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// This is a simple example how you can get data from the GraphQL endpoint of | |
// your Shopify store. | |
// For the explanatory article please visit: | |
package main | |
import ( | |
"bytes" | |
"io/ioutil" | |
"fmt" | |
"log" | |
"net/http" | |
"strconv" | |
"time" | |
"os" | |
"github.com/valyala/fastjson" | |
) | |
// Please make sure that the following environment variables | |
// SHOPIFY_TOKEN & SHOPIFY_GRAPHQL_ENDPOINT are set | |
// | |
// to do this in bash: | |
// export SHOPIFY_TOKEN=YourSuperSecretToken | |
// export SHOPIFY_GRAPHQL_ENDPOINT=https://YOUR-STOTE.myshopify.com/admin/api/graphql.json | |
// | |
// to do this in fish: | |
// set -x SHOPIFY_TOKEN YourSuperSecretToken | |
// set -x SHOPIFY_GRAPHQL_ENDPOINT https://YOUR-STOTE.myshopify.com/admin/api/graphql.json | |
var token = os.Getenv("SHOPIFY_TOKEN") | |
var endpoint = os.Getenv("SHOPIFY_GRAPHQL_ENDPOINT") | |
func startRequest(body []byte) (*http.Response, error) { | |
client := http.Client{ | |
Timeout: time.Second * 120, | |
} | |
req, err := http.NewRequest("POST", endpoint, bytes.NewBuffer(body)) | |
if err != nil { | |
return nil, fmt.Errorf( "error building request: %s", err) | |
} | |
req.Header.Add("X-Shopify-Access-Token",token) | |
req.Header.Add("Content-Type", "application/graphql") | |
resp, err := client.Do(req) | |
if err != nil { | |
return nil, fmt.Errorf( "error executing request: %s", err) | |
} | |
return resp, nil | |
} | |
func getItemPrice(sku string) (float32, error) { | |
query := `{ | |
inventoryItems(first:1, query:"sku:` + sku + `") { | |
edges{ | |
node{ | |
sku | |
variant { | |
price | |
} | |
} | |
} | |
} | |
}` | |
resp, err := startRequest([]byte(query)) | |
defer resp.Body.Close() | |
body, err := ioutil.ReadAll(resp.Body) | |
if err != nil { | |
return 0, fmt.Errorf( "error reading response body: %s", err) | |
} | |
p := fastjson.GetString(body, "data", "inventoryItems", "edges", "0", "node", "variant", "price") | |
if fastjson.Exists(body, "error") { | |
return 0, fmt.Errorf("shopify responded with an error: %s", fastjson.GetString(body, "error")) | |
} | |
if fastjson.Exists(body, "data", "inventoryItems", "edges", "0", "node", "variant", "price") == false { | |
return 0, fmt.Errorf("item could not be found in shopify: %s", sku) | |
} | |
price, err:= strconv.ParseFloat(p, 32) | |
if err != nil { | |
return 0, fmt.Errorf( "error reading response body: %s", err) | |
} | |
return float32(price), nil | |
} | |
func main() { | |
price, err := getItemPrice("your_SKU") // The SKU you are looking for | |
if err != nil { | |
log.Fatalf("could not get price from shopify: %s", err) | |
} | |
fmt.Println("Price:", price) | |
} |
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