errors: static error mappings introduced

errors.go

@@ -0,0 +1,51 @@
+package telebot
+
+type Error struct {
+	ErrorCode string
+}
+
+var (
+	//bot creation errors
+	ErrUnauthorized = &Error{"Unauthorized"}
+
+	// not found etc
+	ErrToForwardNotFound = &Error{"Bad Request: message to forward not found"}
+	ErrToReplyNotFound   = &Error{"Bad Request: reply message not found"}
+	ErrMessageTooLong    = &Error{"Bad Request: message is too long"}
+	ErrBlockedByUsr      = &Error{"Forbidden: bot was blocked by the user"}
+	ErrToDeleteNotFound  = &Error{"Bad Request: message to delete not found"}
+	ErrEmptyMessage      = &Error{"Bad Request: message must be non-empty"}
+	//checking
+	ErrEmptyText          = &Error{"Bad Request: text is empty"}
+	ErrEmptyChatID        = &Error{"Bad Request: chat_id is empty"}
+	ErrNotFoundChat       = &Error{"Bad Request: chat not found"}
+	ErrMessageNotModified = &Error{"Bad Request: message is not modified"}
+	//
+
+	// Rigts Errors
+	ErrNoRightsToRestrict     = &Error{"Bad Request: not enough rights to restrict/unrestrict chat member"}
+	ErrNoRightsToSendMsg      = &Error{"Bad Request: have no rights to send a message"}
+	ErrNoRightsToSendPhoto    = &Error{"Bad Request: not enough rights to send photos to the chat"}
+	ErrNoRightsToSendStickers = &Error{"Bad Request: not enough rights to send stickers to the chat"}
+	ErrNoRightsToSendGifs     = &Error{"Bad Request: CHAT_SEND_GIFS_FORBIDDEN"}
+	ErrNoRightsToDelete       = &Error{"Bad Request: message can't be deleted"}
+	ErrKickingChatOwner       = &Error{"Bad Request: can't remove chat owner"}
+
+	// Interacting with group/supergroup after being kicked
+	ErrInteractKickedG    = &Error{"api error: Forbidden: bot was kicked from the group chat"}
+	ErrInteractKickedSprG = &Error{"Forbidden: bot was kicked from the supergroup chat"}
+
+	// file errors etc
+	ErrWrongTypeOfContent      = &Error{"Bad Request: wrong type of the web page content"}
+	ErrCantGetHTTPurlContent   = &Error{"Bad Request: failed to get HTTP URL content"}
+	ErrWrongRemoteFileID       = &Error{"Bad Request: wrong remote file id specified: can't unserialize it. Wrong last symbol"}
+	ErrWrongRemoteFileIDlen    = &Error{"Bad Request: wrong remote file id specified: Wrong string length"}
+	ErrWrongRemoteFileIDsymbol = &Error{"Bad Request: wrong remote file id specified: Wrong character in the string"}
+	ErrWrongFileIdentifier     = &Error{"Bad Request: wrong file identifier/HTTP URL specified"}
+	ErrTooLarge                = &Error{"Request Entity Too Large"}
+	ErrWrongPadding            = &Error{"Bad Request: wrong remote file id specified: Wrong padding in the string"} // not my
+	ErrImageProcess            = &Error{"Bad Request: IMAGE_PROCESS_FAILED"}
+
+	// sticker errors
+	ErrWrongStickerpack = &Error{"Bad Request: STICKERSET_INVALID"}
+)