Merge https://github.com/Iraq-WBC-Capstones-2020/take-a-bus-web into …

…ahmed-alkheerow/issue69

api/.firebaserc

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+{
+  "projects": {
+    "default": "mapsproject-228715"
+  }
+}

api/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+firebase-debug.*.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+# .firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env

api/firebase.json

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+{}

api/functions/.gitignore

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+node_modules/

api/functions/index.js

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+const functions = require('firebase-functions');
+const admin = require('firebase-admin');
+const cors = require('cors')({ origin: true });
+const firebaseConfig = {
+  apiKey: 'AIzaSyC5oUqe1Y0-ZGy_tkTG7jwWx98-LGiVMRs',
+  authDomain: 'mapsproject-228715.firebaseapp.com',
+  databaseURL: 'https://mapsproject-228715.firebaseio.com',
+  projectId: 'mapsproject-228715',
+  storageBucket: 'mapsproject-228715.appspot.com',
+  messagingSenderId: '1052677426743',
+  appId: '1:1052677426743:web:9625bece8d88ca9474f9b2',
+  measurementId: 'G-BSTYSQ6D7Q',
+};
+
+admin.initializeApp(firebaseConfig);
+const turf = require('@turf/turf');
+
+// // Create and Deploy Your First Cloud Functions
+// // https://firebase.google.com/docs/functions/write-firebase-functions
+//
+exports.getRoutes = functions.https.onRequest(async (request, response) => {
+  cors(request, response, async () => {
+    // Only POST
+    if (request.method === 'POST') {
+      const { origin, destination } = request.body;
+      const routes = await getRoutes(origin, destination);
+      response.send(routes);
+    } else {
+      response.send('Unknown Method');
+    }
+  });
+});
+
+async function getRoutes(origin, destination) {
+  const originP = turf.point(origin);
+  const destP = turf.point(destination);
+
+  const distanceThreshold = 0.5; //kilometers
+
+  const options = { units: 'kilometers' };
+
+  const routes = [];
+  const routesSnapshot = await admin.firestore().collection('routes').get();
+  routesSnapshot.forEach((doc) => {
+    const route = { id: doc.id, ...doc.data() };
+    if (typeof route.path === 'string') route.path = JSON.parse(route.path);
+    const path = route.path;
+    const originDistance = turf.pointToLineDistance(originP, path, options);
+    const destDistance = turf.pointToLineDistance(destP, path, options);
+    const getInPoint = turf.nearestPointOnLine(path, originP, options);
+    const getOutPoint = turf.nearestPointOnLine(path, destP, options);
+    getInPoint.properties.type = 'start';
+    getOutPoint.properties.type = 'end';
+
+    if (
+      originDistance <= distanceThreshold &&
+      destDistance <= distanceThreshold
+    ) {
+      routes.push({
+        name: route.name,
+        availability: route.availability,
+        id: route.id,
+        path: turf.featureCollection([route.path, getInPoint, getOutPoint]),
+        originDistance,
+        destDistance,
+        totalDistance: originDistance + destDistance,
+        units: options.units,
+      });
+    }
+  });
+
+  for (const route of routes) {
+    const { id } = route;
+    const buses = await getBuses(id);
+    route.buses = buses;
+  }
+
+  routes.sort((a, b) => a.totalDistance - b.totalDistance);
+  routes[0].fastest = true;
+
+  return routes;
+}
+
+async function getBuses(routeId) {
+  const buses = [];
+  const busesSnapshot = await admin
+    .firestore()
+    .collection('busses')
+    .where('route_id', '==', routeId)
+    .get();
+  busesSnapshot.forEach((doc) => {
+    const bus = { id: doc.id, ...doc.data() };
+    buses.push(bus);
+  });
+
+  return buses;
+}