248 lines
7.4 KiB
Go
248 lines
7.4 KiB
Go
package bot
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import (
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"errors"
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"fmt"
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"time"
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"github.com/celestix/gotgproto/dispatcher"
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"github.com/celestix/gotgproto/ext"
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"github.com/gotd/td/telegram/message/entity"
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"github.com/gotd/td/telegram/message/styling"
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"github.com/gotd/td/tg"
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"github.com/krau/SaveAny-Bot/common"
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"github.com/krau/SaveAny-Bot/dao"
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"github.com/krau/SaveAny-Bot/logger"
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"github.com/krau/SaveAny-Bot/queue"
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"github.com/krau/SaveAny-Bot/storage"
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"github.com/krau/SaveAny-Bot/types"
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)
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var (
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ErrEmptyDocument = errors.New("document is empty")
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ErrEmptyPhoto = errors.New("photo is empty")
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ErrEmptyPhotoSize = errors.New("photo size is empty")
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ErrEmptyPhotoSizes = errors.New("photo size slice is empty")
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ErrNoStorages = errors.New("no available storage")
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)
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func supportedMediaFilter(m *tg.Message) (bool, error) {
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if not := m.Media == nil; not {
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return false, dispatcher.EndGroups
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}
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switch m.Media.(type) {
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case *tg.MessageMediaDocument:
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return true, nil
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case *tg.MessageMediaPhoto:
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return true, nil
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default:
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return false, nil
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}
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}
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// for callback data
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var storageHashName = map[string]string{}
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func getSelectStorageMarkup(userChatID int64, fileChatID, fileMessageID int) (*tg.ReplyInlineMarkup, error) {
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user, err := dao.GetUserByChatID(userChatID)
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if err != nil {
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return nil, fmt.Errorf("failed to get user by chat ID: %d, error: %w", userChatID, err)
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}
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storages := storage.GetUserStorages(user.ChatID)
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if len(storages) == 0 {
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return nil, ErrNoStorages
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}
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buttons := make([]tg.KeyboardButtonClass, 0)
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for _, storage := range storages {
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nameHash := common.HashString(storage.Name())
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storageHashName[nameHash] = storage.Name()
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buttons = append(buttons, &tg.KeyboardButtonCallback{
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Text: storage.Name(),
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Data: []byte(fmt.Sprintf("add %d %d %s", fileChatID, fileMessageID, nameHash)),
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})
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}
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markup := &tg.ReplyInlineMarkup{}
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for i := 0; i < len(buttons); i += 3 {
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row := tg.KeyboardButtonRow{}
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row.Buttons = buttons[i:min(i+3, len(buttons))]
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markup.Rows = append(markup.Rows, row)
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}
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return markup, nil
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}
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func getSetDefaultStorageMarkup(userChatID int64, storages []storage.Storage) *tg.ReplyInlineMarkup {
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buttons := make([]tg.KeyboardButtonClass, 0)
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for _, storage := range storages {
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nameHash := common.HashString(storage.Name())
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storageHashName[nameHash] = storage.Name()
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buttons = append(buttons, &tg.KeyboardButtonCallback{
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Text: storage.Name(),
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Data: []byte(fmt.Sprintf("set_default %d %s", userChatID, nameHash)),
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})
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}
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markup := &tg.ReplyInlineMarkup{}
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for i := 0; i < len(buttons); i += 3 {
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row := tg.KeyboardButtonRow{}
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row.Buttons = buttons[i:min(i+3, len(buttons))]
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markup.Rows = append(markup.Rows, row)
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}
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return markup
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}
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func FileFromMedia(media tg.MessageMediaClass, customFileName string) (*types.File, error) {
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switch media := media.(type) {
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case *tg.MessageMediaDocument:
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document, ok := media.Document.AsNotEmpty()
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if !ok {
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return nil, ErrEmptyDocument
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}
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if customFileName != "" {
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return &types.File{
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Location: document.AsInputDocumentFileLocation(),
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FileSize: document.Size,
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FileName: customFileName,
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}, nil
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}
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fileName := ""
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for _, attribute := range document.Attributes {
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if name, ok := attribute.(*tg.DocumentAttributeFilename); ok {
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fileName = name.GetFileName()
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break
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}
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}
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return &types.File{
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Location: document.AsInputDocumentFileLocation(),
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FileSize: document.Size,
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FileName: fileName,
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}, nil
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case *tg.MessageMediaPhoto:
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photo, ok := media.Photo.AsNotEmpty()
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if !ok {
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return nil, ErrEmptyPhoto
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}
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sizes := photo.Sizes
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if len(sizes) == 0 {
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return nil, ErrEmptyPhotoSizes
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}
