// ValidateCard validates whether the card's values are appropriate
// when creating a new card.
func ValidateCard(validator *revel.Validation, params url.Values) {
validator.Clear()
id, err := strconv.ParseInt(params.Get("CreatorID"), 0, 0)
if err != nil {
validator.Error("The ID of the creator should be a number").Key("creatorID")
}
creatorID := int(id)
cardBody := params.Get("CardBody")
t, err := strconv.ParseInt(params.Get("CardType"), 0, 0)
if err != nil {
validator.Error("Card Type should be a number").Key("cardType")
}
cardType := int(t)
b, err := strconv.ParseInt(params.Get("CardBlanks"), 0, 0)
if err != nil {
validator.Error("Card Blanks should be a number").Key("cardBlanks")
}
cardBlanks := int(b)
validator.Required(cardBody)
validator.Range(int(cardType), 0, 1).Message("The card type can only be 0 for a white card, or 1 for a black card.")
validator.Range(int(cardBlanks), 0, 3).Message("Card blanks must be in the range of 0 - 3.")
if cardType == 0 {
validator.Max(int(cardBlanks), 0).Message("You cannot have blank spaces in a card unless it is a black card.)")
}
validator.Min(creatorID, 0).Message("The creator ID must be greater than 0.")
}