adding project logic

src/client/api/rest/model.go

@@ -1,5 +1,11 @@
 package rest
 
+import (
+	"fmt"
+
+	"github.com/shopspring/decimal"
+)
+
 type HTTPError struct {
 	Error string
 }
@@ -16,3 +22,42 @@ type Credentials struct {
 type Session struct {
 	Email string
 }
+
+type QuoteRequest struct {
+	ClOrdID   string `json:"cl_ord_id" binding:"required"`
+	QuoteID   string `json:"quote_id" binding:"required"`
+	Symbol    string `json:"symbol" binding:"required"`
+	Currency  string `json:"currency"`
+	BidPx     string `json:"bid_px" binding:"required"`
+	OfferPx   string `json:"offer_px" binding:"required"`
+	BidSize   string `json:"bid_size"`
+	OfferSize string `json:"offer_size"`
+}
+
+func (r QuoteRequest) toDecimals() (bidPx, offerPx, bidSize, offerSize decimal.Decimal, err error) {
+	bidPx, err = decimal.NewFromString(r.BidPx)
+	if err != nil {
+		return bidPx, offerPx, bidSize, offerSize, fmt.Errorf("invalid bid_px: %w", err)
+	}
+
+	offerPx, err = decimal.NewFromString(r.OfferPx)
+	if err != nil {
+		return bidPx, offerPx, bidSize, offerSize, fmt.Errorf("invalid offer_px: %w", err)
+	}
+
+	if r.BidSize != "" {
+		bidSize, err = decimal.NewFromString(r.BidSize)
+		if err != nil {
+			return bidPx, offerPx, bidSize, offerSize, fmt.Errorf("invalid bid_size: %w", err)
+		}
+	}
+
+	if r.OfferSize != "" {
+		offerSize, err = decimal.NewFromString(r.OfferSize)
+		if err != nil {
+			return bidPx, offerPx, bidSize, offerSize, fmt.Errorf("invalid offer_size: %w", err)
+		}
+	}
+
+	return bidPx, offerPx, bidSize, offerSize, nil
+}