feat: recurring transactions

internal/ui/pages/recurring_event_helpers.go

@@ -0,0 +1,57 @@
+package pages
+
+import (
+	"fmt"
+	"time"
+
+	"git.juancwu.dev/juancwu/budgit/internal/model"
+)
+
+func accountLabel(ev *model.RecurringEvent, accountByID map[string]string) string {
+	src := accountByID[ev.SourceAccountID]
+	if src == "" {
+		src = ev.SourceAccountID
+	}
+	return src
+}
+
+var weekdayLabels = []string{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}
+
+func recurrenceSummary(ev *model.RecurringEvent) string {
+	timePart := fmt.Sprintf(" at %02d:%02d", ev.FireHour, ev.FireMinute)
+	switch ev.Frequency {
+	case model.RecurringFrequencyDaily:
+		if ev.IntervalCount == 1 {
+			return "Daily" + timePart
+		}
+		return fmt.Sprintf("Every %d days%s", ev.IntervalCount, timePart)
+	case model.RecurringFrequencyWeekly:
+		dow := ""
+		if ev.DayOfWeek != nil && *ev.DayOfWeek >= 0 && *ev.DayOfWeek < len(weekdayLabels) {
+			dow = " on " + weekdayLabels[*ev.DayOfWeek]
+		}
+		if ev.IntervalCount == 1 {
+			return "Weekly" + dow + timePart
+		}
+		return fmt.Sprintf("Every %d weeks%s%s", ev.IntervalCount, dow, timePart)
+	case model.RecurringFrequencyMonthly:
+		dom := ""
+		if ev.DayOfMonth != nil {
+			dom = fmt.Sprintf(" on day %d", *ev.DayOfMonth)
+		}
+		if ev.IntervalCount == 1 {
+			return "Monthly" + dom + timePart
+		}
+		return fmt.Sprintf("Every %d months%s%s", ev.IntervalCount, dom, timePart)
+	case model.RecurringFrequencyYearly:
+		date := ""
+		if ev.MonthOfYear != nil && ev.DayOfMonth != nil {
+			date = fmt.Sprintf(" on %s %d", time.Month(*ev.MonthOfYear).String(), *ev.DayOfMonth)
+		}
+		if ev.IntervalCount == 1 {
+			return "Yearly" + date + timePart
+		}
+		return fmt.Sprintf("Every %d years%s%s", ev.IntervalCount, date, timePart)
+	}
+	return string(ev.Frequency)
+}