mint/app/Http/Controllers/CorpusController.php

<?php

namespace App\Http\Controllers;

use App\Models\Sentence;
use App\Models\Channel;
use App\Models\PaliText;
use App\Models\WbwTemplate;
use App\Models\WbwBlock;
use App\Models\Wbw;
use App\Models\Discussion;
use App\Models\PaliSentence;
use App\Models\SentSimIndex;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use App\Http\Api\MdRender;
use App\Http\Api\SuggestionApi;
use App\Http\Api\ChannelApi;
use App\Http\Api\UserApi;
use App\Http\Api\StudioApi;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Arr;
use App\Http\Resources\TocResource;

class CorpusController extends Controller
{
    protected $result = [
        "uid"=> '',
        "title"=> '',
        "path"=>[],
        "sub_title"=> '',
        "summary"=> '',
        "content"=> '',
        "content_type"=> "html",
        "toc" => [],
        "status"=>30,
        "lang"=> "",
        "created_at"=> "",
        "updated_at"=> "",
    ];
    protected $wbwChannels = [];
    //句子需要查询的列
    protected $selectCol = [
        'uid',
        'book_id',
        'paragraph',
        'word_start',
        "word_end",
        'channel_uid',
        'content',
        'editor_uid',
        'acceptor_uid',
        'pr_edit_at',
        'updated_at'
    ];
    public function __construct()
    {


    }
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\Sentence  $sentence
     * @return \Illuminate\Http\Response
     */
    public function show(Sentence $sentence)
    {
        //
    }
    public function getSentTpl($id,$channels,$mode='edit',$onlyProps=false){
        $sent = [];
        $sentId = \explode('-',$id);
        if($mode==='read'){
            $channelId = ChannelApi::getSysChannel('_System_Pali_VRI_');
        }else{
            $channelId = ChannelApi::getSysChannel('_System_Wbw_VRI_');
        }

        if($channelId !== false){
            array_push($channels,$channelId);
        }
        $record = Sentence::select($this->selectCol)
        ->where('book_id',$sentId[0])
        ->where('paragraph',$sentId[1])
        ->where('word_start',(int)$sentId[2])
        ->where('word_end',(int)$sentId[3])
        ->whereIn('channel_uid',$channels)
        ->get();
        Log::info("sent count:".count($record));


        $channelIndex = $this->getChannelIndex($channels);

        //获取wbw channel
        //目前默认的 wbw channel 是第一个translation channel
        foreach ($channels as  $channel) {
            # code...
            if($channelIndex[$channel]->type==='translation'){
                $this->wbwChannels[] = $channel;
                break;
            }
        }
        return $this->makeContent($record,$mode,$channelIndex,[],$onlyProps);
    }
    /**
     * Display the specified resource.
     *
     * @param  string  $id
     * @return \Illuminate\Http\Response
     */
    public function showSent($id)
    {
        //
        $param = \explode('_',$id);
        if(count($param)>1){
            $channels = array_slice($param,1);
        }else{
            $channels = [];
        }
        $this->result['content'] = getSentTpl($param[0],$channels);
        return $this->ok($this->result);
    }

    public function showSentences($type,$id,$mode='read'){
        $param = \explode('_',$id);
        $sentId = \explode('-',$param[0]);
        $channels = [];

		#获取channel类型
        $sentChannel = Sentence::select('channel_uid')
                    ->where('book_id',$sentId[0])
                    ->where('paragraph',$sentId[1])
                    ->where('word_start',$sentId[2])
                    ->where('word_end',$sentId[3])
                    ->get();
        foreach ($sentChannel as $key => $value) {
            # code...
            $channels[] = $value->channel_uid;
        }
		$channelInfo = Channel::whereIn("uid",$channels)->select(['uid','type','name'])->get();
		$indexChannel = [];
        $channels = [];
		foreach ($channelInfo as $key => $value) {
			# code...
            if($value->type === $type){
                $indexChannel[$value->uid] = $value;
                $channels[] = $value->uid;
            }
		}
		//获取句子数据
        $record = Sentence::select($this->selectCol)
                    ->where('book_id',$sentId[0])
                    ->where('paragraph',$sentId[1])
                    ->where('word_start',$sentId[2])
                    ->where('word_end',$sentId[3])
                    ->whereIn('channel_uid',$channels)
                    ->orderBy('paragraph')
                    ->orderBy('word_start')
                    ->get();
        if(count($record) ===0){
            return $this->error("no data");
        }

        $this->result['content'] = $this->makeContent($record,$mode,$indexChannel);
        return $this->ok($this->result);
    }

    /**
     * Store a newly created resource in storage.

