Dependancy between flags

libfic/team.go

@@ -124,6 +124,25 @@ func (t Team) CanDownload(f EFile) bool {
 	}
 }
 
+// CanSeeFlag checks if the Team has access to the given flag.
+func (t Team) CanSeeFlag(k Flag) bool {
+	if deps, err := k.GetDepends(); err != nil {
+		log.Printf("Unable to retrieve flag dependencies: %s\n", err)
+		return false
+	} else {
+		res := true
+
+		for _, dep := range deps {
+			if t.HasPartiallySolved(dep) == nil {
+				res = false
+				break
+			}
+		}
+
+		return res
+	}
+}
+
 // NbTry retrieves the number of attempts made by the Team to the given challenge.
 func NbTry(t *Team, e Exercice) int {
 	var cnt *int