Add migration

alembic/versions/0286cedeefc7_add_subscriptions_models.py

@@ -0,0 +1,56 @@
+"""Add subscriptions models
+
+Revision ID: 0286cedeefc7
+Revises: 8ee6f22d775a
+Create Date: 2024-02-16 22:09:09.808981
+
+"""
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "0286cedeefc7"
+down_revision = "94f1cd79b7d4"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "packages",
+        sa.Column("name", sa.String(), nullable=False, primary_key=True),
+    )
+
+    op.execute("INSERT INTO packages (name) SELECT DISTINCT name FROM scans")
+
+    op.create_table(
+        "people",
+        sa.Column("id", sa.UUID(), nullable=False, primary_key=True),
+        sa.Column("discord_id", sa.BigInteger(), nullable=True),
+        sa.Column("email_address", sa.String(), nullable=True),
+    )
+
+    op.create_table(
+        "subscriptions",
+        sa.Column("package_name", sa.String(), nullable=False),
+        sa.Column("person_id", sa.UUID(), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["package_name"],
+            ["packages.name"],
+        ),
+        sa.ForeignKeyConstraint(
+            ["person_id"],
+            ["people.id"],
+        ),
+        sa.PrimaryKeyConstraint("package_name", "person_id"),
+    )
+
+    op.create_foreign_key("scans_packages_fkey", "scans", "packages", ["name"], ["name"])
+
+
+def downgrade() -> None:
+    op.drop_constraint("scans_packages_fkey", "scans", type_="foreignkey")
+    op.drop_table("subscriptions")
+    op.drop_table("people")
+    op.drop_table("packages")