simplify names

modules/mailer/mailer.go

@@ -70,8 +70,12 @@ func (m Message) Content() string {
 
 var mailQueue chan *Message
 
-func NewMailerContext() {
-	mailQueue = make(chan *Message, setting.Cfg.Section("mailer").Key("SEND_BUFFER_LEN").MustInt(10))
+func NewContext() {
+	if setting.MailService == nil {
+		return
+	}
+
+	mailQueue = make(chan *Message, setting.MailService.QueueLength)
 	go processMailQueue()
 }
 

modules/setting/setting.go

@@ -229,9 +229,9 @@ func forcePathSeparator(path string) {
 	}
 }
 
-// NewConfigContext initializes configuration context.
+// NewContext initializes configuration context.
 // NOTE: do not print any log except error.
-func NewConfigContext() {
+func NewContext() {
 	workDir, err := WorkDir()
 	if err != nil {
 		log.Fatal(4, "Fail to get work directory: %v", err)
@@ -545,6 +545,7 @@ func newSessionService() {
 
 // Mailer represents mail service.
 type Mailer struct {
+	QueueLength       int
 	Name              string
 	Host              string
 	From              string
@@ -581,6 +582,7 @@ func newMailService() {
 	}
 
 	MailService = &Mailer{
+		QueueLength:    sec.Key("SEND_BUFFER_LEN").MustInt(100),
 		Name:           sec.Key("NAME").MustString(AppName),
 		Host:           sec.Key("HOST").String(),
 		User:           sec.Key("USER").String(),