Create Channel

• A client sends the name of the channel to the service.
• The service verifies if the name is note empty, persist the data and returns the a JSON object representing a channel.

GraphQL

The channel only can be created using GraphQL. The following example shows how through a mutation in /graphql endpoint.

• Example of request:

      curl  -X POST \
          'http://localhost:8080/graphql' \
          --header 'Accept: */*' \
          --data-raw '{"query":"mutation addChannel {\n  createChannel(channel: {\n    name: \"My channel\"\n  }\n  )\n  {\n    name\n    hash\n    messages {\n      hash\n      text\n    }\n  }\n}","variables":"{}"}'
  

• Example of mutation:

      mutation addChannel {
          createChannel(channel: {
              name: "My channel"
          })
          {
              name
              hash
              messages {
                  hash
                  text
              }
          }
      }
  

• Example of answer:

        {
            "data": {
                "createChannel": {
                    "name": "My channel",
                    "hash": "6077a738-77ce-404d-8568-ef08374fd0bd",
                    "messages": []
                }
            }
        }