admin: Retrieve stats on exercices

libfic/flag_label.go

@@ -71,6 +71,14 @@ func (k *FlagLabel) RecoverId() (Flag, error) {
 	}
 }
 
+func (k *FlagLabel) NbTries() (int64, error) {
+	return 0, nil
+}
+
+func (k *FlagLabel) TeamsOnIt() ([]int64, error) {
+	return nil, nil
+}
+
 // AddFlagLabel creates and fills a new struct Flag and registers it into the database.
 func (k *FlagLabel) Create(e *Exercice) (Flag, error) {
 	if res, err := DBExec("INSERT INTO exercice_flag_labels (id_exercice, ordre, label, variant) VALUES (?, ?, ?, ?)", e.Id, k.Order, k.Label, k.Variant); err != nil {