:sparkles: 根据输入的章节过滤条件查找tag

app/Http/Controllers/TagController.php

@@ -2,7 +2,11 @@
 
 namespace App\Http\Controllers;
 
+use Illuminate\Support\Str;
+use Illuminate\Support\Facades\DB;
 use App\Models\Tag;
+use App\Models\TagMap;
+use App\Models\ProgressChapter;
 use Illuminate\Http\Request;
 
 class TagController extends Controller
@@ -12,9 +16,98 @@ class TagController extends Controller
      *
      * @return \Illuminate\Http\Response
      */
-    public function index()
+    public function index(Request $request)
     {
         //
+        switch ($request->get('view')) {
+            case "chapter":
+                $progress = $request->get('progress',0.8);
+                $lang = $request->get('lang');
+                $channelType = $request->get('type','translation');
+
+                $tm = (new TagMap)->getTable();
+                $pc =(new ProgressChapter)->getTable();
+                $tg = (new Tag)->getTable();
+
+                //标签过滤
+                if($request->get('tags') && $request->get('tags')!==''){
+                    $tags = explode(',',$request->get('tags'));
+                    foreach ($tags as $tag) {
+                        # code...
+                        if(!empty($tag)){
+                            $tagNames[] = $tag;
+                        }
+                    }
+                }
+                if(isset($tagNames)){
+                    $where1 = " where co = ".count($tagNames);
+                    $a = implode(",",array_fill(0, count($tagNames), '?')) ;
+                    $in1 = "and t.name in ({$a})";
+                    $param = $tagNames;
+                }else{
+                    $where1 = " ";
+                    $in1 = " ";
+                }
+                if(Str::isUuid($request->get('channel'))){
+                    $channel = "and channel_id = '".$request->get('channel')."' ";
+                }else{
+                    $channel = "";
+                }
+                //完成度过滤
+                $param[] = $progress;
+
+                //语言过滤
+                if(!empty($request->get('lang'))){
+                    $whereLang = " and pc.lang = ? ";
+                    $param[] = $request->get('lang');
+                }else{
+                    $whereLang = "   ";
+                }
+                //channel type过滤
+				if($request->has('channel_type') && !empty($request->get('channel_type'))){
+					$channel_type = "and ch.type = ? ";
+					$param[] = $request->get('channel_type');
+				}else{
+					$channel_type = "";
+				}
+
+                $param_count = $param;
+
+                $query = "
+                select TID.tag_id as id,name, TID.count from(
+                    select tm2.tag_id, count(*)      from(
+						select pcd.uid as pc_uid
+							from (
+								select uid, book,para,lang,progress,channel_id,title,summary ,created_at ,updated_at
+									from (
+										select anchor_id as cid
+											from (
+												select tm.anchor_id , count(*) as co
+													from $tm as  tm
+													left join $tg as t on tm.tag_id = t.id
+													where tm.table_name  = 'progress_chapters'
+													$in1
+													group by tm.anchor_id
+											) T
+											$where1
+									) CID
+								left join $pc as pc on CID.cid = pc.uid
+								where pc.progress > ?
+								$channel  $whereLang
+							) pcd
+						left join channels as ch on pcd.channel_id = ch.uid
+						where ch.status >= 30 $channel_type
+                    ) CUID
+                    left join tag_maps tm2 on CUID.pc_uid = tm2.anchor_id
+				group by tm2.tag_id
+				) TID
+				left join tags t2 on t2.id = TID.tag_id
+				order by count desc";
+                $result = DB::select($query,$param);
+                return $this->ok(['rows'=>$result,'count'=>count($result)]);
+                break;
+        }
+
     }
 
     /**