Add SearchController

app/Http/Controllers/SearchController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\{Hashtag, Profile};
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+
+class SearchController extends Controller
+{
+    public function searchAPI(Request $request, $tag)
+    {
+      $res = Cache::remember('api:search:tag:' . $tag, 1440, function() use($tag) {
+        $res = Hashtag::where('slug', 'like', '%'.$tag.'%')->get();
+        $tags = $res->map(function($item, $key) {
+          return [
+            'count' => $item->posts()->count(),
+            'url' => $item->url(),
+            'type'  => 'hashtag',
+            'value' => $item->name,
+            'tokens' => explode('-', $item->name),
+            'name'  => null
+          ];
+        });
+        $res = Profile::where('username', 'like', '%'.$tag.'%')->get();
+        $profiles = $res->map(function($item, $key) {
+          return [
+            'count' => 0,
+            'url' => $item->url(),
+            'type'  => 'profile',
+            'value' => $item->username,
+            'tokens' => [$item->username],
+            'name' => $item->name
+          ];
+        });
+        $tags = $tags->push($profiles[0]);
+        return $tags;
+      });
+
+      return response()->json($res);
+    }
+}