chore: 현재 작업 중간 커밋

src/crawlers/naver.js

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+"use strict";
+
+const { withBrowser, navigateWithHumanBehavior, extractPricesFromPage } = require("./baseCrawler");
+
+/**
+ * Formats a date as YYYYMMDD for Naver Flights URLs.
+ */
+function getDStr(date) {
+  const d = new Date(date);
+  const yy = d.getFullYear();
+  const mm = String(d.getMonth() + 1).padStart(2, "0");
+  const dd = String(d.getDate()).padStart(2, "0");
+  return `${yy}${mm}${dd}`;
+}
+
+/**
+ * Maps internal cabin class to Naver fareType code.
+ *   economy → Y, premium_economy → P, business → C, first → F
+ */
+function getFareType(byCabin) {
+  if (byCabin.first > 0) return "F";
+  if (byCabin.business > 0) return "C";
+  if (byCabin.premium_economy > 0) return "P";
+  return "Y";
+}
+
+/**
+ * Builds a Naver Flights URL from structured search params.
+ *
+ * Round-trip format:
+ *   /flights/international/ICN-NRT-20260315/NRT-ICN-20260322?adult=1&fareType=Y
+ *
+ * Multi-city format:
+ *   /flights/multi?itinerary=ICN:NRT:20260315,NRT:ICN:20260322&adult=1&fareType=Y
+ *
+ * One-way format:
+ *   /flights/international/ICN-NRT-20260315?adult=1&fareType=Y
+ */
+function buildNaverUrl(searchParams) {
+  const segments = searchParams.segments || [];
+  if (segments.length === 0) return "https://flight.naver.com";
+
+  const tripType = searchParams.tripType;
+  const adults = searchParams.passengers?.total || 1;
+  const byCabin = searchParams.passengers?.byCabin || {};
+  const fareType = getFareType(byCabin);
+
+  const today = new Date();
+  const tomorrow = new Date(today);
+  tomorrow.setDate(tomorrow.getDate() + 1);
+
+  if (tripType === "round_trip") {
+    const from = segments[0].from.toUpperCase();
+    const to = segments[0].to.toUpperCase();
+    const departDate = searchParams.departureDateWindow?.from || tomorrow;
+    const d1 = getDStr(departDate);
+
+    // Return date: use stayDurationDays if available, default to 7 days
+    const stayDays = searchParams.stayDurationDays?.minDays || 7;
+    const returnDate = new Date(departDate);
+    returnDate.setDate(returnDate.getDate() + stayDays);
+    const d2 = getDStr(returnDate);
+
+    // Naver round-trip: outbound segment / return segment (origin/dest reversed)
+    return `https://flight.naver.com/flights/international/${from}-${to}-${d1}/${to}-${from}-${d2}?adult=${adults}&fareType=${fareType}`;
+  }
+
+  if (tripType === "multi_city") {
+    // Naver multi-city: /flights/multi?itinerary=ICN:NRT:20260315,NRT:ICN:20260322
+    let currentBaseDate = new Date(searchParams.departureDateWindow?.from || tomorrow);
+    const itineraryParts = [];
+    for (const seg of segments) {
+      itineraryParts.push(`${seg.from.toUpperCase()}:${seg.to.toUpperCase()}:${getDStr(currentBaseDate)}`);
+      currentBaseDate.setDate(currentBaseDate.getDate() + 3);
+    }
+    return `https://flight.naver.com/flights/multi?itinerary=${itineraryParts.join(",")}&adult=${adults}&fareType=${fareType}`;
+  }
+
+  // one_way
+  const from = segments[0].from.toUpperCase();
+  const to = segments[0].to.toUpperCase();
+  const d1 = searchParams.departureDateWindow?.from ? getDStr(searchParams.departureDateWindow.from) : getDStr(tomorrow);
+  return `https://flight.naver.com/flights/international/${from}-${to}-${d1}?adult=${adults}&fareType=${fareType}`;
+}
+
+async function scrapeNaver(searchParams) {
+  const url = buildNaverUrl(searchParams);
+  console.log(`[Naver] Navigating to ${url}`);
+
+  return withBrowser(async (page) => {
+    await navigateWithHumanBehavior(page, url);
+
+    // Wait for price elements with generic selectors
+    try {
+      await page.waitForSelector('[class*="price"], [class*="Price"], [class*="fare"]', { timeout: 15000 });
+    } catch (e) {
+      console.log("[Naver] Timeout waiting for price elements.");
+    }
+
+    // Extract prices using generic Korean won patterns
+    const prices = await extractPricesFromPage(page);
+
+    if (prices.length === 0) {
+      console.log("[Naver] No prices found on page.");
+      return [];
+    }
+
+    return prices.map((price, i) => ({
+      provider: "naver",
+      price,
+      currency: "KRW",
+      metadata: { url, rank: i + 1 },
+    }));
+  });
+}
+
+module.exports = { scrapeNaver, buildNaverUrl };