Feature flags (#543)

* Re-organize a bit controllers

* Added the featureflagcontroller

* Implement feature flags in the front-end

* Clean env files

* Clean console.log messages

* Fix feature flag test

api/app/Http/Controllers/Content/FeatureFlagsController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers\Content;
+
+use App\Http\Controllers\Controller;
+
+class FeatureFlagsController extends Controller
+{
+    public function index()
+    {
+        $featureFlags = \Cache::remember('feature_flags', 3600, function () {
+            return [
+                'self_hosted' => config('app.self_hosted', true),
+                'custom_domains' => config('custom_domains.enabled', false),
+                'ai_features' => !empty(config('services.openai.api_key')),
+
+                'billing' => [
+                    'enabled' => !empty(config('cashier.key')) && !empty(config('cashier.secret')),
+                    'appsumo' => !empty(config('services.appsumo.api_key')) && !empty(config('services.appsumo.api_secret')),
+                ],
+                'storage' => [
+                    'local' => config('filesystems.default') === 'local',
+                    's3' => config('filesystems.default') !== 'local',
+                ],
+                'services' => [
+                    'unsplash' => !empty(config('services.unsplash.access_key')),
+                    'google' => [
+                        'fonts' => !empty(config('services.google.fonts_api_key')),
+                        'auth' => !empty(config('services.google.client_id')) && !empty(config('services.google.client_secret')),
+                    ],
+                ],
+                'integrations' => [
+                    'zapier' => config('services.zapier.enabled'),
+                    'google_sheets' => !empty(config('services.google.client_id')) && !empty(config('services.google.client_secret')),
+                ],
+            ];
+        });
+
+        return response()->json($featureFlags);
+    }
+}

api/app/Http/Controllers/Content/FontsController.php

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+<?php
+
+namespace App\Http\Controllers\Content;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Http;
+use App\Http\Controllers\Controller;
+
+class FontsController extends Controller
+{
+    public function index(Request $request)
+    {
+        if (!config('services.google.fonts_api_key')) {
+            return response()->json([]);
+        }
+
+        return \Cache::remember('google_fonts', 60 * 60, function () {
+            $url = "https://www.googleapis.com/webfonts/v1/webfonts?sort=popularity&key=" . config('services.google.fonts_api_key');
+            $response = Http::get($url);
+            if ($response->successful()) {
+                $fonts = collect($response->json()['items'])->filter(function ($font) {
+                    return !in_array($font['category'], ['monospace']);
+                })->map(function ($font) {
+                    return $font['family'];
+                })->toArray();
+                return response()->json($fonts);
+            }
+
+            return [];
+        });
+    }
+}

api/app/Http/Controllers/Content/SitemapController.php

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+<?php
+
+namespace App\Http\Controllers\Content;
+
+use App\Models\Template;
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+
+class SitemapController extends Controller
+{
+    public function index(Request $request)
+    {
+        return [
+            ...$this->getTemplatesUrls(),
+        ];
+    }
+
+    private function getTemplatesUrls()
+    {
+        $urls = [];
+        Template::where('publicly_listed', true)->chunk(100, function ($templates) use (&$urls) {
+            foreach ($templates as $template) {
+                $urls[] = [
+                    'loc' => '/templates/' . $template->slug,
+                ];
+            }
+        });
+
+        return $urls;
+    }
+}