721 lines
19 KiB
Go
721 lines
19 KiB
Go
package ui
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import (
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"fmt"
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"regexp"
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"strings"
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"time"
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"github.com/NicoNex/echotron/v3"
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"github.com/TelegramExchange/tgex-backend/tg_bot/bot"
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"github.com/olebedev/when"
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"github.com/olebedev/when/rules/common"
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"github.com/olebedev/when/rules/ru"
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)
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const (
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pickerViewCalendar = "calendar"
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pickerViewMonths = "months"
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pickerViewTimeCombined = "time_combined"
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pickerViewConfirm = "confirm"
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dtpCallbackPrefix = "dtp:"
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)
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var MskLocation = time.FixedZone("MSK", 3*60*60)
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type DateTimePickerConfig struct {
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Title string
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Key string
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IncludeTime bool
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AllowPast bool
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Selected *time.Time
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BackState bot.State
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}
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type DateTimeSelectionTarget interface {
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SetDateTimeSelection(key string, value time.Time)
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}
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type DateTimePicker struct {
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Title string
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Key string
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IncludeTime bool
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AllowPast bool
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BackState bot.State
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view string
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year int
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month time.Month
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selectedDate *time.Time
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selectedHour *int
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selectedMinute *int
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}
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func NewDateTimePicker(cfg DateTimePickerConfig) *DateTimePicker {
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now := time.Now().In(MskLocation)
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year := now.Year()
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month := now.Month()
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var selected *time.Time
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if cfg.Selected != nil {
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value := cfg.Selected.In(MskLocation)
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selected = &value
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year = value.Year()
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month = value.Month()
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}
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return &DateTimePicker{
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Title: cfg.Title,
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Key: cfg.Key,
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IncludeTime: cfg.IncludeTime,
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AllowPast: cfg.AllowPast,
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BackState: cfg.BackState,
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view: pickerViewCalendar,
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year: year,
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month: month,
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selectedDate: selected,
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}
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}
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func (s *DateTimePicker) Enter(b *bot.Bot, mode bot.RenderMode) {
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text := fmt.Sprintf("<b>%s</b>\n\n", s.Title)
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text += fmt.Sprintf("%s\n\n", s.formatSelectedDateTime())
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switch s.view {
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case pickerViewCalendar:
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text += s.renderCalendarTitle()
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b.Render(text, s.calendarKeyboard(), mode)
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case pickerViewMonths:
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text += "Выберите месяц\n\n"
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b.Render(text, s.monthsKeyboard(), mode)
