make inventories recursive

src/ttfrog/db/schema/inventory.py

@@ -19,14 +19,16 @@ inventory_type_map = {
         ItemType.SHIELD,
         ItemType.ITEM,
         ItemType.SCROLL,
+        ItemType.CONTAINER,
     ],
     InventoryType.SPELL: [ItemType.SPELL],
 }
 
 
 def inventory_map_creator(fields):
-    if isinstance(fields, InventoryMap):
-        return fields
+    # if isinstance(fields, InventoryMap):
+    #     return fields
+    # return InventoryMap(**fields)
     return InventoryMap(**fields)
 
 
@@ -36,7 +38,7 @@ class Inventory(BaseObject):
     id: Mapped[int] = mapped_column(init=False, primary_key=True, autoincrement=True)
     inventory_type: Mapped[InventoryType] = mapped_column(nullable=False)
 
-    items: Mapped[List["InventoryMap"]] = relationship(
+    item_map: Mapped[List["InventoryMap"]] = relationship(
         uselist=True, cascade="all,delete,delete-orphan", lazy="immediate", default_factory=lambda: []
     )
 
@@ -46,11 +48,33 @@ class Inventory(BaseObject):
     character = relationship("Character", init=False, viewonly=True, lazy="immediate")
     container = relationship("Item", init=False, viewonly=True, lazy="immediate")
 
+    @property
+    def items(self):
+        return [mapping.item for mapping in self.item_map]
+
+    @property
+    def all_items(self):
+        def inventory_contents(inventory):
+            for mapping in inventory.item_map:
+                yield mapping
+                if mapping.item.item_type == ItemType.CONTAINER:
+                    yield from inventory_contents(mapping.item.inventory)
+        yield from inventory_contents(self)
+
+    @property
+    def all_item_maps(self):
+        def inventory_map(inventory):
+            for mapping in inventory.item_map:
+                yield mapping
+                if mapping.item.item_type == ItemType.CONTAINER:
+                    yield from inventory_map(mapping.item.inventory)
+        yield from inventory_map(self)
+
     def get(self, item):
         return self.get_all(item)[0]
 
     def get_all(self, item):
-        return [mapping for mapping in self.items if mapping.item == item]
+        return [mapping for mapping in self.all_item_maps if mapping.item == item]
 
     def add(self, item):
         if item.item_type not in inventory_type_map[self.inventory_type]:
@@ -60,23 +84,23 @@ class Inventory(BaseObject):
             mapping.count = item.count
         if item.charges:
             mapping.charges = [Charge(inventory_map_id=mapping.id) for i in range(item.charges)]
-        self.items.append(mapping)
+        self.item_map.append(mapping)
         return mapping
 
     def remove(self, mapping):
-        if mapping not in self.items:
-            return False
-        self.items.remove(mapping)
-        return True
+        if mapping in self.item_map:
+            self.item_map.remove(mapping)
+            return True
+        return False
 
     def __contains__(self, obj):
-        for mapping in self.items:
-            if mapping.item == obj:
+        for item in self.all_items:
+            if item == obj:
                 return True
         return False
 
     def __iter__(self):
-        yield from self.items
+        yield from self.all_items
 
 
 class InventoryMap(BaseObject):
@@ -138,7 +162,7 @@ class InventoryMap(BaseObject):
             charges = item_property.charge_cost
         if len(avail) < charges:
             return False
-        for charge in avail:
+        for charge in avail[:charges]:
             charge.expended = True
         return True
 

src/ttfrog/db/schema/item.py

@@ -144,7 +144,7 @@ class ItemProperty(BaseObject):
     id: Mapped[int] = mapped_column(init=False, primary_key=True, autoincrement=True)
     name: Mapped[str] = mapped_column(String(collation="NOCASE"), nullable=False, unique=True)
     description: Mapped[str] = mapped_column(String, nullable=True, default=None)
-    charge_cost: Mapped[int] = mapped_column(nullable=True, info={"min": 0}, default=None)
+    charge_cost: Mapped[int] = mapped_column(nullable=True, info={"min": 1}, default=None)
     item_id: Mapped[int] = mapped_column(ForeignKey("item.id"), default=0)
 
     # action/reaction/bonus

test/test_inventories.py

@@ -1,3 +1,4 @@
+from ttfrog.db.schema.container import Container
 from ttfrog.db.schema.item import Item, ItemType, Spell
 
 
@@ -41,7 +42,15 @@ def test_equipment_inventory(db, carl):
         # can't equip it twice
         assert not pole_one.equip()
 
-        # unequip it
+        # can't prepare or cast an item
+        assert not pole_one.prepare()
+        assert not pole_one.unprepare()
+        assert not pole_one.cast()
+
+        # not consumable or attunable
+        assert not pole_one.consume()
+        assert not pole_one.attune()
+
         assert pole_one.unequip()
 
         # can't unequip the unequipped ones
@@ -123,6 +132,7 @@ def test_spell_slots(db, carl, wizard):
         assert carl.spellcaster_level == 3
 
