39 lines
781 B
JavaScript
39 lines
781 B
JavaScript
// services/seller/sellerService.js
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const { findSellerByDomain } = require("../db/seller.db")
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function normalizeDomain(hostname) {
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return hostname.replace(/^www\./, "")
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}
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async function findSellerFromLink(url) {
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let hostname
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try {
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hostname = new URL(url).hostname
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} catch {
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return null
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}
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const domain = normalizeDomain(hostname)
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const seller = await findSellerByDomain(domain)
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if (seller) {
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return seller
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}
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const domainParts = domain.split(".")
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for (let i = 1; i <= domainParts.length - 2; i += 1) {
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const parentDomain = domainParts.slice(i).join(".")
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const parentSeller = await findSellerByDomain(parentDomain)
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if (parentSeller) {
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return parentSeller
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}
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}
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return null
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}
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module.exports = {
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findSellerFromLink,
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}
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