add Groups.IsMember method

api.go

@@ -49,7 +49,15 @@ func (a API) GroupsSetLongPollSettings(opts *SetLongPollSettingsOptions) (res AP
 	vals.Set("access_token", a.token)
 	vals.Set("v", APIVersion)
 	return get[APIResponseSetLongPollSettings](a.base, "groups.setLongPollSettings", addValues(vals, opts))
+}
+
+// GroupsSetLongPollSettings https://dev.vk.com/ru/method/groups.isMember
+func (a API) GroupsIsMember(opts *GroupsIsMemberOptions) (res APIResponseGroupsIsMember, err error) {
+	var vals = make(url.Values)
 
+	vals.Set("access_token", a.token)
+	vals.Set("v", APIVersion)
+	return get[APIResponseGroupsIsMember](a.base, "groups.isMember", addValues(vals, opts))
 }
 
 func (a API) MessagesSend(text string, opts *MessagesSendOptions) (res APIResponseMessagesSend, err error) {

options.go

@@ -36,3 +36,10 @@ type MessageEventAnswerOptions struct {
 	PeerID    int64  `query:"peer_id"`
 	EventData string `query:"text"`
 }
+
+type GroupsIsMemberOptions struct {
+	GroupID  int64  `query:"group_id"`
+	UserID   int64  `query:"user_id"`
+	UserIDs  string `query:"user_ids"`
+	Extended int64  `query:"extended"`
+}

responses.go

@@ -90,6 +90,17 @@ func (a APIResponseSetLongPollSettings) Base() APIError {
 
 //---------------------------------------------------------------
 
+type APIResponseGroupsIsMember struct {
+	Response int64    `json:"response,omitempty"`
+	Error    APIError `json:"error,omitempty"`
+}
+
+func (a APIResponseGroupsIsMember) Base() APIError {
+	return a.Error
+}
+
+// -------------------------
+
 type APIResponseUpdate struct {
 	Ts string `json:"ts,omitempty"`
 	//Updates []*Update `json:"updates,omitempty"`