Added Apple web-app meta tag #358 (#359)

* Added Apple web-app meta tag #358

* Added manifest file for web app

* Changed manifest to use template #358

* Small tweaks, add tests

---------

Co-authored-by: Sascha Ißbrücker <sascha.issbruecker@gmail.com>

bookmarks/templates/bookmarks/layout.html

@@ -8,6 +8,8 @@
   <meta charset="UTF-8">
   <link rel="icon" href="{% static 'favicon.png' %}"/>
   <link rel="apple-touch-icon" href="{% static 'apple-touch-icon.png' %}">
+  <link rel="manifest" href="{% url 'bookmarks:manifest' %}">
+  <meta name="apple-mobile-web-app-capable" content="yes">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, minimal-ui">
   <meta name="description" content="Self-hosted bookmark service">
   <meta name="robots" content="index,follow">

bookmarks/tests/test_metadata_view.py

@@ -0,0 +1,33 @@
+from django.test import TestCase, override_settings
+
+
+class MetadataViewTestCase(TestCase):
+
+    def test_default_manifest(self):
+        response = self.client.get("/manifest.json")
+
+        self.assertEqual(response.status_code, 200)
+
+        response_body = response.json()
+        expected_body = {
+            "short_name": "linkding",
+            "start_url": "bookmarks",
+            "display": "standalone",
+            "scope": "/"
+        }
+        self.assertDictEqual(response_body, expected_body)
+
+    @override_settings(LD_CONTEXT_PATH="linkding/")
+    def test_manifest_respects_context_path(self):
+        response = self.client.get("/manifest.json")
+
+        self.assertEqual(response.status_code, 200)
+
+        response_body = response.json()
+        expected_body = {
+            "short_name": "linkding",
+            "start_url": "bookmarks",
+            "display": "standalone",
+            "scope": "/linkding/"
+        }
+        self.assertDictEqual(response_body, expected_body)

bookmarks/urls.py

@@ -32,5 +32,7 @@
     path('feeds/<str:feed_key>/all', AllBookmarksFeed(), name='feeds.all'),
     path('feeds/<str:feed_key>/unread', UnreadBookmarksFeed(), name='feeds.unread'),
     # Health check
-    path('health', views.health, name='health')
+    path('health', views.health, name='health'),
+    # Manifest
+    path("manifest.json", views.manifest, name='manifest')
 ]

bookmarks/views/__init__.py

@@ -2,3 +2,4 @@
 from .settings import *
 from .toasts import *
 from .health import health
+from .manifest import manifest

bookmarks/views/manifest.py

@@ -0,0 +1,13 @@
+from django.http import JsonResponse
+from django.conf import settings
+
+
+def manifest(request):
+    response = {
+        "short_name": "linkding",
+        "start_url": "bookmarks",
+        "display": "standalone",
+        "scope": "/" + settings.LD_CONTEXT_PATH
+    }
+
+    return JsonResponse(response, status=200)