output tasks only from the last 24 hours by default, add more task output options

main.go

@@ -59,10 +59,14 @@ func list(path *string) func(*cli.Cmd) {
 		cmd.Spec = "[OPTIONS]"
 		var (
 			asJSON   = cmd.BoolOpt("json", false, "output task history as JSON")
-			assend = cmd.BoolOpt("assend", true, "sort tasks assending in age")
+			assend   = cmd.BoolOpt("assend", false, "sort tasks assending in age")
+			all      = cmd.BoolOpt("a all", false, "output all tasks")
 			limit    = cmd.IntOpt("n limit", 0, "limit the number of results by n")
+			duration = cmd.StringOpt("d duration", "24h", "show tasks within this duration")
 		)
 		cmd.Action = func() {
+			duration, err := time.ParseDuration(*duration)
+			maybe(err)
 			db, err := NewStore(*path)
 			maybe(err)
 			defer db.Close()
@@ -71,6 +75,9 @@ func list(path *string) func(*cli.Cmd) {
 			if *assend {
 				sort.Sort(sort.Reverse(ByID(tasks)))
 			}
+			if !*all {
+				tasks = After(time.Now().Add(-duration), tasks)
+			}
 			if *limit > 0 && (len(tasks) > *limit) {
 				tasks = tasks[0:*limit]
 			}

types.go

@@ -151,6 +151,20 @@ func (b ByID) Len() int           { return len(b) }
 func (b ByID) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
 func (b ByID) Less(i, j int) bool { return b[i].ID < b[j].ID }
 
+// After returns tasks that were started after the
+// provided start time.
+func After(start time.Time, tasks []*Task) []*Task {
+	filtered := []*Task{}
+	for _, task := range tasks {
+		if len(task.Pomodoros) > 0 {
+			if start.Before(task.Pomodoros[0].Start) {
+				filtered = append(filtered, task)
+			}
+		}
+	}
+	return filtered
+}
+
 // Pomodoro is a unit of time to spend working
 // on a single task.
 type Pomodoro struct {