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| """support_chat: conversations and messages for the in app help bot | |
| Revision ID: 0016_support_chat | |
| Revises: 0015_message_feedback | |
| Create Date: 2026-10-06 | |
| """ | |
| import sqlalchemy as sa | |
| from alembic import op | |
| revision = "0016_support_chat" | |
| down_revision = "0015_message_feedback" | |
| branch_labels = None | |
| depends_on = None | |
| def upgrade() -> None: | |
| # 0001 builds from the live models, so a fresh database may already have these. | |
| if "support_conversations" in sa.inspect(op.get_bind()).get_table_names(): | |
| return | |
| op.create_table( | |
| "support_conversations", | |
| sa.Column("id", sa.Uuid(), primary_key=True), | |
| sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), | |
| sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False), | |
| sa.Column("user_id", sa.Uuid(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False), | |
| sa.Column("title", sa.String(200)), | |
| sa.Column("summary", sa.Text(), nullable=False, server_default=""), | |
| sa.Column("session_state", sa.JSON(), nullable=False), | |
| sa.Column("escalation_count", sa.Integer(), nullable=False, server_default="0"), | |
| ) | |
| op.create_index("ix_support_conversations_user_id", "support_conversations", ["user_id"]) | |
| op.create_table( | |
| "support_messages", | |
| sa.Column("id", sa.Uuid(), primary_key=True), | |
| sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), | |
| sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False), | |
| sa.Column( | |
| "conversation_id", sa.Uuid(), sa.ForeignKey("support_conversations.id", ondelete="CASCADE"), nullable=False | |
| ), | |
| sa.Column("role", sa.String(20), nullable=False), | |
| sa.Column("content", sa.Text(), nullable=False), | |
| sa.Column("page_path", sa.String(300)), | |
| sa.Column("cited_docs", sa.JSON()), | |
| ) | |
| op.create_index("ix_support_messages_conversation_id", "support_messages", ["conversation_id"]) | |
| def downgrade() -> None: | |
| op.drop_table("support_messages") | |
| op.drop_table("support_conversations") | |