     * @param  \Illuminate\Http\Request  $request
     * @param string $id
     * @param string $mode
     * @return \Illuminate\Http\Response
     */
    public function showChapter(Request $request, string $id,string $mode='read')
    {
        //
        $param = \explode('_',$id);
        $sentId = \explode('-',$param[0]);
        $channels = [];
        if(count($param)>1){
            $channels = array_slice($param,1);
        }
        if($mode === 'read'){
            //阅读模式加载html格式原文
            $channelId = ChannelApi::getSysChannel('_System_Pali_VRI_');
        }else{
            //翻译模式加载json格式原文
            $channelId = ChannelApi::getSysChannel('_System_Wbw_VRI_');
        }

        if($channelId !== false){
            $channels[] = $channelId;
        }

        $chapter = PaliText::where('book',$sentId[0])->where('paragraph',$sentId[1])->first();
        if(!$chapter){
            return $this->error("no data");
        }
        if(empty($chapter->toc)){
            $this->result['title'] = "unknown";
        }else{
            $this->result['title'] = $chapter->toc;
            $this->result['sub_title'] = $chapter->toc;
            $this->result['path'] = json_decode($chapter->path);
        }

        $paraFrom = $sentId[1];
        $paraTo = $sentId[1]+$chapter->chapter_len-1;
        //获取标题
        $heading = PaliText::select(["book","paragraph","level"])
                            ->where('book',$sentId[0])
                            ->whereBetween('paragraph',[$paraFrom,$paraTo])
                            ->where('level','<',8)
                            ->get();
        //将标题段落转成索引数组 以便输出标题层级
        $indexedHeading = [];
        foreach ($heading as $key => $value) {
            # code...
            $indexedHeading["{$value->book}-{$value->paragraph}"] = $value->level;
        }
		#获取channel索引表
        $tranChannels = [];
		$channelInfo = Channel::whereIn("uid",$channels)->select(['uid','type','name'])->get();
		foreach ($channelInfo as $key => $value) {
			# code...
            if($value->type==="translation" ){
                $tranChannels[] = $value->uid;
            }
		}
        $indexChannel = [];
        $indexChannel = $this->getChannelIndex($channels);
        //获取wbw channel
        //目前默认的 wbw channel 是第一个translation channel
        foreach ($channels as $key => $value) {
            # code...
            if($indexChannel[$value]->type==='translation'){
                $this->wbwChannels[] = $value;
                break;
            }
        }
        $title = Sentence::select($this->selectCol)
                    ->where('book_id',$sentId[0])
                    ->where('paragraph',$sentId[1])
                    ->whereIn('channel_uid',$tranChannels)
                    ->first();
        if($title){
            $this->result['title'] = MdRender::render($title->content,$title->channel_uid);
        }

        /**
         * 获取句子数据
         * 算法：
         * 1. 如果标题和下一级第一个标题之间有段落。只输出这些段落和子目录
         * 2. 如果标题和下一级第一个标题之间没有间隔 且 chapter 长度大于10000个字符 且有子目录，只输出子目录
         * 3. 如果二者都不是，lazy load
         */
		//1. 计算 标题和下一级第一个标题之间 是否有间隔
        $nextChapter =  PaliText::where('book',$sentId[0])
                                ->where('paragraph',">",$sentId[1])
                                ->where('level','<',8)
                                ->orderBy('paragraph')
                                ->value('paragraph');
        $between = $nextChapter - $sentId[1];
        //输出子目录
        $chapterLen = $chapter->chapter_len;
        $toc = PaliText::where('book',$sentId[0])
                        ->whereBetween('paragraph',[$paraFrom+1,$paraFrom+$chapterLen-1])
                        ->where('level','<',8)
                        ->orderBy('paragraph')
                        ->select(['book','paragraph','level','toc'])
                        ->get();

        if($between > 1){
            //有间隔
            $paraTo = $nextChapter - 1;
        }else{
            if($chapter->chapter_strlen>15000){
                if(count($toc)>0){
                    //有子目录只输出标题和目录
                    $paraTo = $paraFrom;
                }else{
                    //没有子目录 全部输出
                }
            }else{
                //章节小。全部输出 不输出章节
                $toc = [];
            }
        }
        $record = Sentence::select($this->selectCol)
                    ->where('book_id',$sentId[0])
                    ->whereBetween('paragraph',[$paraFrom,$paraTo])
                    ->whereIn('channel_uid',$channels)
                    ->orderBy('paragraph')
                    ->orderBy('word_start')
                    ->get();
        if(count($record) ===0){
            return $this->error("no data");
        }

