Moved all methods to modules (#460)

* Moved all methods to modules

* removed old mongoDB file

Server/db/mongo/modules/inviteModule.js

@@ -0,0 +1,37 @@
+const InviteToken = require("../../../models/InviteToken");
+const crypto = require("crypto");
+const { errorMessages } = require("../../../utils/messages");
+
+const requestInviteToken = async (req, res) => {
+  try {
+    await InviteToken.deleteMany({ email: req.body.email });
+    let inviteToken = new InviteToken({
+      email: req.body.email,
+      role: req.body.role,
+      token: crypto.randomBytes(32).toString("hex"),
+    });
+    await inviteToken.save();
+    return inviteToken;
+  } catch (error) {
+    throw error;
+  }
+};
+
+const getInviteToken = async (req, res) => {
+  try {
+    const invite = await InviteToken.findOneAndDelete({
+      token: req.body.token,
+    });
+    if (invite === null) {
+      throw new Error(errorMessages.AUTH_INVITE_NOT_FOUND);
+    }
+    return invite;
+  } catch (error) {
+    throw error;
+  }
+};
+
+module.exports = {
+  requestInviteToken,
+  getInviteToken,
+};