Emails: templates, branded HTML, audiences, opt-out, log; admin UI

panel/server/src/db.rs

@@ -759,6 +759,21 @@ const MIGRATIONS: &[&str] = &[
       VALUES (NEW.user_uuid, 'achievement', NEW.achievement_id, strftime('%Y-%m-%dT%H:%M:%SZ', 'now'));
     END;
     "#,
+    // Emails sent from the panel: players can opt out of non-essential mail, and every send is logged.
+    r#"
+    ALTER TABLE users ADD COLUMN email_optout INTEGER NOT NULL DEFAULT 0;
+    CREATE TABLE email_log (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        subject TEXT NOT NULL,
+        audience TEXT NOT NULL,
+        total INTEGER NOT NULL DEFAULT 0,
+        sent INTEGER NOT NULL DEFAULT 0,
+        failed INTEGER NOT NULL DEFAULT 0,
+        last_error TEXT,
+        started_at TEXT NOT NULL,
+        finished_at TEXT
+    );
+    "#,
 ];
 
 pub async fn connect(data_dir: &Path) -> Result<SqlitePool> {