1 files changed, 9 insertions, 4 deletions
diff --git a/model.go b/model.go
index 93a988c..6eebd60 100644
--- a/model.go
+++ b/model.go
@@ -12,7 +12,7 @@ type Entry struct {
 	Date    Date
 	From    *Time
 	To      *Time
-	Tag     *string
+	Tasks   map[int]*time.Duration
 	Comment string
 }
 
@@ -27,8 +27,13 @@ type Date string
 
 type Time string
 
-var timeMatch = regexp.MustCompile("\\d\\d:\\d\\d")
-var dateMatch = regexp.MustCompile("\\d\\d\\d\\d-\\d\\d-\\d\\d")
+type EntrySubDuration string
+
+var (
+	timeMatch = regexp.MustCompile("[0-9]{2}:[0-9]{2}")
+	dateMatch = regexp.MustCompile("[0-9]{4}-[0-9]{2}-[0-9]{2}")
+	subDurationMatch = regexp.MustCompile("[0-9]")
+)
 
 var (
 	ErrInvalidTime = errors.New("Invalid time string")
@@ -41,7 +46,7 @@ func NewEntry(date Date) *Entry {
 		From:    nil,
 		Date:    date,
 		To:      nil,
-		Tag:     nil,
+		Tasks:   map[int]*time.Duration{},
 		Comment: "",
 	}