slices additions; v0.3.8

api.go

@@ -63,3 +63,18 @@ func (r TelegramRequest[R, P]) Do(bot *Bot) (*R, error) {
 	}
 	return &response.Result, nil
 }
+
+func (b *Bot) GetFileByLink(link string) ([]byte, error) {
+	c := http.DefaultClient
+	u := fmt.Sprintf("https://api.telegram.org/file/bot%s/%s", b.token, link)
+	req, err := http.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, err
+	}
+	res, err := c.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+	return io.ReadAll(res.Body)
+}

methods.go

@@ -73,21 +73,36 @@ func (b *Bot) SendMessage(params *SendMessageP) (*Message, error) {
 	return req.Do(b)
 }
 
+type SendPhotoBaseP struct {
+	BusinessConnectionID  string                `json:"business_connection_id,omitempty"`
+	ChatID                int                   `json:"chat_id"`
+	MessageThreadID       int                   `json:"message_thread_id,omitempty"`
+	ParseMode             ParseMode             `json:"parse_mode,omitempty"`
+	Caption               string                `json:"caption,omitempty"`
+	CaptionEntities       []*MessageEntity      `json:"caption_entities,omitempty"`
+	ShowCaptionAboveMedia bool                  `json:"show_caption_above_media,omitempty"`
+	HasSpoiler            bool                  `json:"has_spoiler,omitempty"`
+	DisableNotifications  bool                  `json:"disable_notifications,omitempty"`
+	ProtectContent        bool                  `json:"protect_content,omitempty"`
+	AllowPaidBroadcast    bool                  `json:"allow_paid_broadcast,omitempty"`
+	MessageEffectID       string                `json:"message_effect_id,omitempty"`
+	ReplyMarkup           *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
+}
 type SendPhotoP struct {
 	BusinessConnectionID  string               `json:"business_connection_id,omitempty"`
 	ChatID                int                  `json:"chat_id"`
 	MessageThreadID       int                  `json:"message_thread_id,omitempty"`
 	ParseMode             ParseMode            `json:"parse_mode,omitempty"`
-	Photo                 string               `json:"photo"`
 	Caption               string               `json:"caption,omitempty"`
 	CaptionEntities       []*MessageEntity     `json:"caption_entities,omitempty"`
-	ShowCaptionAboveMedia bool                 `json:"show_caption_above_media"`
-	HasSpoiler            bool                 `json:"has_spoiler"`
+	ShowCaptionAboveMedia bool                 `json:"show_caption_above_media,omitempty"`
+	HasSpoiler            bool                 `json:"has_spoiler,omitempty"`
 	DisableNotifications  bool                 `json:"disable_notifications,omitempty"`
 	ProtectContent        bool                 `json:"protect_content,omitempty"`
 	AllowPaidBroadcast    bool                 `json:"allow_paid_broadcast,omitempty"`
 	MessageEffectID       string               `json:"message_effect_id,omitempty"`
 	ReplyMarkup           InlineKeyboardMarkup `json:"reply_markup,omitempty"`
+	Photo                 string               `json:"photo"`
 }
 
 func (b *Bot) SendPhoto(params *SendPhotoP) (*Message, error) {
@@ -155,3 +170,28 @@ func (b *Bot) AnswerCallbackQuery(params *AnswerCallbackQueryP) (bool, error) {
 	}
 	return *ok, err
 }
+
+type GetFileP struct {
+	FileId string `json:"file_id"`
+}
+
+func (b *Bot) GetFile(params *GetFileP) (*File, error) {
+	req := NewRequest[File]("getFile", params)
+	return req.Do(b)
+}
+
+type SendChatActionP struct {
+	BusinessConnectionID string      `json:"business_connection_id,omitempty"`
+	ChatID               int         `json:"chat_id"`
+	MessageThreadID      int         `json:"message_thread_id,omitempty"`
+	Action               ChatActions `json:"action"`
+}
+
+func (b *Bot) SendChatAction(params SendChatActionP) (bool, error) {
+	req := NewRequest[bool]("sendChatAction", params)
+	res, err := req.Do(b)
+	if err != nil {
+		return false, err
+	}
+	return *res, err
+}

