Function fetchUser

models/users.js:388–439

({ userId = null, username = null, githubUsername = null, discordId = null, email = null })

/**
 * Fetches the user data from the the provided username or userId
 *
 * @param { Object }: Object with username and userId, any of the two can be used
 * @return {Promise<{userExists: boolean, user: <userModel>}|{userExists: boolean, user: <userModel>}>}
 */
const fetchUser = async ({ userId = null, username = null, githubUsername = null, discordId = null, email = null }) => {
  try {
    // Cache lookup keys mirror the query branches below.
    const cacheKeys = [];
    if (userId) cacheKeys.push(`user:userId:${userId}`);
    if (username) cacheKeys.push(`user:username:${username}`);
    if (githubUsername) cacheKeys.push(`user:github:${githubUsername}`);
    if (discordId) cacheKeys.push(`user:discordId:${discordId}`);
    if (email) cacheKeys.push(`user:email:${email}`);

    const cachedUser = cacheKeys.length === 1 ? userCache.get(cacheKeys[0]) : null;
    if (cachedUser) {
      if (discordId && cachedUser.roles?.archived !== false) {
        userCache.invalidateUser(cachedUser.id);
      } else {
        return {
          userExists: true,
          user: cachedUser,
        };
      }
    }

    let userData, id;
    if (username) {
      const user = await userModel.where("username", "==", username).limit(1).get();
      user.forEach((doc) => {
        id = doc.id;
        userData = doc.data();
      });
    } else if (userId) {
      const user = await userModel.doc(userId).get();
      id = userId;
      userData = user.data();
    } else if (githubUsername) {
      const user = await userModel.where("github_id", "==", githubUsername).limit(1).get();
      user.forEach((doc) => {
        id = doc.id;
        userData = doc.data();
      });
    } else if (discordId) {
      const user = await userModel.where("discordId", "==", discordId).where("roles.archived", "==", false).get();
      user.forEach((doc) => {
        id = doc.id;
        userData = doc.data();
      });
    } else if (email) {
      const user = await userModel.where("email", "==", email).limit(1).get();
      user.forEach((doc) => {
        id = doc.id;
        userData = doc.data();