improved autosync data efficency

.env.template

@@ -19,7 +19,7 @@ POSTGRES_DB=djangodb
 # Users can set a amount of time after which the shopping list is refreshed when they are in viewing mode
 # This is the minimum interval users can set. Setting this to low will allow users to refresh very frequently which
 # might cause high load on the server. (Technically they can obviously refresh as often as they want with their own scripts)
-SHOPPING_MIN_AUTOSYNC_INTERVAL=5000
+SHOPPING_MIN_AUTOSYNC_INTERVAL=5
 
 # Serve mediafiles directly using gunicorn. Basically everyone recommends not doing this. Please use any of the examples
 # provided that include an additional nxginx container to handle media file serving.

.idea/dictionaries/vabene1111_PC.xml

@@ -1,6 +1,7 @@
 <component name="ProjectDictionaryState">
   <dictionary name="vabene1111-PC">
     <words>
+      <w>autosync</w>
       <w>csrftoken</w>
       <w>gunicorn</w>
       <w>ical</w>

cookbook/serializer.py

@@ -213,6 +213,12 @@ class ShoppingListEntrySerializer(WritableNestedModelSerializer):
         read_only_fields = ('id',)
 
 
+class ShoppingListEntryCheckedSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ShoppingListEntry
+        fields = ('id', 'checked')
+
+
 class ShoppingListSerializer(WritableNestedModelSerializer):
     recipes = ShoppingListRecipeSerializer(many=True, allow_null=True)
     entries = ShoppingListEntrySerializer(many=True, allow_null=True)
@@ -223,6 +229,15 @@ class ShoppingListSerializer(WritableNestedModelSerializer):
         read_only_fields = ('id',)
 
 
+class ShoppingListAutoSyncSerializer(WritableNestedModelSerializer):
+    entries = ShoppingListEntryCheckedSerializer(many=True, allow_null=True)
+
+    class Meta:
+        model = ShoppingList
+        fields = ('id', 'entries',)
+        read_only_fields = ('id',)
+
+
 class ShareLinkSerializer(serializers.ModelSerializer):
     class Meta:
         model = ShareLink

cookbook/templates/shopping_list.html

@@ -296,7 +296,7 @@
 
                 {% if request.user.userpreference.shopping_auto_sync > 0 %}
                     setInterval(() => {
-                        this.loadShoppingList()
+                        this.loadShoppingList(true)
                     }, {{ request.user.userpreference.shopping_auto_sync }} * 1000 )
                 {% endif %}
             },
@@ -318,11 +318,22 @@
                         solid: true
                     })
                 },
-                loadShoppingList: function () {
+                loadShoppingList: function (autosync = false) {
+                    this.$http.get("{% url 'api:shoppinglist-detail' shopping_list_id %}" + ((autosync) ? '?autosync=true' : '')).then((response) => {
+                        if (!autosync) {
+                            this.shopping_list = response.body
+                            this.loading = false
+                        } else {
+                            let check_map = {}
+                            for (let e of response.body.entries) {
+                                check_map[e.id] = {checked: e.checked}
+                            }
+
+                            for (let se of this.shopping_list.entries) {
+                                se.checked = check_map[se.id].checked
+                            }
+                        }
 
-                    this.$http.get("{% url 'api:shoppinglist-detail' shopping_list_id %}").then((response) => {
-                        this.shopping_list = response.body
-                        this.loading = false
                     }).catch((err) => {
                         console.log(err)
                         this.makeToast('{% trans 'Error' %}', '{% trans 'There was an error loading a resource!' %}' + err.bodyText, 'danger')

cookbook/views/api.py

@@ -32,7 +32,8 @@ from cookbook.models import Recipe, Sync, Storage, CookLog, MealPlan, MealType,
 from cookbook.provider.dropbox import Dropbox
 from cookbook.provider.nextcloud import Nextcloud
 from cookbook.serializer import MealPlanSerializer, MealTypeSerializer, RecipeSerializer, ViewLogSerializer, UserNameSerializer, UserPreferenceSerializer, RecipeBookSerializer, IngredientSerializer, FoodSerializer, StepSerializer, \
-    KeywordSerializer, RecipeImageSerializer, StorageSerializer, SyncSerializer, SyncLogSerializer, UnitSerializer, ShoppingListSerializer, ShoppingListRecipeSerializer, ShoppingListEntrySerializer
+    KeywordSerializer, RecipeImageSerializer, StorageSerializer, SyncSerializer, SyncLogSerializer, UnitSerializer, ShoppingListSerializer, ShoppingListRecipeSerializer, ShoppingListEntrySerializer, ShoppingListEntryCheckedSerializer, \
+    ShoppingListAutoSyncSerializer
 
 
 class UserNameViewSet(viewsets.ReadOnlyModelViewSet):
@@ -265,6 +266,12 @@ class ShoppingListViewSet(viewsets.ModelViewSet):
         queryset = self.queryset.filter(created_by=self.request.user).all()
         return queryset
 
+    def get_serializer_class(self):
+        autosync = self.request.query_params.get('autosync', None)
+        if autosync:
+            return ShoppingListAutoSyncSerializer
+        return self.serializer_class
+
 
 class ViewLogViewSet(viewsets.ModelViewSet):
     queryset = ViewLog.objects.all()