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Interface and Class Exercise
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Interface and Class Exercise
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Interface and Class Exercise
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index.ts
run
preview
console
// Wrapping up our Dashboard
// 1. Create All the other interfaces you think are needed for this board
// 2. Using the Class, visually show the main Image above the review button.
import { showReviewTotal, populateUser, showDetails, getTopTwoReviews} from './utils'
import { Price, Country } from './types'
import { Permissions , LoyaltyUser } from './enums'
import Review from './interfaces'
const propertyContainer = document.querySelector('.properties')
const reviewContainer = document.querySelector('.reviews')
const container = document.querySelector('.container')
const button = document.querySelector('button')
const footer = document.querySelector('.footer')

let isLoggedIn: boolean

enum Permissions {
ADMIN = 'ADMIN',
READ_ONLY = 'READ_ONLY'
}

enum LoyaltyUser {
GOLD_USER = 'GOLD_USER',
SILVER_USER = 'SILVER_USER',
BRONZE_USER = 'BRONZE_USER'
}

interface Review {
name: string;
stars: number;
loyaltyUser: LoyaltyUser;
date: string;
}

// Reviews
const reviews: Review[] = [
{
name: 'Sheila',
stars: 5,
loyaltyUser: LoyaltyUser.GOLD_USER,
date: '01-04-2021'
},
{
name: 'Andrzej',
stars: 3,
loyaltyUser: LoyaltyUser.BRONZE_USER,
date: '28-03-2021'
},
{
name: 'Omar',
stars: 4,
loyaltyUser: LoyaltyUser.SILVER_USER,
date: '27-03-2021',
},
]

const you = {
firstName: 'Bobby',
lastName: 'Brown',
permissions: Permissions.ADMIN,
isReturning: true,
age: 35,
stayedAt: ['florida-home', 'oman-flat', 'tokyo-bungalow']
}

// Array of Properties
const properties : {
image: string;
title: string;
price: number;
location: {
firstLine: string;
city: string;
code: number;
country: string;
};
contact: [ number, string ];
isAvailable: boolean;
}[] = [
{
image: 'images/colombia-property.jpg',
title: 'Colombian Shack',
price: 45,
location: {
firstLine: 'shack 37',
city: 'Bogota',
code: 45632,
country: 'Colombia'
},
contact: [+112343823978921, 'marywinkle@gmail.com'],
isAvailable: true
},
{
image: 'images/poland-property.jpg',
title: 'Polish Cottage',
price: 34,
location: {
firstLine: 'no 23',
city: 'Gdansk',
code: 343903,
country: 'Poland'
},
contact: [+1298239028490830, 'garydavis@hotmail.com'],
isAvailable: false
},
{
image: 'images/london-property.jpg',
title: 'London Flat',
price: 23,
location: {
firstLine: 'flat 15',
city: 'London',
code: 35433,
country: 'United Kingdom',
},
contact: [+34829374892553, 'andyluger@aol.com'],
isAvailable: true
}
]

// Functions
showReviewTotal(reviews.length, reviews[0].name, reviews[0].loyaltyUser)

populateUser(you.isReturning, you.firstName)

// Add the properties
for (let i = 0; i < properties.length; i++) {
const card = document.createElement('div')
card.classList.add('card')
card.innerHTML = properties[i].title
const image = document.createElement('img')
image.setAttribute('src', properties[i].image)
card.appendChild(image)
showDetails(you.permissions, card, properties[i].price)
propertyContainer.appendChild(card)
}

let count = 0
function addReviews(array : Review[]) : void {
if (!count ) {
count++
const topTwo = getTopTwoReviews(array)
for (let i = 0; i < topTwo.length; i++) {
const card = document.createElement('div')
card.classList.add('review-card')
card.innerHTML = topTwo[i].stars + ' stars from ' + topTwo[i].name
reviewContainer.appendChild(card)
}
container.removeChild(button)
}
}

button.addEventListener('click', () => addReviews(reviews))

let currentLocation : [string, string, number] = ['London', '11.03', 17]
footer.innerHTML = currentLocation[0] + ' ' + currentLocation[1] + ' ' + currentLocation[2] + '°'

// Classes
class MainProperty {
src: string
title: string
reviews: Review[]
constructor(src: string, title: string, reviews: Review[]) {
this.src = src
this.title = title
this.reviews = reviews
}
}

let yourMainProperty new MainProperty()

const mainImageContainer = document.querySelector('.main-image')
const image = document.createElement('img')
image.setAttribute('src', yourMainProperty.src)
mainImageContainer.appendChild(image)
Console
TypeError: Cannot read property 'src' of undefined (/index.ts:172)
,
/index.html
-7:02