(Go) Shopify GraphQL Simple Query (Get Shop Object)

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Demonstrates a simple Shopify GraphQL query to get specific fields of the Shop object.

For more information, see https://www.shopify.com/partners/blog/shopify-graphql-learning-kit#query-structure

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    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()

    // This example will use private authentication (which is HTTP Basic authentication)
    // See the other Chilkat Shopify examples for OAuth2 authentication.
    // To use HTTP Basic Authentication with any HTTP request, we simply set the Login, Password, and BasicAuth properties.
    // Important: All HTTP requests using Basic authentication must be over SSL/TLS.
    http.SetLogin("SHOPIFY_PRIVATE_API_KEY")
    http.SetPassword("SHOPIFY_PRIVATE_API_SECRET_KEY")
    http.SetBasicAuth(true)

    // We're going to do a POST  https://{shop}.myshopify.com/admin/api/2021-04/graphql.json
    // Make sure to replace "chilkat" with your store name.

    // The body of the request will be:
    //    {
    //        shop {
    //            id
    //            name
    //            description
    //            email
    //         }
    //     }

    // The above query is not JSON.  It looks like JSON, but it's actually not.
    // We'll just make it one line:

    query := "{ shop { id name description email } }"

    // My store name is "chilkat".  Use your store name here instead.
    url := "https://chilkat.myshopify.com/admin/api/2021-04/graphql.json"

    resp := http.PText("POST",url,query,"utf-8","application/graphql",false,false)
    if http.LastMethodSuccess() != true {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        return
    }

    // Examine the response code.
    if resp.StatusCode() != 200 {
        fmt.Println("Received error response code: ", resp.StatusCode())
        fmt.Println("Response body:")
        fmt.Println(resp.BodyStr())
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "data": {
    //     "shop": {
    //       "id": "gid:\/\/shopify\/Shop\/24198053",
    //       "name": "chilkat",
    //       "description": null,
    //       "email": "admin@chilkatsoft.com"
    //     }
    //   },
    //   "extensions": {
    //     "cost": {
    //       "requestedQueryCost": 1,
    //       "actualQueryCost": 1,
    //       "throttleStatus": {
    //         "maximumAvailable": 1000.0,
    //         "currentlyAvailable": 999,
    //         "restoreRate": 50.0
    //       }
    //     }
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    shopId := jResp.StringOf("data.shop.id")
    shopName := jResp.StringOf("data.shop.name")
    shopDescription := jResp.StringOf("data.shop.description")
    shopEmail := jResp.StringOf("data.shop.email")
    costRequestedQueryCost := jResp.IntOf("extensions.cost.requestedQueryCost")
    costActualQueryCost := jResp.IntOf("extensions.cost.actualQueryCost")
    costThrottleStatusMaximumAvailable := jResp.StringOf("extensions.cost.throttleStatus.maximumAvailable")
    costThrottleStatusCurrentlyAvailable := jResp.IntOf("extensions.cost.throttleStatus.currentlyAvailable")
    costThrottleStatusRestoreRate := jResp.StringOf("extensions.cost.throttleStatus.restoreRate")

    fmt.Println("Shop name: ", *shopName)
    // ...

    http.DisposeHttp()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()