Overview of the Recruitment Exercise

This is a dummy project, which is used to demonstrate knowledge of node and Angular as well as development in general. It serves as an example with some bad practices included.

Technologies:

• Backend: Node.js
• Frontend: Angular
• API: REST with an openapi.yaml file

Duration: 5-8 hours

Exercise Structure

Repository Structure:

/backend - Should contain all backend-related files.

/frontend - Contains all frontend-related files.

/docs - Contains the openapi.yaml file and any additional documentation.

Backend (/backend):

index.ts - Should contain main server file using Node.js.

Frontend (/frontend):

app.component.ts - Main application file for Angular.

API Definition (/docs):

openapi.yaml

Tasks:

Backend:

• Implement the backend architecture from scratch, which will support the Angular application's API calls.
• Implement error handling.
• Implement the plugin system for extensibility (Chatbot).
• Add authentication for message sending.

Frontend:

• Optimize data bindings and state management.
• Improve the user interface responsiveness.
• Implement a feature to display message status (sent, received).
• Add seamless communication with the backend application.
• Create a login form to allow users to log in and send messages.

API:

• Review and if necessary correct RESTful API practices.
• Ensure best practices in the API definition.

General instructions

• Make sure to follow best practices.
• Pay attention to the code quality as well as software architecture. We value maintainability and readability.
• We recommend documenting your changes and the reasoning behind them.
• Git history is important. Make sure to commit your changes as you progress.
• Feel free to ask questions if you have any doubts.
• We are looking for a clean, well-structured solution that demonstrates your understanding of the technologies used.

Deliverables

• send in files with your comments by (one of)
  • Inline-Code-Comments and send us the files
  • drop the files anywhere and send us the link
  • upload the code to your own Repository (Avoid forking the repository and creating a PR, as this would make your solution visible to others)
• A brief report summarizing the changes you made, why, and any additional recommendations if they had more time.

Run instructions

• Backend: cd backend && npm install && npm run build && npm run start
• Frontend: cd frontend && npm install && npm run serve
• API: openapi.yaml file contains the API definition.
• Access the frontend at http://localhost:4200.
• Access the backend at http://localhost:3000.
• Note: The project is set up to run on localhost by default.