codex: initiated changes

internal/database/migrations/20260330110000_add_recording_attribution_fields_for_farm_stock.down.sql

@@ -0,0 +1,18 @@
+BEGIN;
+
+DROP INDEX IF EXISTS idx_recording_depletions_source_project_flock_kandang_id;
+DROP INDEX IF EXISTS idx_recording_eggs_project_flock_kandang_id;
+
+ALTER TABLE recording_depletions
+    DROP CONSTRAINT IF EXISTS fk_recording_depletions_source_project_flock_kandang_id;
+
+ALTER TABLE recording_eggs
+    DROP CONSTRAINT IF EXISTS fk_recording_eggs_project_flock_kandang_id;
+
+ALTER TABLE recording_depletions
+    DROP COLUMN IF EXISTS source_project_flock_kandang_id;
+
+ALTER TABLE recording_eggs
+    DROP COLUMN IF EXISTS project_flock_kandang_id;
+
+COMMIT;

internal/database/migrations/20260330110000_add_recording_attribution_fields_for_farm_stock.up.sql

@@ -0,0 +1,61 @@
+BEGIN;
+
+ALTER TABLE recording_depletions
+    ADD COLUMN IF NOT EXISTS source_project_flock_kandang_id BIGINT NULL;
+
+ALTER TABLE recording_eggs
+    ADD COLUMN IF NOT EXISTS project_flock_kandang_id BIGINT NULL;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1
+        FROM pg_constraint
+        WHERE conname = 'fk_recording_depletions_source_project_flock_kandang_id'
+    ) THEN
+        ALTER TABLE recording_depletions
+            ADD CONSTRAINT fk_recording_depletions_source_project_flock_kandang_id
+            FOREIGN KEY (source_project_flock_kandang_id)
+            REFERENCES project_flock_kandangs(id)
+            ON DELETE SET NULL
+            ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1
+        FROM pg_constraint
+        WHERE conname = 'fk_recording_eggs_project_flock_kandang_id'
+    ) THEN
+        ALTER TABLE recording_eggs
+            ADD CONSTRAINT fk_recording_eggs_project_flock_kandang_id
+            FOREIGN KEY (project_flock_kandang_id)
+            REFERENCES project_flock_kandangs(id)
+            ON DELETE SET NULL
+            ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS idx_recording_depletions_source_project_flock_kandang_id
+    ON recording_depletions(source_project_flock_kandang_id);
+
+CREATE INDEX IF NOT EXISTS idx_recording_eggs_project_flock_kandang_id
+    ON recording_eggs(project_flock_kandang_id);
+
+UPDATE recording_depletions rd
+SET source_project_flock_kandang_id = r.project_flock_kandangs_id
+FROM recordings r
+WHERE r.id = rd.recording_id
+  AND rd.source_project_flock_kandang_id IS NULL
+  AND r.project_flock_kandangs_id IS NOT NULL;
+
+UPDATE recording_eggs re
+SET project_flock_kandang_id = r.project_flock_kandangs_id
+FROM recordings r
+WHERE r.id = re.recording_id
+  AND re.project_flock_kandang_id IS NULL
+  AND r.project_flock_kandangs_id IS NOT NULL;
+
+COMMIT;