msg_context.go

@@ -76,6 +76,10 @@ func (ctx *MsgContext) editPhotoText(messageId int, text string, kb *InlineKeybo
 	}
 }
 func (m *AnswerMessage) EditCaption(text string) *AnswerMessage {
+	if m.MessageID == 0 {
+		m.ctx.Bot.logger.Errorln("Can't edit caption message, message id is zero")
+		return m
+	}
 	return m.ctx.editPhotoText(m.MessageID, text, nil)
 }
 func (m *AnswerMessage) EditCaptionKeyboard(text string, kb *InlineKeyboard) *AnswerMessage {
@@ -115,8 +119,8 @@ func (ctx *MsgContext) answerPhoto(photoId, text string, kb *InlineKeyboard) *An
 	params := &SendPhotoP{
 		ChatID:    ctx.Msg.Chat.ID,
 		Caption:   text,
-		Photo:     photoId,
 		ParseMode: ParseMD,
+		Photo:     photoId,
 	}
 	if kb != nil {
 		params.ReplyMarkup = kb.Get()
@@ -124,6 +128,9 @@ func (ctx *MsgContext) answerPhoto(photoId, text string, kb *InlineKeyboard) *An
 	msg, err := ctx.Bot.SendPhoto(params)
 	if err != nil {
 		ctx.Bot.logger.Errorln(err)
+		return &AnswerMessage{
+			ctx: ctx, Text: text, IsMedia: true,
+		}
 	}
 	return &AnswerMessage{
 		MessageID: msg.MessageID, ctx: ctx, Text: text, IsMedia: true,
@@ -177,6 +184,15 @@ func (ctx *MsgContext) AnswerCbQueryUrl(u string) {
 	ctx.answerCallbackQuery(u, "", false)
 }
 
+func (ctx *MsgContext) SendAction(action ChatActions) {
+	_, err := ctx.Bot.SendChatAction(SendChatActionP{
+		ChatID: ctx.Msg.Chat.ID, Action: action,
+	})
+	if err != nil {
+		ctx.Bot.logger.Errorln(err)
+	}
+}
+
 func (ctx *MsgContext) error(err error) {
 	text := fmt.Sprintf(ctx.Bot.errorTemplate, EscapeMarkdown(err.Error()))
 

