=>$th->getMessage()]]);
		}
	}

	
}