refactor: Split processing of comments

Signed-off-by: Matej Focko <mfocko@redhat.com>

main.go

@@ -99,52 +99,66 @@ func FormatComment(body string, beenWrapped bool) string {
 	return fmt.Sprintf("%s%s%s", config.Language.Opening, body, config.Language.Closing)
 }
 
+func WriteCommentsInFile(
+	wrapper *wrap.Wrapper,
+	outputFile *os.File,
+	lineNum uint64,
+	comments []*gitea.PullReviewComment,
+	nextComment, commentsLength int,
+) int {
+	for (nextComment < commentsLength) && comments[nextComment].LineNum == lineNum {
+		body := comments[nextComment].Body
+
+		beenWrapped := len(body)+len(config.Language.Opening)+len(config.Language.Closing) > 100
+		if beenWrapped {
+			body = GetSeparatorForMultiline() + wrapper.Wrap(body, 100)
+		} else {
+			body = " " + body
+		}
+
+		body = strings.Replace(body, "\r", "", -1)
+		body = strings.Replace(
+			body,
+			config.Language.Continuation+"\n",
+			strings.TrimRightFunc(config.Language.Continuation, unicode.IsSpace)+"\n",
+			-1,
+		)
+		comment := FormatComment(body, beenWrapped)
+
+		fmt.Fprint(outputFile, comment)
+		fmt.Printf("L%04d:\n%s\n", comments[nextComment].LineNum, comment)
+		nextComment++
+	}
+	return nextComment
+}
+
+func ProcessFile(wrapper *wrap.Wrapper, filepath string, comments []*gitea.PullReviewComment) {
+	fmt.Printf("FILE: %s\n", filepath)
+
+	BackUpSource(filepath)
+
+	inputFile, err := os.Open(filepath + ".bck")
+	ExitOnError(err)
+	defer inputFile.Close()
+
+	outputFile, err := os.Create(filepath)
+	ExitOnError(err)
+	defer outputFile.Close()
+
+	var i uint64 = 1
+	nextComment, commentsLength := 0, len(comments)
+
+	scanner := bufio.NewScanner(inputFile)
+	for scanner.Scan() {
+		nextComment = WriteCommentsInFile(wrapper, outputFile, i, comments, nextComment, commentsLength)
+		fmt.Fprintln(outputFile, scanner.Text())
+		i++
+	}
+}
+
 func PatchFiles(wrapper *wrap.Wrapper, commentsByFile map[string]([]*gitea.PullReviewComment)) {
 	for filepath, comments := range commentsByFile {
-		fmt.Printf("FILE: %s\n", filepath)
+		ProcessFile(wrapper, filepath, comments)
-
-		BackUpSource(filepath)
-
-		inputFile, err := os.Open(filepath + ".bck")
-		ExitOnError(err)
-		defer inputFile.Close()
-
-		outputFile, err := os.Create(filepath)
-		ExitOnError(err)
-		defer outputFile.Close()
-
-		var i uint64 = 1
-		nextComment, commentsLength := 0, len(comments)
-
-		scanner := bufio.NewScanner(inputFile)
-		for scanner.Scan() {
-			for (nextComment < commentsLength) && comments[nextComment].LineNum == i {
-				body := comments[nextComment].Body
-
-				beenWrapped := len(body)+len(config.Language.Opening)+len(config.Language.Closing) > 100
-				if beenWrapped {
-					body = GetSeparatorForMultiline() + wrapper.Wrap(body, 100)
-				} else {
-					body = " " + body
-				}
-
-				body = strings.Replace(body, "\r", "", -1)
-				body = strings.Replace(
-					body,
-					config.Language.Continuation+"\n",
-					strings.TrimRightFunc(config.Language.Continuation, unicode.IsSpace)+"\n",
-					-1,
-				)
-				comment := FormatComment(body, beenWrapped)
-
-				fmt.Fprint(outputFile, comment)
-				fmt.Printf("L%04d:\n%s\n", comments[nextComment].LineNum, comment)
-				nextComment++
-			}
-
-			fmt.Fprintln(outputFile, scanner.Text())
-			i++
-		}
 	}
 }