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case pickerViewTimeCombined:
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b.Render(text, s.timeCombinedKeyboard(), mode)
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case pickerViewConfirm:
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text += s.renderSelectedDateTime()
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b.Render(text, s.confirmKeyboard(), mode)
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}
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}
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func (s *DateTimePicker) HandleCallback(b *bot.Bot, u *echotron.Update) {
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if u.CallbackQuery == nil || u.CallbackQuery.Data == "" {
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return
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}
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data := u.CallbackQuery.Data
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if data == "back" {
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s.handleBack(b)
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return
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}
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if data == "cancel" {
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if s.BackState != nil {
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b.SetState(s.BackState, bot.EditMessage)
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}
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return
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}
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if !strings.HasPrefix(data, dtpCallbackPrefix) {
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s.Enter(b, bot.EditMessage)
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return
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}
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payload := strings.TrimPrefix(data, dtpCallbackPrefix)
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switch {
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case payload == "month_prev":
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s.prevMonth()
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case payload == "month_next":
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s.nextMonth()
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case payload == "open_months":
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s.view = pickerViewMonths
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case payload == "year_prev":
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s.year--
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case payload == "year_next":
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s.year++
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case strings.HasPrefix(payload, "month:"):
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month := parseInt(strings.TrimPrefix(payload, "month:"))
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if month >= 1 && month <= 12 {
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s.month = time.Month(month)
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s.view = pickerViewCalendar
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}
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case strings.HasPrefix(payload, "day:"):
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s.handleDaySelect(payload, b)
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return // confirmSelection уже делает Enter
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case strings.HasPrefix(payload, "hour:"):
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s.handleHourSelect(payload)
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case strings.HasPrefix(payload, "min:"):
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s.handleMinuteSelect(payload)
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case payload == "confirm":
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s.confirmSelection(b)
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return
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}
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// Если не было подтверждения (для дат без времени), перерисовываем
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s.Enter(b, bot.EditMessage)
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}
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func (s *DateTimePicker) handleBack(b *bot.Bot) {
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switch s.view {
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case pickerViewMonths:
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s.view = pickerViewCalendar
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case pickerViewTimeCombined:
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s.view = pickerViewCalendar
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case pickerViewConfirm:
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if s.IncludeTime {
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s.view = pickerViewTimeCombined
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} else {
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s.view = pickerViewCalendar
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}
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default:
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if s.BackState != nil {
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b.SetState(s.BackState, bot.EditMessage)
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return
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}
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}
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s.Enter(b, bot.EditMessage)
