package device import ( "git.aiterp.net/lucifer3/server/internal/gentools" "strings" ) type PointerMatcher interface { Match(str string) bool } type Pointer struct { ID string `json:"id"` Aliases []string `json:"aliases"` } func (p *Pointer) AddAlias(alias string) (added *string, removed *string) { if !strings.HasPrefix(alias, "lucifer:") { return } for _, alias2 := range p.Aliases { if alias2 == alias { return } } if strings.HasPrefix(alias, "lucifer:name:") { for i, alias2 := range p.Aliases { if strings.HasPrefix(alias2, "lucifer:name:") { p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...) removed = gentools.ShallowCopy(&alias2) break } } } added = gentools.ShallowCopy(&alias) p.Aliases = append(p.Aliases, alias) return } func (p *Pointer) RemoveAlias(alias string) bool { if strings.HasPrefix(alias, "lucifer:name:") { // Name cannot be removed like this. return false } for i, alias2 := range p.Aliases { if alias2 == alias { p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...) return true } } return false } func (p *Pointer) Name() string { for _, alias := range p.Aliases { if strings.HasPrefix(alias, "lucifer:name:") { return alias } } return "" } func (p *Pointer) Matches(matcher PointerMatcher) bool { if matcher.Match(p.ID) { return true } for _, alias := range p.Aliases { if matcher.Match(alias) { return true } } return false }