Show full name if DefaultShowFullName setting activated (#6710)

Adds a new key DEFAULT_SHOW_FULL_NAME (default false) to the [ui] section.
If enabled the full name will be shown (unless it's empty, then
the default username will be used)

modules/setting/setting.go

@@ -176,6 +176,7 @@ var (
 		ThemeColorMetaTag   string
 		MaxDisplayFileSize  int64
 		ShowUserEmail       bool
+		DefaultShowFullName bool
 		DefaultTheme        string
 		Themes              []string
 
@@ -918,6 +919,7 @@ func NewContext() {
 	ShowFooterTemplateLoadTime = Cfg.Section("other").Key("SHOW_FOOTER_TEMPLATE_LOAD_TIME").MustBool(true)
 
 	UI.ShowUserEmail = Cfg.Section("ui").Key("SHOW_USER_EMAIL").MustBool(true)
+	UI.DefaultShowFullName = Cfg.Section("ui").Key("DEFAULT_SHOW_FULL_NAME").MustBool(false)
 
 	HasRobotsTxt = com.IsFile(path.Join(CustomPath, "robots.txt"))
 

modules/templates/helper.go

@@ -63,6 +63,9 @@ func NewFuncMap() []template.FuncMap {
 		"DisableGravatar": func() bool {
 			return setting.DisableGravatar
 		},
+		"DefaultShowFullName": func() bool {
+			return setting.UI.DefaultShowFullName
+		},
 		"ShowFooterTemplateLoadTime": func() bool {
 			return setting.ShowFooterTemplateLoadTime
 		},