feat: sync bot rich messages and inline menus

internal/botapi/rich_message.go

@@ -0,0 +1,99 @@
+package botapi
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"strconv"
+	"strings"
+
+	"telesrv/internal/domain"
+)
+
+const maxBotAPIRichSourceBytes = 256 << 10
+
+func richMessageInputFromAPI(raw string) (domain.BotAPIRichMessageInput, error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" || len(raw) > maxBotAPIRichSourceBytes {
+		return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+	}
+	var fields map[string]json.RawMessage
+	if err := json.Unmarshal([]byte(raw), &fields); err != nil {
+		return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+	}
+	var out domain.BotAPIRichMessageInput
+	sources := 0
+	if value, ok := fields["html"]; ok && !bytes.Equal(bytes.TrimSpace(value), []byte("null")) {
+		if err := json.Unmarshal(value, &out.HTML); err != nil || out.HTML == "" {
+			return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+		}
+		sources++
+	}
+	if value, ok := fields["markdown"]; ok && !bytes.Equal(bytes.TrimSpace(value), []byte("null")) {
+		if err := json.Unmarshal(value, &out.Markdown); err != nil || out.Markdown == "" {
+			return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+		}
+		sources++
+	}
+	if value, ok := fields["blocks"]; ok && !bytes.Equal(bytes.TrimSpace(value), []byte("null")) {
+		if len(bytes.TrimSpace(value)) == 0 {
+			return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+		}
+		out.BlocksJSON = append([]byte(nil), value...)
+		sources++
+	}
+	if sources != 1 {
+		return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+	}
+	if len(out.BlocksJSON) != 0 {
+		return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_BLOCKS_UNSUPPORTED")
+	}
+	if value, ok := fields["media"]; ok && !bytes.Equal(bytes.TrimSpace(value), []byte("null")) && !bytes.Equal(bytes.TrimSpace(value), []byte("[]")) {
+		out.MediaJSON = append([]byte(nil), value...)
+		return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_MEDIA_UNSUPPORTED")
+	}
+	if value, ok := fields["is_rtl"]; ok {
+		if err := json.Unmarshal(value, &out.RTL); err != nil {
+			return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+		}
+	}
+	if value, ok := fields["skip_entity_detection"]; ok {
+		if err := json.Unmarshal(value, &out.SkipEntityDetection); err != nil {
+			return domain.BotAPIRichMessageInput{}, errors.New("RICH_MESSAGE_INVALID")
+		}
+	}
+	return out, nil
+}
+
+func richReplyMessageID(values map[string]string) (int, error) {
+	legacy := apiInt(values["reply_to_message_id"], 0)
+	raw := strings.TrimSpace(values["reply_parameters"])
+	if raw == "" {
+		if legacy < 0 {
+			return 0, errors.New("REPLY_MESSAGE_ID_INVALID")
+		}
+		return legacy, nil
+	}
+	if legacy != 0 {
+		return 0, errors.New("REPLY_PARAMETERS_INVALID")
+	}
+	var payload struct {
+		MessageID int `json:"message_id"`
+	}
+	if err := json.Unmarshal([]byte(raw), &payload); err != nil || payload.MessageID <= 0 {
+		return 0, errors.New("REPLY_PARAMETERS_INVALID")
+	}
+	return payload.MessageID, nil
+}
+
+func apiInt64(raw string) (int64, error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return 0, nil
+	}
+	value, err := strconv.ParseInt(raw, 10, 64)
+	if err != nil || value < 0 {
+		return 0, errors.New("VALUE_INVALID")
+	}
+	return value, nil
+}