Merge remote-tracking branch 'origin/version-1.8.3' into v2

# Conflicts:
#	app/FileManagerFolder.php
#	app/Http/Controllers/AppFunctionsController.php
#	app/Http/Controllers/Auth/AuthController.php
#	app/Http/Controllers/FileManager/BrowseController.php
#	app/Http/Controllers/General/SetupWizardController.php
#	app/Http/Controllers/General/UpgradeAppController.php
#	app/Http/Controllers/Sharing/FileSharingController.php
#	app/Http/helpers.php
#	app/Setting.php
#	composer.lock
#	public/mix-manifest.json
#	resources/js/App.vue
#	resources/js/components/Others/Forms/FormLabel.vue
#	resources/js/store/modules/app.js
#	resources/js/views/Admin.vue
#	resources/js/views/Mobile/AdminMobileMenu.vue
#	resources/js/views/Shared/SharedPage.vue
#	resources/views/index.blade.php
#	resources/views/vuefilemanager/crawler/og-view.blade.php
#	resources/views/vuefilemanager/invoice.blade.php
#	routes/api.php
#	routes/web.php

app/Http/Controllers/Admin/LanguageController.php

@@ -0,0 +1,146 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Setting;
+use App\Language;
+use App\LanguageString;
+
+
+use App\Http\Tools\Demo;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use App\Http\Controllers\Controller;
+use Illuminate\Support\Facades\Cache;
+use App\Http\Requests\Languages\UpdateStringRequest;
+use App\Http\Requests\Languages\CreateLanguageRequest;
+use App\Http\Requests\Languages\UpdateLanguageRequest;
+
+class LanguageController extends Controller
+{
+
+    /**
+     * Get all languages for admin translate
+     * 
+     * @return Collection
+     */
+    public function get_languages()
+    {
+        return [
+           'languages'    => Language::all(),
+           'set_language' => Setting::whereName('language')->first()->value
+        ];
+    }
+
+    /**
+     * Get all language strings for admin translate
+     *
+     * @param Language $language
+     * @return Collection
+     */
+    public function get_language_strings(Language $language)
+    {
+        $lang = Language::whereId($language->id);
+
+        $strings = $lang->with('languageStrings')->first();
+
+        // dd($language);
+
+        $license = get_setting('license') === 'Extended' ? 'extended' : 'regular';
+
+        $default_strings = collect(config('language_strings.' . $license));
+
+        return [
+            'translated_strings' => $strings,
+            'default_strings'    => $default_strings
+        ];
+    }
+
+    /**
+     * Create new language
+     *
+     * @param CreateLanguageRequest $request
+     * @return string
+     */
+    public function create_language(CreateLanguageRequest $request)
+    {
+        // Check if is demo
+        if (env('APP_DEMO')) {
+            return Demo::response_204();
+        }
+
+        // Create languages & strings
+        $language = Language::create([
+            'name'      => $request->name,
+            'locale'    => $request->locale
+        ]);
+
+        // Return created language
+        return $language;
+    }
+
+    /**
+     * Update language
+     *
+     * @param UpdateLanguageRequest $request
+     * @param Language $language
+     * @return $language
+     */
+    public function update_language(UpdateLanguageRequest $request, Language $language)
+    {
+        // Check if is demo
+        if (env('APP_DEMO')) {
+            return Demo::response_204();
+        }
+
+        // Update language
+        $language->update(make_single_input($request));
+
+        // Return updated language
+        return $language;
+    }
+
+    /**
+     * Update string for language
+     *
+     * @param UpdateStringRequest $request
+     * @param Language $language
+     * @return ResponseFactory|\Illuminate\Http\Response
+     */
+    public function update_string(UpdateStringRequest $request, Language $language)
+    {
+        // Check if is demo
+        if (env('APP_DEMO')) {
+            return Demo::response_204();
+        }
+
+        LanguageString::whereLangAndKey($language->locale, $request->name)
+            ->update([
+                'key'         => $request->name,
+                'lang'        => $language->locale,
+                'value'       => $request->value
+            ]);
+
+        Cache::forget('language_strings-' . $language->locale);
+
+        return response('Done', 204);
+    }
+
+    /**
+     * Delete the language with all children strings
+     *
+     * @param Language $language
+     * @return ResponseFactory|\Illuminate\Http\Response
+     */
+    public function delete_language(Language $language)
+    {
+        // Check if is demo
+        if (env('APP_DEMO')) {
+            return Demo::response_204();
+        }
+
+        $language->delete();
+
+        return response('Done', 204);
+    }
+}