lct-hack/backend/app/db/migrations/versions/a4c9d1e2f3b4_learning_materials.py
2026-09-24 01:10:49 +03:00

63 lines
2.7 KiB
Python

"""учебные материалы и назначения
Revision ID: a4c9d1e2f3b4
Revises: e6e2ab171dd7
Create Date: 2026-09-23
"""
from alembic import op
import sqlalchemy as sa
revision = "a4c9d1e2f3b4"
down_revision = "e6e2ab171dd7"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"learning_materials",
sa.Column("id", sa.Uuid(), nullable=False),
sa.Column("title", sa.String(length=200), nullable=False),
sa.Column("description", sa.Text(), nullable=False),
sa.Column("level", sa.String(length=4), nullable=False),
sa.Column("kind", sa.String(length=16), nullable=False),
sa.Column("body", sa.Text(), nullable=False),
sa.Column("scenario_id", sa.String(length=80), nullable=True),
sa.Column("file_name", sa.String(length=240), nullable=True),
sa.Column("media_type", sa.String(length=120), nullable=True),
sa.Column("file_data", sa.LargeBinary(), nullable=True),
sa.Column("file_sha256", sa.String(length=64), nullable=True),
sa.Column("active", sa.Boolean(), nullable=False),
sa.Column("created_by", sa.String(length=80), nullable=False),
sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
sa.ForeignKeyConstraint(["scenario_id"], ["scenarios.id"], ondelete="SET NULL"),
sa.PrimaryKeyConstraint("id"),
)
op.create_table(
"material_assignments",
sa.Column("id", sa.Uuid(), nullable=False),
sa.Column("material_id", sa.Uuid(), nullable=False),
sa.Column("trainee_id", sa.Uuid(), nullable=False),
sa.Column("assigned_by", sa.String(length=80), nullable=False),
sa.Column("assigned_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
sa.ForeignKeyConstraint(["material_id"], ["learning_materials.id"], ondelete="CASCADE"),
sa.ForeignKeyConstraint(["trainee_id"], ["trainees.id"], ondelete="CASCADE"),
sa.PrimaryKeyConstraint("id"),
sa.UniqueConstraint("material_id", "trainee_id", name="uq_material_assignment"),
)
op.create_index(
"ix_material_assignments_trainee",
"material_assignments",
["trainee_id", "assigned_at"],
unique=False,
)
def downgrade() -> None:
op.drop_index("ix_material_assignments_trainee", table_name="material_assignments")
op.drop_table("material_assignments")
op.drop_table("learning_materials")