progress

internal/backend/mem.go

@@ -32,6 +32,13 @@ func NewMemBackend(cfg *config.Config) *MemBackend {
 		calendarAccess: make(map[string]map[string]string),
 	}
 
+	groupMembers := make(map[string][]string)
+	for _, u := range cfg.Users {
+		for _, g := range u.Groups {
+			groupMembers[g] = append(groupMembers[g], u.Name)
+		}
+	}
+
 	for _, c := range cfg.Calendars {
 		path := fmt.Sprintf("/%s/calendars/%s/", c.Owner, c.ID)
 		cal := &caldav.Calendar{
@@ -45,8 +52,22 @@ func NewMemBackend(cfg *config.Config) *MemBackend {
 
 		accessMap := make(map[string]string)
 		for _, a := range c.Access {
-			accessMap[a.User] = a.Mode
-			b.userCalendars[a.User] = append(b.userCalendars[a.User], path)
+			var tUsers []string
+			if a.User != "" {
+				tUsers = append(tUsers, a.User)
+			}
+			if a.Group != "" {
+				tUsers = append(tUsers, groupMembers[a.Group]...)
+			}
+			if a.Groups != "" {
+				tUsers = append(tUsers, groupMembers[a.Groups]...)
+			}
+			for _, u := range tUsers {
+				if _, exists := accessMap[u]; !exists {
+					b.userCalendars[u] = append(b.userCalendars[u], path)
+				}
+				accessMap[u] = a.Mode
+			}
 		}
 		b.calendarAccess[path] = accessMap
 	}
@@ -121,7 +142,7 @@ func (b *MemBackend) filterCalendar(ctx context.Context, calendarPath string, or
 			continue
 		}
 
-		class := "PUBLIC"
+		class := "CONFIDENTIAL"
 		if prop := child.Props.Get("CLASS"); prop != nil {
 			class = strings.ToUpper(prop.Value)
 		}