func (c Client) Get(id string, params *stripe.CouponParams) (*stripe.Coupon, error) {
var body *url.Values
var commonParams *stripe.Params
if params != nil {
commonParams = ¶ms.Params
body = &url.Values{}
params.AppendTo(body)
}
coupon := &stripe.Coupon{}
err := c.B.Call("GET", "/coupons/"+id, c.Key, body, commonParams, coupon)
return coupon, err
}
func (c Client) New(params *stripe.CouponParams) (*stripe.Coupon, error) {
// TODO: this doesn't check that the params are not nil.
body := &url.Values{
"duration": {string(params.Duration)},
}
if len(params.ID) > 0 {
body.Add("id", params.ID)
}
if params.Percent > 0 {
body.Add("percent_off", strconv.FormatUint(params.Percent, 10))
} else if params.Amount > 0 {
body.Add("amount_off", strconv.FormatUint(params.Amount, 10))
body.Add("currency", string(params.Currency))
} else {
err := errors.New("Invalid coupon params: either amount and currency or percent need to be set")
return nil, err
}
if params.Duration == Repeating {
body.Add("duration_in_months", strconv.FormatUint(params.DurationPeriod, 10))
}
if params.Redemptions > 0 {
body.Add("max_redemptions", strconv.FormatUint(params.Redemptions, 10))
}
if params.RedeemBy > 0 {
body.Add("redeem_by", strconv.FormatInt(params.RedeemBy, 10))
}
params.AppendTo(body)
coupon := &stripe.Coupon{}
err := c.B.Call("POST", "/coupons", c.Key, body, ¶ms.Params, coupon)
return coupon, err
}