debugs

cmd/clitest/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"sort"
 	"strings"
 
 	"gogs.inhome.blapointe.com/ana-ledger/ledger"
@@ -30,6 +31,15 @@ func main() {
 
 	switch *foo {
 	case "reg":
+		sort.Slice(deltas, func(i, j int) bool {
+			return deltas[i].Debug() < deltas[j].Debug()
+		})
+		deltasSoFar := make(ledger.Deltas, 0)
+		for i := range deltas {
+			deltasSoFar = append(deltasSoFar, deltas[i])
+			bal, _ := deltasSoFar.Like(ledger.LikeName("^" + deltas[i].Name + "$")).Balances()
+			fmt.Printf("%s (%+v)\n", deltas[i].Debug(), bal[deltas[i].Name].Debug())
+		}
 	case "bal":
 		balances, err := deltas.Balances()
 		if err != nil {

ledger/balances.go

@@ -0,0 +1,30 @@
+package ledger
+
+import (
+	"fmt"
+	"strings"
+)
+
+type Balances map[string]Balance
+
+type Balance map[Currency]float64
+
+func (balances Balances) Debug() string {
+	result := []string{}
+	for k, v := range balances {
+		result = append(result, fmt.Sprintf("%s:[%s]", k, v.Debug()))
+	}
+	return strings.Join(result, " ")
+}
+
+func (balance Balance) Debug() string {
+	result := []string{}
+	for k, v := range balance {
+		if k == USD {
+			result = append(result, fmt.Sprintf("%s%.2f", k, v))
+		} else {
+			result = append(result, fmt.Sprintf("%.3f %s", v, k))
+		}
+	}
+	return strings.Join(result, " + ")
+}

ledger/deltas.go

@@ -12,11 +12,11 @@ func (deltas Deltas) Like(like ...Like) Deltas {
 	return result
 }
 
-func (deltas Deltas) Balances() (map[string]map[Currency]float64, error) {
-	result := make(map[string]map[Currency]float64)
+func (deltas Deltas) Balances() (Balances, error) {
+	result := make(Balances)
 	for _, delta := range deltas {
 		if _, ok := result[delta.Name]; !ok {
-			result[delta.Name] = make(map[Currency]float64)
+			result[delta.Name] = make(Balance)
 		}
 		if _, ok := result[delta.Name][delta.Currency]; !ok {
 			result[delta.Name][delta.Currency] = 0