Learn GraphQL basics

 

Step by step

Check this post to try it step by step

How to run it

• Clone this repo.
• Create a pg database.
• Replace development.env with your variables.
• npm install.
• npm run dev.
• Visit on your browser http://localhost:<YOUR_PORT>/graphql.

Load database data

After you clone this repo, go to the project folder, and run this script on the terminal; replace YOUR_DATABASE_NAME with the name of your database.

psql <YOUR_DATABASE_NAME> < database/pg-data.sql

Mutations

Add new user

mutation AddNewUser($input: UserInput!) {
  AddUser(input: $input) { 
    id
    email
    username
    apiKey
  }
}

Variables

{
  "input": {
    "email": "test@test.com",
    "username": "test"
  }
}

Add visited place

mutation AddVisitedPlace($input: VisitedInput!) {
  AddVisitedPlace(input: $input) {
    email
    username
    visitedPlaces {
      place
    }
  }
}

Variables:

{
  "input": {
    "userId": 5,
    "place": "MIA"
  }
}

Query

Get user with visited places

{
  user(userId: 5) {
    username
    email
    visitedPlaces {
      place
    }
  }
}

License

The MIT License

Copyright (c) 2018 Alejandro Estrada

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.