Implement the "an" feature: Adding notes to todos

This patch introduce a new attribute of a todo item, which is
"Notes", of type []string.  The following enhancing patches will
contain the listing, removing and editing features.

1 files changed, 15 insertions, 0 deletions

diff --git a/todolist/app.go b/todolist/app.go
index 42b1361..c2bd66a 100644
--- a/todolist/app.go
+++ b/todolist/app.go
@@ -132,6 +132,21 @@ func (a *App) ExpandTodo(input string) {
 	fmt.Println("Todo expanded.")
 }
 
+func (a *App) ManipulateNotes(input string) {
+	a.Load()
+	id, todo := a.getId(input)
+	parser := &Parser{}
+	if id == -1 {
+		return
+	}
+
+	retStr := parser.ParseNotes(todo, input)
+	if retStr != "" {
+		a.Save()
+		fmt.Println("Notes " + retStr + "ed.")
+	}
+}
+
 func (a *App) ArchiveCompleted() {
 	a.Load()
 	for _, todo := range a.TodoList.Todos() {