func appendIfMissing(slice []user.User, u user.User) ([]user.User, bool) {
for _, ele := range slice {
if u.Equals(ele) {
return slice, false
}
}
return append(slice, u), true
}
func removeFromSlice(slice []user.User, u user.User) ([]user.User, bool) {
removed := false
newslice := make([]user.User, 0, len(slice))
for _, ele := range slice {
if !u.Equals(ele) && ele.ID != "" {
newslice = append(newslice, ele)
} else {
removed = true
}
}
return newslice, removed
}