chore: splitting monolith into packages

utils/write_backlog.go

@@ -0,0 +1,29 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+
+	"gotask-cli/models"
+)
+
+const tempPath string = "./tasks.save"
+
+func SaveBacklog(backlog []models.Task, path string) {
+	if _, err := os.Stat(tempPath); err == nil {
+		err = os.Remove(tempPath)
+	} else if errors.Is(err, os.ErrNotExist) {
+	} else {
+		Check(err)
+		os.Exit(1)
+	}
+	f, err := os.Create(tempPath)
+	Check(err)
+	defer f.Close()
+	backlogJSON, _ := json.MarshalIndent(backlog, "", "\t")
+	f.Write(backlogJSON)
+
+	err = os.Rename(tempPath, path)
+	Check(err)
+}