        $this->result['content'] = $this->makeContent($record,$mode,$indexChannel,$indexedHeading);
        $this->result['toc'] = TocResource::collection($toc);

        return $this->ok($this->result);
    }

    private function getChannelIndex($channels,$type=null){
        #获取channel索引表
        $channelInfo = Channel::whereIn("uid",$channels)->select(['uid','type','name','owner_uid'])->get();
        $indexChannel = [];
        foreach ($channelInfo as $key => $value) {
            # code...
            if($type !== null && $value->type !== $type){
                continue;
            }
            $indexChannel[$value->uid] = $value;
        }
        foreach ($indexChannel as $uid => $value) {
            # 查询studio
            $indexChannel[$uid]['studio'] = StudioApi::getById($value->owner_uid);
        }
        return $indexChannel;
    }
    /**
     * 根据句子库数据生成文章内容
     * $record 句子数据
     * $mode read | edit | wbw
     * $indexChannel channel索引
     * $indexedHeading 标题索引 用于给段落加标题标签 <h1> ect.
     */
    private function makeContent($record,$mode,$indexChannel,$indexedHeading=[],$onlyProps=false){
        $content = [];
		$lastSent = "0-0";
		$sentCount = 0;
        $sent = [];
        $sent["origin"] = [];
        $sent["translation"] = [];
        //获取句子编号列表

        $sentList = [];
        foreach ($record as $key => $value) {
            $currSentId = "{$value->book_id}-{$value->paragraph}-{$value->word_start}-{$value->word_end}";
            $sentList[$currSentId]=[$value->book_id ,$value->paragraph,$value->word_start,$value->word_end];
            $value['sid'] = "{$currSentId}_{$value->channel_uid}";
        }
        //遍历列表查找每个句子的所有channel的数据，并填充
        foreach ($sentList as $currSentId => $arrSentId) {
            # code...
            $sent = $this->newSent($arrSentId[0],$arrSentId[1],$arrSentId[2],$arrSentId[3]);
            $sent["origin"] = [];
            $sent["translation"] = [];
            foreach ($indexChannel as $channelId => $info) {
                # code...
                $sid = "{$currSentId}_{$channelId}";
                $newSent = [
                    "content"=>"",
                    "html"=> "",
                    "book"=> $arrSentId[0],
                    "para"=> $arrSentId[1],
                    "wordStart"=> $arrSentId[2],
                    "wordEnd"=> $arrSentId[3],
                    "channel"=> [
                        "name"=>$info->name,
                        "type"=>$info->type,
                        "id"=> $info->uid,
                    ],
                    "studio" => $info['studio'],
                    "updateAt"=> "",
                    "suggestionCount" => SuggestionApi::getCountBySent($arrSentId[0],$arrSentId[1],$arrSentId[2],$arrSentId[3],$channelId),
                ];

                $row = Arr::first($record,function($value,$key) use($sid){
                    return $value['sid']===$sid;
                });
                if($row){
                    $newSent['id'] = $row->uid;
                    $newSent['content'] = $row->content;
                    $newSent['html'] = "";
                    $newSent["editor"]=UserApi::getById($row->editor_uid);
                    $newSent['updateAt'] = $row->updated_at;
                    if($mode !== "read"){
                        if(isset($row->acceptor_uid) && !empty($row->acceptor_uid)){
                            $newSent["acceptor"]=UserApi::getById($row->acceptor_uid);
                            $newSent["prEditAt"]=$row->pr_edit_at;
                        }
                    }
                    switch ($info->type) {
                        case 'wbw':
                        case 'original':
                            //
                                // 在编辑模式下。
                                // 如果是原文，查看是否有逐词解析数据，
                                // 有的话优先显示。
                                // 阅读模式直接显示html原文
                                // 传过来的数据一定有一个原文channel
                                //
                            if($mode !== "read"){
                                $newSent['channel']['type'] = "wbw";
                                if(isset($this->wbwChannels[0])){
                                    //存在一个translation channel
                                    //尝试查找逐词解析数据。找到，替换现有数据
                                    $wbwData = $this->getWbw($arrSentId[0],$arrSentId[1],$arrSentId[2],$arrSentId[3],$channelId);
                                    if($wbwData){
                                        $newSent['content'] = $wbwData;
                                        $newSent['html'] = "";
                                    }
                                }
                            }else{
                                $newSent['html'] = $row->content;
                                $newSent['content'] = "";
                            }

