(Streamline delivery) Add OrderCase table (#2960) (minor)

### Added

- OrderCase table

alembic/versions/2024_02_19_43eb680d6181_add_order_case_table.py

@@ -0,0 +1,32 @@
+"""Add order case table
+
+Revision ID: 43eb680d6181
+Revises: d241d8c493fb
+Create Date: 2024-02-19 10:13:21.075891
+
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "43eb680d6181"
+down_revision = "d241d8c493fb"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "order_case",
+        sa.Column("order_id", sa.Integer, nullable=False, index=True),
+        sa.Column("case_id", sa.Integer, nullable=False, index=True),
+        sa.ForeignKeyConstraint(["order_id"], ["order.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["case_id"], ["case.id"], ondelete="CASCADE"),
+        sa.UniqueConstraint("order_id", "case_id", name="_order_case_uc"),
+    )
+
+
+def downgrade():
+    op.drop_table(table_name="order_case")

cg/store/models.py

@@ -55,6 +55,14 @@ def to_dict(model_instance):
     UniqueConstraint("customer_id", "collaboration_id", name="_customer_collaboration_uc"),
 )
 
+order_case = Table(
+    "order_case",
+    Model.metadata,
+    Column("order_id", ForeignKey("order.id", ondelete="CASCADE"), nullable=False),
+    Column("case_id", ForeignKey("case.id", ondelete="CASCADE"), nullable=False),
+    UniqueConstraint("order_id", "case_id", name="_order_case_uc"),
+)
+
 
 class PriorityMixin:
     @property
@@ -403,6 +411,7 @@ class Case(Model, PriorityMixin):
 
     analyses = orm.relationship(Analysis, back_populates="case", order_by="-Analysis.completed_at")
     links = orm.relationship("CaseSample", back_populates="case")
+    orders = orm.relationship("Order", secondary=order_case, back_populates="cases")
 
     @property
     def cohorts(self) -> list[str]:
@@ -882,6 +891,7 @@ class Order(Model):
     __tablename__ = "order"
 
     id = Column(types.Integer, primary_key=True, unique=True)
+    cases = orm.relationship("Case", secondary=order_case, back_populates="orders")
     customer_id = Column(ForeignKey("customer.id"), nullable=False)
     customer = orm.relationship(Customer, foreign_keys=[customer_id])
     order_date = Column(types.DateTime, nullable=False, default=dt.datetime.now())