Moved all methods to modules (#460)

* Moved all methods to modules

* removed old mongoDB file

Server/db/mongo/modules/recoveryModule.js

@@ -0,0 +1,80 @@
+const RecoveryToken = require("../../../models/RecoveryToken");
+const crypto = require("crypto");
+const { errorMessages } = require("../../../utils/messages");
+
+/**
+ * Request a recovery token
+ * @async
+ * @param {Express.Request} req
+ * @param {Express.Response} res
+ * @returns {Promise<UserModel>}
+ * @throws {Error}
+ */
+const requestRecoveryToken = async (req, res) => {
+  try {
+    // Delete any existing tokens
+    await RecoveryToken.deleteMany({ email: req.body.email });
+    let recoveryToken = new RecoveryToken({
+      email: req.body.email,
+      token: crypto.randomBytes(32).toString("hex"),
+    });
+    await recoveryToken.save();
+    return recoveryToken;
+  } catch (error) {
+    throw error;
+  }
+};
+
+const validateRecoveryToken = async (req, res) => {
+  try {
+    const candidateToken = req.body.recoveryToken;
+    const recoveryToken = await RecoveryToken.findOne({
+      token: candidateToken,
+    });
+    if (recoveryToken !== null) {
+      return recoveryToken;
+    } else {
+      throw new Error(errorMessages.DB_TOKEN_NOT_FOUND);
+    }
+  } catch (error) {
+    throw error;
+  }
+};
+
+const resetPassword = async (req, res) => {
+  try {
+    const newPassword = req.body.password;
+
+    // Validate token again
+    const recoveryToken = await validateRecoveryToken(req, res);
+    const user = await UserModel.findOne({ email: recoveryToken.email });
+
+    const match = await user.comparePassword(newPassword);
+    if (match === true) {
+      throw new Error(errorMessages.DB_RESET_PASSWORD_BAD_MATCH);
+    }
+
+    if (user !== null) {
+      user.password = newPassword;
+      await user.save();
+      await RecoveryToken.deleteMany({ email: recoveryToken.email });
+      // Fetch the user again without the password
+      const userWithoutPassword = await UserModel.findOne({
+        email: recoveryToken.email,
+      })
+        .select("-password")
+        .select("-profileImage");
+      return userWithoutPassword;
+    } else {
+      throw new Error(errorMessages.DB_USER_NOT_FOUND);
+    }
+  } catch (error) {
+    throw error;
+  }
+};
+
+module.exports = {
+  requestRecoveryToken,
+  validateRecoveryToken,
+  resetPassword,
+};