Supporting json output (except for errors)

api/responses/errors.go

@@ -0,0 +1,35 @@
+package responses
+
+const (
+	ERROR_GENERIC = iota * 10
+	ERROR_MISSING_PARAMETER
+	ERROR_CLIENT_TOO_OLD
+	ERROR_SERVER_TOO_OLD
+	ERROR_AUTHENTICATION_FAIL
+	ERROR_AUTHORIZATION_FAIL
+	ERROR_TRIAL_EXPIRED
+	ERROR_DATA_NOT_FOUND
+)
+
+var (
+	errors map[int]string
+)
+
+func init() {
+	errors = make(map[int]string)
+	errors[ERROR_GENERIC] = "A generic error"
+	errors[ERROR_MISSING_PARAMETER] = "Required parameter is missing"
+	errors[ERROR_CLIENT_TOO_OLD] = "Incompatible Subsonic REST protocol version. Client must upgrade"
+	errors[ERROR_SERVER_TOO_OLD] = "Incompatible Subsonic REST protocol version. Server must upgrade"
+	errors[ERROR_AUTHENTICATION_FAIL] = "Wrong username or password"
+	errors[ERROR_AUTHORIZATION_FAIL] = "User is not authorized for the given operation"
+	errors[ERROR_TRIAL_EXPIRED] = "The trial period for the Subsonic server is over. Please upgrade to Subsonic Premium. Visit subsonic.org for details"
+	errors[ERROR_DATA_NOT_FOUND] = "The requested data was not found"
+}
+
+func ErrorMsg(code int) string {
+	if v, found := errors[code]; found {
+		return v
+	}
+	return errors[ERROR_GENERIC]
+}