randomKeyGenerator() {
const letters = 'abcdefghijklmnopqrstuvwxyz0123456789'
let word = ''
for (let i = 0; i < 15; i++) {
word += letters.charAt(Math.floor(Math.random() * letters.length))
}
this.randomKey = word.substr(0, 5) + '-' + word.substr(5, 5) + '-' + word.substr(10, 5)
return this.randomKey.toUpperCase()
},