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package telebot
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import (
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"encoding/json"
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"fmt"
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"strconv"
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)
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type StickerSetType = string
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const (
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StickerRegular = "regular"
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StickerMask = "mask"
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StickerCustomEmoji = "custom_emoji"
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)
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type StickerSetFormat = string
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const (
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StickerStatic = "static"
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StickerAnimated = "animated"
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StickerVideo = "video"
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)
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// StickerSet represents a sticker set.
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type StickerSet struct {
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Type StickerSetType `json:"sticker_type"`
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Format StickerSetFormat `json:"sticker_format"`
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Name string `json:"name"`
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Title string `json:"title"`
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Animated bool `json:"is_animated"`
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Video bool `json:"is_video"`
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Stickers []Sticker `json:"stickers"`
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Sticker Sticker `json:"sticker"`
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Thumbnail *Photo `json:"thumbnail"`
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Emojis string `json:"emojis"`
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ContainsMasks bool `json:"contains_masks"` // FIXME: can be removed
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MaskPosition *MaskPosition `json:"mask_position"`
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Repaint bool `json:"needs_repainting"`
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}
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// MaskPosition describes the position on faces where
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// a mask should be placed by default.
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type MaskPosition struct {
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Feature MaskFeature `json:"point"`
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XShift float32 `json:"x_shift"`
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YShift float32 `json:"y_shift"`
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Scale float32 `json:"scale"`
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}
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// MaskFeature defines sticker mask position.
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type MaskFeature string
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const (
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FeatureForehead MaskFeature = "forehead"
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FeatureEyes MaskFeature = "eyes"
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FeatureMouth MaskFeature = "mouth"
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FeatureChin MaskFeature = "chin"
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)
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// UploadSticker uploads a PNG file with a sticker for later use.
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func (b *Bot) UploadSticker(to Recipient, s StickerSet) (*File, error) {
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files := map[string]File{
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"sticker": s.Sticker.File,
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}
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params := map[string]string{
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"user_id": to.Recipient(),
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"sticker_format": s.Format,
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}
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data, err := b.sendFiles("uploadStickerFile", files, params)
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if err != nil {
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return nil, err
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}
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var resp struct {
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Result File
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}
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if err := json.Unmarshal(data, &resp); err != nil {
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return nil, wrapError(err)
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}
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return &resp.Result, nil
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}
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// StickerSet returns a sticker set on success.
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func (b *Bot) StickerSet(name string) (*StickerSet, error) {
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data, err := b.Raw("getStickerSet", map[string]string{"name": name})
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if err != nil {
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return nil, err
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}
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var resp struct {
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Result *StickerSet
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}
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if err := json.Unmarshal(data, &resp); err != nil {
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return nil, wrapError(err)
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}
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return resp.Result, nil
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}
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// CreateStickerSet creates a new sticker set.
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func (b *Bot) CreateStickerSet(to Recipient, s StickerSet) error {
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files := make(map[string]File)
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for i, sticker := range s.Stickers {
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key := fmt.Sprint("sticker", i)
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files[key] = sticker.File
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}
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data, err := json.Marshal(s.Stickers)
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if err != nil {
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return err
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}
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params := map[string]string{
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"user_id": to.Recipient(),
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"name": s.Name,
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"title": s.Title,
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"sticker_type": s.Type,
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"sticker_format": s.Format,
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"stickers": string(data),
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"needs_repainting": strconv.FormatBool(s.Repaint),
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}
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_, err = b.sendFiles("createNewStickerSet", files, params)
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return err
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}
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// AddStickerToSet adds a new sticker to the existing sticker set.
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func (b *Bot) AddStickerToSet(to Recipient, s StickerSet) error {
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var (
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files = make(map[string]File)
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sticker = s.Sticker
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)
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files["sticker"] = sticker.File
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params := map[string]string{
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"user_id": to.Recipient(),
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"name": s.Name,
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}
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if sticker.Emojis != nil {
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data, _ := json.Marshal(s.Emojis)
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params["emoji_list"] = string(data)
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}
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if s.MaskPosition != nil {
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data, _ := json.Marshal(s.MaskPosition)
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params["mask_position"] = string(data)
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}
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if sticker.Keywords != nil {
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data, _ := json.Marshal(sticker.Keywords)
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params["keywords"] = string(data)
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}
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_, err := b.sendFiles("addStickerToSet", files, params)
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return err
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}
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// SetStickerPosition moves a sticker in set to a specific position.
