87 lines
2.2 KiB
JavaScript
87 lines
2.2 KiB
JavaScript
const chatRouter = require('express').Router();
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module.exports = chatRouter;
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const { getChatFromDB, getUsersChats, addChatToDB, getUserFromDB,
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addMessageToChat} = require('../db');
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chatRouter.get('/item/:id1/:id2', (req, res) => {
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const { id1, id2 } = req.params;
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if (id1 === id2) {
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res.status(400).send({message: 'Ids should be different'});
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return;
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}
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const chat = getChatFromDB(id1, id2);
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if (chat) {
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res.status(200).send({chat});
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} else {
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res.status(404).send({message: 'Chat was not found'});
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}
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})
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chatRouter.post('/item/:id1/:id2', (req, res) => {
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const { id1, id2 } = req.params;
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if (id1 === id2) {
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res.status(400).send({message: 'Ids should be different'});
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return;
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}
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const chat = getChatFromDB(id1, id2);
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if (chat) {
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// Chat already exists
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res.status(200).send({chat});
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} else {
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if (!getUserFromDB(id1) || !getUserFromDB(id2)) {
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res.status(404).send({message: 'Such interlocutor does not exist'});
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} else {
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// Creating new chat
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const newChat = {
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id1: id1,
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id2: id2,
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messages: []
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}
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addChatToDB(newChat);
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res.status(200).send({newChat});
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}
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}
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})
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chatRouter.get('/list/:id', (req, res) => {
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const { id } = req.params;
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const userChats = getUsersChats(id);
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if (!userChats) {
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res.status(404).send({message: 'Error with retrieving chats'});
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} else {
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res.status(200).send({chats: userChats});
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}
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})
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chatRouter.post('/message/:sender/:receiver', (req, res) => {
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const { sender, receiver } = req.params;
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const { message } = req.body;
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const chat = getChatFromDB(sender, receiver);
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if (!chat) {
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// Chat already exists
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res.status(400).send({message: "Such chat does not exist"});
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} else {
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if (!getUserFromDB(sender) || !getUserFromDB(receiver)) {
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res.status(404).send({message: 'Such people do not exist'});
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} else {
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// Add new message
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addMessageToChat(chat, message);
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res.status(200).send({});
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}
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}
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})
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