feat: cards, attributes and modules

models/module.py

@@ -0,0 +1,33 @@
+from typing import TYPE_CHECKING
+
+from sqlalchemy import Table, Column, ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from models.base import BaseModel
+
+if TYPE_CHECKING:
+    from models import Project
+
+
+project_module = Table(
+    'project_module',
+    BaseModel.metadata,
+    Column('project_id', ForeignKey('projects.id')),
+    Column('module_id', ForeignKey('modules.id')),
+)
+
+
+class Module(BaseModel):
+    __tablename__ = 'modules'
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    key: Mapped[str] = mapped_column(unique=True, nullable=False)
+    is_deleted: Mapped[bool] = mapped_column(default=False)
+
+    projects: Mapped[list['Project']] = relationship(
+        'Project',
+        uselist=True,
+        secondary='project_module',
+        back_populates='modules',
+        lazy='noload',
+    )