fix: issues

internal/channel_message.go

@@ -0,0 +1,33 @@
+package internal
+
+import "fmt"
+
+type ChannelMessage struct {
+	ID      int
+	Message string
+	Medias  []ChannelMessageMedia
+}
+
+type ChannelMessageMedia struct {
+	Photo string
+	Video string
+}
+
+func NewChannelMessage(id int) *ChannelMessage {
+	return &ChannelMessage{ID: id}
+}
+
+func (c *ChannelMessage) WithMessage(message string) *ChannelMessage {
+	c.Message = message
+	return c
+}
+
+func (c *ChannelMessage) WithPhoto(assetID int64, ext string) *ChannelMessage {
+	c.Medias = append(c.Medias, ChannelMessageMedia{Photo: fmt.Sprintf("%d.%s", assetID, ext)})
+	return c
+}
+
+func (c *ChannelMessage) WithVideo(video string) *ChannelMessage {
+	c.Medias = append(c.Medias, ChannelMessageMedia{Video: video})
+	return c
+}