Implement bookmark import form

bookmarks/styles/index.scss

@@ -22,4 +22,5 @@ $alternative-color-dark: darken($alternative-color, 5%);
 @import "util";
 @import "shared";
 @import "bookmarks";
+@import "settings";
 @import "login";

bookmarks/styles/settings.scss

@@ -0,0 +1,9 @@
+.settings-page {
+  section.content-area {
+    margin-bottom: 2rem;
+  }
+
+  .input-group > input[type=submit] {
+    height: auto;
+  }
+}

bookmarks/templates/settings/index.html

@@ -0,0 +1,47 @@
+{% extends "bookmarks/layout.html" %}
+
+{% block content %}
+    <div class="settings-page">
+
+        {# Import section #}
+        <section class="content-area">
+            <div class="content-area-header">
+                <h2>Import</h2>
+            </div>
+            <p>Import bookmarks and tags in the Netscape HTML format. This will execute a sync where new bookmarks are
+                added and existing ones are updated.</p>
+            <form method="post" enctype="multipart/form-data" action="{% url 'bookmarks:settings_import' %}">
+                {% csrf_token %}
+                <div class="form-group">
+                    <div class="input-group col-8 col-sm-12">
+                        <input class="form-input" type="file" name="import_file">
+                        <input type="submit" class="input-group-btn col-2 btn btn-primary" value="Upload">
+                    </div>
+                    {% if import_message %}
+                        {% if import_message.level == DEFAULT_MESSAGE_LEVELS.SUCCESS %}
+                            <div class="has-success">
+                        {% endif %}
+                    {% if import_message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}
+                        <div class="has-error">
+                    {% endif %}
+                        <p class="form-input-hint">
+                            {{ import_message }}
+                        </p>
+                    </div>
+                    {% endif %}
+                </div>
+            </form>
+        </section>
+
+        {# Export section #}
+        <section class="content-area">
+            <div class="content-area-header">
+                <h2>Export</h2>
+            </div>
+            <p>Export all bookmarks in Netscape HTML format.</p>
+            <a class="btn btn-primary">Download (.html)</a>
+        </section>
+
+    </div>
+
+{% endblock %}

bookmarks/urls.py

@@ -9,10 +9,13 @@ urlpatterns = [
     # Redirect root to bookmarks index
     url(r'^$', RedirectView.as_view(pattern_name='bookmarks:index', permanent=False)),
     # Bookmarks
-    path('bookmarks', views.index, name='index'),
-    path('bookmarks/new', views.new, name='new'),
-    path('bookmarks/<int:bookmark_id>/edit', views.edit, name='edit'),
-    path('bookmarks/<int:bookmark_id>/remove', views.remove, name='remove'),
+    path('bookmarks', views.bookmarks_index, name='index'),
+    path('bookmarks/new', views.bookmarks_new, name='new'),
+    path('bookmarks/<int:bookmark_id>/edit', views.bookmarks_edit, name='edit'),
+    path('bookmarks/<int:bookmark_id>/remove', views.bookmarks_remove, name='remove'),
+    # Settings
+    path('settings', views.settings_index, name='settings_index'),
+    path('settings/import', views.settings_bookmark_import, name='settings_import'),
     # API
-    path('api/website_metadata', views.api.website_metadata, name='api.website_metadata'),
+    path('api/website_metadata', views.api.api_website_metadata, name='api.website_metadata'),
 ]

bookmarks/views/__init__.py

@@ -1,2 +1,3 @@
-from .bookmarks import *
 from .api import *
+from .bookmarks import *
+from .settings import *

bookmarks/views/api.py

@@ -5,7 +5,7 @@ from bookmarks.services.website_loader import load_website_metadata
 
 
 @login_required
-def website_metadata(request):
+def api_website_metadata(request):
     url = request.GET.get('url')
     metadata = load_website_metadata(url)
     return JsonResponse(metadata.to_dict())

bookmarks/views/bookmarks.py

@@ -12,7 +12,7 @@ _default_page_size = 30
 
 
 @login_required
-def index(request):
+def bookmarks_index(request):
     page = request.GET.get('page')
     query_string = request.GET.get('q')
     query_set = queries.query_bookmarks(request.user, query_string)
@@ -34,7 +34,7 @@ def index(request):
 
 
 @login_required
-def new(request):
+def bookmarks_new(request):
     if request.method == 'POST':
         form = BookmarkForm(request.POST)
         if form.is_valid():
@@ -48,7 +48,7 @@ def new(request):
 
 
 @login_required
-def edit(request, bookmark_id: int):
+def bookmarks_edit(request, bookmark_id: int):
     bookmark = Bookmark.objects.get(pk=bookmark_id)
     if request.method == 'POST':
         form = BookmarkForm(request.POST, instance=bookmark)
@@ -63,7 +63,7 @@ def edit(request, bookmark_id: int):
 
 
 @login_required
-def remove(request, bookmark_id: int):
+def bookmarks_remove(request, bookmark_id: int):
     bookmark = Bookmark.objects.get(pk=bookmark_id)
     bookmark.delete()
     return HttpResponseRedirect(reverse('bookmarks:index'))

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