Files
RenewCMS/internal/infrastructure/useCases/RemoveUser.go
T

80 lines
2.1 KiB
Go

package useCases
import (
"RenewCMS/internal/domain/audit"
"RenewCMS/internal/domain/contenttype"
"RenewCMS/internal/domain/role"
"RenewCMS/internal/domain/user"
"context"
"errors"
)
type RemoveUserUseCase struct {
users user.Repository
roles role.Repository
contentTypes contenttype.Repository
recorder audit.Recorder
}
type RemoveUserCommand struct {
Caller ContentCaller
TargetID uint32
ExpectedRoleID uint32
}
func NewRemoveUserUseCase(users user.Repository, roles role.Repository, contentTypes contenttype.Repository, recorder audit.Recorder) *RemoveUserUseCase {
return &RemoveUserUseCase{users: users, roles: roles, contentTypes: contentTypes, recorder: recorder}
}
func (u *RemoveUserUseCase) Remove(ctx context.Context, command RemoveUserCommand) error {
if command.ExpectedRoleID == 0 {
return role.ErrUnknownRole
}
target, err := u.users.Get(command.TargetID)
if err != nil {
return err
}
if err := u.check(command, target); err != nil {
return err
}
event := audit.NewEvent(audit.ActionUserRemove, audit.CategoryUsers)
event.Target = audit.NewTarget(audit.TargetUser, target.ID, target.Username)
if err := u.users.DeleteIfRole(target.ID, command.ExpectedRoleID); err != nil {
u.recordWriteFailure(ctx, event, err)
return err
}
u.recorder.Record(ctx, event)
return nil
}
func (u *RemoveUserUseCase) check(command RemoveUserCommand, target user.User) error {
if target.ID == command.Caller.UserID {
return role.ErrOwnRole
}
if target.RoleID != command.ExpectedRoleID {
return user.ErrRoleChanged
}
held, err := resolveRole(u.roles, target)
if errors.Is(err, role.ErrRoleNotFound) {
return nil
}
if err != nil {
return err
}
if held.Locked {
return role.ErrRoleLocked
}
typeKeys, err := allowedTypeKeys(u.contentTypes)
if err != nil {
return err
}
return ensureCoveredBy(command.Caller, typeKeys, held)
}
func (u *RemoveUserUseCase) recordWriteFailure(ctx context.Context, event audit.Event, err error) {
if errors.Is(err, user.ErrRoleChanged) || errors.Is(err, user.ErrUserNotFound) {
return
}
recordFailure(ctx, u.recorder, event, err)
}