spring-boot-graphql-demo

Simple GraphQL project with Query, Mutation and Subscription and GraphiQL in Spring boot 2

Technologies

• Spring Boot 2.1.3
• GraphQL
• GraphiQL
• H2 Database

Run Apllication

$ gradlew :bootRun

You can Also Run This Application in java Based IDE like STS, Eclipse or intellij

GraphiQL URL: http://localhost:8080/graphiq

Schema

type User  {  
  id: ID! 
  name : String!
  posts : [Post]  
}

type Post {
  id: ID! 
  text: String! 
  imageUrl : String
  user: User!
}

type Query {
  findAllUser: [User]!
  countUsers: Long!
  findUserFromPost(id: ID!) : User
  findUser(id: ID!) : User
  findAllPost: [Post]!
  countPost: Long!
  countPostOfUser(id: ID!) : Long
  findPost(id: ID!) : Post
  findAllPostOfUser(id: ID!) : [Post]  
}

type Mutation {
  newUser(name: String!) : User!
  deleteUser(id: ID!) : Boolean
  updateUserName(id: ID!, name: String!) : User!  
  newPost(text: String!, imageUrl: String!, userId: ID!) : Post!
  deletePost(id: ID!) : Boolean
  updatePostText(id: ID!, text: String!) : Post!
}

Mutation Example (On GraphiQL)

mutation updateUserName($id: ID!, $name: String!) {
  updateUserName(id: $id, name: $name)  {
     id
     name
    }
  }  

QUERY VARIABLES

 {
  "id": 1,
  "name": "Chirag"
 }

Query Example (On GraphiQL)

{
findUserFromPost(id: 3) {
    id
    name
  }
}

References

• https://www.pluralsight.com/guides/building-a-graphql-server-with-spring-boot

In case you find any problems or you have any suggestion or you want to add new features fell free to contact me 😄