June 2014
Intermediate to advanced
696 pages
38h 52m
English
Content preview from Node.js, MongoDB, and AngularJS Web DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating the Backend Weather Service
Listing 29.9 implements the backend web service on the Node.js server. The service exports the getWeather() route handler to handle the /weather route in Express. When this code receives the request, it pulls the city name from req.query.city and uses it to make the remote web request on the server. The parseWeather() function handles the request.
The parseWeather() function reads the data and formats it into a JavaScript object that the client can more easily consume. res.json() returns the results.
Listing 29.9 weather_controller.js: Implementing the backend weather service on the Node.js server
01 var http = require('http');02 function toFahrenheit(temp){03 return Math.round((temp-273.15)*9/5+32); ...
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