AnselemOdims/Loaner

// import Repayments from '../models/repayment';
// import Loans from '../models/loan';
// import Helpers from '../utils/helpers';
// import db from '../models/db';

// const { loans, repayments } = db;

// /**
//  * @class validateRepayment
//  * @description - Specifies which validation method is to be used
//  * @exports RepaymentValidation
//  */
// class RepaymentValidation {
//   /**
//    * @method validateRepayment
//    * @description - Validates the repayment
//    * @param {object} req - The Request Object
//    * @param {object} res - The Response Object
//    * @param {function} next - The next function
//    */
//   static async validateRepayment(req, res, next) {
//     const { paidAmount } = req.body;
//     const { id } = req.params;
//     const loan = await Helpers.findById(Number(id), loans);
//     const { balance, status, monthlyInstallment } = loan;
//     if (paidAmount <= 0) {
//       return res
//         .status(400)
//         .json({ status: 400, error: 'Paid amount should be more than zero' });
//     }
//     if (!paidAmount) {
//       return res
//         .status(400)
//         .json({ status: 400, error: 'Paid amount has to specified' });
//     }
//     if (Number.isNaN(Number(paidAmount))) {
//       return res
//         .status(400)
//         .json({ status: 400, error: 'Paid amount must be in a number format' });
//     }
//     if (status !== 'approved') {
//       return res
//         .status(400)
//         .json({ status: 400, error: 'This loan has not yet been approved' });
//     }
//     if (paidAmount > balance) {
//       return res
//         .status(400)
//         .json({ status: 400, error: "Paid amount should not exceed the client's balance" });
//     }
//     if (balance === 0) {
//       return res
//         .status(400)
//         .json({ status: 400, error: 'Client has completed loan repayment' });
//     }
//     if (paidAmount % monthlyInstallment !== 0) {
//       return res.status(400).json({
//         status: 400,
//         error: 'Paid amount can only be in multiples of the monthlyInstallment',
//       });
//     }
//     return next();
//   }

//   /**
//    * @method validateRecord
//    * @decsription - Validates the repayment record
//    * @param {object} req - The Request Object
//    * @param {object} res - The Response Object
//    * @param {function} next - The next function
//    */
//   static async validateRecord(req, res, next) {
//     const { id } = req.params;
//     const loan = await Helpers.findById(Number(id), loans);
//     const { email } = loan;
//     if (email !== req.user.email) {
//       return res
//         .status(403)
//         .json({ status: 403, error: 'You are not authorized to view this record' });
//     }
//     return next();
//   }
// }

// export default RepaymentValidation;