Delete event

app.py

@@ -662,6 +662,9 @@ def can_create_event():
 def can_update_event(event):
     return can_create_event()
 
+def can_delete_event(event):
+    return can_update_event(event)
+
 def can_create_place():
     return can_create_event()
 
@@ -1288,7 +1291,7 @@ def api_events():
     result['event'] = structured_events
     return jsonify(result)
 
-from forms.event import CreateEventForm, UpdateEventForm
+from forms.event import CreateEventForm, UpdateEventForm, DeleteEventForm
 from forms.event_suggestion import CreateEventSuggestionForm
 from forms.place import CreatePlaceForm, UpdatePlaceForm
 from forms.organization import CreateOrganizationForm, UpdateOrganizationForm
@@ -1364,6 +1367,33 @@ def event_update(event_id):
         form=form,
         event=event)
 
+@app.route('/event/<int:event_id>/delete', methods=('GET', 'POST'))
+def event_delete(event_id):
+    event = Event.query.get_or_404(event_id)
+
+    if not can_delete_event(event):
+        abort(401)
+
+    form = DeleteEventForm()
+
+    if form.validate_on_submit():
+        if form.name.data != event.name:
+            flash(gettext('Entered name does not match event name'), 'danger')
+        else:
+            try:
+                db.session.delete(event)
+                db.session.commit()
+                flash(gettext('Event successfully deleted'), 'success')
+                return redirect(url_for('events'))
+            except SQLAlchemyError as e:
+                flash(handleSqlError(e), 'danger')
+    else:
+        flash_errors(form)
+
+    return render_template('event/delete.html',
+        form=form,
+        event=event)
+
 @app.route("/events/rrule", methods=['POST'])
 def event_rrule():
     year = request.json['year']

forms/event.py

@@ -99,4 +99,8 @@ class CreateEventForm(FlaskForm):
         return True
 
 class UpdateEventForm(CreateEventForm):
-    submit = SubmitField(lazy_gettext("Update event"))
+    submit = SubmitField(lazy_gettext("Update event"))
+
+class DeleteEventForm(FlaskForm):
+    submit = SubmitField(lazy_gettext("Delete event"))
+    name = StringField(lazy_gettext('Name'), validators=[DataRequired()])

templates/event/delete.html

@@ -0,0 +1,24 @@
+{% extends "layout.html" %}
+{% from "_macros.html" import render_datepicker_js, render_field_with_errors, render_field %}
+
+{% block content %}
+
+<h1>{{ _('Delete event') }} &quot;{{ event.name }}&quot;</h1>
+
+<form action="{{ url_for('event_delete', event_id=event.id) }}" method="POST">
+  {{ form.hidden_tag() }}
+
+  <div class="card mb-4">
+    <div class="card-header">
+      {{ _('Event') }}
+    </div>
+    <div class="card-body">
+      {{ render_field_with_errors(form.name) }}
+    </div>
+  </div>
+
+  {{ render_field(form.submit) }}
+
+</form>
+
+{% endblock %}

templates/event/read.html

@@ -29,6 +29,7 @@
     {% if can_update_event %}
     <div class="my-4">
         <a class="btn btn-primary my-1" href="{{ url_for('event_update', event_id=event.id) }}" role="button"><i class="fa fa-edit"></i> {{ _('Update event') }}</a>
+        <a class="btn btn-danger my-1" href="{{ url_for('event_delete', event_id=event.id) }}" role="button"><i class="fa fa-trash"></i> {{ _('Delete event') }}...</a>
     </div>
     {% endif %}