Support date and currency formatting

1 files changed, 57 insertions, 2 deletions

diff --git a/i18n/translations.go b/i18n/printer.go
index 1d35f98..2425f98 100644
--- a/i18n/translations.go
+++ b/i18n/printer.go
@@ -1,7 +1,9 @@
 package i18n
 
 import (
+	"fmt"
 	"strings"
+	"time"
 
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
@@ -10,13 +12,15 @@ import (
 //go:generate gotext -srclang=en-GB update -out=catalog.go -lang=en-GB,nl-NL git.thomasvoss.com/euro-cash.eu
 
 type Printer struct {
-	Lang    string
+	Locale  Locale
 	printer *message.Printer
 }
 
 type Locale struct {
 	Code     string
 	Name     string
+	dateFmt  string
+	moneyFmt string
 	Eurozone bool
 	Enabled  bool
 }
@@ -26,108 +30,126 @@ var (
 		Locale{
 			Code:     "ca-AD",
 			Name:     "català",
+			dateFmt:  "2/1/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "de-DE",
 			Name:     "Deutsch",
+			dateFmt:  "2.1.2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "el-GR",
 			Name:     "ελληνικά",
+			dateFmt:  "2/1/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "en-GB",
 			Name:     "English",
+			dateFmt:  "02/01/2006",
 			Eurozone: true,
 			Enabled:  true,
 		},
 		Locale{
 			Code:     "es-ES",
 			Name:     "español",
+			dateFmt:  "2/1/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "et-EE",
 			Name:     "eesti",
+			dateFmt:  "2.1.2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "fi-FI",
 			Name:     "suomi",
+			dateFmt:  "2.1.2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "fr-FR",
 			Name:     "français",
+			dateFmt:  "02/01/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "ga-IE",
 			Name:     "Gaeilge",
+			dateFmt:  "02/01/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "hr-HR",
 			Name:     "hrvatski",
+			dateFmt:  "02. 01. 2006.",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "it-IT",
 			Name:     "italiano",
+			dateFmt:  "02/01/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "lt-LT",
 			Name:     "lietuvių",
+			dateFmt:  "2006-01-02",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "lv-LV",
 			Name:     "latviešu",
+			dateFmt:  "2.01.2006.",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "mt-MT",
 			Name:     "Malti",
+			dateFmt:  "2/1/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "nl-NL",
 			Name:     "Nederlands",
+			dateFmt:  "2-1-2006",
 			Eurozone: true,
 			Enabled:  true,
 		},
 		Locale{
 			Code:     "pt-PT",
 			Name:     "português",
+			dateFmt:  "02/01/2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "sk-SK",
 			Name:     "slovenčina",
+			dateFmt:  "2. 1. 2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "sl-SI",
 			Name:     "slovenščina",
+			dateFmt:  "2. 1. 2006",
 			Eurozone: true,
 			Enabled:  false,
 		},
@@ -136,18 +158,21 @@ var (
 		Locale{
 			Code:     "bg-BG",
 			Name:     "български",
+			dateFmt:  "2.01.2006 г.",
 			Eurozone: false,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "en-US",
 			Name:     "English (US)",
+			dateFmt:  "1/2/2006",
 			Eurozone: false,
 			Enabled:  false,
 		},
 		Locale{
 			Code:     "ro-RO",
 			Name:     "română",
+			dateFmt:  "02.01.2006",
 			Eurozone: false,
 			Enabled:  false,
 		},
@@ -164,7 +189,7 @@ func InitPrinters() {
 		if loc.Enabled {
 			lang := language.MustParse(loc.Code)
 			Printers[strings.ToLower(loc.Code)] = Printer{
-				Lang:    loc.Code,
+				Locale:  loc,
 				printer: message.NewPrinter(lang),
 			}
 		}
@@ -176,6 +201,36 @@ func (p Printer) T(fmt string, args ...any) string {
 	return p.printer.Sprintf(fmt, args...)
 }
 
+func (p Printer) Date(d time.Time) string {
+	return d.Format(p.Locale.dateFmt)
+}
+
+/* TODO: Try to use a decimal type here */
+func (p Printer) Money(val float64, round bool) string {
+	var valstr string
+
+	/* Hack to avoid gotext writing these two ‘translations’ into the
+	   translations file */
+	f := p.printer.Sprintf
+	if round {
+		valstr = f("%d", int(val))
+	} else {
+		valstr = f("%.2f", val)
+	}
+
+	/* All Eurozone languages place the eurosign after the value except
+	   for Dutch, English, Gaelic, and Maltese.  Austrian German also
+	   uses Dutch-style formatting, but we do not support that dialect. */
+	switch p.Locale.Code {
+	case "en-GB", "en-US", "ga-IE", "mt-MT":
+		return fmt.Sprintf("€%s", valstr)
+	case "nl-NL":
+		return fmt.Sprintf("€ %s", valstr)
+	default:
+		return fmt.Sprintf("%s €", valstr)
+	}
+}
+
 func (l Locale) Language() string {
 	return l.Code[:2]
 }