node-red-contrib-whatsapp-link/group-out.js

module.exports = function(RED) {
    function WhatsappGroupOut(config) {
        RED.nodes.createNode(this,config);
        var node = this;
        node.number = config.gID;
        var whatsappLinkNode = RED.nodes.getNode(config.whatsappLink);
        node.waClient = whatsappLinkNode.client;
        const { MessageMedia } = require('whatsapp-web.js')

        let SetStatus = function(WAStatus, color){
            node.status({fill:color,shape:"dot",text:WAStatus});
        };
        const delay = ms => new Promise(resolve => setTimeout(resolve, ms));

        async function whatsappMessage(numb , inputMessage){
            numb = typeof numb ==='number' ? numb : numb.replace(/\D/g, '');
            if (node.waClient.clientType === "waWebClient"){
                try {
                    numb = `${numb}@g.us`;
                    node.waClient.sendMessage(numb, inputMessage);
                }
                catch(e) {
                    node.log(`Error Sending Msg: ${e}`);
                }
            } 
            else if (node.waClient.clientType === "waSocketClient"){
                try {
                    let client = await node.waClient;
                    numb = `${numb}@g.us`;
                    const msgStatus = await client.sendMessage(numb, {text : inputMessage});
                }
                catch(e) {
                    node.log(`Error Sending Msg: ${e}`);
                }
            } 
            else { 
                node.log(`Error Sending Msg: ${e}`)
            }
            SetStatus("Message Send.", "green");
            setTimeout(()=>{
                SetStatus('Connected','green');
            }, 2000)
        };

        function whatsappMultiMediaMessage(numb, whatsappImage, whatsappCaption){
            try {
                numb = node.number;
                whatsappImage = whatsappImage.split(',')[1] || whatsappImage;
                var myMessage = new MessageMedia('image/png', whatsappImage, null, null);
                numb = typeof numb ==='number' ? numb : numb.replace(/\D/g, '');
                numb = `${numb}@g.us`;
                node.waClient.sendMessage(numb, myMessage, {caption : whatsappCaption || "Image from Node-Red"});
                SetStatus("Message Send.", "green");
                setTimeout(()=>{
                    SetStatus('Connected','green');
                }, 2000)
            } catch(e) {
                node.log(`Error sending MultiMedia Message : ${e}`)
            }
        };

        node.on('input', (message)=> {
            if (node.number){
                if (message.image){
                    whatsappMultiMediaMessage(node.number, message.image, message.payload);       
                } 
                else { 
                    whatsappMessage(node.number, message.payload);
                }

            } else if (message.toNumber){
                var numbers = typeof message.toNumber === 'number' ? Array.of(message.toNumber) : message.toNumber;
                for (number of numbers) {
                    if(message.image){
                        whatsappMultiMediaMessage(number, message.image, message.payload)
                        delay(2000);

                    } else {
                        whatsappMessage(number, message.payload)
                        delay(2000)
                    }
                }
            } else {
                SetStatus("No number","red");
                setTimeout(()=>{
                    SetStatus('Connected','green');
                }, 5000)
            }
        });

        //whatsapp Status Parameters----
        if (node.waClient.clientType === "waWebClient"){
            node.waClient.on('qr', (qr) => {
                SetStatus("QR Code Generated", "yellow");
            });
            
            node.waClient.on('auth_failure', () => {
                SetStatus('Not Connected','red');
            });
                    
            node.waClient.on('loading_screen', () => {
                SetStatus('Connecting...','yellow');
            });
            
            node.waClient.on('ready', () => {
                SetStatus('Connected','green');
            });

            node.waClient.on('disconnected', () => {
                SetStatus("Disconnected","red");
            });

        } else if (node.waClient.clientType === "waSocketClient"){
            async function checkStatusOfSockets(){
                let client = await node.waClient;
                client.ev.on('connection.update', (updates)=>{
                    var {connection} = updates
                    if(connection === 'open'){
                        SetStatus("Connected", "green");
                    }
                    else if(updates.isOnline){
                        SetStatus("Connected", "green");
                    }
                    else if(connection === 'close'){
                        SetStatus("Disconnected", "red");
                    }
                    else if(connection === 'connecting'){
                        SetStatus("Connecting...", "yellow");
                    }
                    else if(updates.is){
                        SetStatus("Scan QR Code to Connect.", "yellow");
                    }
                })
            }
            checkStatusOfSockets();

        }







        // node.on('input', (message)=> {
        //     if(node.gID){
        //         try {
        //             node.gID = node.gID.replace(/\D/g, '');
        //             node.gID = `${node.gID}@g.us`;
        //             node.waClient.sendMessage(node.gID, message.payload);
        //             SetStatus("Message Send.", "green");
        //             setTimeout(()=>{
        //                 SetStatus('Connected','green');
        //             }, 3000)
        //         }
        //         catch(e) {
        //             node.log(`Error Sending Msg: ${e}`);
        //         };
        //     }
        //     else {
        //         SetStatus("No Chat-ID","red");
        //         setTimeout(()=>{
        //             SetStatus('Connected','green');
        //         }, 5000)
        //     };
        // });

        //whatsapp Status Parameters----
        node.waClient.on('qr', (qr) => {
            SetStatus("QR Code Generated", "yellow");
        });
        
        node.waClient.on('auth_failure', () => {
            SetStatus('Not Connected','red');
        });
                
        node.waClient.on('loading_screen', () => {
            SetStatus('Connecting...','yellow');
        });
        
        node.waClient.on('ready', () => {
            SetStatus('Connected','green');
        });

        node.waClient.on('disconnected', () => {
            SetStatus("Disconnected","red");
        });

    }
    RED.nodes.registerType("group-out", WhatsappGroupOut);
}