1 files changed, 74 insertions, 0 deletions
diff --git a/models/db/error.go b/models/db/error.go
new file mode 100644
index 0000000..665e970
--- /dev/null
+++ b/models/db/error.go
@@ -0,0 +1,74 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package db
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/modules/util"
+)
+
+// ErrCancelled represents an error due to context cancellation
+type ErrCancelled struct {
+	Message string
+}
+
+// IsErrCancelled checks if an error is a ErrCancelled.
+func IsErrCancelled(err error) bool {
+	_, ok := err.(ErrCancelled)
+	return ok
+}
+
+func (err ErrCancelled) Error() string {
+	return "Cancelled: " + err.Message
+}
+
+// ErrCancelledf returns an ErrCancelled for the provided format and args
+func ErrCancelledf(format string, args ...any) error {
+	return ErrCancelled{
+		fmt.Sprintf(format, args...),
+	}
+}
+
+// ErrSSHDisabled represents an "SSH disabled" error.
+type ErrSSHDisabled struct{}
+
+// IsErrSSHDisabled checks if an error is a ErrSSHDisabled.
+func IsErrSSHDisabled(err error) bool {
+	_, ok := err.(ErrSSHDisabled)
+	return ok
+}
+
+func (err ErrSSHDisabled) Error() string {
+	return "SSH is disabled"
+}
+
+// ErrNotExist represents a non-exist error.
+type ErrNotExist struct {
+	Resource string
+	ID       int64
+}
+
+// IsErrNotExist checks if an error is an ErrNotExist
+func IsErrNotExist(err error) bool {
+	_, ok := err.(ErrNotExist)
+	return ok
+}
+
+func (err ErrNotExist) Error() string {
+	name := "record"
+	if err.Resource != "" {
+		name = err.Resource
+	}
+
+	if err.ID != 0 {
+		return fmt.Sprintf("%s does not exist [id: %d]", name, err.ID)
+	}
+	return fmt.Sprintf("%s does not exist", name)
+}
+
+// Unwrap unwraps this as a ErrNotExist err
+func (err ErrNotExist) Unwrap() error {
+	return util.ErrNotExist
+}