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func (b *Bot) SetStickerPosition(sticker string, position int) error {
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params := map[string]string{
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"sticker": sticker,
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"position": strconv.Itoa(position),
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}
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_, err := b.Raw("setStickerPositionInSet", params)
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return err
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}
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// DeleteSticker deletes a sticker from a set created by the bot.
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func (b *Bot) DeleteSticker(sticker string) error {
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_, err := b.Raw("deleteStickerFromSet", map[string]string{"sticker": sticker})
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return err
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}
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// SetStickerSetThumb sets a thumbnail of the sticker set.
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// Animated thumbnails can be set for animated sticker sets only.
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//
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// Thumbnail must be a PNG image, up to 128 kilobytes in size
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// and have width and height exactly 100px, or a TGS animation
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// up to 32 kilobytes in size.
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//
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// Animated sticker set thumbnail can't be uploaded via HTTP URL.
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func (b *Bot) SetStickerSetThumb(to Recipient, s StickerSet) error {
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var (
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sticker = s.Sticker
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files = make(map[string]File)
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)
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files["thumbnail"] = sticker.File
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data, err := json.Marshal(sticker.File)
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if err != nil {
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return err
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}
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params := map[string]string{
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"name": s.Name,
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"user_id": to.Recipient(),
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"thumbnail": string(data),
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}
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_, err = b.sendFiles("setStickerSetThumbnail", files, params)
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return err
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}
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// SetStickerSetTitle sets the title of a created sticker set.
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func (b *Bot) SetStickerSetTitle(s StickerSet) error {
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params := map[string]string{
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"name": s.Name,
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"title": s.Title,
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}
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_, err := b.Raw("setStickerSetTitle", params)
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return err
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}
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// DeleteStickerSet deletes a sticker set that was created by the bot.
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func (b *Bot) DeleteStickerSet(name string) error {
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params := map[string]string{"name": name}
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_, err := b.Raw("deleteStickerSet", params)
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return err
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}
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// SetStickerEmojiList changes the list of emoji assigned to a regular or custom emoji sticker.
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func (b *Bot) SetStickerEmojiList(sticker string, emojis []string) error {
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data, err := json.Marshal(emojis)
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if err != nil {
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return err
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}
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params := map[string]string{
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"sticker": sticker,
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"emoji_list": string(data),
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}
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_, err = b.Raw("setStickerEmojiList", params)
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return err
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}
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// SetStickerKeywords changes search keywords assigned to a regular or custom emoji sticker.
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func (b *Bot) SetStickerKeywords(sticker string, keywords []string) error {
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mk, err := json.Marshal(keywords)
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if err != nil {
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return err
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}
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params := map[string]string{
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"sticker": sticker,
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"keywords": string(mk),
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}
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_, err = b.Raw("setStickerKeywords", params)
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return err
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}
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// SetStickerMaskPosition changes the mask position of a mask sticker.
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func (b *Bot) SetStickerMaskPosition(sticker string, mask MaskPosition) error {
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data, err := json.Marshal(mask)
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if err != nil {
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return err
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}
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params := map[string]string{
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"sticker": sticker,
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"mask_position": string(data),
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}
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_, err = b.Raw("setStickerMaskPosition", params)
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return err
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}
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// CustomEmojiStickers returns the information about custom emoji stickers by their ids.
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func (b *Bot) CustomEmojiStickers(ids []string) ([]Sticker, error) {
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data, _ := json.Marshal(ids)
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params := map[string]string{
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"custom_emoji_ids": string(data),
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}
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data, err := b.Raw("getCustomEmojiStickers", params)
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if err != nil {
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return nil, err
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}
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var resp struct {
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Result []Sticker
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}
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if err := json.Unmarshal(data, &resp); err != nil {
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return nil, wrapError(err)
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}
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return resp.Result, nil
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}
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// SetCustomEmojiStickerSetThumb sets the thumbnail of a custom emoji sticker set.
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func (b *Bot) SetCustomEmojiStickerSetThumb(name, id string) error {
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params := map[string]string{
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"name": name,
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"custom_emoji_id": id,
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}
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_, err := b.Raw("setCustomEmojiStickerSetThumbnail", params)
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return err
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}
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