commit 0ebcb67921492846dec4f77ec26d3f3677b36e14
Author: Darko Luketic <info@icod.de>
Date:   Mon Sep 5 15:20:48 2016 +0200

    initial

diff --git a/LICENSE b/LICENSE
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diff --git a/README.md b/README.md
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+++ b/README.md
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+# github.com/dalu/i18n
+
+Go middleware that utilizes https://github.com/nicksnyder/go-i18n
+
+## Required
+
+Go 1.7 for context-aware http Package
+
+## License
+
+BSD2
+
+## Issues
+
+Use the Github issue tracker
+
+### Example
+
+```go
+package main
+
+import (
+	"net/http"
+
+	"github.com/dalu/i18n"
+	"github.com/nicksnyder/go-i18n/i18n/bundle"
+)
+
+func main() {
+	var hrHR = []byte(`[
+  {
+    "id": "hello",
+    "translation": "Pozdrav na {{.Lang}}"
+  },
+  {
+    "id": "coins",
+    "translation":{
+      "one": "Imas {{.Count}} kunu",
+      "few": "Imas {{.Count}} kuna",
+      "other": "Imas {{.Count}} kuna"
+    }
+  }
+]`)
+
+	fb := make(map[string][]byte)
+	fb["hr-hr.all.json"] = hrHR
+
+	imw := i18n.New(i18n.Config{
+		DefaultLanguage: "en-us",
+		Files:           []string{"files/en-us.all.json", "files/de-de.all.json"},
+		FilesBytes:      fb,
+		Debug:           true,
+		URLParam:        "lang",
+	})
+
+	http.Handle("/", imw.Middleware(http.HandlerFunc(indexHandler)))
+	http.ListenAndServe(":8080", nil)
+}
+
+func indexHandler(w http.ResponseWriter, r *http.Request) {
+	lang := r.Context().Value("i18nlang").(string)
+	T := r.Context().Value("i18nTfunc").(bundle.TranslateFunc)
+	w.Write([]byte(T("hello", map[string]interface{}{"Lang":lang})))
+	w.Write([]byte("\n"))
+	w.Write([]byte(T("coins", 1)))
+	w.Write([]byte("\n"))
+	w.Write([]byte(T("coins", 2)))
+	w.Write([]byte("\n"))
+	w.Write([]byte(T("coins", 200)))
+}
+```
+
+
+files/en-us.all.json
+```json
+[
+  {
+    "id": "coins",
+    "translation": {
+      "one": "You have {{.Count}} coin",
+      "other": "You have {{.Count}} coins"
+    }
+  },
+  {
+    "id": "hello",
+    "translation": "Hello in en-US"
+  }
+]
+```
+
+files/de-de.all.json
+```json
+[
+  {
+    "id": "coins",
+    "translation": {
+      "one": "Du hast {{.Count}} Münze",
+      "other": "Du hast {{.Count}} Münzen"
+    }
+  },
+  {
+    "id": "hello",
+    "translation": "Hallo in {{.Lang}}"
+  }
+]
+```
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diff --git a/i18n.go b/i18n.go
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+++ b/i18n.go
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+package i18n
+
+import (
+	"log"
+	"github.com/nicksnyder/go-i18n/i18n/bundle"
+	"net/http"
+	"context"
+)
+
+type Config struct {
+	DefaultLanguage string
+	Files           []string          // files to load
+	FilesBytes      map[string][]byte // or slices of []bytes with the embedded file data
+	Debug           bool
+	URLParam        string
+	bundle          *bundle.Bundle
+}
+
+type I18nMiddleware struct {
+	config Config
+}
+
+func New(c Config) *I18nMiddleware {
+	if c.DefaultLanguage == "" {
+		log.Fatal("i18n: No default language set")
+	}
+	if len(c.Files) == 0 && len(c.FilesBytes) == 0 {
+		log.Fatal("i18n: You need to supply either Config.Files and|or Config.FileBytes for language files to be loaded|parsed")
+	}
+
+	b := bundle.New()
+	c.bundle = b
+
+	for _, file := range c.Files {
+		if e := b.LoadTranslationFile(file); e != nil {
+			log.Fatal("i18n:", e.Error())
+		}
+	}
+	for s, by := range c.FilesBytes {
+		if e := b.ParseTranslationFileBytes(s, by); e != nil {
+			log.Fatal("i18n:", e.Error())
+		}
+	}
+
+	if c.Debug {
+		log.Println("i18n: Loaded languages")
+		log.Println(b.Translations())
+	}
+	return &I18nMiddleware{config: c}
+}
+
+func (i *I18nMiddleware) Middleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		bycookie := false
+		lang := r.URL.Query().Get(i.config.URLParam)
+		rlang := r.Header.Get("Accept-Language")
+		if lang == "" {
+			lc ,e := r.Cookie("lang")
+			if e != nil {
+				lang = ""
+			} else {
+				lang = lc.Value
+				bycookie = true
+			}
+		}
+		if !bycookie {
+			http.SetCookie(w, &http.Cookie{HttpOnly:true, Name: "lang", Value:lang})
+		}
+		ctx0 := context.WithValue(r.Context(), "i18nlang", lang)
+		ctx1 := context.WithValue(ctx0, "i18nrlang", rlang)
+		ctx2 := context.WithValue(ctx1, "i18ndlang", i.config.DefaultLanguage)
+		ctx3 := context.WithValue(ctx2, "i18nTfunc", i.config.bundle.MustTfunc(lang, rlang, i.config.DefaultLanguage))
+		next.ServeHTTP(w, r.WithContext(ctx3))
+	})
+}
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