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}
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func (s *DateTimePicker) renderCalendarTitle() string {
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if s.year == time.Now().In(MskLocation).Year() {
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return "\n"
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}
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return fmt.Sprintf("%d\n\n", s.year)
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}
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func (s *DateTimePicker) calendarKeyboard() echotron.InlineKeyboardMarkup {
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var rows [][]echotron.InlineKeyboardButton
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rows = append(rows, []echotron.InlineKeyboardButton{
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s.monthPrevButton(),
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{Text: monthName(s.month), CallbackData: dtpCallbackPrefix + "open_months"},
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{Text: "→", CallbackData: dtpCallbackPrefix + "month_next"},
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})
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rows = append(rows, []echotron.InlineKeyboardButton{
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{Text: "Пн", CallbackData: "empty"},
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{Text: "Вт", CallbackData: "empty"},
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{Text: "Ср", CallbackData: "empty"},
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{Text: "Чт", CallbackData: "empty"},
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{Text: "Пт", CallbackData: "empty"},
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{Text: "Сб", CallbackData: "empty"},
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{Text: "Вс", CallbackData: "empty"},
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})
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firstOfMonth := time.Date(s.year, s.month, 1, 0, 0, 0, 0, MskLocation)
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weekday := int(firstOfMonth.Weekday())
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if weekday == 0 {
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weekday = 7
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}
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daysInMonth := daysInMonth(s.year, s.month)
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today := time.Now().In(MskLocation)
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todayDate := time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, MskLocation)
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var row []echotron.InlineKeyboardButton
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for i := 1; i < weekday; i++ {
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row = append(row, echotron.InlineKeyboardButton{Text: " ", CallbackData: "empty"})
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}
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for day := 1; day <= daysInMonth; day++ {
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date := time.Date(s.year, s.month, day, 0, 0, 0, 0, MskLocation)
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if !s.AllowPast && date.Before(todayDate) {
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row = append(row, echotron.InlineKeyboardButton{Text: "-", CallbackData: "empty"})
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} else {
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label := fmt.Sprintf("%d", day)
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row = append(row, echotron.InlineKeyboardButton{
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Text: label,
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CallbackData: fmt.Sprintf("%sday:%04d-%02d-%02d", dtpCallbackPrefix, s.year, int(s.month), day),
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})
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}
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if len(row) == 7 {
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rows = append(rows, row)
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row = nil
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}
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}
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if len(row) > 0 {
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for len(row) < 7 {
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row = append(row, echotron.InlineKeyboardButton{Text: " ", CallbackData: "empty"})
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}
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rows = append(rows, row)
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}
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rows = append(rows, []echotron.InlineKeyboardButton{
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{Text: "← Назад", CallbackData: "back"},
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{Text: "Отмена", CallbackData: "cancel"},
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})
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return echotron.InlineKeyboardMarkup{InlineKeyboard: rows}
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}
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func (s *DateTimePicker) monthsKeyboard() echotron.InlineKeyboardMarkup {
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var rows [][]echotron.InlineKeyboardButton
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months := []string{"Янв", "Фев", "Мар", "Апр", "Май", "Июн", "Июл", "Авг", "Сен", "Окт", "Ноя", "Дек"}
