Add Teams (DB + API + UI)

2026-02-02 18:59:54 +05:30
parent dc8750353d
commit ef2676fa1c
26 changed files with 865 additions and 5 deletions
--- a/backend/alembic/versions/3f2c1b9c8e12_add_teams_and_team_ownership.py
+++ b/backend/alembic/versions/3f2c1b9c8e12_add_teams_and_team_ownership.py
@@ -0,0 +1,73 @@
+"""Add teams and team ownership
+
+Revision ID: 3f2c1b9c8e12
+Revises: bacd5e6a253d
+Create Date: 2026-02-02
+
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "3f2c1b9c8e12"
+down_revision = "bacd5e6a253d"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # 1) Teams
+    op.create_table(
+        "teams",
+        sa.Column("id", sa.Integer(), primary_key=True, nullable=False),
+        sa.Column("name", sa.String(), nullable=False),
+        sa.Column("department_id", sa.Integer(), nullable=False),
+        sa.Column("lead_employee_id", sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(["department_id"], ["departments.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["lead_employee_id"], ["employees.id"], ondelete="SET NULL"),
+        sa.UniqueConstraint("department_id", "name", name="uq_teams_department_id_name"),
+    )
+    op.create_index("ix_teams_name", "teams", ["name"], unique=False)
+    op.create_index("ix_teams_department_id", "teams", ["department_id"], unique=False)
+
+    # 2) Employees belong to one (optional) team
+    op.add_column("employees", sa.Column("team_id", sa.Integer(), nullable=True))
+    op.create_index("ix_employees_team_id", "employees", ["team_id"], unique=False)
+    op.create_foreign_key(
+        "fk_employees_team_id_teams",
+        "employees",
+        "teams",
+        ["team_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+
+    # 3) Projects are owned by teams (not departments)
+    op.add_column("projects", sa.Column("team_id", sa.Integer(), nullable=True))
+    op.create_index("ix_projects_team_id", "projects", ["team_id"], unique=False)
+    op.create_foreign_key(
+        "fk_projects_team_id_teams",
+        "projects",
+        "teams",
+        ["team_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+
+
+def downgrade() -> None:
+    op.drop_constraint("fk_projects_team_id_teams", "projects", type_="foreignkey")
+    op.drop_index("ix_projects_team_id", table_name="projects")
+    op.drop_column("projects", "team_id")
+
+    op.drop_constraint("fk_employees_team_id_teams", "employees", type_="foreignkey")
+    op.drop_index("ix_employees_team_id", table_name="employees")
+    op.drop_column("employees", "team_id")
+
+    op.drop_index("ix_teams_department_id", table_name="teams")
+    op.drop_index("ix_teams_name", table_name="teams")
+    op.drop_table("teams")