zeuslawyer/graphQL_Mead

GraphQL learning projects

###Technologies used

• graphql yoga for node
• prisma cli
• prisma-bindings nodejs package
• postgres db on heroku free tier
• docker container and pgAdmin (dependencies for prisma-bindings)
• bcrypt library for password hashing + salting
• JWT for auth

Running the projects

Run npm install inside each folder to install node modules. Each folder is its own standalone project that covers the topics suggested by the folder name

##Folders:

1. each folder has its own /src folder inside which you can run npm run start to fire up the local graphql playground at port 4000.
2. Basic concepts of queries etc is n /basics
3. Mutations & Subscriptions code, with modularized files is in /Mutations&Subscriptions
4. prisma & prisma-bindings (node, docker, postgres) in the graphql-prisma folder.
   • there are two services / endpoints for prisma -- prisma-project-blog and -- prisma-project-books
5. VScode debug tutorial README is in /VScode_debug_tute. The launch.json config file for VScode debugging is in /.vscode/launch.json (project root).

QUERIES

query for posts

query {
  posts{
    id
    published
    title
    author{
    	name    
    }
  }
}

_subscription for post CRUD and comments CRUD

subscription{
  post{
    mutation
    data{
      id
      title
      body
      author{
        name
      }
      published
    }
  }
}

create posts mutation

mutation{
  createPost(postData : {
    title: "This is a test post",
    body: " This is going to be deleted ... ",
    authorID : "33",
    published: true
  }){
    id
    published
    title
    body
    author {
      name
    }
  }
}

delete posts mutation

mutation{
  deletePost(id:"dace4a09-8fda-4a63-8487-903dfe01862d"){
    id
    title
    body
    author{
      name
    }
  }
}

update post mutation

mutation{
  updatePost(id:"<<  >>", postData: {
    title: "LOOKHERE!!!",
    body: "This is updated body text! ",
    published:  true
  }) {
    id
    published
    title
    body
    author{
      name
    }
  }
}

Other operations for playground:

mutation{
  deleteComment(id:"comm1"){
    text
    post{
      title
    }
    author{
      name
    }
  }


  mutation{
  updateComment(
    id: "comm1", 
    commentData: {text: "here is UPDATED comment text"}){
    author{
      name
    }
    text
    id
  }
}


query{
  posts{
    id
    title
    comments{
      id
      text
      author{
        name
      }
    }
    author{
      name
    }
  }
}

subscription{
  comment(postID: "post1"){
    mutation
    data{
      id
      text
      author{
        name
      }
    }
    
  }
}