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dmv.js
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dmv.js
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const crypto = require("crypto")
const fs = require("fs")
const gm = require("gm")
const path = require("path")
var applications = []
let color = "#1f2a64"
let fontsize = 230
let offset = 70
function draw(text, file) {
return new Promise((resolve, reject) => {
let plate = gm(path.join(__dirname, "data", "plate.png")).fill(color)
plate.font(path.join(__dirname, "data", "fontface.ttf"), fontsize)
plate.drawText(0, offset, text, "center")
plate.write(file, (error) => {
if (error) {
reject(error)
}
resolve()
})
})
}
async function generate() {
let file = path.join(__dirname, "temp", crypto.randomBytes(16).toString("hex") + ".png")
let plate = applications[Math.floor(Math.random() * applications.length)]
await draw(plate.text, file).catch((error) => console.error(error))
return {
"file": file,
"text": plate.text,
"status": plate.status,
"customer": (plate.customer.length == 0 ? "(no reason specified)" : plate.customer),
"dmv": (plate.dmv.length == 0 ? "(no reason specified)" : plate.dmv)
}
}
async function remove(plate) {
let index = applications.findIndex((application) => {
return application.text == plate.text
})
applications.splice(index, 1)
fs.unlinkSync(plate.file)
fs.writeFileSync(path.join(__dirname, "data", "applications.dirty.json"), JSON.stringify(applications))
}
function initialize() {
if (!fs.existsSync(path.join(__dirname, "data"))) {
throw "Bad install"
}
if (!fs.existsSync(path.join(__dirname, "temp"))) {
fs.mkdirSync(path.join(__dirname, "temp"))
}
if (!fs.existsSync(path.join(__dirname, "data", "applications.dirty.json"))) {
fs.copyFileSync(path.join(__dirname, "data", "applications.json"), path.join(__dirname, "data", "applications.dirty.json"))
}
applications = require(path.join(__dirname, "data", "applications.dirty.json"))
}
module.exports = { draw, generate, remove, initialize }