Add caching to equipment instance viewset

docker-compose.yml

@@ -29,7 +29,8 @@ services:
       - "11211:11211"
     entrypoint:
       - memcached
-      - -m 64
+      - -m 128
+      - -I 10m
 
   postgres:
     image: postgres

equipment_tracker/equipments/models.py

@@ -49,7 +49,8 @@ class EquipmentInstance(models.Model):
         return f'{self.equipment.name}'
 
     def save(self, *args, **kwargs):
-        cache.delete('equipments')
+        cache.delete('available_equipment_instances')
+        cache.delete('equipment_instances')
         return super().save(*args, **kwargs)
 
 

equipment_tracker/equipments/views.py

@@ -67,6 +67,14 @@ class EquipmentInstanceViewSet(viewsets.ModelViewSet):
     serializer_class = serializers.EquipmentInstanceSerializer
     queryset = EquipmentInstance.objects.all().order_by('id')
 
+    def get_queryset(self):
+        key = 'equipment_instances'
+        queryset = cache.get(key)
+        if not queryset:
+            queryset = super().get_queryset()
+            cache.set(key, queryset, timeout=60*60*24)
+        return queryset
+
 
 class AvailableEquipmentInstanceViewSet(generics.ListAPIView):
     if (not DEBUG):
@@ -97,7 +105,7 @@ class AvailableEquipmentInstanceViewSet(generics.ListAPIView):
             queryset = EquipmentInstance.objects.exclude(
                 id__in=non_finalized_equipments.values_list('id', flat=True)
             )
-            cache.set(key, list(queryset), timeout=60*60*24)
+            cache.set(key, queryset, timeout=60*60*24)
 
         return queryset.prefetch_related('equipment')
 

equipment_tracker/schema.yml

@@ -1301,9 +1301,6 @@ components:
           type: string
           format: date-time
           readOnly: true
-        last_updated_by:
-          type: string
-          readOnly: true
         date_added:
           type: string
           format: date-time
@@ -1315,7 +1312,6 @@ components:
       - equipment_name
       - id
       - last_updated
-      - last_updated_by
       - status
     EquipmentInstanceLog:
       type: object
@@ -1560,9 +1556,6 @@ components:
           type: string
           format: date-time
           readOnly: true
-        last_updated_by:
-          type: string
-          readOnly: true
         date_added:
           type: string
           format: date-time