multipart.go

@@ -0,0 +1,131 @@
+package laniakea
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"reflect"
+	"slices"
+	"strconv"
+	"strings"
+)
+
+func Encode[T any](w *multipart.Writer, req T) error {
+	v := reflect.ValueOf(req)
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+
+	if v.Kind() != reflect.Struct {
+		return fmt.Errorf("req must be a struct")
+	}
+
+	t := v.Type()
+	for i := 0; i < v.NumField(); i++ {
+		field := v.Field(i)
+		fieldType := t.Field(i)
+
+		formTags := strings.Split(fieldType.Tag.Get("json"), ",")
+		fieldName := ""
+		if len(formTags) == 0 {
+			formTags = strings.Split(fieldType.Tag.Get("json"), ",")
+		}
+
+		if len(formTags) > 0 {
+			fieldName = formTags[0]
+			if fieldName == "-" {
+				continue
+			}
+			if slices.Index(formTags, "omitempty") >= 0 {
+				if field.IsZero() {
+					continue
+				}
+			}
+		} else {
+			fieldName = strings.ToLower(fieldType.Name)
+		}
+
+		var (
+			fw  io.Writer
+			err error
+		)
+		switch field.Kind() {
+		case reflect.String:
+			if field.String() != "" {
+				fw, err = w.CreateFormField(fieldName)
+				if err == nil {
+					_, err = fw.Write([]byte(field.String()))
+				}
+			}
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			fw, err = w.CreateFormField(fieldName)
+			if err == nil {
+				_, err = fw.Write([]byte(strconv.FormatInt(field.Int(), 10)))
+			}
+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+			fw, err = w.CreateFormField(fieldName)
+			if err == nil {
+				_, err = fw.Write([]byte(strconv.FormatUint(field.Uint(), 10)))
+			}
+		case reflect.Float32, reflect.Float64:
+			fw, err = w.CreateFormField(fieldName)
+			if err == nil {
+				_, err = fw.Write([]byte(strconv.FormatFloat(field.Float(), 'f', -1, 64)))
+			}
+		case reflect.Bool:
+			fw, err = w.CreateFormField(fieldName)
+			if err == nil {
+				_, err = fw.Write([]byte(strconv.FormatBool(field.Bool())))
+			}
+
+		case reflect.Slice:
+			if field.Type().Elem().Kind() == reflect.Uint8 && !field.IsNil() {
+				filename := fieldType.Tag.Get("filename")
+				if filename == "" {
+					filename = fieldName
+				}
+
+				ext := ""
+				filename = filename + ext
+
+				fw, err = w.CreateFormFile(fieldName, filename)
+				if err == nil {
+					_, err = fw.Write(field.Bytes())
+				}
+			} else if !field.IsNil() {
+				// Handle slice of primitive values (as multiple form fields with the same name)
+				for j := 0; j < field.Len(); j++ {
+					elem := field.Index(j)
+					fw, err = w.CreateFormField(fieldName)
+					if err == nil {
+						switch elem.Kind() {
+						case reflect.String:
+							_, err = fw.Write([]byte(elem.String()))
+						case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+							_, err = fw.Write([]byte(strconv.FormatInt(elem.Int(), 10)))
+						case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+							_, err = fw.Write([]byte(strconv.FormatUint(elem.Uint(), 10)))
+						}
+					}
+				}
+			}
+
+		case reflect.Struct:
+			var jsonData []byte
+			jsonData, err = json.Marshal(field.Interface())
+			if err == nil {
+				fw, err = w.CreateFormField(fieldName)
+				if err == nil {
+					_, err = fw.Write(jsonData)
+				}
+			}
+		}
+
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

