image_crawler/digikala.js

128 lines
4.2 KiB
JavaScript

// digikala.js
const fetch = require("node-fetch");
/**
* Search products on Digikala by query
*/
async function searchDigikala(query, limit = 12) {
if (!query) return [];
try {
const encodedQuery = encodeURIComponent(query);
const url = `https://api.digikala.com/v3/search/?q=${encodedQuery}`;
const headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"Accept": "application/json",
"Accept-Language": "en-US,en;q=0.9,fa;q=0.8"
};
const response = await fetch(url, { headers });
if (!response.ok) {
console.error(`Digikala API error: ${response.status} ${response.statusText}`);
return [];
}
const data = await response.json();
if (!data.data || !data.data.products || !Array.isArray(data.data.products)) {
return [];
}
return data.data.products.slice(0, limit).map(item => {
const title = decodeURIComponent(escape(item.title_fa || item.title || "بدون عنوان"));
const price = item.default_variant?.price?.selling_price ||
item.default_variant?.price?.rrp ||
"—";
const formattedPrice = price !== "—" ?
new Intl.NumberFormat('fa-IR').format(price) + " تومان" :
"—";
const image = item.images?.main?.url ||
item.images?.gallery?.[0]?.url ||
"https://via.placeholder.com/150";
const link = `https://www.digikala.com${item.url?.uri || ''}`;
const category = item.category?.title_fa || item.category?.title || "—";
const description = item.description || item.short_description || "";
return {
title,
category,
price: formattedPrice,
image,
description,
link
};
});
} catch (err) {
console.error("Digikala API error:", err.message);
return [];
}
}
/**
* Fetch a single product by its numeric ID
*/
async function getProductById(productId) {
if (!productId) return null;
try {
const url = `https://api.digikala.com/v2/product/${productId}/`;
const headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"Accept": "application/json",
"Accept-Language": "en-US,en;q=0.9,fa;q=0.8"
};
const response = await fetch(url, { headers });
if (!response.ok) {
console.error(`Digikala product API error: ${response.status} ${response.statusText}`);
return null;
}
const data = await response.json();
if (!data.data?.product) {
console.warn("Product data not found in response");
return null;
}
const product = data.data.product;
// Title
const title = product.title_fa || product.title || "بدون عنوان";
// Image
const image = product.images?.main?.url || product.images?.gallery?.[0]?.url || "https://via.placeholder.com/150";
// Description
const description = product.description || product.short_description || "توضیحاتی موجود نیست.";
// Price
let price = "—";
if (product?.default_variant?.price?.selling_price) {
price = product.default_variant.price.selling_price;
} else if (product?.variants?.length > 0 && product.variants[0]?.price?.selling_price) {
price = product.variants[0].price.selling_price;
}
const formattedPrice = price !== "—"
? new Intl.NumberFormat('fa-IR').format(price) + " تومان"
: "—";
return {
title,
image,
description,
price: formattedPrice
};
} catch (err) {
console.error("Error fetching product by ID:", err.message);
return null;
}
}
module.exports = { searchDigikala, getProductById };