Added endpoint to persist and return layer styles

mapstory/mapstories/migrations/0006_auto_20181018_1233.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapstories', '0005_auto_20180928_1218'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LayerStyle',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('style_id', models.TextField()),
+                ('style', models.TextField()),
+                ('map_story', models.ForeignKey(to='mapstories.MapStory')),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name='layerstyle',
+            unique_together=set([('style_id', 'map_story')]),
+        ),
+    ]

mapstory/mapstories/models.py

@@ -358,3 +358,12 @@ class Meta:
 signals.post_init.connect(default_is_published, sender=MapStory)
 signals.post_init.connect(default_is_published, sender=Map)
 db.models.signals.post_save.connect(mapstory_map_post_save, sender=Map)
+
+
+class LayerStyle(models.Model):
+    class Meta:
+        unique_together = (("style_id", "map_story"),)
+
+    style_id = models.TextField()
+    map_story = models.ForeignKey(MapStory, on_delete=models.CASCADE)
+    style = models.TextField()

mapstory/mapstories/urls.py

@@ -3,7 +3,7 @@
 from geonode.maps.views import new_map
 
 from .views import (composer_new_view, delete_mapstory, map_detail,
-                    mapstory_view, save_mapstory, story_generate_thumbnail)
+                    mapstory_view, save_mapstory, story_generate_thumbnail, style_view)
 
 urlpatterns = [
     url(r'^mapstories/save$', save_mapstory, name='save_mapstory'),
@@ -20,6 +20,11 @@
     url(r'^story/(?P<slug>[-\w]+)/embed$',
         mapstory_view, name='mapstory_view'),
 
+    # Style
+    url(r'^style/(?P<story_id>[^/]+)/(?P<style_id>[^/]+)$',
+        style_view, name='style_view'),
+
+
     # Composer
     url(r'^story/(?P<slug>[-\w]+)/draft$',
         composer_new_view, {'template': 'composer_new/composer.html'}, name='composer-view'),

mapstory/mapstories/views.py

@@ -5,7 +5,7 @@
 from django.core.urlresolvers import reverse
 from django.db import transaction
 from django.db.models import F
-from django.http import HttpResponse, HttpResponseRedirect
+from django.http import HttpResponse, HttpResponseRedirect, HttpResponseNotFound
 from django.shortcuts import render, render_to_response
 from django.template import RequestContext
 from django.views.decorators.clickjacking import xframe_options_exempt
@@ -31,7 +31,7 @@
 from mapstory.search.utils import update_es_index
 from mapstory.thumbnails.tasks import create_mapstory_thumbnail_tx_aware
 
-from .models import Map, MapStory, StoryFrame, StoryPin
+from .models import Map, MapStory, StoryFrame, StoryPin, LayerStyle
 from .utils import datetime_to_seconds, parse_date_time
 
 
@@ -378,3 +378,23 @@ def map_detail(request, slug, snapshot=None, template='maps/map_detail.html'):
             request.user, map_obj)
 
     return render(request, template, context=context_dict)
+
+
+def style_view(request, story_id, style_id):
+    map_story = MapStory.objects.get(pk=story_id)
+    if request.method == 'GET':
+        layer_style = LayerStyle.objects.filter(map_story=map_story, style_id=style_id)
+        if layer_style.exists():
+            return HttpResponse(layer_style[0].style)
+
+        return HttpResponseNotFound()
+
+    layer_style = LayerStyle.objects.filter(map_story=map_story, style_id=style_id)
+    if not layer_style.exists():
+        LayerStyle(style_id=style_id, map_story=map_story, style=request.body).save()
+        return HttpResponse(json.dumps({'success': True}))
+
+    layer_style = layer_style[0]
+    layer_style.style = request.body
+    layer_style.save()
+    return HttpResponse(json.dumps({'success': True}))