Update to 6.1.2

.github/ISSUE_TEMPLATE.md

@@ -1,4 +1,4 @@
-- Version : **6.1.1**
+- Version : **6.1.2**
 
 - Operating System:
 

HISTORY.md

@@ -2,6 +2,64 @@
 
 **How to upgrade**: remove your `$GOPATH/src/github.com/kataras` folder, open your command-line and execute this command: `go get -u github.com/kataras/iris/iris`.
 
+## 6.1.1 -> 6.1.2
+
+Better internalization and localization support, with ability to change the cookie's key and context's keys.
+
+- Real example: https://github.com/iris-contrib/examples/tree/master/middleware_internationalization_i18n
+
+**read the comments:**
+```go
+package main
+
+import (
+	"github.com/iris-contrib/middleware/i18n"
+	"github.com/kataras/iris"
+)
+
+func main() {
+
+	iris.Use(i18n.New(i18n.Config{
+		Default:      "en-US",
+		URLParameter: "lang",
+		Languages: map[string]string{
+			"en-US": "./locales/locale_en-US.ini",
+			"el-GR": "./locales/locale_el-GR.ini",
+			"zh-CN": "./locales/locale_zh-CN.ini"}}))
+
+	iris.Get("/", func(ctx *iris.Context) {
+
+		// it tries to find the language by:
+		// ctx.Get("language") , that should be setted on other middleware before the i18n middleware*
+		// if that was empty then
+		// it tries to find from the URLParameter setted on the configuration
+		// if not found then
+		// it tries to find the language by the "lang" cookie
+		// if didn't found then it it set to the Default setted on the configuration
+
+		// hi is the key, 'kataras' is the %s on the .ini file
+		// the second parameter is optional
+
+		// hi := ctx.Translate("hi", "kataras")
+		// or:
+		hi := i18n.Translate(ctx, "hi", "kataras")
+
+		language := ctx.Get(iris.TranslateLanguageContextKey) // language is the language key, example 'en-US'
+
+		// The first succeed language found saved at the cookie with name ("language"),
+		//  you can change that by changing the value of the:  iris.TranslateLanguageContextKey
+		ctx.Writef("From the language %s translated output: %s", language, hi)
+	})
+
+	// go to http://localhost:8080/?lang=el-GR
+	// or http://localhost:8080
+	// or http://localhost:8080/?lang=zh-CN
+	iris.Listen(":8080")
+
+}
+
+```
+
 ## 6.1.0 -> 6.1.1
 
 - **NEW FEATURE**: `Offline routes`.

README.md

@@ -18,7 +18,7 @@
 <br/>
 
 
-<a href="https://github.com/kataras/iris/blob/master/HISTORY.md"><img src="https://img.shields.io/badge/%20version%20-%206.1.1%20-blue.svg?style=flat-square" alt="CHANGELOG/HISTORY"></a>
+<a href="https://github.com/kataras/iris/blob/master/HISTORY.md"><img src="https://img.shields.io/badge/%20version%20-%206.1.2%20-blue.svg?style=flat-square" alt="CHANGELOG/HISTORY"></a>
 
 <a href="https://github.com/iris-contrib/examples"><img src="https://img.shields.io/badge/%20examples-repository-3362c2.svg?style=flat-square" alt="Examples"></a>
 
@@ -950,7 +950,7 @@ I recommend testing your API using this new library, [httpexpect](https://github
 Versioning
 ------------
 
-Current: **v6.1.1**
+Current: **v6.1.2**
 
 Older: **[v5/fasthttp](https://github.com/kataras/iris/tree/5.0.0)**
 

context.go

@@ -1007,13 +1007,32 @@ func (ctx *Context) Get(key string) interface{} {
 }
 
 // GetFmt returns a value which has this format: func(format string, args ...interface{}) string
-// if doesn't exists returns nil
-func (ctx *Context) GetFmt(key string) func(format string, args ...interface{}) string {
+// if doesn't exists returns a function which returns an empty string.
+//
+// "translate" is the key of the i18n middlweare
+// for more plaese look: https://github.com/iris-contrib/examples/tree/master/middleware_internationalization_i18n
+func (ctx *Context) getFmt(key string) func(format string, args ...interface{}) string {
 	if v, ok := ctx.Get(key).(func(format string, args ...interface{}) string); ok {
 		return v
 	}
 	return func(format string, args ...interface{}) string { return "" }
+}
 
+// TranslateLanguageContextKey & TranslateFunctionContextKey are used by i18n handlers/middleware
+// currently we have only one: https://github.com/iris-contrib/middleware/tree/master/i18n
+// but you can use these keys to override the i18n's cookie name (TranslateLanguageContextKey)
+// or to store new translate function  by using the ctx.Set(iris.TranslateFunctionContextKey, theTrFunc)
+var (
+	TranslateLanguageContextKey = "language"
+	TranslateFunctionContextKey = "translate"
+)
+
+// Translate is the i18n (localization) middleware's function, it just
+// calls the ctx.getFmt("translate").
+// "translate" is the key of the i18n middlweare
+// for more plaese look: https://github.com/iris-contrib/examples/tree/master/middleware_internationalization_i18n
+func (ctx *Context) Translate(format string, args ...interface{}) string {
+	return ctx.getFmt(TranslateFunctionContextKey)(format, args...)
 }
 
 // GetString same as Get but returns the value as string

iris.go

@@ -81,7 +81,7 @@ const (
 	// IsLongTermSupport flag is true when the below version number is a long-term-support version
 	IsLongTermSupport = false
 	// Version is the current version number of the Iris web framework
-	Version = "6.1.1"
+	Version = "6.1.2"
 
 	banner = `         _____      _
         |_   _|    (_)