feat: add alert history

backend/alembic/env.py

@@ -1,10 +1,8 @@
 import os
 from logging.config import fileConfig
 
-from sqlalchemy import engine_from_config
-from sqlalchemy import pool
-
 from alembic import context
+from sqlalchemy import engine_from_config, pool
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -22,8 +20,7 @@ if database_url:
 
     config.set_main_option("sqlalchemy.url", _make_sync_db_url(database_url))
 
-# Import all models so that autogenerate can detect them
-from app.core.database import Base  # noqa: E402
+import app.models.alert  # noqa: E402, F401
 import app.models.domain  # noqa: E402, F401
 import app.models.mail_source  # noqa: E402, F401
 import app.models.mail_source_import  # noqa: E402, F401
@@ -31,6 +28,9 @@ import app.models.report  # noqa: E402, F401
 import app.models.setting  # noqa: E402, F401
 import app.models.user  # noqa: E402, F401
 
+# Import all models so that autogenerate can detect them
+from app.core.database import Base  # noqa: E402
+
 target_metadata = Base.metadata
 
 

backend/alembic/versions/a7b8c9d0e1f2_add_alert_history.py

@@ -0,0 +1,107 @@
+"""add alert history
+
+Revision ID: a7b8c9d0e1f2
+Revises: f6a7b8c9d0e1
+Create Date: 2026-05-22 23:12:00.000000
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "a7b8c9d0e1f2"
+down_revision: Union[str, Sequence[str], None] = "f6a7b8c9d0e1"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Create persisted alert history rows."""
+    op.create_table(
+        "alert_history",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("fingerprint", sa.String(length=64), nullable=False),
+        sa.Column("rule", sa.String(), nullable=False),
+        sa.Column("severity", sa.String(), nullable=False),
+        sa.Column("domain", sa.String(), nullable=True),
+        sa.Column("title", sa.String(), nullable=False),
+        sa.Column("detail", sa.Text(), nullable=False),
+        sa.Column("payload", sa.Text(), nullable=True),
+        sa.Column("observed_count", sa.Integer(), nullable=False),
+        sa.Column("is_active", sa.Boolean(), nullable=False),
+        sa.Column("first_seen_at", sa.DateTime(), nullable=False),
+        sa.Column("last_seen_at", sa.DateTime(), nullable=False),
+        sa.Column("resolved_at", sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("fingerprint"),
+    )
+    op.create_index(op.f("ix_alert_history_id"), "alert_history", ["id"], unique=False)
+    op.create_index(
+        op.f("ix_alert_history_fingerprint"),
+        "alert_history",
+        ["fingerprint"],
+        unique=False,
+    )
+    op.create_index(op.f("ix_alert_history_rule"), "alert_history", ["rule"], unique=False)
+    op.create_index(
+        op.f("ix_alert_history_severity"),
+        "alert_history",
+        ["severity"],
+        unique=False,
+    )
+    op.create_index(op.f("ix_alert_history_domain"), "alert_history", ["domain"], unique=False)
+    op.create_index(
+        op.f("ix_alert_history_is_active"),
+        "alert_history",
+        ["is_active"],
+        unique=False,
+    )
+    op.create_index(
+        op.f("ix_alert_history_first_seen_at"),
+        "alert_history",
+        ["first_seen_at"],
+        unique=False,
+    )
+    op.create_index(
+        op.f("ix_alert_history_last_seen_at"),
+        "alert_history",
+        ["last_seen_at"],
+        unique=False,
+    )
+    op.create_index(
+        op.f("ix_alert_history_resolved_at"),
+        "alert_history",
+        ["resolved_at"],
+        unique=False,
+    )
+    op.create_index(
+        "ix_alert_history_active_last_seen",
+        "alert_history",
+        ["is_active", "last_seen_at"],
+        unique=False,
+    )
+    op.create_index(
+        "ix_alert_history_rule_domain",
+        "alert_history",
+        ["rule", "domain"],
+        unique=False,
+    )
+
+
+def downgrade() -> None:
+    """Drop persisted alert history rows."""
+    op.drop_index("ix_alert_history_rule_domain", table_name="alert_history")
+    op.drop_index("ix_alert_history_active_last_seen", table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_resolved_at"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_last_seen_at"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_first_seen_at"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_is_active"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_domain"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_severity"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_rule"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_fingerprint"), table_name="alert_history")
+    op.drop_index(op.f("ix_alert_history_id"), table_name="alert_history")
+    op.drop_table("alert_history")