implement choices_cost

libfic/team.go

@@ -173,6 +173,19 @@ func (t Team) OpenHint(h EHint) (error) {
 	return err
 }
 
+// SeeChoices checks if the Team has revealed the given choices.
+func (t Team) SeeChoices(k Flag) (bool) {
+	var tm *time.Time
+	DBQueryRow("SELECT MIN(time) FROM team_wchoices WHERE id_team = ? AND id_flag = ?", t.Id, k.Id).Scan(&tm)
+	return tm != nil
+}
+
+// DisplayChoices registers to the database that the Team has now revealed.
+func (t Team) DisplayChoices(k Flag) (error) {
+	_, err := DBExec("INSERT INTO team_wchoices (id_team, id_flag, time) VALUES (?, ?, ?)", t.Id, k.Id, time.Now())
+	return err
+}
+
 // CountTries gets the amount of attempts made by the Team and retrieves the time of the latest attempt.
 func (t Team) CountTries(e Exercice) (int64, time.Time) {
 	var nb *int64