MealPlan from/to date to datetime, added time to MealType

cookbook/migrations/0218_alter_mealplan_from_date_alter_mealplan_to_date.py

@@ -0,0 +1,46 @@
+# Generated by Django 4.2.11 on 2024-05-01 10:56
+from datetime import timedelta
+
+from django.db import migrations, models
+from django_scopes import scopes_disabled
+
+
+def timezone_correction(apps, schema_editor):
+    # when converting from date to datetime the field becomes timezone aware and defaults to 00:00:00 UTC
+    # this will be converted to a local datetime on the client which, for all negative offset timezones,
+    # would mean that the plan item shows one day prior to the previous planning date
+    # by setting the time on the old entries to 11:00 this issue will be limited to a very small number of people (see https://en.wikipedia.org/wiki/Time_zone#/media/File:World_Time_Zones_Map.svg)
+    # the server timezone could be used to guess zone of most of the clients but that would also not be perfect so this much simpler alternative is chosen
+    with scopes_disabled():
+        MealPlan = apps.get_model('cookbook', 'MealPlan')
+        meal_plans = MealPlan.objects.all()
+        for mp in meal_plans:
+            mp.from_date += timedelta(hours=12)
+            mp.to_date += timedelta(hours=12)
+
+        MealPlan.objects.bulk_update(meal_plans, ['from_date', 'to_date'], batch_size=1000)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('cookbook', '0217_alter_userpreference_default_page'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='mealtype',
+            name='time',
+            field=models.TimeField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='mealplan',
+            name='from_date',
+            field=models.DateTimeField(),
+        ),
+        migrations.AlterField(
+            model_name='mealplan',
+            name='to_date',
+            field=models.DateTimeField(),
+        ),
+        migrations.RunPython(timezone_correction)
+    ]

cookbook/models.py

@@ -417,7 +417,6 @@ class ConnectorConfig(models.Model, PermissionModelMixin):
     objects = ScopedManager(space='space')
 
 
-
 class UserPreference(models.Model, PermissionModelMixin):
     # Themes
     BOOTSTRAP = 'BOOTSTRAP'
@@ -1135,6 +1134,7 @@ class MealType(models.Model, PermissionModelMixin):
     name = models.CharField(max_length=128)
     order = models.IntegerField(default=0)
     color = models.CharField(max_length=7, blank=True, null=True)
+    time = models.TimeField(null=True, blank=True)
     default = models.BooleanField(default=False, blank=True)
     created_by = models.ForeignKey(User, on_delete=models.CASCADE)
 
@@ -1158,8 +1158,8 @@ class MealPlan(ExportModelOperationsMixin('meal_plan'), models.Model, Permission
     shared = models.ManyToManyField(User, blank=True, related_name='plan_share')
     meal_type = models.ForeignKey(MealType, on_delete=models.CASCADE)
     note = models.TextField(blank=True)
-    from_date = models.DateField()
-    to_date = models.DateField()
+    from_date = models.DateTimeField()
+    to_date = models.DateTimeField()
 
     space = models.ForeignKey(Space, on_delete=models.CASCADE)
     objects = ScopedManager(space='space')

cookbook/serializer.py

@@ -355,7 +355,7 @@ class MealTypeSerializer(SpacedModelSerializer, WritableNestedModelSerializer):
     class Meta:
         list_serializer_class = SpaceFilterSerializer
         model = MealType
-        fields = ('id', 'name', 'order', 'color', 'default', 'created_by')
+        fields = ('id', 'name', 'order', 'time', 'color', 'default', 'created_by')
         read_only_fields = ('created_by',)
 
 
@@ -1030,7 +1030,7 @@ class MealPlanSerializer(SpacedModelSerializer, WritableNestedModelSerializer):
     shared = UserSerializer(many=True, required=False, allow_null=True)
     shopping = serializers.SerializerMethodField('in_shopping')
 
-    to_date = serializers.DateField(required=False)
+    to_date = serializers.DateTimeField(required=False)
 
     def get_note_markdown(self, obj):
         return markdown(obj.note)