Implement the "ln" feature: Listing notes of a todo

4 files changed, 26 insertions, 5 deletions

diff --git a/todo.go b/todo.go
index 77faccb..e48eda2 100644
--- a/todo.go
+++ b/todo.go
@@ -123,9 +123,10 @@ func usage() {
 	fmt.Println("\tDeletes a todo with id 33\n")
 
 	blueBold.Println("\nManipulating notes")
-	fmt.Println("  You can add additional information to a existing todo.\n")
 	yellow.Println("\ttodo an 12 check http://this.web.site")
 	fmt.Println("\tAdds notes \"check http://this.web.site\" to the todo with id 12\n")
+	yellow.Println("\ttodo ln 12")
+	fmt.Println("\tLists notes of the todo with id 12\n")
 
 	blueBold.Println("\nGarbage Collection")
 	yellow.Println("\ttodo gc")
@@ -158,7 +159,7 @@ func routeInput(command string, input string) {
 		app.EditTodo(input)
 	case "ex", "expand":
 		app.ExpandTodo(input)
-	case "an":
+	case "an", "ln":
 		app.ManipulateNotes(input)
 	case "gc":
 		app.GarbageCollect()
diff --git a/todolist/app.go b/todolist/app.go
index c2bd66a..4d526c9 100644
--- a/todolist/app.go
+++ b/todolist/app.go
@@ -143,7 +143,9 @@ func (a *App) ManipulateNotes(input string) {
 	retStr := parser.ParseNotes(todo, input)
 	if retStr != "" {
 		a.Save()
-		fmt.Println("Notes " + retStr + "ed.")
+		if retStr != "list" {
+			fmt.Println("Notes " + retStr + "ed.")
+		}
 	}
 }
 
diff --git a/todolist/formatter.go b/todolist/formatter.go
index c0f3313..847be04 100644
--- a/todolist/formatter.go
+++ b/todolist/formatter.go
@@ -43,6 +43,17 @@ func (f *Formatter) Print() {
 	f.Writer.Flush()
 }
 
+func (f *Formatter) PrintNotes() {
+	cyan := color.New(color.FgCyan).SprintFunc()
+	todo := f.GroupedTodos.Groups[""][0]
+	f.printTodo(todo)
+	for nid, note := range todo.Notes {
+		fmt.Fprintf(f.Writer, "   %s\t%s\t\n",
+			cyan(strconv.Itoa(nid)), note)
+	}
+	f.Writer.Flush()
+}
+
 func (f *Formatter) printTodo(todo *Todo) {
 	yellow := color.New(color.FgYellow)
 	if todo.IsPriority {
diff --git a/todolist/parser.go b/todolist/parser.go
index 207791d..1c3b7f8 100644
--- a/todolist/parser.go
+++ b/todolist/parser.go
@@ -84,11 +84,18 @@ func (p *Parser) Contexts(input string) []string {
 }
 
 func (p *Parser) ParseNotes(todo *Todo, input string) string {
-	r, _ := regexp.Compile(`(\w+) \d+\s+(.*)?`)
+	r, _ := regexp.Compile(`(\w+) \d+\s*(.*)?`)
 	matches := r.FindStringSubmatch(input)
-	if matches[1] == "an" {
+	switch matches[1] {
+	case "an":
 		todo.Notes = append(todo.Notes, matches[2])
 		return "add"
+	case "ln":
+		groups := map[string][]*Todo{}
+		groups[""] = append(groups[""], todo)
+		formatter := NewFormatter(&GroupedTodos{Groups: groups})
+		formatter.PrintNotes()
+		return "list"
 	}
 
 	fmt.Println("Could not match command or id")