1 files changed, 127 insertions, 0 deletions
diff --git a/models/quota/errors.go b/models/quota/errors.go
new file mode 100644
index 0000000..962c8b1
--- /dev/null
+++ b/models/quota/errors.go
@@ -0,0 +1,127 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package quota
+
+import "fmt"
+
+type ErrRuleAlreadyExists struct {
+	Name string
+}
+
+func IsErrRuleAlreadyExists(err error) bool {
+	_, ok := err.(ErrRuleAlreadyExists)
+	return ok
+}
+
+func (err ErrRuleAlreadyExists) Error() string {
+	return fmt.Sprintf("rule already exists: [name: %s]", err.Name)
+}
+
+type ErrRuleNotFound struct {
+	Name string
+}
+
+func IsErrRuleNotFound(err error) bool {
+	_, ok := err.(ErrRuleNotFound)
+	return ok
+}
+
+func (err ErrRuleNotFound) Error() string {
+	return fmt.Sprintf("rule not found: [name: %s]", err.Name)
+}
+
+type ErrGroupAlreadyExists struct {
+	Name string
+}
+
+func IsErrGroupAlreadyExists(err error) bool {
+	_, ok := err.(ErrGroupAlreadyExists)
+	return ok
+}
+
+func (err ErrGroupAlreadyExists) Error() string {
+	return fmt.Sprintf("group already exists: [name: %s]", err.Name)
+}
+
+type ErrGroupNotFound struct {
+	Name string
+}
+
+func IsErrGroupNotFound(err error) bool {
+	_, ok := err.(ErrGroupNotFound)
+	return ok
+}
+
+func (err ErrGroupNotFound) Error() string {
+	return fmt.Sprintf("group not found: [group: %s]", err.Name)
+}
+
+type ErrUserAlreadyInGroup struct {
+	GroupName string
+	UserID    int64
+}
+
+func IsErrUserAlreadyInGroup(err error) bool {
+	_, ok := err.(ErrUserAlreadyInGroup)
+	return ok
+}
+
+func (err ErrUserAlreadyInGroup) Error() string {
+	return fmt.Sprintf("user already in group: [group: %s, userID: %d]", err.GroupName, err.UserID)
+}
+
+type ErrUserNotInGroup struct {
+	GroupName string
+	UserID    int64
+}
+
+func IsErrUserNotInGroup(err error) bool {
+	_, ok := err.(ErrUserNotInGroup)
+	return ok
+}
+
+func (err ErrUserNotInGroup) Error() string {
+	return fmt.Sprintf("user not in group: [group: %s, userID: %d]", err.GroupName, err.UserID)
+}
+
+type ErrRuleAlreadyInGroup struct {
+	GroupName string
+	RuleName  string
+}
+
+func IsErrRuleAlreadyInGroup(err error) bool {
+	_, ok := err.(ErrRuleAlreadyInGroup)
+	return ok
+}
+
+func (err ErrRuleAlreadyInGroup) Error() string {
+	return fmt.Sprintf("rule already in group: [group: %s, rule: %s]", err.GroupName, err.RuleName)
+}
+
+type ErrRuleNotInGroup struct {
+	GroupName string
+	RuleName  string
+}
+
+func IsErrRuleNotInGroup(err error) bool {
+	_, ok := err.(ErrRuleNotInGroup)
+	return ok
+}
+
+func (err ErrRuleNotInGroup) Error() string {
+	return fmt.Sprintf("rule not in group: [group: %s, rule: %s]", err.GroupName, err.RuleName)
+}
+
+type ErrParseLimitSubjectUnrecognized struct {
+	Subject string
+}
+
+func IsErrParseLimitSubjectUnrecognized(err error) bool {
+	_, ok := err.(ErrParseLimitSubjectUnrecognized)
+	return ok
+}
+
+func (err ErrParseLimitSubjectUnrecognized) Error() string {
+	return fmt.Sprintf("unrecognized quota limit subject: [subject: %s]", err.Subject)
+}