weekdays

internal/adapters/tex/texcalendar/calendar_little.go

@@ -43,6 +43,8 @@ func (r CalendarLittle) String() string {
 	tabular := tabularx.New(LineWidth{})
 	tabular.SetHeaderName(r.Month.Name())
 
+	tabular.AddRow(r.makeWeekdays()...)
+
 	for _, week := range r.Month.Weeks() {
 		cells := make([]tabularx.Cell, 0, len(week.Days)+1)
 
@@ -64,6 +66,24 @@ func (r CalendarLittle) String() string {
 	return tabular.Render()
 }
 
+func (r CalendarLittle) makeWeekdays() tabularx.Cells {
+	cells := make(tabularx.Cells, 0, 7)
+
+	weekday := r.Month.Weekday
+	for i := 0; i < 7; i++ {
+		cells = append(cells, tabularx.Cell{Text: NewWeekdayCalendarLittle(weekday)})
+		weekday = weekday.Next()
+	}
+
+	if r.Parameters.ShowWeekNumbers && r.Parameters.WeekNumberPlacement == entities.PlacementRight {
+		cells = append(cells, tabularx.Cell{Text: NewWeekNameCalendarLittle()})
+	} else {
+		cells = append([]tabularx.Cell{{Text: NewWeekNameCalendarLittle()}}, cells...)
+	}
+
+	return cells
+}
+
 type LineWidth struct{}
 
 func (r LineWidth) String() string {

internal/adapters/tex/texcalendar/week_name_calendar_little.go

@@ -0,0 +1,11 @@
+package texcalendar
+
+type WeekNameCalendarLittle struct{}
+
+func NewWeekNameCalendarLittle() WeekNameCalendarLittle {
+	return WeekNameCalendarLittle{}
+}
+
+func (r WeekNameCalendarLittle) String() string {
+	return `W`
+}

internal/adapters/tex/texcalendar/weekday_calendar_little.go

@@ -0,0 +1,15 @@
+package texcalendar
+
+import "github.com/kudrykv/latex-yearly-planner/internal/core/calendar"
+
+type WeekdayCalendarLittle struct {
+	Weekday calendar.Weekday
+}
+
+func NewWeekdayCalendarLittle(weekday calendar.Weekday) WeekdayCalendarLittle {
+	return WeekdayCalendarLittle{Weekday: weekday}
+}
+
+func (r WeekdayCalendarLittle) String() string {
+	return r.Weekday.String()[:1]
+}

internal/core/calendar/weekday.go

@@ -17,6 +17,14 @@ func (r Weekday) RightDistanceTo(weekday Weekday) int {
 	return int(left-right) % 7
 }
 
+func (r Weekday) String() string {
+	return r.Raw.String()
+}
+
+func (r Weekday) Next() Weekday {
+	return Weekday{Raw: (r.Raw + 1) % 7}
+}
+
 var (
 	Sunday    = Weekday{Raw: time.Sunday}
 	Monday    = Weekday{Raw: time.Monday}