add description all the way

pkg/cart/cart-grain.go

@@ -93,7 +93,9 @@ type CartGrain struct {
 
 type Voucher struct {
 	Code        string   `json:"code"`
+	Applied     bool     `json:"applied"`
 	Rules       []string `json:"rules"`
+	Description string   `json:"description,omitempty"`
 	Id          uint32   `json:"id"`
 	Value       int64    `json:"value"`
 }
@@ -270,13 +272,15 @@ func (c *CartGrain) UpdateTotals() {
 		c.TotalPrice.Add(delivery.Price)
 	}
 	for _, voucher := range c.Vouchers {
-		if _, ok := voucher.AppliesTo(c); ok {
+		_, ok := voucher.AppliesTo(c)
+		voucher.Applied = false
+		if ok {
 			value := NewPriceFromIncVat(voucher.Value, 25)
 			if c.TotalPrice.IncVat <= value.IncVat {
 				// don't apply discounts to more than the total price
 				continue
 			}
-
+			voucher.Applied = true
 			c.TotalDiscount.Add(*value)
 			c.TotalPrice.Subtract(*value)
 		}

pkg/messages/messages.pb.go

@@ -931,6 +931,7 @@ type AddVoucher struct {
 	Code          string                 `protobuf:"bytes,1,opt,name=code,proto3" json:"code,omitempty"`
 	Value         int64                  `protobuf:"varint,2,opt,name=value,proto3" json:"value,omitempty"`
 	VoucherRules  []string               `protobuf:"bytes,3,rep,name=voucherRules,proto3" json:"voucherRules,omitempty"`
+	Description   string                 `protobuf:"bytes,4,opt,name=description,proto3" json:"description,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -986,6 +987,13 @@ func (x *AddVoucher) GetVoucherRules() []string {
 	return nil
 }
 
+func (x *AddVoucher) GetDescription() string {
+	if x != nil {
+		return x.Description
+	}
+	return ""
+}
+
 type RemoveVoucher struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Id            uint32                 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
@@ -1267,12 +1275,13 @@ const file_messages_proto_rawDesc = "" +
 	"\x12InitializeCheckout\x12\x18\n" +
 	"\aorderId\x18\x01 \x01(\tR\aorderId\x12\x16\n" +
 	"\x06status\x18\x02 \x01(\tR\x06status\x12,\n" +
-	"\x11paymentInProgress\x18\x03 \x01(\bR\x11paymentInProgress\"Z\n" +
+	"\x11paymentInProgress\x18\x03 \x01(\bR\x11paymentInProgress\"|\n" +
 	"\n" +
 	"AddVoucher\x12\x12\n" +
 	"\x04code\x18\x01 \x01(\tR\x04code\x12\x14\n" +
 	"\x05value\x18\x02 \x01(\x03R\x05value\x12\"\n" +
-	"\fvoucherRules\x18\x03 \x03(\tR\fvoucherRules\"\x1f\n" +
+	"\fvoucherRules\x18\x03 \x03(\tR\fvoucherRules\x12 \n" +
+	"\vdescription\x18\x04 \x01(\tR\vdescription\"\x1f\n" +
 	"\rRemoveVoucher\x12\x0e\n" +
 	"\x02id\x18\x01 \x01(\rR\x02id\"\xa7\x01\n" +
 	"\x19UpsertSubscriptionDetails\x12\x13\n" +

pkg/voucher/service.go

@@ -18,6 +18,7 @@ type Voucher struct {
 	Code        string `json:"code"`
 	Value       int64  `json:"value"`
 	Rules       string `json:"rules"`
+	Description string `json:"description,omitempty"`
 }
 
 type Service struct {
@@ -42,6 +43,7 @@ func (s *Service) GetVoucher(code string) (*messages.AddVoucher, error) {
 	return &messages.AddVoucher{
 		Code:        code,
 		Value:       v.Value,
+		Description: v.Description,
 		VoucherRules: []string{
 			v.Rules,
 		},

proto/messages.proto

@@ -99,6 +99,7 @@ message AddVoucher {
   string code = 1;
   int64 value = 2;
   repeated string voucherRules = 3;
+  string description = 4;
 }
 
 message RemoveVoucher { uint32 id = 1; }