Initial commit: Holiday Travel App with resort comparison, trip management, and multi-provider search

lib/providers/index.ts

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+export * from "./yowDeals";
+export * from "./linkBuilders";

lib/providers/linkBuilders.ts

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+import type { Deal, SearchCriteria } from "../types";
+import { enumerateDatePairs } from "../date";
+
+function toLower(s: string) { return (s||"").toLowerCase(); }
+
+export async function buildSkyscannerLinks(c: SearchCriteria): Promise<Deal[]> {
+  const origin = toLower(c.origin);
+  const out: Deal[] = [];
+  const pairs = enumerateDatePairs(c.startDate, c.endDate, c.tripLengthMin, c.tripLengthMax, 6);
+
+  for (const dest of c.destinations) {
+    for (const p of pairs) {
+      const path = `https://www.skyscanner.ca/transport/flights/${origin}/${toLower(dest)}/${p.out}/${p.back}/`;
+      out.push({
+        id: `sky-${origin}-${dest}-${p.out}-${p.back}`,
+        title: `${c.origin} → ${dest} (${p.nights} nights)`,
+        source: "Skyscanner Link",
+        link: path,
+        price: null,
+        currency: c.currency || "CAD",
+        startDate: `${p.out.slice(0,4)}-${p.out.slice(4,6)}-${p.out.slice(6,8)}`,
+        endDate: `${p.back.slice(0,4)}-${p.back.slice(4,6)}-${p.back.slice(6,8)}`,
+        nights: p.nights,
+        origin: c.origin,
+        destination: dest,
+      });
+    }
+  }
+  return out;
+}
+
+export async function buildGoogleFlightsLinks(c: SearchCriteria): Promise<Deal[]> {
+  const out: Deal[] = [];
+  const pairs = enumerateDatePairs(c.startDate, c.endDate, c.tripLengthMin, c.tripLengthMax, 4);
+  for (const dest of c.destinations) {
+    for (const p of pairs) {
+      const q = encodeURIComponent(`flights from ${c.origin} to ${dest} ${p.out} to ${p.back}`);
+      const link = `https://www.google.com/travel/flights?q=${q}`;
+      out.push({
+        id: `gfl-${c.origin}-${dest}-${p.out}-${p.back}`,
+        title: `Google Flights: ${c.origin} → ${dest} (${p.nights} nights)`,
+        source: "Google Flights Link",
+        link,
+        price: null,
+        currency: c.currency || "CAD",
+        startDate: `${p.out.slice(0,4)}-${p.out.slice(4,6)}-${p.out.slice(6,8)}`,
+        endDate: `${p.back.slice(0,4)}-${p.back.slice(4,6)}-${p.back.slice(6,8)}`,
+        nights: p.nights,
+        origin: c.origin,
+        destination: dest,
+      });
+    }
+  }
+  return out;
+}
+
+export async function buildAirCanadaLinks(c: SearchCriteria): Promise<Deal[]> {
+  const out: Deal[] = [];
+  const pairs = enumerateDatePairs(c.startDate, c.endDate, c.tripLengthMin, c.tripLengthMax, 3);
+  for (const dest of c.destinations) {
+    for (const p of pairs) {
+      const sd = `${p.out.slice(0,4)}-${p.out.slice(4,6)}-${p.out.slice(6,8)}`;
+      const ed = `${p.back.slice(0,4)}-${p.back.slice(4,6)}-${p.back.slice(6,8)}`;
+      const params = new URLSearchParams({
+        org1: c.origin.toUpperCase(),
+        dest1: dest.toUpperCase(),
+        departureDate1: sd,
+        returnDate1: ed,
+        tripType: "2",
+        lang: "en-CA"
+      });
+      const link = `https://www.aircanada.com/ca/en/aco/home/book/travel.html?${params.toString()}`;
+      out.push({
+        id: `ac-${c.origin}-${dest}-${p.out}-${p.back}`,
+        title: `Air Canada: ${c.origin} → ${dest} (${p.nights} nights)`,
+        source: "Air Canada Link",
+        link,
+        price: null,
+        currency: c.currency || "CAD",
+        startDate: sd,
+        endDate: ed,
+        nights: p.nights,
+        origin: c.origin,
+        destination: dest,
+      });
+    }
+  }
+  return out;
+}
+
+export async function buildAirTransatLinks(c: SearchCriteria): Promise<Deal[]> {
+  const out: Deal[] = [];
+  const pairs = enumerateDatePairs(c.startDate, c.endDate, c.tripLengthMin, c.tripLengthMax, 3);
+  for (const dest of c.destinations) {
+    for (const p of pairs) {
+      const sd = `${p.out.slice(0,4)}-${p.out.slice(4,6)}-${p.out.slice(6,8)}`;
+      const ed = `${p.back.slice(0,4)}-${p.back.slice(4,6)}-${p.back.slice(6,8)}`;
+      // Air Transat vacation packages search
+      const params = new URLSearchParams({
+        depCity: c.origin.toUpperCase(),
+        destCode: dest.toUpperCase(),
+        depDate: sd,
+        retDate: ed,
+        adults: "2",
+        children: "0",
+        infants: "0"
+      });
+      const link = `https://www.airtransat.com/en-CA/flights-hotels?${params.toString()}`;
+      out.push({
+        id: `at-${c.origin}-${dest}-${p.out}-${p.back}`,
+        title: `Air Transat: ${c.origin} → ${dest} (${p.nights} nights)`,
+        source: "Air Transat Link",
+        link,
+        price: null,
+        currency: c.currency || "CAD",
+        startDate: sd,
+        endDate: ed,
+        nights: p.nights,
+        origin: c.origin,
+        destination: dest,
+      });
+    }
+  }
+  return out;
+}

lib/providers/yowDeals.ts

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+import * as cheerio from "cheerio";
+import type { Deal, SearchCriteria } from "../types";
+
+const SITE_BY_ORIGIN: Record<string, string> = {
+  "YOW": "https://www.yowdeals.com",
+  "YYZ": "https://www.yyzdeals.com",
+  "YUL": "https://www.yuldeals.com",
+  "YVR": "https://www.yvrdeals.com",
+  "YYC": "https://www.yycdeals.com",
+  "YEG": "https://www.yegdeals.com",
+};
+
+export async function fetchCityDeals(criteria: SearchCriteria): Promise<Deal[]> {
+  const site = SITE_BY_ORIGIN[(criteria.origin || "").toUpperCase()] || SITE_BY_ORIGIN["YOW"];
+  try {
+    const res = await fetch(site, { cache: "no-store" });
+    const html = await res.text();
+    const $ = cheerio.load(html);
+    const deals: Deal[] = [];
+
+    $("h2.post-title a, .post h2 a, .post-title a").each((_, el) => {
+      const title = $(el).text().trim();
+      const link = $(el).attr("href") || site;
+      const priceMatch = title.match(/\$\s?(\d+[\,\d+]*)/);
+      const price = priceMatch ? parseInt(priceMatch[1].replace(/,/g, "")) : null;
+      const id = `dealsite-${Buffer.from(link).toString("base64").slice(0,16)}`;
+      deals.push({
+        id,
+        title,
+        source: new URL(site).host.replace("www.",""),
+        link,
+        price,
+        currency: "CAD",
+        origin: criteria.origin.toUpperCase(),
+      });
+    });
+
+    return deals.slice(0, 20); // don't flood
+  } catch (e) {
+    return [];
+  }
+}