Add case follow-up queues and personal update notifications

src/lib/server/moderation/schema.ts

@@ -202,3 +202,24 @@ export function migrateModerationCaseRelationships(handle: Database.Database): v
             ON moderation_cases(game,guid,updated_at DESC,id);
     `);
 }
+
+export function migrateModerationCaseFollowups(handle: Database.Database): void {
+    const columns = handle.pragma('table_info(moderation_cases)') as { name: string }[];
+    if (!columns.some((column) => column.name === 'review_at'))
+        handle.exec(`ALTER TABLE moderation_cases ADD COLUMN review_at TEXT;
+            ALTER TABLE moderation_cases ADD COLUMN review_reason TEXT NOT NULL DEFAULT '';
+            ALTER TABLE moderation_cases ADD COLUMN review_sanction_id TEXT REFERENCES moderation_sanctions(id) ON DELETE SET NULL;`);
+    handle.exec(`
+        CREATE INDEX IF NOT EXISTS moderation_case_review_due ON moderation_cases(review_at) WHERE review_at IS NOT NULL;
+        CREATE TABLE IF NOT EXISTS moderation_case_notifications (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            user_id TEXT NOT NULL REFERENCES auth_users(id) ON DELETE CASCADE,
+            case_id TEXT NOT NULL REFERENCES moderation_cases(id),
+            kind TEXT NOT NULL CHECK(kind IN ('evidence','assignment')),
+            created_at TEXT NOT NULL,
+            read_at TEXT
+        );
+        CREATE INDEX IF NOT EXISTS moderation_case_notifications_unread ON moderation_case_notifications(user_id,read_at,id DESC);
+        CREATE INDEX IF NOT EXISTS moderation_case_notifications_case ON moderation_case_notifications(user_id,case_id,read_at,id DESC);
+    `);
+}