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68 lines
3.4 KiB
Python
68 lines
3.4 KiB
Python
"""add notifications table
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Revision ID: 0010_notifications
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Revises: 0009_sla_transition_config
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Create Date: 2026-02-23
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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revision = "0010_notifications"
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down_revision = "0009_sla_transition_config"
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_table(
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"notifications",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("responsible", sa.String(length=200), nullable=False, server_default="Администратор системы"),
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sa.Column("request_id", postgresql.UUID(as_uuid=True), nullable=True),
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sa.Column("recipient_type", sa.String(length=20), nullable=False),
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sa.Column("recipient_admin_user_id", postgresql.UUID(as_uuid=True), nullable=True),
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sa.Column("recipient_track_number", sa.String(length=40), nullable=True),
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sa.Column("event_type", sa.String(length=50), nullable=False),
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sa.Column("title", sa.String(length=200), nullable=False),
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sa.Column("body", sa.Text(), nullable=True),
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sa.Column("payload", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
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sa.Column("is_read", sa.Boolean(), nullable=False, server_default=sa.text("false")),
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sa.Column("read_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("dedupe_key", sa.String(length=255), nullable=True, unique=True),
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)
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op.create_index("ix_notifications_request_id", "notifications", ["request_id"])
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op.create_index("ix_notifications_recipient_type", "notifications", ["recipient_type"])
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op.create_index("ix_notifications_recipient_admin_user_id", "notifications", ["recipient_admin_user_id"])
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op.create_index("ix_notifications_recipient_track_number", "notifications", ["recipient_track_number"])
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op.create_index("ix_notifications_event_type", "notifications", ["event_type"])
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op.create_index("ix_notifications_is_read", "notifications", ["is_read"])
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op.create_check_constraint(
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"ck_notifications_recipient_type",
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"notifications",
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"recipient_type IN ('CLIENT','ADMIN_USER')",
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)
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op.create_check_constraint(
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"ck_notifications_recipient_binding",
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"notifications",
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"("
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"(recipient_type = 'CLIENT' AND recipient_track_number IS NOT NULL AND recipient_admin_user_id IS NULL)"
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" OR "
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"(recipient_type = 'ADMIN_USER' AND recipient_admin_user_id IS NOT NULL AND recipient_track_number IS NULL)"
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")",
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)
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def downgrade():
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op.drop_constraint("ck_notifications_recipient_binding", "notifications", type_="check")
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op.drop_constraint("ck_notifications_recipient_type", "notifications", type_="check")
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op.drop_index("ix_notifications_is_read", table_name="notifications")
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op.drop_index("ix_notifications_event_type", table_name="notifications")
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op.drop_index("ix_notifications_recipient_track_number", table_name="notifications")
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op.drop_index("ix_notifications_recipient_admin_user_id", table_name="notifications")
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op.drop_index("ix_notifications_recipient_type", table_name="notifications")
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op.drop_index("ix_notifications_request_id", table_name="notifications")
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op.drop_table("notifications")
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