slice.go

@@ -0,0 +1,151 @@
+package laniakea
+
+import "slices"
+
+type Slice[T comparable] []T
+
+func NewSliceFrom[T comparable](slice []T) Slice[T] {
+	s := make(Slice[T], len(slice))
+	copy(s[:], slice)
+	return s
+}
+func (s Slice[T]) Len() int {
+	return len(s)
+}
+func (s Slice[T]) Cap() int {
+	return cap(s)
+}
+func (s Slice[T]) Get(index int) T {
+	return s[index]
+}
+func (s Slice[T]) Last() T {
+	return s.Get(s.Len() - 1)
+}
+func (s Slice[T]) Swap(i, j int) Slice[T] {
+	s[i], s[j] = s[j], s[i]
+	return s
+}
+func (s Slice[T]) Filter(f func(e T) bool) Slice[T] {
+	out := make(Slice[T], 0)
+	for _, v := range s {
+		if f(v) {
+			out = append(out, v)
+		}
+	}
+	return out
+}
+func (s Slice[T]) Map(f func(e T) T) Slice[T] {
+	out := make(Slice[T], s.Len())
+	for i, v := range s {
+		out[i] = f(v)
+	}
+	return out
+}
+func (s Slice[T]) Pop(index int) Slice[T] {
+	if index == 0 {
+		return s[1:]
+	}
+	out := make(Slice[T], s.Len()-index)
+	for i, e := range s {
+		if i == index {
+			continue
+		}
+		out[i] = e
+	}
+	return out
+}
+func (s Slice[T]) Remove(el T) Slice[T] {
+	index := slices.Index(s, el)
+	if index == -1 {
+		return s
+	}
+	return s.Pop(index)
+}
+func (s Slice[T]) Push(e T) Slice[T] {
+	return append(s, e)
+}
+
+func (s Slice[T]) ToArray() []T {
+	out := make([]T, len(s))
+	copy(out, s)
+	return out
+}
+func (s Slice[T]) ToAnyArray() []any {
+	out := make([]any, len(s))
+	for i, v := range s {
+		out[i] = v
+	}
+	return out
+}
+
+type Set[T comparable] []T
+
+func NewSetFrom[T comparable](slice []T) Set[T] {
+	s := make(Set[T], 0)
+	for _, v := range slice {
+		if slices.Index(slice, v) >= 0 {
+			continue
+		}
+		s = append(s, v)
+	}
+	return s
+}
+func (s Set[T]) Len() int {
+	return len(s)
+}
+func (s Set[T]) Cap() int {
+	return cap(s)
+}
+func (s Set[T]) Get(index int) T {
+	return s[index]
+}
+func (s Set[T]) Last() T {
+	return s[s.Len()-1]
+}
+func (s Set[T]) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+func (s Set[T]) Add(v T) Set[T] {
+	index := slices.Index(s, v)
+	if index >= 0 {
+		return s
+	}
+	return append(s, v)
+}
+func (s Set[T]) Pop(index int) Set[T] {
+	if index == 0 {
+		return s[1:]
+	}
+	out := make(Set[T], s.Len()-index)
+	for i, e := range s {
+		if i == index {
+			continue
+		}
+		out[i] = e
+	}
+	return out
+}
+func (s Set[T]) Remove(el T) Set[T] {
+	index := slices.Index(s, el)
+	if index == -1 {
+		return s
+	}
+	return s.Pop(index)
+}
+func (s Set[T]) ToSlice() Slice[T] {
+	out := make(Slice[T], s.Len())
+	copy(out, s)
+	return out
+}
+func (s Set[T]) ToArray() []T {
+	out := make([]T, len(s))
+	copy(out, s)
+	return out
+}
+func (s Set[T]) ToAnyArray() []any {
+	out := make([]any, len(s))
+	for i, v := range s {
+		out[i] = v
+	}
+	return out
+}

types.go

@@ -54,7 +54,7 @@ type Message struct {
 	Chat            *Chat  `json:"chat,omitempty"`
 	Text            string `json:"text"`
 
-	Photo          []*PhotoSize `json:"photo,omitempty"`
+	Photo          Slice[*PhotoSize] `json:"photo,omitempty"`
 	Caption        string            `json:"caption,omitempty"`
 	ReplyToMessage *Message          `json:"reply_to_message"`
 
@@ -172,3 +172,23 @@ type ReactionCount struct {
 	Type       *ReactionType `json:"type"`
 	TotalCount int           `json:"total_count"`
 }
+
+type File struct {
+	FileId       string `json:"file_id"`
+	FileUniqueID string `json:"file_unique_id"`
+	FileSize     int    `json:"file_size,omitempty"`
+	FilePath     string `json:"file_path,omitempty"`
+}
+
+type ChatActions string
+
+const (
+	ChatActionTyping          ChatActions = "typing"
+	ChatActionUploadPhoto     ChatActions = "upload_photo"
+	ChatActionUploadVideo     ChatActions = "upload_video"
+	ChatActionUploadVoice     ChatActions = "upload_voice"
+	ChatActionUploadDocument  ChatActions = "upload_document"
+	ChatActionChooseSticker   ChatActions = "choose_sticker"
+	ChatActionFindLocation    ChatActions = "find_location"
+	ChatActionUploadVideoNone ChatActions = "upload_video_none"
+)

