Air Pollution API

This API provides you with air pollution data for a certain location. The data is provided by Openweathermap API.

API Usage

Commands

The api provides 2 command line commands to fetch and delete data:

• data:sync <city> <from> <to>: Gets pollution data for the provided city in the provided time range.
• data:delete <city>: Deletes all data for the provided city. The above commands can be run by running node ace <command>

Endpoints

The api provides 2 endpoints to get data about pollution (To be able to get some data from these endpoints, you first need to run the data:sync command to fetch the data):

• GET /air-pollution/avg?city=<city>&from=<from>&to=<to>: Gets the average air pollution data for the provided city in the provided time range.
• GET /air-pollution/max-city?from=<from>&to=<to>: Gets the city with the highest air pollution data in the provided time range.

Development

To run the API locally you will need to have a local PostgresSQL instance running which the app can connect to.

Dev server

• Build dependencies yarn install
• Create a .env file and fill in your environment variables based on .env.example
• Run the development server using node ace serve --watch
• The dev server should now be running on port specified in the .env file

Production Build

• Build dependencies yarn install
• Run build command node ace build --production
• You will have a production build created in the ./build folder
• Don't forget to provide the required environment variables for the production build wherever you decide to run it