Add user language in settings, use that field as language for UI

include/pgettext.php

@@ -161,3 +161,26 @@ function string_plural_select_default($n) {
 	return ($n != 1);
 }}
 
+
+/**
+ * Return installed languages as associative array
+ * [
+ * 		lang => lang,
+ * 		...
+ * ]
+ */
+function get_avaiable_languages() {
+	$lang_choices = array();
+	$langs = glob('view/*/strings.php'); /**/
+
+	if(is_array($langs) && count($langs)) {
+		if(! in_array('view/en/strings.php',$langs))
+			$langs[] = 'view/en/';
+		asort($langs);
+		foreach($langs as $l) {
+			$t = explode("/",$l);
+			$lang_choices[$t[1]] = $t[1];
+		}
+	}
+	return $lang_choices;
+}

index.php

@@ -102,13 +102,13 @@ session_start();
  * Language was set earlier, but we can over-ride it in the session.
  * We have to do it here because the session was just now opened.
  */
-
+if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) {
-if(array_key_exists('system_language',$_POST)) {
+	// we didn't loaded user data yet, but we need user language
-	if(strlen($_POST['system_language']))
+	$r = q("SELECT language FROM user WHERE uid=%d", intval($_SESSION['uid']));
-		$_SESSION['language'] = $_POST['system_language'];
+	$_SESSION['language'] = $lang;
-	else
+	if (count($r)>0) $_SESSION['language'] = $r[0]['language'];
-		unset($_SESSION['language']);
 }
+
 if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
 	$lang = $_SESSION['language'];
 	load_translation_table($lang);

mod/admin.php

@@ -603,18 +603,7 @@ function admin_page_site_post(&$a){
 function admin_page_site(&$a) {
 
 	/* Installed langs */
-	$lang_choices = array();
+	$lang_choices = get_avaiable_languages();
-	$langs = glob('view/*/strings.php'); /**/
-
-	if(is_array($langs) && count($langs)) {
-		if(! in_array('view/en/strings.php',$langs))
-			$langs[] = 'view/en/';
-		asort($langs);
-		foreach($langs as $l) {
-			$t = explode("/",$l);
-			$lang_choices[$t[1]] = $t[1];
-		}
-	}
 
 	if (strlen(get_config('system','directory_submit_url')) AND
 		!strlen(get_config('system','directory'))) {

mod/settings.php

@@ -386,6 +386,8 @@ function settings_post(&$a) {
 	$username         = ((x($_POST,'username'))   ? notags(trim($_POST['username']))     : '');
 	$email            = ((x($_POST,'email'))      ? notags(trim($_POST['email']))        : '');
 	$timezone         = ((x($_POST,'timezone'))   ? notags(trim($_POST['timezone']))     : '');
+	$language         = ((x($_POST,'language'))   ? notags(trim($_POST['language']))     : '');
+
 	$defloc           = ((x($_POST,'defloc'))     ? notags(trim($_POST['defloc']))       : '');
 	$openid           = ((x($_POST,'openid_url')) ? notags(trim($_POST['openid_url']))   : '');
 	$maxreq           = ((x($_POST,'maxreq'))     ? intval($_POST['maxreq'])             : 0);
@@ -532,7 +534,15 @@ function settings_post(&$a) {
 		}
 	}
 
-	$r = q("UPDATE `user` SET `username` = '%s', `email` = '%s', `openid` = '%s', `timezone` = '%s',  `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `notify-flags` = %d, `page-flags` = %d, `default-location` = '%s', `allow_location` = %d, `maxreq` = %d, `expire` = %d, `openidserver` = '%s', `def_gid` = %d, `blockwall` = %d, `hidewall` = %d, `blocktags` = %d, `unkmail` = %d, `cntunkmail` = %d  WHERE `uid` = %d",
+
+	$r = q("UPDATE `user` SET `username` = '%s', `email` = '%s',
+				`openid` = '%s', `timezone` = '%s',
+				`allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s',
+				`notify-flags` = %d, `page-flags` = %d, `default-location` = '%s',
+				`allow_location` = %d, `maxreq` = %d, `expire` = %d, `openidserver` = '%s',
+				`def_gid` = %d, `blockwall` = %d, `hidewall` = %d, `blocktags` = %d,
+				`unkmail` = %d, `cntunkmail` = %d, `language` = '%s'
+			WHERE `uid` = %d",
 			dbesc($username),
 			dbesc($email),
 			dbesc($openid),
@@ -554,11 +564,15 @@ function settings_post(&$a) {
 			intval($blocktags),
 			intval($unkmail),
 			intval($cntunkmail),
+			dbesc($language),
 			intval(local_user())
 	);
 	if($r)
 		info( t('Settings updated.') . EOL);
 
+	// clear session language
+	unset($_SESSION['language']);
+
 	$r = q("UPDATE `profile`
 		SET `publish` = %d,
 		`name` = '%s',
@@ -985,6 +999,7 @@ function settings_content(&$a) {
 	$email      = $a->user['email'];
 	$nickname   = $a->user['nickname'];
 	$timezone   = $a->user['timezone'];
+	$language   = $a->user['language'];
 	$notify     = $a->user['notify-flags'];
 	$defloc     = $a->user['default-location'];
 	$openid     = $a->user['openid'];
@@ -1168,6 +1183,8 @@ function settings_content(&$a) {
 	else
 		$public_post_link = '&public=1';
 
+	/* Installed langs */
+	$lang_choices = get_avaiable_languages();
 
 	$o .= replace_macros($stpl, array(
 		'$ptitle' 	=> t('Account Settings'),
@@ -1190,6 +1207,7 @@ function settings_content(&$a) {
 		'$username' => array('username',  t('Full Name:'), $username,''),
 		'$email' 	=> array('email', t('Email Address:'), $email, '', '', '', 'email'),
 		'$timezone' => array('timezone_select' , t('Your Timezone:'), select_timezone($timezone), ''),
+		'$language' => array('language', t('Your Language:'), $language, t('Set the language we use to show you friendica interface and to send you emails'), $lang_choices),
 		'$defloc'	=> array('defloc', t('Default Post Location:'), $defloc, ''),
 		'$allowloc' => array('allow_location', t('Use Browser Location:'), ($a->user['allow_location'] == 1), ''),
 

view/templates/settings.tpl

@@ -27,6 +27,7 @@
 {{include file="field_input.tpl" field=$email}}
 {{include file="field_password.tpl" field=$password4}}
 {{include file="field_custom.tpl" field=$timezone}}
+{{include file="field_select.tpl" field=$language}}
 {{include file="field_input.tpl" field=$defloc}}
 {{include file="field_checkbox.tpl" field=$allowloc}}
 

view/theme/decaf-mobile/templates/settings.tpl

@@ -27,6 +27,7 @@
 {{include file="field_input.tpl" field=$email}}
 {{include file="field_password.tpl" field=$password4}}
 {{include file="field_custom.tpl" field=$timezone}}
+{{include file="field_select.tpl" field=$language}}
 {{include file="field_input.tpl" field=$defloc}}
 {{include file="field_checkbox.tpl" field=$allowloc}}
 

view/theme/frost-mobile/templates/settings.tpl

@@ -27,6 +27,7 @@
 {{include file="field_input.tpl" field=$email}}
 {{include file="field_password.tpl" field=$password4}}
 {{include file="field_custom.tpl" field=$timezone}}
+{{include file="field_select.tpl" field=$language}}
 {{include file="field_input.tpl" field=$defloc}}
 {{include file="field_checkbox.tpl" field=$allowloc}}