uploader.go

@@ -0,0 +1,136 @@
+package laniakea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"path/filepath"
+)
+
+type Uploader struct {
+	bot *Bot
+}
+
+func NewUploader(bot *Bot) *Uploader {
+	return &Uploader{bot: bot}
+}
+
+type UploaderFileType string
+
+const (
+	UploaderPhotoType     UploaderFileType = "photo"
+	UploaderVideoType     UploaderFileType = "video"
+	UploaderAudioType     UploaderFileType = "audio"
+	UploaderDocumentType  UploaderFileType = "document"
+	UploaderVoiceType     UploaderFileType = "voice"
+	UploaderVideoNoteType UploaderFileType = "video_note"
+)
+
+type UploaderFile struct {
+	filename string
+	data     []byte
+	t        UploaderFileType
+}
+
+func NewUploaderFile(name string, data []byte) UploaderFile {
+	t := uploaderTypeByExt(name)
+	return UploaderFile{filename: name, data: data, t: t}
+}
+
+// SetType used when auto-detect failed. I.e. you sending a voice message, but it detects as audio
+func (f UploaderFile) SetType(t UploaderFileType) UploaderFile {
+	f.t = t
+	return f
+}
+
+type UploaderRequest[R, P any] struct {
+	method string
+	file   UploaderFile
+	params P
+}
+
+func NewUploaderRequest[R, P any](method string, file UploaderFile, params P) UploaderRequest[R, P] {
+	return UploaderRequest[R, P]{method, file, params}
+}
+
+func (u UploaderRequest[R, P]) Do(bot *Bot) (*R, error) {
+	url := fmt.Sprintf("https://api.telegram.org/bot%s/%s", bot.token, u.method)
+
+	buf := bytes.NewBuffer(nil)
+	w := multipart.NewWriter(buf)
+
+	fw, err := w.CreateFormFile(string(u.file.t), u.file.filename)
+	if err != nil {
+		w.Close()
+		return nil, err
+	}
+	_, err = fw.Write(u.file.data)
+	if err != nil {
+		w.Close()
+		return nil, err
+	}
+	err = Encode(w, u.params)
+	if err != nil {
+		w.Close()
+		return nil, err
+	}
+	err = w.Close()
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest("POST", url, buf)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", w.FormDataContentType())
+	bot.logger.Debugln("UPLOADER REQ", u.method)
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+	bot.logger.Debugln("UPLOADER RES", u.method, string(body))
+	if res.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("[%d] %s", res.StatusCode, string(body))
+	}
+
+	response := new(ApiResponse[*R])
+	err = json.Unmarshal(body, response)
+	if err != nil {
+		return nil, err
+	}
+	if !response.Ok {
+		return nil, fmt.Errorf("[%d] %s", response.ErrorCode, response.Description)
+	}
+	return response.Result, nil
+}
+
+func (u *Uploader) UploadPhoto(file UploaderFile, params SendPhotoBaseP) (*Message, error) {
+	req := NewUploaderRequest[Message]("sendPhoto", file, params)
+	return req.Do(u.bot)
+}
+
+func uploaderTypeByExt(filename string) UploaderFileType {
+	ext := filepath.Ext(filename)
+	switch ext {
+	case ".jpg", ".jpeg", ".png", ".webp", ".bmp":
+		return UploaderPhotoType
+	case ".mp4":
+		return UploaderVideoType
+	case ".mp3", ".m4a":
+		return UploaderAudioType
+	case ".ogg":
+		return UploaderVoiceType
+	default:
+		return UploaderDocumentType
+	}
+}

utils.go

@@ -41,12 +41,12 @@ func MapToJson(m map[string]any) (string, error) {
 	return string(data), err
 }
 
-func StructToMap(s interface{}) (map[string]interface{}, error) {
+func StructToMap(s any) (map[string]any, error) {
 	data, err := json.Marshal(s)
 	if err != nil {
 		return nil, err
 	}
-	m := make(map[string]interface{})
+	m := make(map[string]any)
 	err = json.Unmarshal(data, &m)
 	return m, err
 }

version.go

@@ -1,8 +1,8 @@
 package laniakea
 
 const (
-	VersionString = "0.3.6"
+	VersionString = "0.3.8"
 	VersionMajor  = 0
 	VersionMinor  = 3
-	VersionPatch  = 6
+	VersionPatch  = 8
 )