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for i := 0; i < 12; i += 3 {
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rows = append(rows, []echotron.InlineKeyboardButton{
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{Text: months[i], CallbackData: fmt.Sprintf("%smonth:%d", dtpCallbackPrefix, i+1)},
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{Text: months[i+1], CallbackData: fmt.Sprintf("%smonth:%d", dtpCallbackPrefix, i+2)},
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{Text: months[i+2], CallbackData: fmt.Sprintf("%smonth:%d", dtpCallbackPrefix, i+3)},
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})
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}
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rows = append(rows, []echotron.InlineKeyboardButton{
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{Text: "← Назад", CallbackData: "back"},
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})
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return echotron.InlineKeyboardMarkup{InlineKeyboard: rows}
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}
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func (s *DateTimePicker) timeCombinedKeyboard() echotron.InlineKeyboardMarkup {
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var rows [][]echotron.InlineKeyboardButton
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rows = append(rows, []echotron.InlineKeyboardButton{{Text: "Часы", CallbackData: "empty"}})
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for i := 0; i < 24; i += 6 {
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rows = append(rows, []echotron.InlineKeyboardButton{
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s.hourButton(i),
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s.hourButton(i + 1),
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s.hourButton(i + 2),
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s.hourButton(i + 3),
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s.hourButton(i + 4),
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s.hourButton(i + 5),
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})
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}
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rows = append(rows, []echotron.InlineKeyboardButton{{Text: "Минуты", CallbackData: "empty"}})
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minutes := []int{0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55}
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for i := 0; i < len(minutes); i += 6 {
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rows = append(rows, []echotron.InlineKeyboardButton{
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s.minuteButton(minutes[i]),
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s.minuteButton(minutes[i+1]),
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s.minuteButton(minutes[i+2]),
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s.minuteButton(minutes[i+3]),
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s.minuteButton(minutes[i+4]),
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s.minuteButton(minutes[i+5]),
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})
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}
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rows = append(rows, []echotron.InlineKeyboardButton{
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{Text: "← Назад", CallbackData: "back"},
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{Text: "Готово", CallbackData: dtpCallbackPrefix + "confirm"},
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})
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return echotron.InlineKeyboardMarkup{InlineKeyboard: rows}
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}
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func (s *DateTimePicker) confirmKeyboard() echotron.InlineKeyboardMarkup {
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return echotron.InlineKeyboardMarkup{
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||
InlineKeyboard: [][]echotron.InlineKeyboardButton{
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||
{
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{Text: "← Назад", CallbackData: "back"},
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||
{Text: "Готово", CallbackData: dtpCallbackPrefix + "confirm"},
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||
},
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},
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||
}
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}
|
||
|
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func (s *DateTimePicker) renderSelectedDateTime() string {
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if s.selectedDate == nil {
|
||
return "—"
|
||
}
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hour := 0
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||
minute := 0
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if s.selectedHour != nil {
|
||
hour = *s.selectedHour
|
||
}
|
||
if s.selectedMinute != nil {
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minute = *s.selectedMinute
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}
|
||
value := time.Date(s.selectedDate.Year(), s.selectedDate.Month(), s.selectedDate.Day(), hour, minute, 0, 0, MskLocation)
|
||
return fmt.Sprintf("<b>%s</b>", formatCompactDateTime(value))
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}
|
||
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||
func (s *DateTimePicker) formatTimePreview(showPlaceholders bool) string {
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||
hour := "__"
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||
minute := "__"
