If you click on the Dashboard link, you will see that it loads the "dashboard works! As your dashboard component has nothing more than a simple message, it's time to focus on enhancing it. The idea of this dashboard is to let users add and remove blog posts. The first thing you will do is define an interface to represent instances of blog posts.
To do so, create a new file called Post. Now, you can use this interface to build a data service to simulate a real application. To create this service, you can run the following command:. Once finished, you can open the data. In your data service, you have two different arrays: one for storing categories of posts and the other one for storing blog posts.
You will also have to guarantee that the app. Now, you can update your dashboard to make use of the data service to render some data. So, open the dashboard.
Then, open the dashboard. Here, you are using some Angular Material Components like mat - card , mat - button , and mat - table to render the list of existing blog posts.
Before proceeding, you will have to import these components into the material. So, open it and update as follows:. Before checking your application running with these new components, open the dashboard. As you don't want unauthenticated users to create blog posts or remove existing ones, you will take advantage of Auth0 to easily secure your app. So, before integrating Auth0 into your app, you will need to sign up for a free Auth0 account. After following the instructions there to create your account, you will need to create an Auth0 Application to represent your Angular app.
To do so, click on the New Application button on your dashboard page. Then, fill the form shown as follows:. Once finished, Auth0 will show you a screen where you can see tabs like Quick Start , Settings , and Addons. This is the URL that Auth0 is allowed to call after finishing the authentication process this configuration exists to make the process more secure.
Now, create a new file called auth. The code in this service, although lengthy, is quite simple. You are just defining an instance of auth0.
WebAuth to interact with Auth0, and then you define a method called handleAuthentication that will fetch the tokens returned by Auth0. Also, there are other handy methods in this service like isAuthenticated , login , and logout.
You will use all of them soon. If you try to install Angular Material you will get following warnings. Install both modules using below command. Angular Material Tutorial with examples Angular Material module helps us to create high-quality UI applications with Angular framework by following Material Design specifications. Table of Contents What is Angular Material? Next: Angular Material Badge: mat Badge example. No spam ever. Unsubscribe any time. Send Angular Tutorial. Progress bar.
You will have the ability to test every part of your application—which is highly recommended. Angular is a full-fledged JavaScript framework and provides out-of-the-box solutions for server communication, routing within your application, and more. Angular works cross-platform and compatible with multiple browsers.
Angular uses Node. As a result, to get started with Angular, you will need to have Node. You can head to the NodeJS official website to download the software. Install the latest version and confirm them on you command prompt by running the following commands:. The Angular team has created a command-line interface CLI tool to make it easier to bootstrap and develop your Angular applications.
As it significantly helps to make the process of development easier, we highly recommend using it for your initial angular projects at the least. You need a text editor to write and run your code. It is a powerful source code editor that is available on Windows, macOS, and Linux platforms. Create a folder for your application in the desired location on your system and open it on VSCode.
Open a new terminal and type in the following command to create your app folder. When the command is run, Angular creates a skeleton application under the folder. It also includes a bunch of files and other important necessities for the application. Once run, open your browser and navigate to localhost If another application is running on that address, you can simply run the command. You can leave the ng serve command running in the terminal, and continue making changes.
First replace the line this. I am also accepting response as Blob Binary Large Object. You may also specify any value from supporting values, such as, json, blob, arraybuffer, text.
You can have a look for more details on response type. I have used three ways for downloading file — two ways for Save as functionality and one way to show the file content on browser itself.
The above line create a Blob object with file content in response and expecting the file of JSON type. The above two lines create a URL that will open the file in browser in new window. The above line shows the file content on browser, so it does not give you save as option.
The above line uses ready-made FileSaver module that will open the file with Save as option. I have created service class to fetch file data from a server URL but I need to provide a link or button for downloading the file. In the view file I will give users two options for downloading the same file. I will use link as well as button for downloading the same file from the server.
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