bpis predictFixedGrowth fixed

cmd/http/router.go

@@ -297,6 +297,11 @@ func (router Router) APIReg(w http.ResponseWriter, r *http.Request) {
 	register := deltas.Register()
 	predicted := make(ledger.Register)
 
+	bpis, err := router.bpis()
+	if err != nil {
+		panic(err)
+	}
+
 	if predictionMonths, err := strconv.ParseInt(r.URL.Query().Get("predictionMonths"), 10, 16); err == nil && predictionMonths > 0 {
 		window := time.Hour * 24.0 * 365.0 / 12.0 * time.Duration(predictionMonths)
 		// TODO whatif
@@ -334,10 +339,6 @@ func (router Router) APIReg(w http.ResponseWriter, r *http.Request) {
 			if err != nil {
 				panic(err)
 			}
-			bpis, err := router.bpis()
-			if err != nil {
-				panic(err)
-			}
 			bpis, err = ana.BPIsWithFixedGrowthPrediction(bpis, window, currency, rate)
 			if err != nil {
 				panic(err)
@@ -346,10 +347,6 @@ func (router Router) APIReg(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if r.URL.Query().Get("bpi") == "true" {
-		bpis, err := router.bpis()
-		if err != nil {
-			panic(err)
-		}
 		register = register.WithBPIs(bpis)
 		predicted = predicted.WithBPIs(bpis)
 	}