code refactor

pkg/core/datetime.go

@@ -0,0 +1,162 @@
+package core
+
+import "fmt"
+
+// WeekDay represents week day
+type WeekDay byte
+
+// Week days
+const (
+	WEEKDAY_SUNDAY    WeekDay = 0
+	WEEKDAY_MONDAY    WeekDay = 1
+	WEEKDAY_TUESDAY   WeekDay = 2
+	WEEKDAY_WEDNESDAY WeekDay = 3
+	WEEKDAY_THURSDAY  WeekDay = 4
+	WEEKDAY_FRIDAY    WeekDay = 5
+	WEEKDAY_SATURDAY  WeekDay = 6
+	WEEKDAY_INVALID   WeekDay = 255
+)
+
+// String returns a textual representation of the week day enum
+func (d WeekDay) String() string {
+	switch d {
+	case WEEKDAY_SUNDAY:
+		return "Sunday"
+	case WEEKDAY_MONDAY:
+		return "Monday"
+	case WEEKDAY_TUESDAY:
+		return "Tuesday"
+	case WEEKDAY_WEDNESDAY:
+		return "Wednesday"
+	case WEEKDAY_THURSDAY:
+		return "Thursday"
+	case WEEKDAY_FRIDAY:
+		return "Friday"
+	case WEEKDAY_SATURDAY:
+		return "Saturday"
+	case WEEKDAY_INVALID:
+		return "Invalid"
+	default:
+		return fmt.Sprintf("Invalid(%d)", int(d))
+	}
+}
+
+// LongDateFormat represents long date format
+type LongDateFormat byte
+
+// Long Date Format
+const (
+	LONG_DATE_FORMAT_DEFAULT  LongDateFormat = 0
+	LONG_DATE_FORMAT_YYYY_M_D LongDateFormat = 1
+	LONG_DATE_FORMAT_M_D_YYYY LongDateFormat = 2
+	LONG_DATE_FORMAT_D_M_YYYY LongDateFormat = 3
+	LONG_DATE_FORMAT_INVALID  LongDateFormat = 255
+)
+
+// String returns a textual representation of the long date format enum
+func (f LongDateFormat) String() string {
+	switch f {
+	case LONG_DATE_FORMAT_DEFAULT:
+		return "Default"
+	case LONG_DATE_FORMAT_YYYY_M_D:
+		return "YYYY_MM_D"
+	case LONG_DATE_FORMAT_M_D_YYYY:
+		return "M_D_YYYY"
+	case LONG_DATE_FORMAT_D_M_YYYY:
+		return "D_M_YYYY"
+	case LONG_DATE_FORMAT_INVALID:
+		return "Invalid"
+	default:
+		return fmt.Sprintf("Invalid(%d)", int(f))
+	}
+}
+
+// ShortDateFormat represents short date format
+type ShortDateFormat byte
+
+// Short Date Format
+const (
+	SHORT_DATE_FORMAT_DEFAULT  ShortDateFormat = 0
+	SHORT_DATE_FORMAT_YYYY_M_D ShortDateFormat = 1
+	SHORT_DATE_FORMAT_M_D_YYYY ShortDateFormat = 2
+	SHORT_DATE_FORMAT_D_M_YYYY ShortDateFormat = 3
+	SHORT_DATE_FORMAT_INVALID  ShortDateFormat = 255
+)
+
+// String returns a textual representation of the short date format enum
+func (f ShortDateFormat) String() string {
+	switch f {
+	case SHORT_DATE_FORMAT_DEFAULT:
+		return "Default"
+	case SHORT_DATE_FORMAT_YYYY_M_D:
+		return "YYYY_MM_D"
+	case SHORT_DATE_FORMAT_M_D_YYYY:
+		return "M_D_YYYY"
+	case SHORT_DATE_FORMAT_D_M_YYYY:
+		return "D_M_YYYY"
+	case SHORT_DATE_FORMAT_INVALID:
+		return "Invalid"
+	default:
+		return fmt.Sprintf("Invalid(%d)", int(f))
+	}
+}
+
+// LongTimeFormat represents long time format
+type LongTimeFormat byte
+
+// Long Time Format
+const (
+	LONG_TIME_FORMAT_DEFAULT    LongTimeFormat = 0
+	LONG_TIME_FORMAT_HH_MM_SS   LongTimeFormat = 1
+	LONG_TIME_FORMAT_A_HH_MM_SS LongTimeFormat = 2
+	LONG_TIME_FORMAT_HH_MM_SS_A LongTimeFormat = 3
+	LONG_TIME_FORMAT_INVALID    LongTimeFormat = 255
+)
+
+// String returns a textual representation of the long time format enum
+func (f LongTimeFormat) String() string {
+	switch f {
+	case LONG_TIME_FORMAT_DEFAULT:
+		return "Default"
+	case LONG_TIME_FORMAT_HH_MM_SS:
+		return "HH_MM_SS"
+	case LONG_TIME_FORMAT_A_HH_MM_SS:
+		return "A_HH_MM_SS"
+	case LONG_TIME_FORMAT_HH_MM_SS_A:
+		return "HH_MM_SS_A"
+	case LONG_TIME_FORMAT_INVALID:
+		return "Invalid"
+	default:
+		return fmt.Sprintf("Invalid(%d)", int(f))
+	}
+}
+
+// ShortTimeFormat represents short time format
+type ShortTimeFormat byte
+
+// Short Time Format
+const (
+	SHORT_TIME_FORMAT_DEFAULT ShortTimeFormat = 0
+	SHORT_TIME_FORMAT_HH_MM   ShortTimeFormat = 1
+	SHORT_TIME_FORMAT_A_HH_MM ShortTimeFormat = 2
+	SHORT_TIME_FORMAT_HH_MM_A ShortTimeFormat = 3
+	SHORT_TIME_FORMAT_INVALID ShortTimeFormat = 255
+)
+
+// String returns a textual representation of the short time format enum
+func (f ShortTimeFormat) String() string {
+	switch f {
+	case SHORT_TIME_FORMAT_DEFAULT:
+		return "Default"
+	case SHORT_TIME_FORMAT_HH_MM:
+		return "HH_MM"
+	case SHORT_TIME_FORMAT_A_HH_MM:
+		return "A_HH_MM"
+	case SHORT_TIME_FORMAT_HH_MM_A:
+		return "HH_MM_A"
+	case SHORT_TIME_FORMAT_INVALID:
+		return "Invalid"
+	default:
+		return fmt.Sprintf("Invalid(%d)", int(f))
+	}
+}