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domain_aggregate.go
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/
domain_aggregate.go
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// Copyright 2021 Monoskope Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package aggregates
import (
"context"
domainErrors "github.com/finleap-connect/monoskope/pkg/domain/errors"
es "github.com/finleap-connect/monoskope/pkg/eventsourcing"
)
type DomainAggregateBase struct {
*es.BaseAggregate
}
// Validate validates if the aggregate exists and is not deleted
func (a *DomainAggregateBase) Validate(ctx context.Context, cmd es.Command) error {
if !a.Exists() {
return domainErrors.ErrNotFound
}
if a.Deleted() {
return domainErrors.ErrDeleted
}
return nil
}
// DefaultReply creates a default command reply containing the ID and current version of the aggregate.
func (a *DomainAggregateBase) DefaultReply() *es.CommandReply {
return &es.CommandReply{
Id: a.ID(),
Version: a.Version(),
}
}