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if s.selectedHour != nil {
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||
hour = fmt.Sprintf("%02d", *s.selectedHour)
|
||
} else if !showPlaceholders {
|
||
hour = "00"
|
||
}
|
||
if s.selectedMinute != nil {
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||
minute = fmt.Sprintf("%02d", *s.selectedMinute)
|
||
} else if !showPlaceholders {
|
||
minute = "00"
|
||
}
|
||
return fmt.Sprintf("%s:%s", hour, minute)
|
||
}
|
||
|
||
func (s *DateTimePicker) formatSelectedDateTime() string {
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||
displayDate, ok := s.displayDate()
|
||
if !ok {
|
||
return "—"
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||
}
|
||
timeLabel := "--:--"
|
||
if s.selectedHour != nil && s.selectedMinute != nil {
|
||
timeLabel = fmt.Sprintf("%02d:%02d", *s.selectedHour, *s.selectedMinute)
|
||
}
|
||
weekday := WeekdayName(displayDate.Weekday())
|
||
month := MonthShort(displayDate.Month())
|
||
return fmt.Sprintf("%s %02d %s %s %dг.", weekday, displayDate.Day(), month, timeLabel, displayDate.Year())
|
||
}
|
||
|
||
func (s *DateTimePicker) displayDate() (time.Time, bool) {
|
||
if s.selectedDate == nil {
|
||
if s.view == pickerViewCalendar || s.view == pickerViewMonths {
|
||
return time.Date(s.year, s.month, 1, 0, 0, 0, 0, MskLocation), true
|
||
}
|
||
return time.Time{}, false
|
||
}
|
||
|
||
if (s.view == pickerViewCalendar || s.view == pickerViewMonths) &&
|
||
(s.selectedDate.Year() != s.year || s.selectedDate.Month() != s.month) {
|
||
day := s.selectedDate.Day()
|
||
maxDay := daysInMonth(s.year, s.month)
|
||
if day > maxDay {
|
||
day = maxDay
|
||
}
|
||
return time.Date(s.year, s.month, day, 0, 0, 0, 0, MskLocation), true
|
||
}
|
||
|
||
return s.selectedDate.In(MskLocation), true
|
||
}
|
||
|
||
func (s *DateTimePicker) handleDaySelect(payload string, b *bot.Bot) {
|
||
datePart := strings.TrimPrefix(payload, "day:")
|
||
parsed, err := time.ParseInLocation("2006-01-02", datePart, MskLocation)
|
||
if err != nil {
|
||
return
|
||
}
|
||
s.selectedDate = &parsed
|
||
if s.IncludeTime {
|
||
s.view = pickerViewTimeCombined
|
||
s.selectedHour = nil
|
||
s.selectedMinute = nil
|
||
s.Enter(b, bot.EditMessage)
|
||
} else {
|
||
// Сразу подтверждаем выбор для даты без времени
|
||
s.confirmSelection(b)
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) handleHourSelect(payload string) {
|
||
hour := parseInt(strings.TrimPrefix(payload, "hour:"))
|
||
if hour < 0 || hour > 23 {
|
||
return
|
||
}
|
||
if s.isHourDisabled(hour) {
|
||
return
|
||
}
|
||
s.selectedHour = &hour
|
||
}
|
||
|
||
func (s *DateTimePicker) handleMinuteSelect(payload string) {
|
||
minute := parseInt(strings.TrimPrefix(payload, "min:"))
|
||
if minute < 0 || minute > 59 {
|
||
return
|
||
}
|
||
if s.isMinuteDisabled(minute) {
|
||
return
|
||
}
|
||
s.selectedMinute = &minute
|
||
}
|
||
|
||
func (s *DateTimePicker) confirmSelection(b *bot.Bot) {
|
||
if s.selectedDate == nil {
|
||
s.Enter(b, bot.EditMessage)
|
||
return
|
||
}
|
||
if s.IncludeTime && (s.selectedHour == nil || s.selectedMinute == nil) {
|
||
s.view = pickerViewTimeCombined
|
||
s.Enter(b, bot.EditMessage)
|
||
return
|
||
}
|
||
hour := 0
|
||
minute := 0
|
||
if s.selectedHour != nil {
|
||
hour = *s.selectedHour
|
||
}
|
||
if s.selectedMinute != nil {
|
||
minute = *s.selectedMinute
|
||
}
|
||
value := time.Date(s.selectedDate.Year(), s.selectedDate.Month(), s.selectedDate.Day(), hour, minute, 0, 0, MskLocation)
|
||
if target, ok := s.BackState.(DateTimeSelectionTarget); ok {
|
||
target.SetDateTimeSelection(s.Key, value)
|
||
}
|
||
if s.BackState != nil {
|
||
b.SetState(s.BackState, bot.EditMessage)
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) hourButton(hour int) echotron.InlineKeyboardButton {
|
||
label := fmt.Sprintf("%02d", hour)
|
||
if s.isHourDisabled(hour) {
|
||
return echotron.InlineKeyboardButton{Text: "-", CallbackData: "empty"}
|
||
}
|
||
if s.selectedHour != nil && *s.selectedHour == hour {
|
||
label = "● " + label
|
||
}
|
||
return echotron.InlineKeyboardButton{
|
||
Text: label,
|
||
CallbackData: fmt.Sprintf("%shour:%02d", dtpCallbackPrefix, hour),
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) minuteButton(minute int) echotron.InlineKeyboardButton {
|
||
label := fmt.Sprintf("%02d", minute)
|
||
if s.isMinuteDisabled(minute) {
|
||
return echotron.InlineKeyboardButton{Text: "-", CallbackData: "empty"}
|
||
}
|
||
if s.selectedMinute != nil && *s.selectedMinute == minute {
|
||
label = "● " + label
|
||
}
|
||
return echotron.InlineKeyboardButton{
|
||
Text: label,
|
||
CallbackData: fmt.Sprintf("%smin:%02d", dtpCallbackPrefix, minute),
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) isHourDisabled(hour int) bool {
|
||
if s.AllowPast {
|
||
return false
|
||
}
|
||
if s.selectedDate == nil {
|
||
return false
|
||
}
|
||
today := time.Now().In(MskLocation)
|
||
date := time.Date(s.selectedDate.Year(), s.selectedDate.Month(), s.selectedDate.Day(), 0, 0, 0, 0, MskLocation)
|
||
todayDate := time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, MskLocation)
|
||
if date.After(todayDate) {
|
||
return false
|
||
}
|
||
return hour < today.Hour()
|
||
}
|
||
|
||
func (s *DateTimePicker) isMinuteDisabled(minute int) bool {
|
||
if s.AllowPast {
|
||
return false
|
||
}
|
||
if s.selectedDate == nil || s.selectedHour == nil {
|
||
return false
|
||
}
|
||
today := time.Now().In(MskLocation)
|
||
date := time.Date(s.selectedDate.Year(), s.selectedDate.Month(), s.selectedDate.Day(), 0, 0, 0, 0, MskLocation)
|
||
todayDate := time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, MskLocation)
|
||
if date.After(todayDate) {
|
||
return false
|
||
}
|
||
if *s.selectedHour > today.Hour() {
|
||
return false
|
||
}
|
||
return minute < today.Minute()
|
||
}
|
||
|
||
