В роботі

Create a dynamic script to scrape multiple websites.

Create a dynamic script in NodeJS to scrape 15+ sites using configurable json.

Requirement:

-Should be able to scrape lazy loading sites

-Download images

-Go through all pagination pages and scrape the child pages

-If element is a product link "click" that link and scrape that child page

-Get all below elements and retrieve correctly

See below for understanding how to set it up.

//Example configurable object

[

site1: {

url: "[url removed, login to view]",

parent: {

productList: "div.product-list",

product-link: "a.product-url",

product-name: ".product-info .product-title",

product-image: ".product-images img[src attribute]",

product-price: {

list-price: ".product-price span.old-price",

sale-price: ".product-price [url removed, login to view]"

}

pagination: "button.load-more-btn",

product-page: {

name: "form#product h1",

price: {

list-price: ".price .old",

sale-price: ".price new"

},

colors: "#options-articles li",

sizes: "#options-variants li",

description: ".description p",

images: {

main: "#images .product-image-box img[src attribute]",

thumbs: "#images .thumbs .product-thumbs li"

}

}

...

}

},

site2: {

Similar to above Site1

...

}

...

]

==================================================================================

//Product Class

Class Product() {

Product(name, link, image, price, colors, sizes, description) {

[url removed, login to view] = name;

[url removed, login to view] = image;

[url removed, login to view] = price;

[url removed, login to view] = colors;

[url removed, login to view] = sizes;

[url removed, login to view] = description;

}

}

===================================================================================

//Main Scraper Class

Class Scraper() {

Scraper(site) {

[url removed, login to view] = site;

}

getName(attr) {

return name value;

}

getLink(attr) {

return link value;

}

getMainImage(attr) {

return main value;

}

getThumbImages(attr) {

return thumb array;

}

getPrice(attr) {

return Price Object(list, sale);

}

getColor(attr) {

return Colors array;

}

getSizes(attr) {

return Sizes array;

}

getName(attr) {

return desc value;

}

hasPagination() {

if([url removed, login to view] element exist)

//scrape all pagination pages to the last page

}

downloadImage() {

if([url removed, login to view] element exist)

//download image

src = getImage();

download(src);

}

getProductInfo(product) {

//Go to product page and scrape using "product-page" attribute from json sample.

return {

name: String,

price {

old: String

new: String

},

images : {

main: String src,

thumbs: [array]

},

sizes: [array],

colors: [array],

description: String

}

}

getListOfProducts() {

//Use [url removed, login to view] to get listOfProducts

ArrayOfProducts = [];

for( items in listOfProducts ){

//create new product

product = new Product( getProductInfo() );

//add it to list

[url removed, login to view]( product );

}

}

}

Навички: Java, Javascript, node.js, Python, Веб-скрапінг

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Про роботодавця:
( 1 відгук ) San Jose, United States

ID Проекту: #15659228

Доручено:

AndrejStastny

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mantislin

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