Initial commit on Forgejo

Fresh repository history for elektrine/tarakan hosted at
https://git.elektrine.com/elektrine/tarakan.

priv/repo/migrations/20260712083827_consolidate_canonical_finding_votes.exs

@@ -0,0 +1,47 @@
+defmodule Tarakan.Repo.Migrations.ConsolidateCanonicalFindingVotes do
+  use Ecto.Migration
+
+  def up do
+    execute """
+    INSERT INTO votes (
+      account_id, subject_type, subject_id, value, inserted_at, updated_at
+    )
+    SELECT DISTINCT ON (vote.account_id, finding.canonical_finding_id)
+      vote.account_id, 'canonical_finding', finding.canonical_finding_id,
+      vote.value, vote.inserted_at, vote.updated_at
+    FROM votes vote
+    JOIN scan_findings finding ON finding.id = vote.subject_id
+    WHERE vote.subject_type = 'finding' AND finding.canonical_finding_id IS NOT NULL
+    ORDER BY vote.account_id, finding.canonical_finding_id,
+      vote.updated_at DESC, vote.id DESC
+    ON CONFLICT (account_id, subject_type, subject_id)
+    DO UPDATE SET value = EXCLUDED.value, updated_at = EXCLUDED.updated_at
+    """
+
+    execute "DELETE FROM votes WHERE subject_type = 'finding'"
+  end
+
+  def down do
+    execute """
+    INSERT INTO votes (
+      account_id, subject_type, subject_id, value, inserted_at, updated_at
+    )
+    SELECT vote.account_id, 'finding', occurrence.id, vote.value,
+      vote.inserted_at, vote.updated_at
+    FROM votes vote
+    JOIN LATERAL (
+      SELECT finding.id
+      FROM scan_findings finding
+      JOIN scans scan ON scan.id = finding.scan_id
+      WHERE finding.canonical_finding_id = vote.subject_id
+      ORDER BY scan.inserted_at ASC, finding.id ASC
+      LIMIT 1
+    ) occurrence ON true
+    WHERE vote.subject_type = 'canonical_finding'
+    ON CONFLICT (account_id, subject_type, subject_id)
+    DO UPDATE SET value = EXCLUDED.value, updated_at = EXCLUDED.updated_at
+    """
+
+    execute "DELETE FROM votes WHERE subject_type = 'canonical_finding'"
+  end
+end