// NewOrderBookSummaryResource converts the provided query and summary into a json object
// that can be displayed to the end user.
func NewOrderBookSummaryResource(query db.OrderBookSummaryQuery, summary db.OrderBookSummaryRecord) (result OrderBookSummaryResource, err error) {
bt, err := assets.String(query.SellingType)
if err != nil {
return
}
ct, err := assets.String(query.BuyingType)
if err != nil {
return
}
result = OrderBookSummaryResource{
Bids: newPriceLevelResources(summary.Bids()),
Asks: newPriceLevelResources(summary.Bids()),
Selling: AssetResource{
AssetType: bt,
AssetCode: query.SellingCode,
AssetIssuer: query.SellingIssuer,
},
Buying: AssetResource{
AssetType: ct,
AssetCode: query.BuyingCode,
AssetIssuer: query.BuyingIssuer,
},
}
return
}
func (this *OrderBookSummary) Populate(ctx context.Context, query *db.OrderBookSummaryQuery, row db.OrderBookSummaryRecord) error {
st, err := assets.String(query.SellingType)
if err != nil {
return err
}
bt, err := assets.String(query.BuyingType)
if err != nil {
return err
}
this.Selling = Asset{
Type: st,
Code: query.SellingCode,
Issuer: query.SellingIssuer,
}
this.Buying = Asset{
Type: bt,
Code: query.BuyingCode,
Issuer: query.BuyingIssuer,
}
this.populateLevels(&this.Bids, row.Bids())
this.populateLevels(&this.Asks, row.Asks())
return nil
}