Fix API and Update maptunik to be able to receive incoming independen…

…t style (#15)

* Add upload API

* Fix pagination

* Fix order

* Update maptunik to be able to receive incoming style

django_project/cloud_native_gis/api/base.py

@@ -11,6 +11,8 @@
 from rest_framework.response import Response
 from rest_framework.viewsets import mixins, GenericViewSet
 
+from cloud_native_gis.pagination import Pagination
+
 
 class BaseReadApi(
     mixins.ListModelMixin,
@@ -21,6 +23,7 @@ class BaseReadApi(
 
     form_class = None
     lookup_field = 'id'
+    pagination_class = Pagination
 
     def filter_query(self, request, query, ignores: list, fields: list = None):
         """Return filter query."""

django_project/cloud_native_gis/api/layer.py

@@ -3,6 +3,8 @@
 
 import copy
 
+from django.core.exceptions import PermissionDenied
+from django.core.files.storage import FileSystemStorage
 from django.http import Http404
 from rest_framework.generics import get_object_or_404
 from rest_framework.response import Response
@@ -11,8 +13,10 @@
 from cloud_native_gis.forms.layer import LayerForm
 from cloud_native_gis.forms.style import StyleForm
 from cloud_native_gis.models.layer import Layer
+from cloud_native_gis.models.layer_upload import LayerUpload
 from cloud_native_gis.models.style import Style
 from cloud_native_gis.serializer.layer import LayerSerializer
+from cloud_native_gis.serializer.layer_upload import LayerUploadSerializer
 from cloud_native_gis.serializer.style import LayerStyleSerializer
 from cloud_native_gis.utils.layer import layer_style_url, maputnik_url
 
@@ -34,11 +38,8 @@ def get_serializer_context(self):
         }
 
 
-class LayerStyleViewSet(BaseReadApi):
-    """API layer style."""
-
-    form_class = StyleForm
-    serializer_class = LayerStyleSerializer
+class LayerObjectViewSet(BaseReadApi):
+    """Abstract base class for layer objects."""
 
     def _get_layer(self) -> Layer:  # noqa: D102
         layer_id = self.kwargs.get('layer_id')
@@ -62,11 +63,17 @@ def get_serializer(self, *args, **kwargs):
         kwargs.setdefault('context', self.get_serializer_context())
         return serializer_class(*args, **kwargs)
 
+
+class LayerStyleViewSet(LayerObjectViewSet):
+    """API layer style."""
+
+    form_class = StyleForm
+    serializer_class = LayerStyleSerializer
+
     def get_queryset(self):
         """Return queryset of API."""
         layer = self._get_layer()
-        ids = layer.styles.values_list('id', flat=True)
-        return Style.objects.filter(id__in=ids)
+        return layer.styles.all()
 
     def list(self, request, *args, **kwargs):
         """Return just default style."""
@@ -132,3 +139,33 @@ def update(self, request, *args, **kwargs):
             f'{maputnik_url()}?styleUrl='
             f'{layer_style_url(layer, style, self.request)}'
         )
+
+
+class LayerUploadViewSet(LayerObjectViewSet):
+    """API layer upload style."""
+
+    serializer_class = LayerUploadSerializer
+
+    def get_queryset(self):
+        """Return queryset of API."""
+        layer = self._get_layer()
+        return layer.layerupload_set.all().order_by('-pk')
+
+    def post(self, request, layer_id):
+        """Post file."""
+        layer = get_object_or_404(Layer, id=layer_id)
+        if layer.created_by != self.request.user:
+            raise PermissionDenied
+
+        instance = LayerUpload(
+            created_by=request.user, layer=layer
+        )
+        instance.emptying_folder()
+
+        # Save files
+        file = request.FILES['file']
+        FileSystemStorage(
+            location=instance.folder
+        ).save(file.name, file)
+        instance.save()
+        return Response('Uploaded')

django_project/cloud_native_gis/pagination.py

@@ -0,0 +1,27 @@
+# coding=utf-8
+"""Cloud Native GIS."""
+
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+
+
+class Pagination(PageNumberPagination):
+    """Pagination for API."""
+
+    page_size_query_param = 'page_size'
+
+    def get_paginated_response_data(self, data):
+        """Return paginated only data."""
+        return {
+            'next': self.get_next_link(),
+            'previous': self.get_previous_link(),
+            'count': self.page.paginator.count,
+            'page': self.page.number,
+            'total_page': self.page.paginator.num_pages,
+            'page_size': self.page.paginator.per_page,
+            'results': data,
+        }
+
+    def get_paginated_response(self, data):
+        """Response for pagination."""
+        return Response(self.get_paginated_response_data(data))

django_project/cloud_native_gis/serializer/layer_upload.py

@@ -0,0 +1,27 @@
+# coding=utf-8
+"""
+GeoSight is UNICEF's geospatial web-based business intelligence platform.
+
+Contact : geosight-no-reply@unicef.org
+
+.. note:: This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+"""
+__author__ = 'irwan@kartoza.com'
+__date__ = '23/07/2024'
+__copyright__ = ('Copyright 2023, Unicef')
+
+from rest_framework import serializers
+
+from cloud_native_gis.models.layer_upload import LayerUpload
+
+
+class LayerUploadSerializer(serializers.ModelSerializer):
+    """Serializer for LayerUpload."""
+
+    class Meta:  # noqa: D106
+        model = LayerUpload
+        exclude = ()

django_project/cloud_native_gis/templates/cloud_native_gis/maputnik.html

@@ -38,7 +38,13 @@
     }
 
   </style>
-  <script type="module" crossorigin src="{% static "cloud_native_gis/index-DRZ64yjZ.js" %}"></script>
+  <script>
+    let inputStyle = window.inputStyle;
+    if (inputStyle){
+      inputStyle = JSON.parse(inputStyle)
+    }
+  </script>
+  <script type="module" crossorigin src="{% static "cloud_native_gis/index-CHkHdgsP.js" %}"></script>
   <link rel="stylesheet" crossorigin href="{% static "cloud_native_gis/index-DW0d2Ij5.css" %}">
 
               <script>

django_project/cloud_native_gis/urls.py

@@ -11,9 +11,9 @@
 from drf_yasg import openapi
 
 from cloud_native_gis.api.layer import (
-    LayerViewSet, LayerStyleViewSet
+    LayerViewSet, LayerStyleViewSet, LayerUploadViewSet
 )
-from cloud_native_gis.api.vector_tile import (VectorTileLayer)
+from cloud_native_gis.api.vector_tile import VectorTileLayer
 
 schema_view = get_schema_view(
     openapi.Info(
@@ -40,6 +40,10 @@
     'style', LayerStyleViewSet,
     basename='cloud-native-gis-style'
 )
+layer_router.register(
+    'layer-upload', LayerUploadViewSet,
+    basename='cloud-native-gis-layer-upload'
+)
 
 urlpatterns = [
     path(