instructors.js

const fs = require('fs')
const data = require("./data.json")
const { age, date } = require("./utils")

exports.index = function (req, res) {
    return res.render('instructors/index', { instructors: data.instructors })
}

exports.show = function (req, res) {
    // req.query.id = instructors?id=1
    // req.body.id = formulário
    // req.params.id = instructors/1 / instructors/:id

    const { id } = req.params

    const foundInstructors = data.instructors.find(function (instructor) {
        return instructor.id == id
    })

    if (!foundInstructors)
        return res.send("Instructor not found!")

    const instructor = {
        ...foundInstructors,
        age: age(foundInstructors.birth),
        services: foundInstructors.services.split(","),
        created_at: new Intl.DateTimeFormat("pt-BR").format(foundInstructors.created_at)
    }

    return res.render('instructors/show', { instructor })
}

exports.post = function (req, res) {

    const keys = Object.keys(req.body)

    for (key of keys) {
        if (req.body[key] == "")
            return res.send(`Preencha o campo ${key}`)
    }

    let { avatar_url, birth, name, services, gender } = req.body

    birth = Date.parse(birth)
    const created_at = Date.now()
    const id = Number(data.instructors.length + 1)

    data.instructors.push({
        id,
        avatar_url,
        name,
        birth,
        gender,
        services,
        created_at
    })

    fs.writeFile("data.json", JSON.stringify(data, null, 2), function (err) {
        if (err) return res.send("Write file error")

        return res.redirect('/instructors')
    })

    // return res.send(req.body)
}

exports.edit = function (req, res) {

    const { id } = req.params

    const foundInstructors = data.instructors.find(function (instructor) {
        return instructor.id == id
    })

    if (!foundInstructors) return res.send("Instructor not found!")

    const instructor = {
        ...foundInstructors,
        birth: date(foundInstructors.birth)
    }

    return res.render('instructors/edit', { instructor })
}

exports.put = function (req, res) {
    const { id } = req.body
    let index = 0

    const foundInstructors = data.instructors.find(function (instructor, foundIndex) {
        if (id == instructor.id) {
            index = foundIndex
            return true
        }
    })

    if (!foundInstructors) return res.send("Instructor not found!")

    const instructor = {
        ...foundInstructors,
        ...req.body,
        birth: Date.parse(req.body.birth),
        id: Number(req.body.id)
    }

    data.instructors[index] = instructor

    fs.writeFile('data.json', JSON.stringify(data, null, 2), function (err) {
        if (err) return res.send("Write error!")

        return res.redirect(`/instructors/${id}`)
    })

}

exports.delete = function (req, res) {
    const { id } = req.body

    const filteredInstructors = data.instructors.filter(function (instructor) {
        return instructor.id != id
    })

    data.instructors = filteredInstructors

    fs.writeFile("data.json", JSON.stringify(data, null, 2), function (err) {
        if (err) return res.send("Write file error!")

        return res.redirect("/instructors")
    })
}