                            break;
                        case 'nissaya':
                            $newSent['html'] = Cache::remember("/sent/{$channelId}/{$currSentId}",10,
                            function() use($row,$mode){
                                return MdRender::render($row->content,$row->channel_uid,null,$mode,"nissaya");
                            });
                            break;
                        default:
                            //译文需要markdown渲染
                            $newSent['html'] = Cache::remember("/sent/{$channelId}/{$currSentId}",10,
                                                function() use($row){
                                                    return MdRender::render($row->content,$row->channel_uid);
                                                });
                            break;
                    }
                }
                switch ($info->type) {
                    case 'wbw':
                    case 'original':
                        array_push($sent["origin"],$newSent);
                        break;
                    default:
                        array_push($sent["translation"],$newSent);
                        break;
                }
            }
            if($onlyProps){
                return $sent;
            }
            $content = $this->pushSent($content,$sent,0,$mode);
        }

/*
        foreach ($record as $key => $value) {
            # 遍历结果生成html文件
            $currSentId = $value->book_id.'-'.$value->paragraph.'-'.$value->word_start.'-'.$value->word_end;
			if($currSentId !== $lastSent){
				if($sentCount > 0){
					//保存上一个句子
					//增加标题的html标记
					$level = 0;
					if(isset($indexedHeading["{$value->book_id}-{$value->paragraph}"])){
						$level = $indexedHeading["{$value->book_id}-{$value->paragraph}"];
					}
					$content = $this->pushSent($content,$sent,$level,$mode);
				}
				//新建句子
				$sent = $this->newSent($value->book_id,$value->paragraph,$value->word_start,$value->word_end);

				$lastSent = $currSentId;
			}
			$sentContent=$value->content;
			$channelType = $indexChannel[$value->channel_uid]->type;
			if($indexChannel[$value->channel_uid]->type==="original" && $mode !== 'read'){
                //非阅读模式下。原文使用逐词解析数据。优先加载第一个translation channel 如果没有。加载默认逐词解析。
				$channelType = 'wbw';
                $html = "";

                if(count($this->wbwChannels)>0){
                    //获取逐词解析数据
                    $wbwBlock = WbwBlock::where('channel_uid',$this->wbwChannels[0])
                                        ->where('book_id',$value->book_id)
                                        ->where('paragraph',$value->paragraph)
                                        ->select('uid')
                                        ->first();
                    if($wbwBlock){
                        //找到逐词解析数据
                        $wbwData = Wbw::where('block_uid',$wbwBlock->uid)
                                      ->whereBetween('wid',[$value->word_start,$value->word_end])
                                      ->select(['data','uid'])
                                      ->orderBy('wid')
                                      ->get();
                        $wbwContent = [];
                        foreach ($wbwData as $wbwrow) {
                            $wbw = str_replace("&nbsp;",' ',$wbwrow->data);
                            $wbw = str_replace("<br>",' ',$wbw);

                            $xmlString = "<root>" . $wbw . "</root>";
                            try{
                                $xmlWord = simplexml_load_string($xmlString);
                            }catch(Exception $e){
                                continue;
                            }
                            $wordsList = $xmlWord->xpath('//word');
                            foreach ($wordsList as $word) {
                                $case = \str_replace(['#','.'],['$',''],$word->case->__toString());
                                $case = \str_replace('$$','$',$case);
                                $case = trim($case);
                                $case = trim($case,"$");
                                $wbwContent[] = [
                                    'uid'=>$wbwrow->uid,
                                    'word'=>['value'=>$word->pali->__toString(),'status'=>0],
                                    'real'=> ['value'=>$word->real->__toString(),'status'=>0],
                                    'meaning'=> ['value'=>\explode('$',$word->mean->__toString()) ,'status'=>0],
                                    'type'=> ['value'=>$word->type->__toString(),'status'=>0],
                                    'grammar'=> ['value'=>$word->gramma->__toString(),'status'=>0],
                                    'case'=> ['value'=>\explode('$',$case),'status'=>0],
                                    'parent'=> ['value'=>$word->parent->__toString(),'status'=>0],
                                    'style'=> ['value'=>$word->style->__toString(),'status'=>0],
                                    'factors'=> ['value'=>$word->org->__toString(),'status'=>0],
                                    'factorMeaning'=> ['value'=>$word->om->__toString(),'status'=>0],
                                    'confidence'=> 0.5,
                                    'hasComment'=>Discussion::where('res_id',$wbwrow->uid)->exists(),
                                ];
                            }
                        }
                        $sentContent = \json_encode($wbwContent);
                    }
                }
			}else{
                if($indexChannel[$value->channel_uid]->type==="original"){
                    //原文直接使用
                    $html = Cache::remember("/sent/{$value->channel_uid}/{$currSentId}",10,
                            function() use($value){
                                return $value->content;
                            });
                }else{
                    //译文需要markdown渲染
                    $html = Cache::remember("/sent/{$value->channel_uid}/{$currSentId}",10,
                            function() use($value){
                                return MdRender::render($value->content,$value->channel_uid);
                            });
                }
            }

