create

app/Http/Controllers/SentencesInChapterController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\PaliText;
+use App\Models\PaliSentence;
+use Illuminate\Http\Request;
+
+class SentencesInChapterController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index(Request $request)
+    {
+        //
+        $book = $request->get('book');
+        $para = $request->get('para');
+        $chapter = PaliText::where('book',$book)
+                           ->where('paragraph',$para)
+                           ->first();
+        if(!$chapter){
+            return $this->error("no chapter data");
+        }
+        $paraFrom = $para;
+        $paraTo = $para+$chapter->chapter_len-1;
+
+        //1. 计算 标题和下一级第一个标题之间 是否有间隔
+        $nextChapter =  PaliText::where('book',$book)
+                        ->where('paragraph',">",$para)
+                        ->where('level','<',8)
+                        ->orderBy('paragraph')
+                        ->value('paragraph');
+        $between = $nextChapter - $para;
+        //查找子目录
+        $chapterLen = $chapter->chapter_len;
+        $toc = PaliText::where('book',$book)
+                ->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>2000){
+                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 不输出子目录
+                $toc = [];
+            }
+        }
+
+        $sent = PaliSentence::where('book',$book)
+                            ->whereBetween('paragraph',[$paraFrom,$paraTo])
+                            ->select(['book','paragraph','word_begin','word_end'])
+                            ->orderBy('paragraph')
+                            ->orderBy('word_begin')
+                            ->get();
+        return $this->ok(['rows'=>$sent,'count'=>count($sent)]);
+    }
+
+    /**
+     * 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\PaliText  $paliText
+     * @return \Illuminate\Http\Response
+     */
+    public function show(PaliText $paliText)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \App\Models\PaliText  $paliText
+     * @return \Illuminate\Http\Response
+     */
+    public function update(Request $request, PaliText $paliText)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  \App\Models\PaliText  $paliText
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy(PaliText $paliText)
+    {
+        //
+    }
+}