Problem Statement: Write an angular application with the following requirements:

1. Create DTO for modeling Credit Card Payment details like below, which will be used to make requests a. Credit Card Number (mandatory, string) b. Card Holder (mandatory, string) c. Expiration Date (mandatory, Date, >CurrentDate) d. Security Code - CCV (optional, string, 3 digits) e. Amount (mandatory, number, > 0)
2. Using NgRx, create a state management solution that will hold our card.
3. Write a Payment service with a function that creates a POST request.
4. Create a new page and a new component (to be used in this page), with inputs for the DTO, created at point 1, use reactive forms and add validations on these inputs. Create a button with a click event and call the payment service method and based on the http response, show a toast notification informing the user.
5. In the app.component.html, create a button (name it any way you like) and use the Angular router to navigate to the new page created at the previous point.
6. To make sure that our state management solution is working, get the data from the store and display it on the app.component.html. Obligations:

• Use the angular/typescript style guide to separate the models/dto and the services.
• Use RxJS when making requests and demonstrate some operators.
• Make sure to avoid any memory leaks.
• Make sure you have a good file hierarchy and follow best practices to improve naming conventions Recommendations:
• Follow clean code best practices, follow industry standards ( https://angular.io/guide/styleguide )
• Use CSS or SCSS to style your component(s). Although functionality is more important, you can also make it look pretty.

SETUP

• Setup Project: Run npm install
• Setup Json Server: npm i json-server --save mkdir server && cd server touch server/db.json

Once the db.json file is created then add some data in it.

{ "payments": [ { "id": "1", "cardNumber": "4111111111111111", "cardHolder": "Tony Stark", "expirationMonth": "10", "expirationYear": "2024", "ccv": "1234", "amount": "20" }, { "id": "2", "cardNumber": "4111111111111111", "cardHolder": "Tony Stark 1", "expirationMonth": "11", "expirationYear": "2024", "ccv": "123", "amount": "21" }, { "cardNumber": "4111111111111111", "cardHolder": "Mohd Nadeem", "expirationMonth": "07", "expirationYear": "2022", "ccv": "1111", "amount": "1111", "id": "Ezym39P" } ] }

After that run the following command to run the JSON server. json-server --watch server/db.json

To test server: Open http://localhost:3000/payments in browser

• Demo Video: https://drive.google.com/file/d/1Uy4-ADRGIOup2Y-alH0oFKNZ2pIMCYup/view?usp=sharing