            $newSent = [
                "content"=>$sentContent,
                "html"=> $html,
                "book"=> $value->book_id,
                "para"=> $value->paragraph,
                "wordStart"=> $value->word_start,
                "wordEnd"=> $value->word_end,
                "editor"=> [
                    'id'=>$value->editor_uid,
                    'nickName'=>'nickname',
                    'realName'=>'realName',
                    'avatar'=>'',
                ],
                "channel"=> [
                    "name"=>$indexChannel[$value->channel_uid]->name,
                    "type"=>$channelType,
	                "id"=> $value->channel_uid,
                ],
                "updateAt"=> $value->updated_at,
                "suggestionCount" => SuggestionApi::getCountBySent($value->book_id,$value->paragraph,$value->word_start,$value->word_end,$value->channel_uid),
            ];
			switch ($indexChannel[$value->channel_uid]->type) {
				case 'original';
				case 'wbw';
					array_push($sent["origin"],$newSent);
					break;
				default:
					array_push($sent["translation"],$newSent);
					break;
			}

			$sentCount++;
        }
        if($onlyProps){
            return $sent;
        }
        $content = $this->pushSent($content,$sent,0,$mode);
*/
        $output = \implode("",$content);
        return "<div>{$output}</div>";
    }
    private function getWbw($book,$para,$start,$end,$channel){
        /**
         * 非阅读模式下。原文使用逐词解析数据。
         * 优先加载第一个translation channel 如果没有。加载默认逐词解析。
         */

        //获取逐词解析数据
        $wbwBlock = WbwBlock::where('channel_uid',$channel)
                            ->where('book_id',$book)
                            ->where('paragraph',$para)
                            ->select('uid')
                            ->first();
        if(!$wbwBlock){
            return false;
        }
        //找到逐词解析数据
        $wbwData = Wbw::where('block_uid',$wbwBlock->uid)
                      ->whereBetween('wid',[$start,$end])
                      ->select(['data','uid'])
                      ->orderBy('wid')
                      ->get();
        $wbwContent = [];
        foreach ($wbwData as $wbwrow) {
            $wbw = str_replace("&nbsp;",' ',$wbwrow->data);
            $wbw = str_replace("<br>",' ',$wbw);

            $xmlString = "<root>" . $wbw . "</root>";
            try{
                $xmlWord = simplexml_load_string($xmlString);
            }catch(Exception $e){
                continue;
            }
            $wordsList = $xmlWord->xpath('//word');
            foreach ($wordsList as $word) {
                $case = \str_replace(['#','.'],['$',''],$word->case->__toString());
                $case = \str_replace('$$','$',$case);
                $case = trim($case);
                $case = trim($case,"$");
                $wbwContent[] = [
                    'uid'=>$wbwrow->uid,
                    'word'=>['value'=>$word->pali->__toString(),'status'=>0],
                    'real'=> ['value'=>$word->real->__toString(),'status'=>0],
                    'meaning'=> ['value'=>\explode('$',$word->mean->__toString()) ,'status'=>0],
                    'type'=> ['value'=>$word->type->__toString(),'status'=>0],
                    'grammar'=> ['value'=>$word->gramma->__toString(),'status'=>0],
                    'case'=> ['value'=>\explode('$',$case),'status'=>0],
                    'parent'=> ['value'=>$word->parent->__toString(),'status'=>0],
                    'style'=> ['value'=>$word->style->__toString(),'status'=>0],
                    'factors'=> ['value'=>$word->org->__toString(),'status'=>0],
                    'factorMeaning'=> ['value'=>$word->om->__toString(),'status'=>0],
                    'confidence'=> 0.5,
                    'hasComment'=>Discussion::where('res_id',$wbwrow->uid)->exists(),
                ];
            }
        }
        return \json_encode($wbwContent,JSON_UNESCAPED_UNICODE);

