refactor(prices): New price.updated field (#325)

alembic/versions/20240616_1157_818f9ced20cd_add_price_updated_field.py

@@ -0,0 +1,32 @@
+"""Add Price updated field
+
+Revision ID: 818f9ced20cd
+Revises: 58a287bcd336
+Create Date: 2024-06-16 11:57:37.751165
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "818f9ced20cd"
+down_revision: Union[str, None] = "58a287bcd336"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "prices", sa.Column("updated", sa.DateTime(timezone=True), nullable=True)
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("prices", "updated")
+    # ### end Alembic commands ###

app/models.py

@@ -172,5 +172,6 @@ class Price(Base):
     source = mapped_column(String, nullable=True)
 
     created = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated = mapped_column(DateTime(timezone=True), onupdate=func.now())
 
     __tablename__ = "prices"

app/schemas.py

@@ -435,7 +435,10 @@ class PriceFull(PriceCreate):
     #     examples=["web app", "mobile app"],
     #     default=None,
     # )
-    created: datetime.datetime
+    created: datetime.datetime = Field(description="datetime of the creation.")
+    updated: datetime.datetime | None = Field(
+        description="datetime of the last update.", default=None
+    )
 
 
 class PriceFullWithRelations(PriceFull):