Introduces context.Context in API controllers

api/base_api_controller.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"context"
 	"encoding/xml"
 	"fmt"
 	"strconv"
@@ -12,7 +13,10 @@ import (
 	"github.com/cloudsonic/sonic-server/utils"
 )
 
-type BaseAPIController struct{ beego.Controller }
+type BaseAPIController struct {
+	beego.Controller
+	context context.Context
+}
 
 func (c *BaseAPIController) NewEmpty() responses.Subsonic {
 	return responses.Subsonic{Status: "ok", Version: beego.AppConfig.String("apiVersion")}