Fix bugs, add grid, grid list, image, image list data

decort/utility_image.go

@@ -26,6 +26,8 @@ package decort
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
 	"net/url"
 	"strconv"
 
@@ -36,7 +38,12 @@ func utilityImageCheckPresence(d *schema.ResourceData, m interface{}) (*Image, e
 	controller := m.(*ControllerCfg)
 	urlValues := &url.Values{}
 
-	urlValues.Add("imageId", strconv.Itoa(d.Get("image_id").(int)))
+	if (strconv.Itoa(d.Get("image_id").(int))) != "0" {
+		urlValues.Add("imageId", strconv.Itoa(d.Get("image_id").(int)))
+	} else {
+		urlValues.Add("imageId", d.Id())
+	}
+
 	resp, err := controller.decortAPICall("POST", imageGetAPI, urlValues)
 	if err != nil {
 		return nil, err
@@ -46,9 +53,9 @@ func utilityImageCheckPresence(d *schema.ResourceData, m interface{}) (*Image, e
 		return nil, nil
 	}
 
-	var image *Image
+	image := &Image{}
 	if err := json.Unmarshal([]byte(resp), image); err != nil {
-		return nil, err
+		return nil, errors.New(fmt.Sprintf(resp, " ", image))
 	}
 
 	return image, nil