Feature/automated meal planner (#939)

* cleanup oversized buttons

* add get all by category function to reciep repos

* fix shopping-list can_merge logic

* use randomized data for testing

* add random getter to repository for meal-planner

* add stub route for random meals

* cleanup global namespace

* add rules database type

* fix type

* add plan rules schema

* test plan rules methods

* add mealplan rules controller

* add new repository

* update frontend types

* formatting

* fix regression

* update autogenerated types

* add api class for mealplan rules

* add tests and fix bugs

* fix data returns

* proof of concept rules editor

* add tag support

* remove old group categories

* add tag support

* implement random by rules api

* change snack to sides

* remove incorrect typing

* split repo for custom methods

* fix query and use and_ clause

* use repo function

* remove old test

* update changelog

mealie/db/models/group/group.py

@@ -15,8 +15,6 @@ from .cookbook import CookBook
 from .mealplan import GroupMealPlan
 from .preferences import GroupPreferencesModel
 
-settings = get_app_settings()
-
 
 class Group(SqlAlchemyBase, BaseMixins):
     __tablename__ = "groups"
@@ -75,6 +73,8 @@ class Group(SqlAlchemyBase, BaseMixins):
 
     @staticmethod
     def get_ref(session: Session, name: str):
+        settings = get_app_settings()
+
         item = session.query(Group).filter(Group.name == name).one_or_none()
         if item is None:
             item = session.query(Group).filter(Group.name == settings.DEFAULT_GROUP).one()

mealie/db/models/group/mealplan.py

@@ -1,8 +1,28 @@
 from sqlalchemy import Column, Date, ForeignKey, String, orm
 from sqlalchemy.sql.sqltypes import Integer
 
+from mealie.db.models.recipe.tag import Tag, plan_rules_to_tags
+
 from .._model_base import BaseMixins, SqlAlchemyBase
 from .._model_utils import GUID, auto_init
+from ..recipe.category import Category, plan_rules_to_categories
+
+
+class GroupMealPlanRules(BaseMixins, SqlAlchemyBase):
+    __tablename__ = "group_meal_plan_rules"
+
+    id = Column(GUID, primary_key=True, default=GUID.generate)
+    group_id = Column(GUID, ForeignKey("groups.id"), nullable=False)
+
+    day = Column(String, nullable=False, default="unset")  # "MONDAY", "TUESDAY", "WEDNESDAY", etc...
+    entry_type = Column(String, nullable=False, default="")  # "breakfast", "lunch", "dinner", "side"
+
+    categories = orm.relationship(Category, secondary=plan_rules_to_categories, uselist=True)
+    tags = orm.relationship(Tag, secondary=plan_rules_to_tags, uselist=True)
+
+    @auto_init()
+    def __init__(self, **_) -> None:
+        pass
 
 
 class GroupMealPlan(SqlAlchemyBase, BaseMixins):

mealie/db/models/recipe/category.py

@@ -18,6 +18,13 @@ group2categories = sa.Table(
     sa.Column("category_id", sa.Integer, sa.ForeignKey("categories.id")),
 )
 
+plan_rules_to_categories = sa.Table(
+    "plan_rules_to_categories",
+    SqlAlchemyBase.metadata,
+    sa.Column("group_plan_rule_id", GUID, sa.ForeignKey("group_meal_plan_rules.id")),
+    sa.Column("category_id", sa.Integer, sa.ForeignKey("categories.id")),
+)
+
 recipes2categories = sa.Table(
     "recipes2categories",
     SqlAlchemyBase.metadata,

mealie/db/models/recipe/recipe.py

@@ -72,7 +72,7 @@ class RecipeModel(SqlAlchemyBase, BaseMixins):
 
     assets = orm.relationship("RecipeAsset", cascade="all, delete-orphan")
     nutrition: Nutrition = orm.relationship("Nutrition", uselist=False, cascade="all, delete-orphan")
-    recipe_category: list = orm.relationship("Category", secondary=recipes2categories, back_populates="recipes")
+    recipe_category = orm.relationship("Category", secondary=recipes2categories, back_populates="recipes")
     tools = orm.relationship("Tool", secondary=recipes_to_tools, back_populates="recipes")
 
     recipe_ingredient: list[RecipeIngredient] = orm.relationship(

mealie/db/models/recipe/tag.py

@@ -5,6 +5,7 @@ from sqlalchemy.orm import validates
 
 from mealie.core import root_logger
 from mealie.db.models._model_base import BaseMixins, SqlAlchemyBase
+from mealie.db.models._model_utils import guid
 
 logger = root_logger.get_logger()
 
@@ -15,6 +16,13 @@ recipes2tags = sa.Table(
     sa.Column("tag_id", sa.Integer, sa.ForeignKey("tags.id")),
 )
 
+plan_rules_to_tags = sa.Table(
+    "plan_rules_to_tags",
+    SqlAlchemyBase.metadata,
+    sa.Column("plan_rule_id", guid.GUID, sa.ForeignKey("group_meal_plan_rules.id")),
+    sa.Column("tag_id", sa.Integer, sa.ForeignKey("tags.id")),
+)
+
 
 class Tag(SqlAlchemyBase, BaseMixins):
     __tablename__ = "tags"
@@ -42,8 +50,7 @@ class Tag(SqlAlchemyBase, BaseMixins):
 
         slug = slugify(match_value)
 
-        result = session.query(Tag).filter(Tag.slug == slug).one_or_none()
-        if result:
+        if result := session.query(Tag).filter(Tag.slug == slug).one_or_none():
             logger.debug("Category exists, associating recipe")
             return result
         else: