119 lines
2.6 KiB
Go
119 lines
2.6 KiB
Go
package tg
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import (
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apix "github.com/go-telegram-bot-api/telegram-bot-api/v5"
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"fmt"
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"crypto/rand"
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"encoding/base64"
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)
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// The type wraps Telegram API's button to provide Action functionality.
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type Button struct {
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Text string
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Data string
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Url string
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SendLocation bool
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Action Action
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}
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type ButtonMap map[string]*Button
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// Returns the only location button in the map.
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func (btnMap ButtonMap) LocationButton() *Button {
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for _, btn := range btnMap {
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if btn.SendLocation {
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return btn
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}
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}
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return nil
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}
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// Represents the reply button row.
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type ButtonRow []*Button
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// Returns new button with the specified text and no action.
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func NewButton(format string, v ...any) *Button {
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return &Button{
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Text: fmt.Sprintf(format, v...),
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}
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}
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// Randomize buttons data to make the key unique.
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func (btn *Button) Rand() *Button {
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rData := make([]byte, 8)
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rand.Read(rData)
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data := make([]byte, base64.StdEncoding.EncodedLen(len(rData)))
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base64.StdEncoding.Encode(data, rData)
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btn.Data = string(data)
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return btn
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}
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// Set the URL for the button. Only for inline buttons.
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func (btn *Button) WithUrl(url string) *Button {
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btn.Url = url
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return btn
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}
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// Set the action when pressing the button.
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// By default is nil and does nothing.
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func (btn *Button) WithAction(a Action) *Button {
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btn.Action = a
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return btn
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}
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func (btn *Button) WithData(dat string) *Button {
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btn.Data = dat
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return btn
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}
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// Sets whether the button must send owner's location.
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func (btn *Button) WithSendLocation(ok bool) *Button {
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btn.SendLocation = ok
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return btn
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}
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func (btn *Button) ActionFunc(fn ActionFunc) *Button {
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return btn.WithAction(fn)
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}
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func (btn *Button) Go(pth Path, args ...any) *Button {
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return btn.WithAction(ScreenGo{
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Path: pth,
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Args: args,
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})
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}
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func (btn *Button) ToTelegram() apix.KeyboardButton {
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ret := apix.NewKeyboardButton(btn.Text)
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if btn.SendLocation {
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ret.RequestLocation = true
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}
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return ret
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}
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func (btn *Button) ToTelegramInline() apix.InlineKeyboardButton {
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if btn.Data != "" {
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return apix.NewInlineKeyboardButtonData(btn.Text, btn.Data)
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}
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if btn.Url != "" {
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return apix.NewInlineKeyboardButtonURL(btn.Text, btn.Url)
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}
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// If no match then return the data one with data the same as the text.
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return apix.NewInlineKeyboardButtonData(btn.Text, btn.Text)
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}
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// Return the key of the button to identify it by messages and callbacks.
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func (btn *Button) Key() string {
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if btn.Data != "" {
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return btn.Data
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}
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// If no match then return the data one with data the same as the text.
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return btn.Text
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}
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func NewButtonRow(btns ...*Button) ButtonRow {
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return btns
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}
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