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REST is an acronym for Representational State Transfer. It is web standards architecture and HTTP Protocol. The REST architectural style describes six constraints that were originally communicated by Roy Fielding in his doctoral dissertation and defines the basis of RESTful-style as:. RESTful applications use HTTP requests to perform four operations termed as CRUD C: create, R: read, U: update, and D: delete.
To achieve this, we will create a RESTful todo list API i. endpoints that will create a task, get or read list of all tasks, read a particular task, delete a task, and update a task. I presume that you already have your environment set up i.
e Node. js and MongoDB is installed. Kindly run npm -v and mongo --version as these will show you the version of NPM and MongoDB installed on your machine. If you do have Node and MongoDB installed, let's begin the tutorial with the following basic steps. Create a package. json file - npm init Package. json is a file that gives the necessary information to npm which allows it to identify the project as well as handle the project's dependencies.
npm init will prompt you to enter some information such as the app name, description, version, author, keyword and also ask if what you see is what you like. You should have something like this eventually. Kindly type yes and press enter to complete the creation of our package. Having done all these, your folder structure should look like this:. Create a file called server. js - touch server, help with dissertation writing vim.
In this server, we will writing the protocols to create our server. Create todoListController. Our folder structure should look like this now:. Let's install express and nodmon, express will be used to create the server while nodmon will help us to keep track of changes to our application by watching changed files and automatically restart the server.
On successful installation, your package. json file will be modified to have the help with dissertation writing vim newly installed packages. On your terminal, run npm run start this will start the server and then you will see. Mongoose is what we will use to interact with a MongoDB Database instance.
After installation, open the todoListModel. From the code above, we required the mongoose in our file and then, we create a model of how our collection should look like. As you can see, it the task collection table will contain a name: a string, and the help with dissertation writing vim it was created.
It also contains task status which we have defined as pending - a default value for every task created. Routing refers to determining how an application responds to a client request for a specific endpoint, which is a URI or path and a specific HTTP request method GET, POST, and so on. Each of our routes has different route handler functions, which are executed when the route is matched. To do this, open the todoListRoutes.
js file in the route folder and paste the code snippet below into. Open todoListController. js file with your text editor Sublime, Atom e.
We will exported each of the functions for us to use in our routes. Each of these functions uses different mongoose methods such help with dissertation writing vim find, findById, help with dissertation writing vim, save and remove. Earlier on, we had a minimal code for our server to be up and running in the server. js file. In this section we will be connecting our handlers controllersdatabase, the created models, body parser and the created routes together.
Open the server. js file created awhile help with dissertation writing vim and follow the following steps to put everything together. Essentially, you will be replacing the code in your server.
js with the code snippet from this section. This will start your MongoDB server and then, node server could connect to the MongoDB instance. Once your MongoDB server is running, restart your node server by running: rs on your nodemon running terminal. Having done all these, what happens if we entered a wrong route? Middlewares basically intercepts incoming http request and as such you can use them to perform several operations ranging from authentication to validations etc, help with dissertation writing vim.
I think you can just create all routes then put this add the code to the end in your routes file. Mobile App Development. Programming Languages, help with dissertation writing vim. Get insights on scaling, management, help with dissertation writing vim, and product development for founders and engineering managers. Read programming tutorials, share your knowledge, and become better developers together.
Hot Topics. SIGN UP. Olatunde Michael Garuba Follow. Full stack Javascript Developer. Published Jan 12, Last updated Aug 18, What is REST? The REST architectural style describes six constraints that were originally communicated by Roy Fielding in his doctoral dissertation and defines the basis of RESTful-style as: Uniform Interface Stateless Cacheable Client-Server Layered System Code on Demand optional RESTful applications use HTTP requests to perform four operations termed as CRUD C: create, R: read, U: update, and D: delete.
RESTful is composed of methods such as; base URL, URL, media types, etc. In this tutorial, we will learn how to create a RESTful API using Node, help with dissertation writing vim. Tools: Node. js MongoDB Text editor Atom, Sublime, etc Read more: Best Text Editor? Assumptions I presume that you already have your environment set up i.
Open your terminal and kindly follow the following steps Create a Folder name todoListApi - mkdir todoListApi Navigate to the root of your newly created folder - cd todoListApi Create a package.
Having done all these, your folder structure should look like this: Create a file called server. js Our folder structure should look like this now: Server setup Let's install express and nodmon, express will be used to create the server while nodmon will help us to keep track of changes to our application by watching changed files and automatically restart the server. npm install --save-dev nodemon npm install express --save On successful installation, your package.
Open the package. json file and add this task to the script "start": "nodemon server. js" Open the server. PORT ; app. listen port ; console. now }, status: { type: [{ type: String, enum: ['pending', 'ongoing', 'completed'] }], default: ['pending'] } } ; module.
model 'Tasks', TaskSchema ; From the code above, we required the mongoose in our file and then, we create a model of how our collection should look like. Setting up the routes Routing refers to determining how an application responds to a client request for a specific endpoint, which is a URI or path and a specific HTTP request method GET, POST, and so on.
js file in the route folder and paste the code snippet below into 'use strict'; module. get todoList. post todoList. put todoList. delete todoList. model 'Tasks' ; exports. find {}, function err, task { if err res. send err ; res. json task ; } ; }; exports. save function err, task { if err res. findById req. taskId, function err, task { if err res. taskId}, req. body, {new: true}, function err, task { if err res. taskId }, function err, task { if err res. json { message: 'Task successfully deleted' } ; } ; }; Putting everything together Earlier on, we had a minimal code for our server to be up and running in the server.
js with the code snippet from this section Connect your database by adding a url to the mongoose instance connection Load the created model - task Install bodyParser and use help with dissertation writing vim Parse incoming request bodies in a middleware before your handlers, available under the req. body property. It exposes various factories to create middlewares.
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