DRAW

cmd/cli/main.go

@@ -23,7 +23,7 @@ func Main() {
 
 	fs := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
 	fs.Var(&config.Files, "f", "paths to files")
-	fs.Var(&config.Query.Period, "period", "period")
+	fs.Var(&config.Query.Period, "period", "period can be YYYY, YYYY-mm, YYYY-mm-dd, x..y")
 	fs.StringVar(&config.Query.Sort, "S", "", "sort ie date")
 	fs.BoolVar(&config.Query.NoRounding, "no-rounding", false, "no rounding")
 	fs.BoolVar(&config.Compact, "c", false, "reg entries oneline")
@@ -139,7 +139,22 @@ func Main() {
 			Normalize(cpiNormalizer, "9")
 		FPrintBalances(w, "", balances, nil, config.Query.USDOnly, config.Query.Normalize, time.Now().Format("2006-01-02"), false, maxAccW)
 	case "gra":
-		deltas = deltas.Group(ledger.GroupDate("^[0-9]{4}-[0-9]{2}"))
+		dateGrouping := "^[0-9]{4}-[0-9]{2}"
+		if period := config.Query.Period; !period.Empty() {
+			day := time.Hour * 24
+			year := day * 365
+			r := period.Stop.Sub(period.Start)
+			if r > 10*year {
+				dateGrouping = "^[0-9]{4}"
+			} else if r > 5*year {
+			} else if r > year {
+				dateGrouping = "^[0-9]{4}-[0-9]{2}-[0-9]"
+			} else {
+				dateGrouping = "^[0-9]{4}-[0-9]{2}-[0-9]{2}"
+			}
+		}
+		deltas = deltas.Group(ledger.GroupDate(dateGrouping))
+
 		transactions := deltas.Transactions()
 		cumulative := make(ledger.Balances)
 		data := map[string][]float64{}
@@ -185,23 +200,9 @@ func Main() {
 		for _, k := range labels {
 			points = append(points, data[k])
 		}
-
-		pointsMax := func() float64 {
-			var max float64
-			for _, vs := range points {
-				for _, v := range vs {
-					if max < v {
-						max = v
-					}
-				}
-			}
-			return max
-		}
-		for pointsMax() > 100 {
-			for i := range points {
-				for j := range points[i] {
-					points[i][j] /= 10.0
-				}
+		for i := range points {
+			for j := range points[i] {
+				points[i][j] /= 1000.0
 			}
 		}