How to set header keys and values ​​using go package: shurcooL/graphql or hasura/go-graphql-client?

Question content

So I want to use shurcool or hasura go client (Go package) to query data from Graphql server through Go, but the data server needs to be like The "x-hasura-admin-secret" key and value are included in the request header.

There is no mention in either package documentation of how to do this (setting header keys and values), only how to set the access token.

Correct answer

The client provided by https://www.php.cn/link/b93f552915e01e40fb9b66d6fd114f7b has a withrequestmodifier method. You can add a request header like this:

import (
    "net/http"
    graphql "github.com/hasura/go-graphql-client"
)

func gqlinit() {
    client := graphql.newclient("your graphql url here", nil)
    client = client.withrequestmodifier(func(r *http.request) {
        r.header.set("x-hasura-admin-secret", "secret")
    })
}

Viewhttps://www.php.cn/link/3a5f9129110203548b21c0e40e9cd7af and the related github lib, it looks like they want you to pass a *http.client to add headers for you, you can do this:

import (
    "net/http"
    graphql "github.com/shurcooL/graphql"
)

type hasuraAuthTransport struct {
    secret string
}

func (h hasuraAuthTransport) RoundTrip(req *http.Request) (resp *http.Response, err error) {
    req.Header.Set("x-hasura-admin-secret", h.secret)
    return http.DefaultTransport.RoundTrip(req)
}

func gqlInit() {
    client := graphql.NewClient("your graphql url here", &http.Client{
        Transport: hasuraAuthTransport{secret: "secret"},
    })
}

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