         # cast fireball until he's out of 3rd level slots
+        assert not carl.spells.get(fireball).cast()
         assert carl.spells.get(fireball).prepare()
         assert carl.spells.get(fireball).cast()
         assert carl.spells.get(fireball).cast()
@@ -142,3 +152,35 @@ def test_spell_slots(db, carl, wizard):
         # use the last 3rd level slot
         assert carl.spells.get(fireball).cast()
         assert not carl.spells.get(fireball).cast()
+
+        # unprepare it
+        assert carl.spells.get(fireball).unprepare()
+        assert not carl.spells.get(fireball).unprepare()
+
+
+def test_containers(db, carl):
+    with db.transaction():
+        ten_foot_pole = Item(name="10ft. Pole", item_type=ItemType.ITEM, consumable=False)
+        bag_of_holding = Container(name="Bag of Holding")
+        db.add_or_update([carl, ten_foot_pole, bag_of_holding])
+
+        # add the ten_foot_pole to the bag of holding
+        assert bag_of_holding.inventory.add(ten_foot_pole)
+        db.add_or_update(bag_of_holding)
+        pole_from_bag = bag_of_holding.inventory.get(ten_foot_pole)
+        assert pole_from_bag
+        assert pole_from_bag in bag_of_holding.inventory
+        assert pole_from_bag not in carl.equipment
+
+        # add the bag of holding to carl's equipment
+        assert carl.equipment.add(bag_of_holding)
+        db.add_or_update(bag_of_holding)
+        assert pole_from_bag in carl.equipment
+
+        # test equality of mappings
+        carls_bag = carl.equipment.get(bag_of_holding)
+        carls_pole = carl.equipment.get(ten_foot_pole)
+        assert carls_pole == pole_from_bag
+
+        # remove the pole from the bag
+        assert carls_bag.item.inventory.remove(pole_from_bag)

test/test_items.py

@@ -1,5 +1,5 @@
 from ttfrog.db.schema.constants import DamageType, Defenses
-from ttfrog.db.schema.item import Armor, ItemProperty, Rarity, RechargeTime, Shield, Weapon
+from ttfrog.db.schema.item import Armor, Item, ItemProperty, Rarity, RechargeTime, Shield, Weapon
 from ttfrog.db.schema.modifiers import Modifier
 
 
@@ -49,7 +49,7 @@ def test_charges(db, carl):
             saving throw. On a failure, the target is forced to grin for one minute. While grinning, the target
             cannot speak. The target can repeat the saving throw at the start of their turn."
             """,
-            charge_cost=1,
+            charge_cost=2,
         )
 
         # from sqlalchemy.orm import relationship
@@ -88,6 +88,29 @@ def test_charges(db, carl):
         assert len(carls_dagger.charges) == dagger_of_lulz.charges == 6
         assert len(carls_dagger.charges_available) == dagger_of_lulz.charges == 6
         assert carls_dagger.use(for_the_lulz)
+        assert len(carls_dagger.charges_available) == 4
+
+        # use the remaining charges
+        assert carls_dagger.use(for_the_lulz)
+        assert carls_dagger.use(for_the_lulz)
+
+        # all out of charges
+        assert len(carls_dagger.charges_available) == 0
+        assert not carls_dagger.use(for_the_lulz)
+
+
+def test_nocharges(db, carl):
+    smiles = ItemProperty(name="Smile!", description="The target grins for one minute.", charge_cost=None)
+    wand_of_unlimited_smiles = Item(name="Wand of Unlimited Smiles", description="description", properties=[smiles])
+    db.add_or_update(wand_of_unlimited_smiles)
+
+    carl.equipment.add(wand_of_unlimited_smiles)
+    db.add_or_update(carl)
+
+    # no charges means you can use it at will
+    assert carl.equipment.get(wand_of_unlimited_smiles).use(smiles)
+    assert carl.equipment.get(wand_of_unlimited_smiles).use(smiles)
+    assert carl.equipment.get(wand_of_unlimited_smiles).use(smiles)
 
 
 def test_attunement(db, carl):
@@ -139,7 +162,8 @@ def test_attunement(db, carl):
         assert carl.armor_class == 12
         assert carls_shield not in carl.attuned_items
 
-        carls_shield.attune()
+        assert carls_shield.attune()
+        assert not carls_shield.attune()
         assert carl.armor_class == 12
         assert plus_two_ac in carl.modifiers["armor_class"]
         assert ranged_resistance in carl.modifiers[DamageType.ranged_weapon_attacks]
@@ -149,7 +173,20 @@ def test_attunement(db, carl):
         assert carl.armor_class == 13
 
         assert carls_shield.unattune()
+        assert not carls_shield.unattune()
         assert carl.armor_class == 13
         assert ranged_resistance not in carl.modifiers[DamageType.ranged_weapon_attacks]
         assert carls_shield.unequip()
         assert carl.armor_class == 11
+
+        # can only attune 3 items
+        assert carl.equipment.add(shield)
+        assert carl.equipment.add(shield)
+        assert carl.equipment.add(shield)
+        db.add_or_update(carl)
+
+        assert carl.equipment.get_all(shield)[0].attune()
+        assert carl.equipment.get_all(shield)[1].attune()
+        assert carl.equipment.get_all(shield)[2].attune()
+        assert len(carl.attuned_items) == 3
+        assert not carl.equipment.get_all(shield)[3].attune()