Moved package api to subsonic under server

server/subsonic/responses/errors.go

@@ -0,0 +1,30 @@
+package responses
+
+const (
+	ErrorGeneric = iota * 10
+	ErrorMissingParameter
+	ErrorClientTooOld
+	ErrorServerTooOld
+	ErrorAuthenticationFail
+	ErrorAuthorizationFail
+	ErrorTrialExpired
+	ErrorDataNotFound
+)
+
+var errors = map[int]string{
+	ErrorGeneric:            "A generic error",
+	ErrorMissingParameter:   "Required parameter is missing",
+	ErrorClientTooOld:       "Incompatible Subsonic REST protocol version. Client must upgrade",
+	ErrorServerTooOld:       "Incompatible Subsonic REST protocol version. Server must upgrade",
+	ErrorAuthenticationFail: "Wrong username or password",
+	ErrorAuthorizationFail:  "User is not authorized for the given operation",
+	ErrorTrialExpired:       "The trial period for the Subsonic server is over. Please upgrade to Subsonic Premium. Visit subsonic.org for details",
+	ErrorDataNotFound:       "The requested data was not found",
+}
+
+func ErrorMsg(code int) string {
+	if v, found := errors[code]; found {
+		return v
+	}
+	return errors[ErrorGeneric]
+}