try different packags structures

pkg/utils/http.go

@@ -0,0 +1,57 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/gorilla/schema"
+)
+
+var (
+	DefaultHTTPClient = &http.Client{
+		Timeout: time.Duration(30 * time.Second),
+	}
+)
+
+func FormRequest(endpoint string, request interface{}) (*http.Request, error) {
+	form := make(map[string][]string)
+	encoder := schema.NewEncoder()
+	if err := encoder.Encode(request, form); err != nil {
+		return nil, err
+	}
+	body := strings.NewReader(url.Values(form).Encode())
+	req, err := http.NewRequest("POST", endpoint, body)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	return req, nil
+}
+
+func HttpRequest(client *http.Client, req *http.Request, response interface{}) error {
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("unable to read response body: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("http status not ok: %s %s", resp.Status, body)
+	}
+
+	err = json.Unmarshal(body, response)
+	if err != nil {
+		return fmt.Errorf("failed to unmarshal response: %v %s", err, body)
+	}
+	return nil
+}