Tracking API

It is a tracker API with 2 endpoints. It accepts HTTP requests and identifies unique users who have clicked the http://localhost:3000 url.

The structure of the project:

• Route configuration is done to define the requests our API can handle

• Service for tasks such as connecting to our database models, and doing queries is done. They can be connected to external services that are required by the specific request if needed.

• Middleware is added for running specific request validations before the final controller of a route handles its specifics.

• Model is added for defining visitors to facilitate data storage and retrieval.

• Controller is created for separating the route configuration from the code that finally (after any middleware) processes a route request, calls the above service functions if necessary, and gives a response to the client.

I have also implemented reporter app with Angular, which you can see the statistics of visitors in the user interface and can download it as a CSV file on demand. To test it out, you should up and run this API project first.

Current architecture of the application

Architectural sketch of possible entire application with highly available API design

Built with the following tech stack

• Typescript
• NodeJS v14.18.x
• npm v6.14.x
• ESlint
• ES6+ module system is used.
• Mocha, Chai for unit testing.
• Sequelize ORM
• MySQL

Prerequisites

You will need to have the following tech stack installed in your local environment.

• MySQL Ver 8.0.28
• NodeJS v14.18.x
• npm v6.14.x
• Typescript

Setup

Clone the repo by typing

git clone https://github.com/RaminMammadzada/tracking-api.git

Cd into the project

cd tracking-api

Install packages with

  npm install

Create .env file at the root of the project and fill in with the following information:

    DB_NAME='tracking_api_dev'
    DB_USER='your_mysql_username'
    DB_HOST='localhost'
    DB_DRIVER='mysql'
    DB_PASSWORD='your_mysql_password'

Create a database with the Sequelize-cli command

  npx sequelize-cli db:create

Migrate models with Sequelize-cli command

  npx sequelize-cli db:migrate

If all is set, you will have a database with the name tracking_api_dev created and 1 table called Visitors inside it.

Start server with:

  npm run start

For development you can use the following script:

  npm run dev

It will start running in PORT 3000. You can test the following endpoints in the http://localhost:3000 url:

The REST endpoints

/GET http://localhost:3000/
/GET http://localhost:3000/visitors

Unit tests

Run the following command to run the unit tests:

npm run test

Running with dockerfile

It is in TODO stage now. It has a bug which is needed to be fixed. For the sake of time I skipped it.

Author

👤 Ramin Mammadzada

• Github: @raminmammadzada
• Twitter: @raminmammadzada
• Linkedin: Ramin Mammadzada

Contributing

Contributions, issues, and feature requests are welcome!

Feel free to check the issues page

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