impl move scheduled to todo when schedule triggers

pttodo/root.go

@@ -5,3 +5,16 @@ type Root struct {
 	Scheduled []Todo
 	Done      []Todo
 }
+
+func (root *Root) MoveScheduledToTodo() {
+	for i := len(root.Scheduled) - 1; i >= 0; i-- {
+		if root.Scheduled[i].Triggered() {
+			root.Todo = append(root.Todo, root.Scheduled[i])
+			root.Scheduled[i] = root.Scheduled[len(root.Scheduled)-1]
+			root.Scheduled = root.Scheduled[:len(root.Scheduled)-1]
+			if i < len(root.Scheduled)-1 {
+				i += 1
+			}
+		}
+	}
+}

pttodo/root_test.go

@@ -3,7 +3,9 @@ package pttodo
 import (
 	"encoding/json"
 	"fmt"
+	"strconv"
 	"testing"
+	"time"
 )
 
 func TestJSONRoot(t *testing.T) {
@@ -21,3 +23,76 @@ func TestJSONRoot(t *testing.T) {
 		t.Fatal(root, root2)
 	}
 }
+
+func TestRootMoveScheduledToTodo(t *testing.T) {
+	scheduleFuture := Schedule(strconv.FormatInt(time.Now().Unix()+100, 10))
+	schedulePast := Schedule(strconv.FormatInt(time.Now().Unix()-100, 10))
+	cases := map[string]struct {
+		in   Root
+		want Root
+	}{
+		"empty": {},
+		"no scheduled": {
+			in:   Root{Todo: []Todo{Todo{}}},
+			want: Root{Todo: []Todo{Todo{}}},
+		},
+		"one scheduled not ready": {
+			in:   Root{Scheduled: []Todo{Todo{Schedule: scheduleFuture}}},
+			want: Root{Scheduled: []Todo{Todo{Schedule: scheduleFuture}}},
+		},
+		"one scheduled ready": {
+			in:   Root{Scheduled: []Todo{Todo{Schedule: schedulePast}}},
+			want: Root{Todo: []Todo{Todo{Schedule: schedulePast}}},
+		},
+		"two scheduled one ready one not": {
+			in: Root{
+				Scheduled: []Todo{
+					Todo{Schedule: schedulePast},
+					Todo{Schedule: scheduleFuture},
+				},
+			},
+			want: Root{
+				Todo: []Todo{
+					Todo{Schedule: schedulePast},
+				},
+				Scheduled: []Todo{
+					Todo{Schedule: scheduleFuture},
+				},
+			},
+		},
+		"two scheduled one not one ready": {
+			in: Root{
+				Scheduled: []Todo{
+					Todo{Schedule: scheduleFuture},
+					Todo{Schedule: schedulePast},
+				},
+			},
+			want: Root{
+				Todo: []Todo{
+					Todo{Schedule: schedulePast},
+				},
+				Scheduled: []Todo{
+					Todo{Schedule: scheduleFuture},
+				},
+			},
+		},
+	}
+
+	for name, d := range cases {
+		c := d
+		t.Run(name, func(t *testing.T) {
+			inB, _ := json.Marshal(c.in)
+			var got Root
+			json.Unmarshal(inB, &got)
+
+			wantB, _ := json.Marshal(c.want)
+			var want Root
+			json.Unmarshal(wantB, &want)
+
+			got.MoveScheduledToTodo()
+			if fmt.Sprintf("%+v", got) != fmt.Sprintf("%+v", want) {
+				t.Fatalf("want \n\t%+v, got \n\t%+v", want, got)
+			}
+		})
+	}
+}