move feed update to separate function

main.go

@@ -74,6 +74,26 @@ func extractPatches(diffPatch []byte) ([]jsonpatch.Patch, error) {
 	return patches, nil
 }
 
+func updateFeed(feedResp []byte, gamePk string, ts string, updateId string) ([]byte, error) {
+	diffPatchResp, err := statsapi.RequestDiffPatch(gamePk, ts, updateId)
+	patches, err := extractPatches(diffPatchResp)
+	if err != nil {
+		feedResp, err = statsapi.RequestFeed(gamePk)
+		if err != nil {
+			return feedResp, err
+		}
+	} else {
+		for _, patch := range patches {
+			feedResp, err = patch.Apply(feedResp)
+			if err != nil {
+				return feedResp, err
+			}
+		}
+	}
+
+	return feedResp, err
+}
+
 func main() {
 	gamePk := getGamePk()
 
@@ -109,21 +129,10 @@ func main() {
 			log.Fatal(err)
 		}
 
-		diffPatchResp, err := statsapi.RequestDiffPatch(gamePk, ts, p.UpdateId)
+		feedResp, err = updateFeed(feedResp, gamePk, ts, p.UpdateId)
-		patches, err := extractPatches(diffPatchResp)
-		if err != nil {
-			feedResp, err = statsapi.RequestFeed(gamePk)
 		if err != nil {
 			log.Fatal(err)
 		}
-		} else {
-			for _, patch := range patches {
-				feedResp, err = patch.Apply(feedResp)
-				if err != nil {
-					log.Fatal(err)
-				}
-			}
-		}
 
 		err = json.Unmarshal(feedResp, &feed)
 		if err != nil {