direct editing

src/c3nav/editor/models/changeset.py

@@ -9,7 +9,7 @@ from django.apps import apps
 from django.conf import settings
 from django.core.cache import cache
 from django.core.exceptions import FieldDoesNotExist
-from django.db import models, transaction
+from django.db import connection, models, transaction
 from django.db.models import Q
 from django.urls import reverse
 from django.utils.http import int_to_base36
@@ -69,6 +69,8 @@ class ChangeSet(models.Model):
         self._request = None
         self._original_state = self.state
 
+        self.direct_editing = False
+
     """
     Get Changesets for Request/Session/User
     """
@@ -111,6 +113,8 @@ class ChangeSet(models.Model):
 
         changeset = ChangeSet()
         changeset._request = request
+        if request.session.get('direct_editing', False) and ChangeSet.can_direct_edit(request):
+            changeset.direct_editing = True
 
         if request.user.is_authenticated:
             changeset.author = request.user
@@ -124,10 +128,15 @@ class ChangeSet(models.Model):
         if isinstance(model, str):
             model = apps.get_model('mapdata', model)
         assert isinstance(model, type) and issubclass(model, models.Model)
+        if self.direct_editing:
+            model.EditorForm = ModelWrapper(self, model).EditorForm
+            return model
         return ModelWrapper(self, model)
 
     def wrap_instance(self, instance):
         assert isinstance(instance, models.Model)
+        if self.direct_editing:
+            return instance
         return self.wrap_model(instance.__class__).create_wrapped_model_class()(self, instance)
 
     def relevant_changed_objects(self) -> typing.Iterable[ChangedObject]:
@@ -399,17 +408,24 @@ class ChangeSet(models.Model):
     @contextmanager
     def lock_to_edit(self, request=None):
         with transaction.atomic():
+            user = request.user if request is not None and request.user.is_authenticated else None
             if self.pk is not None:
                 changeset = ChangeSet.objects.select_for_update().get(pk=self.pk)
 
                 self._object_changed = False
                 yield changeset
-                user = request.user if request is not None and request.user.is_authenticated else None
                 if self._object_changed:
                     update = changeset.updates.create(user=user, objects_changed=True)
                     changeset.last_update = update
                     changeset.last_change = update
                     changeset.save()
+            elif self.direct_editing:
+                with MapUpdate.lock():
+                    queries_before = len(connection.queries)
+                    yield self
+                    if any((q['sql'].startswith('UPDATE') or q['sql'].startswith('INSERT') or
+                            q['sql'].startswith('DELETE')) for q in connection.queries[queries_before:]):
+                        MapUpdate.objects.create(user=user, type='direct_edit')
             else:
                 yield self
 
@@ -433,6 +449,11 @@ class ChangeSet(models.Model):
         # todo implement permissions
         return self.is_author(request)
 
+    @classmethod
+    def can_direct_edit(self, request):
+        # todo implement permissions
+        return request.user.is_authenticated
+
     def can_start_review(self, request):
         return self.can_review(request) and self.state in ('proposed', 'reproposed')
 
@@ -609,6 +630,8 @@ class ChangeSet(models.Model):
         Get “%d changed objects” display text.
         """
         if self.pk is None:
+            if self.direct_editing:
+                return _('Direct editing active')
             return _('No objects changed')
         return (ungettext_lazy('%(num)d object changed', '%(num)d objects changed', 'num') %
                 {'num': self.changed_objects_count})

src/c3nav/editor/templates/editor/fragment_nav.html

@@ -1,7 +1,13 @@
 {% load i18n %}
 
 <ul class="nav navbar-nav navbar-right">
-    <li><a href="{{ request.changeset.get_absolute_url }}">{{ request.changeset.count_display }}</a></li>
+    <li><a href="{{ request.changeset.get_absolute_url }}">
+        {% if request.changeset.direct_editing %}
+            <span class="text-warning">{{ request.changeset.count_display }}</span>
+        {% else %}
+            {{ request.changeset.count_display }}
+        {% endif %}
+    </a></li>
     {% if request.user.is_authenticated %}
         <li class="logged_in_user">
             <a href="{% url 'editor.users.detail' pk=request.user.pk %}">{{ request.user.username }}</a>

src/c3nav/editor/templates/editor/user.html

@@ -23,9 +23,26 @@
                 <button type="submit" class="btn btn-xs btn-default" name="deactivate_changeset" value="1">{% trans 'Deactivate change set' %}</button>
             </form>
         {% endwith %}
+    {% elif request.changeset.direct_editing %}
+        <p>
+            {% trans 'Direct editing is activated.' %}<br>
+            {% trans 'Everything you do will be applied immediately.' %}
+        </p>
+        <form method="post" action="{{ request.path }}">
+            {% csrf_token %}
+            <button type="submit" class="btn btn-xs btn-warning" name="direct_editing" value="0">{% trans 'Deactivate direct editing' %}</button>
+        </form>
     {% else %}
+        <p>
             {% trans 'You have currently no active change set.' %}<br>
             {% trans 'Just edit something to create one.' %}
+        </p>
+        {% if can_direct_edit %}
+            <form method="post" action="{{ request.path }}">
+                {% csrf_token %}
+                <button type="submit" class="btn btn-xs btn-warning" name="direct_editing" value="1">{% trans 'Activate direct editing' %}</button>
+            </form>
+        {% endif %}
     {% endif %}
 {% endif %}
 

src/c3nav/editor/views/users.py

@@ -14,13 +14,25 @@ def user_detail(request, pk):
         user = get_object_or_404(User, pk=pk)
 
     if request.method == 'POST':
-        if request.POST.get('deactivate_changeset') == '1' and request.user == user and 'changeset' in request.session:
+        if request.user == user and 'changeset' in request.session:
+            if request.POST.get('deactivate_changeset') == '1':
                 request.session.pop('changeset', None)
                 messages.success(request, _('You deactivated your current changeset.'))
                 return redirect(request.path)
 
+            if request.changeset.pk is None and ChangeSet.can_direct_edit(request):
+                if request.POST.get('direct_editing') == '1':
+                    request.session['direct_editing'] = True
+                    messages.success(request, _('You activated direct editing.'))
+                    return redirect(request.path)
+                elif request.POST.get('direct_editing') == '0':
+                    request.session.pop('direct_editing', None)
+                    messages.success(request, _('You deactivated direct editing.'))
+                    return redirect(request.path)
+
     ctx = {
         'user': user,
+        'can_direct_edit': ChangeSet.can_direct_edit(request),
         'recent_changesets': ChangeSet.objects.filter(author=user).order_by('-last_update')[:10],
     }