add push notification support

alembic/versions/f73144466860_alert_encryption_table.py

@@ -0,0 +1,34 @@
+"""alert encryption table
+
+Revision ID: f73144466860
+Revises: e6b8e42fa629
+Create Date: 2024-07-16 06:55:24.078521
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'f73144466860'
+down_revision: Union[str, None] = 'e6b8e42fa629'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "alert_endpoints",
+        sa.Column("id", sa.INT, autoincrement=True, primary_key=True),
+        sa.Column("username", sa.VARCHAR(64), index=True),
+        sa.Column("url", sa.VARCHAR(2048), unique=True),
+        sa.Column("auth", sa.VARCHAR(2048)),
+        sa.Column("p256dh", sa.VARCHAR(2048)),
+        sa.Column("created_at", sa.TIMESTAMP(), server_default=sa.func.now()),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("alert_endpoints")