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photoSize := sizes[len(sizes)-1]
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size, ok := photoSize.AsNotEmpty()
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if !ok {
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return nil, ErrEmptyPhotoSize
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}
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location := new(tg.InputPhotoFileLocation)
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location.ID = photo.GetID()
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location.AccessHash = photo.GetAccessHash()
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location.FileReference = photo.GetFileReference()
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location.ThumbSize = size.GetType()
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fileName := customFileName
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if fileName == "" {
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fileName = fmt.Sprintf("photo_%s_%d.jpg", time.Now().Format("2006-01-02_15-04-05"), photo.GetID())
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}
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return &types.File{
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Location: location,
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FileSize: 0,
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FileName: fileName,
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}, nil
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}
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return nil, fmt.Errorf("unexpected type %T", media)
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}
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func FileFromMessage(ctx *ext.Context, chatID int64, messageID int, customFileName string) (*types.File, error) {
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key := fmt.Sprintf("file:%d:%d", chatID, messageID)
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logger.L.Debugf("Getting file: %s", key)
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var cachedFile types.File
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err := common.Cache.Get(key, &cachedFile)
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if err == nil {
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return &cachedFile, nil
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}
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message, err := GetTGMessage(ctx, chatID, messageID)
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if err != nil {
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return nil, err
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}
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file, err := FileFromMedia(message.Media, customFileName)
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if err != nil {
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return nil, err
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}
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if err := common.Cache.Set(key, file, 3600); err != nil {
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logger.L.Errorf("Failed to cache file: %s", err)
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}
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return file, nil
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}
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func GetTGMessage(ctx *ext.Context, chatId int64, messageID int) (*tg.Message, error) {
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logger.L.Debugf("Fetching message: %d", messageID)
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messages, err := ctx.GetMessages(chatId, []tg.InputMessageClass{&tg.InputMessageID{ID: messageID}})
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if err != nil {
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return nil, err
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}
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if len(messages) == 0 {
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return nil, errors.New("no messages found")
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}
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msg := messages[0]
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tgMessage, ok := msg.(*tg.Message)
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if !ok {
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return nil, fmt.Errorf("unexpected message type: %T", msg)
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}
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return tgMessage, nil
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}
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func ProvideSelectMessage(ctx *ext.Context, update *ext.Update, file *types.File, chatID int64, fileMsgID, toEditMsgID int) error {
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entityBuilder := entity.Builder{}
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var entities []tg.MessageEntityClass
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text := fmt.Sprintf("文件名: %s\n请选择存储位置", file.FileName)
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if err := styling.Perform(&entityBuilder,
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styling.Plain("文件名: "),
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styling.Code(file.FileName),
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styling.Plain("\n请选择存储位置"),
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); err != nil {
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logger.L.Errorf("Failed to build entity: %s", err)
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} else {
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text, entities = entityBuilder.Complete()
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}
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markup, err := getSelectStorageMarkup(update.GetUserChat().GetID(), int(chatID), fileMsgID)
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if errors.Is(err, ErrNoStorages) {
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logger.L.Errorf("Failed to get select storage markup: %s", err)
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ctx.EditMessage(update.EffectiveChat().GetID(), &tg.MessagesEditMessageRequest{
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Message: "无可用存储",
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ID: toEditMsgID,
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})
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return dispatcher.EndGroups
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} else if err != nil {
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logger.L.Errorf("Failed to get select storage markup: %s", err)
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ctx.EditMessage(update.EffectiveChat().GetID(), &tg.MessagesEditMessageRequest{
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Message: "无法获取存储",
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ID: toEditMsgID,
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})
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return dispatcher.EndGroups
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}
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_, err = ctx.EditMessage(update.EffectiveChat().GetID(), &tg.MessagesEditMessageRequest{
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Message: text,
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Entities: entities,
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ReplyMarkup: markup,
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ID: toEditMsgID,
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})
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if err != nil {
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logger.L.Errorf("Failed to reply: %s", err)
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}
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return dispatcher.EndGroups
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}
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func HandleSilentAddTask(ctx *ext.Context, update *ext.Update, user *types.User, task *types.Task) error {
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if user.DefaultStorage == "" {
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ctx.EditMessage(update.EffectiveChat().GetID(), &tg.MessagesEditMessageRequest{
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Message: "请先使用 /storage 设置默认存储位置",
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ID: task.ReplyMessageID,
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})
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return dispatcher.EndGroups
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}
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queue.AddTask(*task)
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ctx.EditMessage(update.EffectiveChat().GetID(), &tg.MessagesEditMessageRequest{
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Message: fmt.Sprintf("已添加到队列: %s\n当前排队任务数: %d", task.FileName(), queue.Len()),
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ID: task.ReplyMessageID,
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})
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return dispatcher.EndGroups
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}
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