better localization detection

Marko Tikvić
1 parent de25e1deb6
Showing 1 changed file with 23 additions and 0 deletions Show diff stats
localization.go
@@ -4,6 +4,8 @@ import (
 	"encoding/json"
 	"errors"
 	"io/ioutil"
+	"net/http"
+	"strings"
 	"sync"
 )
  
@@ -69,3 +71,24 @@ func (d *Dictionary) SetDefaultLocale(loc string) error {
 func (d *Dictionary) GetDefaultLocale() string {
 	return d.defaultLocale
 }
+
+func (d *Dictionary) GetBestMatchLocale(req *http.Request) (best string) {
+	accepted := d.parseAcceptedLanguageHeader(req)
+	best = accepted[0]
+	return
+}
+
+func (d *Dictionary) parseAcceptedLanguageHeader(req *http.Request) (langs []string) {
+	a := req.Header.Get("Accepted-Language")
+	if a == "" {
+		langs = append(langs, d.GetDefaultLocale())
+		return
+	}
+
+	parts := strings.Split(a, ",")
+	for _, p := range parts {
+		langs = append(langs, p)
+	}
+
+	return
+}
...	...	@@ -4,6 +4,8 @@ import (
4	4	"encoding/json"
5	5	"errors"
6	6	"io/ioutil"
	7	+ "net/http"
	8	+ "strings"
7	9	"sync"
8	10	)
9	11
...	...	@@ -69,3 +71,24 @@ func (d *Dictionary) SetDefaultLocale(loc string) error {
69	71	func (d *Dictionary) GetDefaultLocale() string {
70	72	return d.defaultLocale
71	73	}
	74	+
	75	+func (d Dictionary) GetBestMatchLocale(req http.Request) (best string) {
	76	+ accepted := d.parseAcceptedLanguageHeader(req)
	77	+ best = accepted[0]
	78	+ return
	79	+}
	80	+
	81	+func (d Dictionary) parseAcceptedLanguageHeader(req http.Request) (langs []string) {
	82	+ a := req.Header.Get("Accepted-Language")
	83	+ if a == "" {
	84	+ langs = append(langs, d.GetDefaultLocale())
	85	+ return
	86	+ }
	87	+
	88	+ parts := strings.Split(a, ",")
	89	+ for _, p := range parts {
	90	+ langs = append(langs, p)
	91	+ }
	92	+
	93	+ return
	94	+}
...	...