Implement bookmark import form

bookmarks/views/settings.py

@@ -0,0 +1,35 @@
+from django.contrib import messages
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseRedirect
+from django.shortcuts import render
+from django.urls import reverse
+
+from services.importer import import_netscape_html
+
+
+@login_required
+def settings_index(request):
+    import_message = _find_message_with_tag(messages.get_messages(request), 'bookmark_import')
+    return render(request, 'settings/index.html', {
+        'import_message': import_message
+    })
+
+
+@login_required
+def settings_bookmark_import(request):
+    try:
+        import_file = request.FILES.get('import_file')
+        content = import_file.read()
+        import_netscape_html(content, request.user)
+        messages.success(request, 'Bookmarks were successfully imported.', 'bookmark_import')
+    except():
+        messages.error(request, 'An error occurred during bookmark import.', 'bookmark_import')
+        pass
+
+    return HttpResponseRedirect(reverse('bookmarks:settings_index'))
+
+
+def _find_message_with_tag(messages, tag):
+    for message in messages:
+        if message.extra_tags == tag:
+            return message