feat: creatives and external channels

src/domain/creative.py

@@ -0,0 +1,27 @@
+import uuid
+from enum import StrEnum
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from src import domain
+
+if TYPE_CHECKING:
+    from .target_channel import TargetChannel
+
+
+class CreativeStatus(StrEnum):
+    ACTIVE = 'active'
+    ARCHIVED = 'archived'
+
+
+class Creative(domain.Base):
+    name: Mapped[str]
+    text: Mapped[str]
+    status: Mapped[CreativeStatus]
+    purchases_count: Mapped[int] = mapped_column(default=0, server_default='0')
+    user_id: Mapped[uuid.UUID] = mapped_column(ForeignKey('users.id'), index=True)
+
+    target_channel_id: Mapped[uuid.UUID] = mapped_column(ForeignKey('targetchannels.id'), index=True)
+    target_channel: Mapped['TargetChannel'] = relationship(back_populates='creatives')