func (s *DateTimePicker) prevMonth() {
|
||
if s.AllowPast {
|
||
if s.month == time.January {
|
||
s.month = time.December
|
||
s.year--
|
||
} else {
|
||
s.month--
|
||
}
|
||
return
|
||
}
|
||
|
||
now := time.Now().In(MskLocation)
|
||
if s.year == now.Year() && s.month == now.Month() {
|
||
return
|
||
}
|
||
if s.month == time.January {
|
||
s.month = time.December
|
||
s.year--
|
||
} else {
|
||
s.month--
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) nextMonth() {
|
||
if s.month == time.December {
|
||
s.month = time.January
|
||
s.year++
|
||
} else {
|
||
s.month++
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) monthPrevButton() echotron.InlineKeyboardButton {
|
||
if s.AllowPast {
|
||
return echotron.InlineKeyboardButton{Text: "←", CallbackData: dtpCallbackPrefix + "month_prev"}
|
||
}
|
||
|
||
now := time.Now().In(MskLocation)
|
||
if s.year == now.Year() && s.month == now.Month() {
|
||
return echotron.InlineKeyboardButton{Text: "-", CallbackData: "empty"}
|
||
}
|
||
return echotron.InlineKeyboardButton{Text: "←", CallbackData: dtpCallbackPrefix + "month_prev"}
|
||
}
|
||
|
||
func daysInMonth(year int, month time.Month) int {
|
||
return time.Date(year, month+1, 0, 0, 0, 0, 0, MskLocation).Day()
|
||
}
|
||
|
||
func monthName(month time.Month) string {
|
||
names := []string{
|
||
"Январь", "Февраль", "Март", "Апрель", "Май", "Июнь",
|
||
"Июль", "Август", "Сентябрь", "Октябрь", "Ноябрь", "Декабрь",
|
||
}
|
||
if int(month) < 1 || int(month) > len(names) {
|
||
return ""
|
||
}
|
||
return names[int(month)-1]
|
||
}
|
||
|
||
func parseInt(value string) int {
|
||
result := 0
|
||
for _, r := range value {
|
||
if r < '0' || r > '9' {
|
||
return 0
|
||
}
|
||
result = result*10 + int(r-'0')
|
||
}
|
||
return result
|
||
}
|
||
|
||
func (s *DateTimePicker) HandleMessage(b *bot.Bot, u *echotron.Update) {
|
||
if u.Message == nil || strings.TrimSpace(u.Message.Text) == "" {
|
||
return
|
||
}
|
||
|
||
input := strings.TrimSpace(u.Message.Text)
|
||
switch s.view {
|
||
case pickerViewCalendar:
|
||
value, hasDate, hasTime := parseDateTimeInput(input, s.selectedDate, s.selectedHour, s.selectedMinute, s.AllowPast)
|
||
if !hasDate {
|
||
s.Enter(b, bot.NewMessage)
|
||
return
|
||
}
|
||
s.selectedDate = &value
|
||
if hasTime {
|
||
hour := value.Hour()
|
||
minute := value.Minute()
|
||
s.selectedHour = &hour
|
||
s.selectedMinute = &minute
|
||
}
|
||
if s.IncludeTime {
|
||
s.view = pickerViewTimeCombined
|
||
} else {
|
||
s.view = pickerViewConfirm
|
||
}
|
||
s.Enter(b, bot.NewMessage)
|
||
case pickerViewTimeCombined:
|
||
value, hasDate, hasTime := parseDateTimeInput(input, s.selectedDate, s.selectedHour, s.selectedMinute, s.AllowPast)
|
||
if !hasTime {
|
||
s.Enter(b, bot.NewMessage)
|
||
return
|
||
}
|
||
if hasDate {
|
||
s.selectedDate = &value
|
||
}
|
||
hour := value.Hour()
|
||
minute := value.Minute()
|
||
s.selectedHour = &hour
|
||
s.selectedMinute = &minute
|
||
s.Enter(b, bot.NewMessage)
|
||
default:
|
||
value, hasDate, hasTime := parseDateTimeInput(input, s.selectedDate, s.selectedHour, s.selectedMinute, s.AllowPast)
|
||
if !hasDate && !hasTime {
|
||
s.Enter(b, bot.NewMessage)
|
||
return
|
||
}
|
||
s.selectedDate = &value
|
||
hour := value.Hour()
|
||
minute := value.Minute()
|
||
s.selectedHour = &hour
|
||
s.selectedMinute = &minute
|
||
s.view = pickerViewConfirm
|
||
s.Enter(b, bot.NewMessage)
|
||
}
|
||
}
|
||
|
||
func (s *DateTimePicker) Handle(_ *bot.Bot, _ *echotron.Update) { return }
|
||
|
||
func (s *DateTimePicker) Exit() {}
|
||
|
||
var whenParser *when.Parser
|
||
|
||
func init() {
|
||
whenParser = when.New(nil)
|
||
whenParser.Add(ru.All...)
|
||
whenParser.Add(common.All...)
|
||
}
|
||
|
||
var (
|
||
timeIndicator = regexp.MustCompile(`\d{1,2}[:.]\d{2}|утр|вечер|днём|ночь|час|минут|полдень|полночь`)
|
||
dateIndicator = regexp.MustCompile(`\d{1,2}[./-]\d|сегодня|завтра|вчера|послезавтра|понедельн|вторник|сред[уыа]|четверг|пятниц|суббот|воскресен|янв|фев|мар|апр|ма[йя]|июн|июл|авг|сен|окт|ноя|дек|через.*дн|через.*недел|через.*месяц|через.*год`)
|
||
)
|
||
|
||
func detectTime(matched string) bool {
|
||
return timeIndicator.MatchString(matched)
|
||
}
|
||
|
||
func detectDate(matched string) bool {
|
||
return dateIndicator.MatchString(matched)
|
||
}
|
||
|
||
func parseDateTimeInput(
|
||
input string,
|
||
_ *time.Time,
|
||
_ *int,
|
||
_ *int,
|
||
allowPast bool,
|
||
) (time.Time, bool, bool) {
|
||
now := time.Now().In(MskLocation)
|
||
|
||
r, err := whenParser.Parse(input, now)
|
||
if err != nil || r == nil {
|
||
return time.Time{}, false, false
|
||
}
|
||
|
||
result := r.Time.In(MskLocation)
|
||
matched := strings.ToLower(r.Text)
|
||
|
||
hasDate := detectDate(matched)
|
||
hasTime := detectTime(matched)
|
||
|
||
if !allowPast && result.Before(now) {
|
||
return time.Time{}, false, false
|
||
}
|
||
|
||
return result, hasDate, hasTime
|
||
}
|
||
|
||
func WeekdayName(day time.Weekday) string {
|
||
switch day {
|
||
case time.Monday:
|
||
return "Пн"
|
||
case time.Tuesday:
|
||
return "Вт"
|
||
case time.Wednesday:
|
||
return "Ср"
|
||
case time.Thursday:
|
||
return "Чт"
|
||
case time.Friday:
|
||
return "Пт"
|
||
case time.Saturday:
|
||
return "Сб"
|
||
case time.Sunday:
|
||
return "Вс"
|
||
default:
|
||
return ""
|
||
}
|
||
}
|
||
|
||
func formatCompactDateTime(value time.Time) string {
|
||
weekday := WeekdayName(value.Weekday())
|
||
month := MonthShort(value.Month())
|
||
return fmt.Sprintf("%s %02d %s %s", weekday, value.Day(), month, value.Format("15:04"))
|
||
}
|
||
|
||
func MonthShort(month time.Month) string {
|
||
months := []string{
|
||
"янв", "фев", "мар", "апр", "май", "июн",
|
||
"июл", "авг", "сен", "окт", "ноя", "дек",
|
||
}
|
||
if int(month) < 1 || int(month) > len(months) {
|
||
return ""
|
||
}
|
||
return months[int(month)-1]
|
||
}
|