Proper implementation of javascript Promises Chaining [closed]

1

I made an implementation of Javascript Promises and I would like you to give me feedback on how I did it. I think I'm not doing it correctly in terms of chainning, also because in the code I have several levels of indentation. They almost look like Callbacks

var voladura = ctx.match[0].toUpperCase();

playground.getTelegramFileId(voladura)
.then(volObj=>{
    ctx.replyWithChatAction('upload_photo');
    ctx.replyWithPhoto(volObj.file_id,{
        caption: 'Pozos planeados: ${volObj.pozos_planeados}\n'
    })
    .then(results => {
        console.log('Voladura ${voladura} enviada')
    });
})
.catch(err =>{

    generateCanvas.createImageXLSXPro(voladura)
    .then((pozosObj)=> {
        ctx.replyWithChatAction('typing');
        ctx.replyWithPhoto({ source: fs.readFileSync('./images/${voladura}.png')},{
            caption: '⚫️ Pozos planeados: ${pozosObj.plan}'
        })
        .then((result) => {
            console.log(voladura);
            playground.saveTelegramFileId(voladura, pozosObj, result)
            .then(result => {
                console.log(result);
            });
            fs.exists('./images/${voladura}.png',(exists)=>{
                if (exists) {
                    fs.unlinkSync('./images/${voladura}.png');
                } else {
                    console.log('No se encontro la imagen ${voladura}.png')
                }
            });
        })
        .catch((err) => {
            console.log(err);
        });
    })
    .catch(err => {
        console.log(err);
        ctx.reply('No se encontraron datos de la voladura ${voladura}.                     
asked by Yomar 22.08.2018 в 21:28
source

0 answers