graphQL-Django

This is simple blog post app using django and graphQL, We design an api schema for blogpost and comment.

In graphQL Queries and mutation is used for getting data and changing data in server.

Graphene we can use Django to create GraphQL APIs.

---

Start the project

Clone the repository :

1: git clone [email protected]:devignesh/graphQL-Django.git

2: cd graphQL-Django

I. pipenv shell   

II. pipenv install

III. cd blog  # app name

3: python manage.py makemigrations

4: python mange.py migrate

5: python mange.py runserver

6: http://127.0.0.1:8000/graphql/ #open in your browser

---

queries

To get all the blog post

query {
blogpostall {
    id
    author
    title
    description
    publishedDate
    updatedAt
}
}

To get the blogpost with Comments

query {
blogpostall {
    id
    author
    title
    description
    publishedDate
    updatedAt
    commentSet {
        id
        comment
    }

}
}

# Response

        {
      "data": {
        "blogpostall": [
          {
            "id": "1",
            "author": "vignesh",
            "title": "Python Django",
            "description": "Sample Blog",
            "publishedDate": "2020-03-03T02:31:22+00:00",
            "updatedAt": null,
            "commentSet": [
              {
                "id": "13",
                "comment": "comment"
              },
              {
                "id": "3",
                "comment": "Third comment"
              }
            ]
          },
          {
            "id": "2",
            "author": "vicky",
            "title": "Django graphQL",
            "description": "Django testing",
            "publishedDate": "2020-03-02T21:04:18.194415+00:00",
            "updatedAt": null,
            "commentSet": [
              {
                "id": "19",
                "comment": "test"
              },
              {
                "id": "16",
                "comment": "vv"
              },
              {
                "id": "15",
                "comment": "vv"
              },
              {
                "id": "14",
                "comment": "vv"
              },
              {
                "id": "12",
                "comment": "value"
              },
              {
                "id": "5",
                "comment": "File performance"
              },
              {
                "id": "4",
                "comment": "Mannual data"
              }
            ]
          }
         }

Query for get the particular blogpost and comments based on its ID

query {
blogs(id:1) {
    id
    author
    title
    description
    publishedDate
    commentSet {
    
        id
        comment
    }

}
}

Mutation

Create a new blog post mutation

mutation {
createBlog (author:"vigneshkumar", title:"Test blog", description:"test description") {
    
    createblogpost {
    id
    author
    title
    description
    publishedDate
    updatedAt
    }
}
}

# Response 
            {
      "data": {
        "createBlog": {
          "createblogpost": {
            "id": "8",
            "author": "vickykumar",
            "title": "test create blog",
            "description": "test blog description",
            "publishedDate": "2020-03-03T06:56:12.902488+00:00"
            "updatedAt": null
          }
        }
      }
    }

Update a existing blog post based on blog ID,

mutation {
updateblog (blogId:7, author:"updated", title:"updated title", description:"updated desc") {
    blogupdate {
    id
    author
    title
    description
    publishedDate
    updatedAt
    }
}
}

Create a New comment

mutation {
createcomment (author:"updated", comment:"test comment") {
    createcommentpost {
    id
    comment
    author {
        id
    }
}
}
}

Delete a existing comment based on comment ID

mutation {
deletecomment(commentId:1) {
    commentId
}
}