feat: complete tasks 1 to 15

routes/index.js

@@ -1,9 +1,165 @@
-var express = require('express');
+var express = require("express");
 var router = express.Router();
+var path = require("path");
+const fetch = require("node-fetch");
+const fs = require("fs");
+const airportData = JSON.parse(
+  fs.readFileSync(path.join(__dirname, "../airportdata.json"), "utf8")
+);
+const db = require("../models");
+const { create } = require("xmlbuilder2");
 
 /* GET home page. */
-router.get('/', function(req, res, next) {
-  res.render('index', { title: 'Express' });
+router.get("/", function (req, res, next) {
+  res.sendFile(path.join(__dirname, "../views/index.html"));
+});
+
+// Weather API route
+router.get("/api/weather", async function (req, res) {
+  try {
+    // Replace with your actual API key and city
+    const apiKey = process.env.WEATHER_API_KEY;
+    const city = "Toronto";
+    const url = `http://api.weatherapi.com/v1/current.json?key=${apiKey}&q=${city}&aqi=no`;
+    const response = await fetch(url);
+    if (!response.ok) throw new Error("Weather API error");
+    const data = await response.json();
+    const temp_c = data.current.temp_c;
+    const text = data.current.condition.text.toLowerCase();
+    let condition = "sunny";
+    if (text.includes("rain")) condition = "rain";
+    else if (text.includes("snow")) condition = "snow";
+    res.json({ temp_c, condition });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch weather" });
+    console.error(err);
+  }
+});
+
+// UTC time API route
+router.get("/api/utc", function (req, res) {
+  res.json({ utc: new Date().toISOString() });
+});
+
+// Autocomplete airports
+router.get("/airports", function (req, res) {
+  const search = (req.query.search || "").trim();
+  if (search.length < 3) {
+    return res
+      .status(400)
+      .json({ error: "Search term must be at least 3 characters" });
+  }
+  const term = search.toLowerCase();
+  const matches = airportData
+    .filter(
+      (a) =>
+        (a.name && a.name.toLowerCase().includes(term)) ||
+        (a.code && a.code.toLowerCase().includes(term))
+    )
+    .slice(0, 10);
+  res.json(matches);
+});
+
+// Log analytic event
+router.post("/analytic", async function (req, res) {
+  try {
+    const { widget_name, browser_type } = req.body;
+    if (!widget_name || !browser_type) {
+      return res
+        .status(400)
+        .json({ error: "widget_name and browser_type required" });
+    }
+    await db.analytic.create({ widget_name, browser_type });
+    res.json({ success: true });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to log analytic" });
+  }
+});
+
+// Count analytic rows
+router.get("/analytic/count", async function (req, res) {
+  try {
+    const count = await db.analytic.count();
+    res.json({ count });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to count analytics" });
+  }
+});
+
+// Export analytic as XML
+router.get("/analytic/export", async function (req, res) {
+  try {
+    const analytics = await db.analytic.findAll({ raw: true });
+    const root = create({ version: "1.0" }).ele("analytics");
+    analytics.forEach((a) => {
+      root
+        .ele("analytic")
+        .ele("id")
+        .txt(a.id)
+        .up()
+        .ele("create_at")
+        .txt(a.create_at)
+        .up()
+        .ele("widget_name")
+        .txt(a.widget_name)
+        .up()
+        .ele("browser_type")
+        .txt(a.browser_type)
+        .up()
+        .up();
+    });
+    const xml = root.end({ prettyPrint: true });
+    res.set("Content-Type", "application/xml");
+    res.set("Content-Disposition", 'attachment; filename="analytics.xml"');
+    res.send(xml);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to export analytics" });
+  }
+});
+
+// Reddit widget route
+router.get("/reddit", async function (req, res) {
+  try {
+    const response = await fetch("https://www.reddit.com/r/programming.json");
+    if (!response.ok) throw new Error("Reddit API error");
+    const data = await response.json();
+    const posts = (data.data.children || [])
+      .map((c) => c.data)
+      .filter((_, i) => i % 2 === 0)
+      .slice(0, 4)
+      .map((post) => ({
+        title: post.title,
+        url: "https://reddit.com" + post.permalink,
+        author: post.author,
+      }));
+    res.json(posts);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch reddit posts" });
+  }
+});
+
+// Coin calculator route
+router.post("/coin-calc", function (req, res) {
+  try {
+    let { amount } = req.body;
+    amount = parseFloat(amount);
+    if (isNaN(amount) || amount < 0)
+      return res.status(400).json({ error: "Invalid amount" });
+    const denoms = [20, 10, 5, 1, 0.25, 0.1, 0.05, 0.01];
+    const result = [];
+    let remaining = Math.round(amount * 100); // work in cents
+    for (let d of denoms) {
+      let denomCents = Math.round(d * 100);
+      let count = Math.floor(remaining / denomCents);
+      if (count > 0) {
+        result.push({ denomination: d, count });
+        remaining -= count * denomCents;
+      }
+    }
+    res.json(result);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to calculate coins" });
+  }
 });
 
 module.exports = router;