userData lib

src/lib/userData.js

@@ -0,0 +1,45 @@
+hf.database.run(
+  "CREATE TABLE IF NOT EXISTS user_data (key STRING PRIMARY KEY, value STRING NOT NULL) WITHOUT ROWID"
+);
+
+function setUserData(id, key, value) {
+  return new Promise((resolve, reject) => {
+    hf.database.run(
+      "INSERT INTO user_data VALUES ($key,$value)",
+      {
+        $value: value,
+        $key: `${id}[${key}]`,
+      },
+      (err) => {
+        if (err == null) {
+          resolve(true);
+        } else {
+          reject(err);
+        }
+      }
+    );
+  });
+}
+
+function getUserData(id, key, fallback = null) {
+  return new Promise((resolve, reject) => {
+    hf.database.get(
+      "SELECT value FROM user_data WHERE key = $key",
+      {
+        $key: `${id}[${key}]`,
+      },
+      (err, row) => {
+        if (err == null) {
+          resolve(row?.value || fallback);
+        } else {
+          reject(err);
+        }
+      }
+    );
+  });
+}
+
+module.exports = {
+  setUserData,
+  getUserData,
+};