working commit

pkg/accntcli/getgrant.go

@@ -0,0 +1,39 @@
+package accntcli
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+
+	"mstore/app/accoper"
+	"mstore/app/handler"
+	"mstore/pkg/descr"
+)
+
+func (cli *Client) GetGrant(ctx context.Context, host, grantID string) (*descr.Grant, error) {
+	var err error
+	res := &descr.Grant{}
+	params := accoper.GetGrantParams{
+		GrantID: grantID,
+	}
+	reqdata, err := json.Marshal(params)
+	if err != nil {
+		return res, err
+	}
+	respdata, err := cli.doHTTPCall(ctx, host, "grant", "get", reqdata)
+	if err != nil {
+		return res, err
+	}
+
+	response := handler.NewResponse[accoper.GetGrantResult]()
+	err = json.Unmarshal(respdata, response)
+	if err != nil {
+		return res, err
+	}
+	if response.Error {
+		err = errors.New(response.Message)
+		return res, err
+	}
+	res = response.Result.Grant
+	return res, err
+}