Flatten budget-app contents into repo root

2026-10-29 20:41:01 +00:00
parent c9fd26f1c7
commit 93f2696764
95 changed files with 184 additions and 187 deletions
@@ -0,0 +1,74 @@
+"""departments, per-department categories and budgets, approval workflows
+
+Existing data is kept: everything created with version 1 is moved into a department called "IT".
+
+Revision ID: 0002
+Revises: 0001
+"""
+import sqlalchemy as sa
+from alembic import op
+
+revision = "0002"
+down_revision = "0001"
+branch_labels = None
+depends_on = None
+
+
+def _drop_unique_on(table: str, columns: list[str]) -> None:
+    insp = sa.inspect(op.get_bind())
+    for uc in insp.get_unique_constraints(table):
+        if uc["column_names"] == columns:
+            op.drop_constraint(uc["name"], table, type_="unique")
+
+
+def upgrade() -> None:
+    op.create_table(
+        "departments",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("name", sa.String(length=120), nullable=False, unique=True),
+        sa.Column("active", sa.Boolean(), nullable=False, server_default=sa.true()),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
+    )
+    op.create_table(
+        "workflow_steps",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("department_id", sa.Integer(), sa.ForeignKey("departments.id", ondelete="CASCADE"), nullable=False),
+        sa.Column("position", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("name", sa.String(length=120), nullable=False),
+        sa.Column("approver_mode", sa.String(length=10), nullable=False, server_default="role"),
+        sa.Column("approver_ids", sa.JSON(), nullable=True),
+    )
+    op.create_index("ix_workflow_steps_department_id", "workflow_steps", ["department_id"])
+
+    op.add_column("users", sa.Column("department_id", sa.Integer(), nullable=True))
+    op.add_column("categories", sa.Column("department_id", sa.Integer(), nullable=True))
+    op.add_column("budget_years", sa.Column("department_id", sa.Integer(), nullable=True))
+    op.add_column("budget_years", sa.Column("current_step", sa.Integer(), nullable=True))
+
+    conn = op.get_bind()
+    has_data = any(conn.execute(sa.text(f"SELECT 1 FROM {t} LIMIT 1")).first()
+                   for t in ("users", "categories", "budget_years"))
+    if has_data:
+        conn.execute(sa.text("INSERT INTO departments (name, active, created_at) VALUES ('IT', true, now())"))
+        dept_id = conn.execute(sa.text("SELECT id FROM departments WHERE name = 'IT'")).scalar_one()
+        for table in ("users", "categories", "budget_years"):
+            conn.execute(sa.text(f"UPDATE {table} SET department_id = :d"), {"d": dept_id})
+        conn.execute(sa.text("UPDATE budget_years SET current_step = 0 WHERE status = 'in_review'"))
+
+    op.alter_column("categories", "department_id", nullable=False)
+    op.alter_column("budget_years", "department_id", nullable=False)
+    op.create_foreign_key("fk_users_department", "users", "departments", ["department_id"], ["id"])
+    op.create_foreign_key("fk_categories_department", "categories", "departments", ["department_id"], ["id"],
+                          ondelete="CASCADE")
+    op.create_foreign_key("fk_budget_years_department", "budget_years", "departments", ["department_id"], ["id"])
+    op.create_index("ix_categories_department_id", "categories", ["department_id"])
+    op.create_index("ix_budget_years_department_id", "budget_years", ["department_id"])
+
+    _drop_unique_on("categories", ["name_en"])
+    _drop_unique_on("budget_years", ["year"])
+    op.create_unique_constraint("uq_categories_department_name", "categories", ["department_id", "name_en"])
+    op.create_unique_constraint("uq_budget_years_department_year", "budget_years", ["department_id", "year"])
+
+
+def downgrade() -> None:
+    raise NotImplementedError("Restore a backup taken before the upgrade instead.")