Migrate from moment to date-fns and some changes

backend/src/controllers/contact.js

@@ -0,0 +1,67 @@
+const Contact = require("../models/Contact");
+const Message = require("../models/Message");
+const Sequelize = require("sequelize");
+const { getIO } = require("../libs/socket");
+const { getWbot } = require("./wbot");
+
+exports.getContacts = async (req, res) => {
+	const { searchParam = "" } = req.query;
+
+	const lowerSerachParam = searchParam.toLowerCase();
+
+	const whereCondition = {
+		name: Sequelize.where(
+			Sequelize.fn("LOWER", Sequelize.col("name")),
+			"LIKE",
+			"%" + lowerSerachParam + "%"
+		),
+	};
+
+	//todo >> add contact number to search where condition
+
+	const contacts = await Contact.findAll({
+		where: whereCondition,
+		attributes: {
+			include: [
+				[
+					Sequelize.literal(`(
+			        SELECT COUNT(*)
+			        FROM messages AS message
+			        WHERE
+			            message.contactId = contact.id
+			            AND
+			            message.read = 0
+
+			    )`),
+					"unreadMessages",
+				],
+			],
+		},
+		order: [["updatedAt", "DESC"]],
+	});
+
+	return res.json(contacts);
+};
+
+exports.createContact = async (req, res) => {
+	const wbot = getWbot();
+	const io = getIO();
+	const { number, name } = req.body;
+
+	const result = await wbot.isRegisteredUser(`55${number}@c.us`);
+
+	if (!result) {
+		return res
+			.status(400)
+			.json({ error: "The suplied number is not a valid Whatsapp number" });
+	}
+	const profilePicUrl = await wbot.getProfilePicUrl(`55${number}@c.us`);
+
+	const contact = await Contact.create({
+		name,
+		number: `55${number}`,
+		profilePicUrl,
+	});
+
+	res.status(200).json(contact);
+};