Make durations more human friendly.

LICENSE.txt

@@ -11,3 +11,29 @@ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+
+timefuncs license
+----------------------------------------------------------------------
+Copyright (c) 2013, Sevki Hasirci
+All rights reserved.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice, this
+list of conditions and the following disclaimer in the documentation and/or
+other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cmd/ledger/print.go

@@ -31,8 +31,8 @@ func PrintStats(generalLedger []*ledger.Transaction) {
 
 	days := math.Floor(endDate.Sub(startDate).Hours() / 24)
 
-	fmt.Printf("%-25s : %s to %s (%s)\n", "Transactions span", startDate.Format("2006-01-02"), endDate.Format("2006-01-02"), endDate.Sub(startDate))
-	fmt.Printf("%-25s : %s\n", "Since last post", time.Since(endDate))
+	fmt.Printf("%-25s : %s to %s (%s)\n", "Transactions span", startDate.Format("2006-01-02"), endDate.Format("2006-01-02"), DurationInWords(endDate.Sub(startDate)))
+	fmt.Printf("%-25s : %s\n", "Since last post", DurationInWords(time.Since(endDate)))
 	fmt.Printf("%-25s : %d, (%.1f per day)\n", "Transactions", len(generalLedger), float64(len(generalLedger))/days)
 	fmt.Printf("%-25s : %d\n", "Payees", len(payees))
 	fmt.Printf("%-25s : %d\n", "Referenced Accounts", len(accounts))

cmd/ledger/timefuncs.go

@@ -0,0 +1,61 @@
+// Copyright 2013 Sevki Hasirci .  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+// Original location: "github.com/sevki/fathertime"
+
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+const lssthnd = "less than %d %s"
+const lssthns = "less than a %s"
+const aboutnd = "about %d %s"
+const day time.Duration = 86400000000000
+const month time.Duration = 2628000000001209
+const year time.Duration = 31535999999964780
+
+/*
+DurationInWords returns duration in words.
+*/
+func DurationInWords(d time.Duration) string {
+
+	if d >= time.Second && d <= (time.Second*4) {
+		return fmt.Sprintf(lssthnd, 5, "seconds")
+	} else if d >= (time.Second*5) && d < (time.Second*10) {
+		return fmt.Sprintf(lssthnd, 10, "seconds")
+	} else if d >= (time.Second*10) && d < (time.Second*20) {
+		return fmt.Sprintf(lssthnd, 20, "seconds")
+	} else if d >= (time.Second*20) && d < (time.Second*40) {
+		return "half a minute"
+	} else if d >= (time.Second*40) && d < (time.Second*60) {
+		return fmt.Sprintf(lssthns, "minute")
+	} else if d >= (time.Second*60) && d < time.Minute+(time.Second*30) {
+		return "1 minute"
+	} else if d >= time.Minute+(time.Second*30) && d < (time.Minute*44)+(time.Second*30) {
+		return fmt.Sprintf("%d minutes", (d / time.Minute))
+	} else if d >= (time.Minute*44)+(time.Second*30) && d < (time.Minute*89)+(time.Second*30) {
+		return fmt.Sprintf(aboutnd, d/time.Hour, "hour")
+	} else if d >= (time.Minute*89)+(time.Second*30) && d < (time.Hour*29)+(time.Minute*59)+(time.Second*30) {
+		return fmt.Sprintf(aboutnd, (d / time.Hour), "hours")
+	} else if d >= (time.Hour*23)+(time.Minute*59)+(time.Second*30) && d < (time.Hour*41)+(time.Minute*59)+(time.Second*30) {
+		return "1 day"
+	} else if d >= (time.Hour*41)+(time.Minute*59)+(time.Second*30) && d < (day*29)+(time.Hour*23)+(time.Minute*59)+(time.Second*30) {
+		return fmt.Sprintf("%d days", d/(time.Hour*24))
+	} else if d >= (day*29)+(time.Hour*23)+(time.Minute*59)+(time.Second*30) && d < (day*59)+(time.Hour*23)+(time.Minute*59)+(time.Second*30) {
+		return fmt.Sprintf(aboutnd, 1, "month")
+	} else if d >= (day*59)+(time.Hour*23)+(time.Minute*59)+(time.Second*30) && d < (year) {
+		return fmt.Sprintf(aboutnd, d/month+1, "months")
+	} else if d >= year && d < year+(3*month) {
+		return fmt.Sprintf(aboutnd, 1, "year")
+	} else if d >= year+(3*month) && d < year+(9*month) {
+		return "over 1 year"
+	} else if d >= year+(9*month) && d < (year*2) {
+		return "almost 2 years"
+	} else {
+		return fmt.Sprintf(aboutnd, d/year, "years")
+	}
+}