fix: reduce sr.ht poll API load with cached repo discovery

1 files changed, 36 insertions, 0 deletions

diff --git a/alembic/versions/20260411_0005_discovered_repositories.py b/alembic/versions/20260411_0005_discovered_repositories.py
new file mode 100644
index 0000000..fd2a949
--- /dev/null
+++ b/alembic/versions/20260411_0005_discovered_repositories.py
@@ -0,0 +1,36 @@
+"""discovered repository cache"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+revision = "20260411_0005"
+down_revision = "20260411_0004"
+branch_labels = None
+depends_on = None
+
+
+def _table_names() -> set[str]:
+    return set(inspect(op.get_bind()).get_table_names())
+
+
+def upgrade() -> None:
+    if "discovered_repositories" in _table_names():
+        return
+
+    op.create_table(
+        "discovered_repositories",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("actor", sa.String(length=255), nullable=False),
+        sa.Column("name", sa.String(length=255), nullable=False),
+        sa.Column("discovered_at", sa.DateTime(timezone=True), nullable=False),
+        sa.UniqueConstraint("actor", "name", name="uq_discovered_repository_actor_name"),
+    )
+
+
+def downgrade() -> None:
+    if "discovered_repositories" in _table_names():
+        op.drop_table("discovered_repositories")