Add database support for borrowing and borrow queues

worblehat/models/BookcaseItem.py

@@ -24,6 +24,8 @@ from .xref_tables import (
 )
 if TYPE_CHECKING:
     from .Author import Author
+    from .BookcaseItemBorrowing import BookcaseItemBorrowing
+    from .BookcaseItemBorrowingQueue import BookcaseItemBorrowingQueue
     from .BookcaseShelf import BookcaseShelf
     from .Category import Category
     from .Language import Language
@@ -41,6 +43,8 @@ class BookcaseItem(Base, UidMixin, UniqueNameMixin):
     media_type: Mapped[MediaType] = relationship(back_populates='items')
     shelf: Mapped[BookcaseShelf] = relationship(back_populates='items')
     language: Mapped[Language] = relationship()
+    borrowings: Mapped[BookcaseItemBorrowing] = relationship(back_populates='item')
+    borrowing_queue: Mapped[BookcaseItemBorrowingQueue] = relationship(back_populates='item')
 
     categories: Mapped[set[Category]] = relationship(
         secondary = Item_Category.__table__,

worblehat/models/BookcaseItemBorrowing.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+from typing import TYPE_CHECKING
+from datetime import datetime, timedelta
+
+from sqlalchemy import (
+    Boolean,
+    ForeignKey,
+    String,
+    DateTime,
+)
+from sqlalchemy.orm import (
+    Mapped,
+    mapped_column,
+    relationship,
+)
+
+from .Base import Base
+from .mixins import UidMixin
+if TYPE_CHECKING:
+    from .BookcaseItem import BookcaseItem
+
+class BookcaseItemBorrowing(Base, UidMixin):
+    username: Mapped[str] = mapped_column(String)
+    start_time: Mapped[datetime] = mapped_column(DateTime, default=datetime.now())
+    end_time: Mapped[datetime] = mapped_column(DateTime, default=datetime.now() + timedelta(days=30))
+    delivered: Mapped[bool] = mapped_column(Boolean, default=False)
+
+    fk_bookcase_item_uid: Mapped[int] = mapped_column(ForeignKey('BookcaseItem.uid'), index=True)
+
+    item: Mapped[BookcaseItem] = relationship(back_populates='borrowings')
+
+    def __init__(
+        self,
+        username: str,
+        item: BookcaseItem,
+    ):
+        self.username = username
+        self.item = item

worblehat/models/BookcaseItemBorrowingQueue.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+from typing import TYPE_CHECKING
+from datetime import datetime
+
+from sqlalchemy import (
+    ForeignKey,
+    String,
+    DateTime,
+    Boolean,
+)
+from sqlalchemy.orm import (
+    Mapped,
+    mapped_column,
+    relationship,
+)
+
+from .Base import Base
+from .mixins import UidMixin
+if TYPE_CHECKING:
+    from .BookcaseItem import BookcaseItem
+
+class BookcaseItemBorrowingQueue(Base, UidMixin):
+    username: Mapped[str] = mapped_column(String)
+    entered_queue_time = mapped_column(DateTime, default=datetime.now())
+    should_notify_user = mapped_column(Boolean, default=False)
+
+    fk_bookcase_item_uid: Mapped[int] = mapped_column(ForeignKey('BookcaseItem.uid'), index=True)
+
+    item: Mapped[BookcaseItem] = relationship(back_populates='borrowing_queue')
+
+    def __init__(
+        self,
+        username: str,
+        item: BookcaseItem,
+    ):
+        self.username = username
+        self.item = item

worblehat/models/__init__.py

@@ -2,6 +2,8 @@ from .Author import Author
 from .Base import Base
 from .Bookcase import Bookcase
 from .BookcaseItem import BookcaseItem
+from .BookcaseItemBorrowing import BookcaseItemBorrowing
+from .BookcaseItemBorrowingQueue import BookcaseItemBorrowingQueue
 from .BookcaseShelf import BookcaseShelf
 from .Category import Category
 from .Language import Language