Refactor/define repository layer (#883)

* move data access layer

* rename dal -> repo

mealie/repos/repository_meals.py

@@ -0,0 +1,25 @@
+from datetime import date
+from uuid import UUID
+
+from mealie.db.models.group import GroupMealPlan
+from mealie.schema.meal_plan.new_meal import ReadPlanEntry
+
+from .repository_generic import RepositoryGeneric
+
+
+class RepositoryMeals(RepositoryGeneric[ReadPlanEntry, GroupMealPlan]):
+    def get_slice(self, start: date, end: date, group_id: UUID) -> list[ReadPlanEntry]:
+        start = start.strftime("%Y-%m-%d")
+        end = end.strftime("%Y-%m-%d")
+        qry = self.session.query(GroupMealPlan).filter(
+            GroupMealPlan.date.between(start, end),
+            GroupMealPlan.group_id == group_id,
+        )
+
+        return [self.schema.from_orm(x) for x in qry.all()]
+
+    def get_today(self, group_id: UUID) -> list[ReadPlanEntry]:
+        today = date.today()
+        qry = self.session.query(GroupMealPlan).filter(GroupMealPlan.date == today, GroupMealPlan.group_id == group_id)
+
+        return [self.schema.from_orm(x) for x in qry.all()]