func dumpGroups(api *slack.Slack, dir string, rooms []string) []slack.Group {
groups, err := api.GetGroups(false)
check(err)
if len(rooms) > 0 {
groups = FilterGroups(groups, func(group slack.Group) bool {
for _, room := range rooms {
if room == group.Name {
return true
}
}
return false
})
}
if len(groups) == 0 {
var groups []slack.Group
return groups
}
for _, group := range groups {
dumpChannel(api, dir, group.Id, group.Name, "group")
}
return groups
}
