1 files changed, 50 insertions, 0 deletions
diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..4597b3f
--- /dev/null
+++ b/errors.go
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+/*
+ * Error definitions
+ *
+ * Copyright (C) 2024  Runxi Yu <https://runxiyu.org>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package main
+
+import (
+	"errors"
+)
+
+var (
+	errCannotSetupJwks            = errors.New("cannot set up jwks")
+	errInsufficientFields         = errors.New("insufficient fields")
+	errCannotGetDepartment        = errors.New("cannot get department")
+	errCannotFetchAccessToken     = errors.New("cannot fetch access token")
+	errTokenEndpointReturnedError = errors.New("token endpoint returned error")
+	errCannotProcessConfig        = errors.New("cannot process configuration file")
+	errCannotOpenConfig           = errors.New("cannot open configuration file")
+	errCannotDecodeConfig         = errors.New("cannot decode configuration file")
+	errMissingConfigValue         = errors.New("missing configuration value")
+	errIllegalConfig              = errors.New("illegal configuration")
+	errInvalidCourseType          = errors.New("invalid course type")
+	errInvalidCourseGroup         = errors.New("invalid course group")
+	errMultipleChoicesInOneGroup  = errors.New("multiple choices per group per user")
+	errUnsupportedDatabaseType    = errors.New("unsupported db type")
+	errUnexpectedDBError          = errors.New("unexpected database error")
+	errCannotSend                 = errors.New("cannot send")
+	errCannotGenerateRandomString = errors.New("cannot generate random string")
+	errContextCancelled           = errors.New("context cancelled")
+	errCannotReceiveMessage       = errors.New("cannot receive message")
+	errNoSuchCourse               = errors.New("no such course")
+	errInvalidState               = errors.New("invalid state")
+	errWebSocketWrite             = errors.New("error writing to websocket")
+)