📩 feat: invite user (#3012)

* feat: basic invite-user script

* feat: add invite user functionality and registration validation middleware

* fix: invite user fixes

* refactor: consolidate direct model access to a central place of functions

* style(Registration): add spinner to continue button

* refactor: import ordrer

* feat: improve invite user script and error handling

* fix: merge conflict

* refactor: remove `console.log` and use `logger`

* fix: token operation and checkinvite issues

* bring back comment and remove console log

* fix: return invalid token when token is not found

* fix: getInvite fix

* refactor: Update Token.js to use async/await syntax for update and delete operations

* feat: Refactor Token.js to use async/await syntax for createToken and findToken functions

* refactor(inviteUser): define functions outside of module.exports

* Update AuthService.js

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

api/models/Token.js

@@ -0,0 +1,117 @@
+const tokenSchema = require('./schema/tokenSchema');
+const mongoose = require('mongoose');
+const { logger } = require('~/config');
+
+/**
+ * Token model.
+ * @type {mongoose.Model}
+ */
+const Token = mongoose.model('Token', tokenSchema);
+
+/**
+ * Creates a new Token instance.
+ * @param {Object} tokenData - The data for the new Token.
+ * @param {mongoose.Types.ObjectId} tokenData.userId - The user's ID. It is required.
+ * @param {String} tokenData.email - The user's email.
+ * @param {String} tokenData.token - The token. It is required.
+ * @param {Number} tokenData.expiresIn - The number of seconds until the token expires.
+ * @returns {Promise<mongoose.Document>} The new Token instance.
+ * @throws Will throw an error if token creation fails.
+ */
+async function createToken(tokenData) {
+  try {
+    const currentTime = new Date();
+    const expiresAt = new Date(currentTime.getTime() + tokenData.expiresIn * 1000);
+
+    const newTokenData = {
+      ...tokenData,
+      createdAt: currentTime,
+      expiresAt,
+    };
+
+    const newToken = new Token(newTokenData);
+    return await newToken.save();
+  } catch (error) {
+    logger.debug('An error occurred while creating token:', error);
+    throw error;
+  }
+}
+
+/**
+ * Finds a Token document that matches the provided query.
+ * @param {Object} query - The query to match against.
+ * @param {mongoose.Types.ObjectId|String} query.userId - The ID of the user.
+ * @param {String} query.token - The token value.
+ * @param {String} query.email - The email of the user.
+ * @returns {Promise<Object|null>} The matched Token document, or null if not found.
+ * @throws Will throw an error if the find operation fails.
+ */
+async function findToken(query) {
+  try {
+    const conditions = [];
+
+    if (query.userId) {
+      conditions.push({ userId: query.userId });
+    }
+    if (query.token) {
+      conditions.push({ token: query.token });
+    }
+    if (query.email) {
+      conditions.push({ email: query.email });
+    }
+
+    const token = await Token.findOne({
+      $and: conditions,
+    }).lean();
+
+    return token;
+  } catch (error) {
+    logger.debug('An error occurred while finding token:', error);
+    throw error;
+  }
+}
+
+/**
+ * Updates a Token document that matches the provided query.
+ * @param {Object} query - The query to match against.
+ * @param {mongoose.Types.ObjectId|String} query.userId - The ID of the user.
+ * @param {String} query.token - The token value.
+ * @param {Object} updateData - The data to update the Token with.
+ * @returns {Promise<mongoose.Document|null>} The updated Token document, or null if not found.
+ * @throws Will throw an error if the update operation fails.
+ */
+async function updateToken(query, updateData) {
+  try {
+    return await Token.findOneAndUpdate(query, updateData, { new: true });
+  } catch (error) {
+    logger.debug('An error occurred while updating token:', error);
+    throw error;
+  }
+}
+
+/**
+ * Deletes all Token documents that match the provided token, user ID, or email.
+ * @param {Object} query - The query to match against.
+ * @param {mongoose.Types.ObjectId|String} query.userId - The ID of the user.
+ * @param {String} query.token - The token value.
+ * @param {String} query.email - The email of the user.
+ * @returns {Promise<Object>} The result of the delete operation.
+ * @throws Will throw an error if the delete operation fails.
+ */
+async function deleteTokens(query) {
+  try {
+    return await Token.deleteMany({
+      $or: [{ userId: query.userId }, { token: query.token }, { email: query.email }],
+    });
+  } catch (error) {
+    logger.debug('An error occurred while deleting tokens:', error);
+    throw error;
+  }
+}
+
+module.exports = {
+  createToken,
+  findToken,
+  updateToken,
+  deleteTokens,
+};