Initial commit

functions/.eslintrc.js

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+module.exports = {
+  env: {
+    es6: true,
+    node: true,
+  },
+  parserOptions: {
+    "ecmaVersion": 2018,
+  },
+  extends: [
+    "eslint:recommended",
+    "google",
+  ],
+  rules: {
+    "no-restricted-globals": ["error", "name", "length"],
+    "prefer-arrow-callback": "error",
+    "quotes": ["error", "double", {"allowTemplateLiterals": true}],
+  },
+  overrides: [
+    {
+      files: ["**/*.spec.*"],
+      env: {
+        mocha: true,
+      },
+      rules: {},
+    },
+  ],
+  globals: {},
+};

functions/.gitignore

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+node_modules/
+*.local

functions/index.js

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+const {onRequest} = require("firebase-functions/v2/https");
+const {onDocumentCreated} = require("firebase-functions/v2/firestore");
+const admin = require("firebase-admin");
+
+admin.initializeApp();
+const db = admin.firestore();
+
+// HTTP test
+exports.helloWorld = onRequest((req, res) => {
+  res.send("Hello from Firebase!");
+});
+
+// Trigger on new ride created
+exports.onRideCreated = onDocumentCreated("rides/{rideId}", async (event) => {
+  const ride = event.data.data();
+  const rideId = event.params.rideId;
+
+  console.log("🚕 New ride created:", rideId);
+
+  if (ride.driverId) {
+    console.log("Ride already has driver — skipping.");
+    return;
+  }
+
+  const driversSnap = await db
+      .collection("users")
+      .where("role", "==", "driver")
+      .where("active", "==", true)
+      .get();
+
+  if (driversSnap.empty) {
+    console.log("❌ No drivers are active right now.");
+    return;
+  }
+
+  const messaging = admin.messaging();
+  let count = 0;
+
+  for (const doc of driversSnap.docs) {
+    const driver = doc.data();
+
+    if (!driver.fcmToken) continue;
+
+    const message = {
+      token: driver.fcmToken,
+      notification: {
+        title: "New Ride Request",
+        body:
+          `${ride.sourceLocationName} ➝ ` +
+          `${ride.destinationLocationName}`.slice(0, 80), // max-len safe
+      },
+      data: {
+        rideId,
+        type: "NEW_RIDE",
+      },
+    };
+
+    try {
+      await messaging.send(message);
+      count++;
+    } catch (err) {
+      console.log("FCM Error:", err);
+    }
+  }
+
+  console.log(`📨 Sent ride request to ${count} drivers.`);
+});

functions/package.json

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+{
+  "name": "functions",
+  "description": "Cloud Functions for Firebase",
+  "scripts": {
+    "lint": "eslint .",
+    "serve": "firebase emulators:start --only functions",
+    "shell": "firebase functions:shell",
+    "start": "npm run shell",
+    "deploy": "firebase deploy --only functions",
+    "logs": "firebase functions:log"
+  },
+  "engines": {
+    "node": "20"
+  },
+  "main": "index.js",
+  "dependencies": {
+    "firebase-admin": "^11.10.0",
+    "firebase-functions": "^4.4.0"
+  },
+  "devDependencies": {
+    "eslint": "^8.15.0",
+    "eslint-config-google": "^0.14.0",
+    "firebase-functions-test": "^3.4.1"
+  },
+  "private": true
+}