    }
    /**
     * 将句子放进结果列表
     */
	private function pushSent($result,$sent,$level=0,$mode='read'){

		$sentProps = base64_encode(\json_encode($sent)) ;
        if($mode === 'read'){
            $sentWidget = "<MdTpl tpl='sentread' props='{$sentProps}' />";
        }else{
            $sentWidget = "<MdTpl tpl='sentedit' props='{$sentProps}' />";
        }
		//增加标题的html标记
		if($level>0){
			$sentWidget = "<h{$level}>".$sentWidget."</h{$level}>";
		}
		array_push($result,$sentWidget);
        return $result;
	}
	private function newSent($book,$para,$word_start,$word_end){
		$sent = [
            "id"=>"{$book}-{$para}-{$word_start}-{$word_end}",
			"origin"=>[],
			"translation"=>[],
		];

		#生成channel 数量列表
		$sentId = "{$book}-{$para}-{$word_start}-{$word_end}";
        $channelCount = CorpusController::sentResCount($book,$para,$word_start,$word_end);
        /*
		$channelCount = Cache::remember("/sent1/{$sentId}/channels/count",
                          60,
                          function() use($book,$para,$word_start,$word_end){
			$channels =  Sentence::where('book_id',$book)
							->where('paragraph',$para)
							->where('word_start',$word_start)
							->where('word_end',$word_end)
							->select('channel_uid')
                            ->groupBy('channel_uid')
							->get();
            $channelList = [];
            foreach ($channels as $key => $value) {
                # code...
                $channelList[] = $value->channel_uid;
            }
            $channelInfo = Channel::whereIn("uid",$channelList)->select('type')->get();
            $output["tranNum"]=0;
            $output["nissayaNum"]=0;
            $output["commNum"]=0;
            $output["originNum"]=0;
            foreach ($channelInfo as $key => $value) {
                # code...
                switch($value->type){
                    case "translation":
                        $output["tranNum"]++;
                        break;
                    case "nissaya":
                        $output["nissayaNum"]++;
                        break;
                    case "commentary":
                        $output["commNum"]++;
                        break;
                    case "original":
                        $output["originNum"]++;
                        break;
                }
            }
			return $output;

		});
        */

		$sent["tranNum"] = $channelCount['tranNum'];
		$sent["nissayaNum"] = $channelCount['nissayaNum'];
		$sent["commNum"] = $channelCount['commNum'];
		$sent["originNum"] = $channelCount['originNum'];
		$sent["simNum"] = $channelCount['simNum'];
		return $sent;
	}

    /**
     * 获取某个句子的相关资源的句子数量
     */
    public static function sentResCount($book,$para,$start,$end){
		$sentId = "{$book}-{$para}-{$start}-{$end}";
		$channelCount = Cache::remember("/sentence/{$sentId}/channels/count",
                          60,
                          function() use($book,$para,$start,$end){
			$channels =  Sentence::where('book_id',$book)
							->where('paragraph',$para)
							->where('word_start',$start)
							->where('word_end',$end)
							->select('channel_uid')
                            ->groupBy('channel_uid')
							->get();
            $channelList = [];
            foreach ($channels as $key => $value) {
                # code...
                $channelList[] = $value->channel_uid;
            }
            $simId = PaliSentence::where('book',$book)
                                 ->where('paragraph',$para)
                                 ->where('word_begin',$start)
                                 ->where('word_end',$end)
                                 ->value('id');
            if($simId){
                $output["simNum"]=SentSimIndex::where('sent_id',$simId)->value('count');
            }else{
                $output["simNum"]=0;
            }
            $channelInfo = Channel::whereIn("uid",$channelList)->select('type')->get();
            $output["tranNum"]=0;
            $output["nissayaNum"]=0;
            $output["commNum"]=0;
            $output["originNum"]=0;

            foreach ($channelInfo as $key => $value) {
                # code...
                switch($value->type){
                    case "translation":
                        $output["tranNum"]++;
                        break;
                    case "nissaya":
                        $output["nissayaNum"]++;
                        break;
                    case "commentary":
                        $output["commNum"]++;
                        break;
                    case "original":
                        $output["originNum"]++;
                        break;
                }
            }
			return $output;

		});
        return $channelCount;
    }
    private function markdownRender($input){

    }
    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Models\Sentence  $sentence
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, Sentence $sentence)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\Sentence  $sentence
     * @return \Illuminate\Http\Response
     */
    public function destroy(Sentence $sentence)
    {
        //
    }
}