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entity_store.go
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entity_store.go
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// Copyright © 2022 The Things Network Foundation, The Things Industries B.V.
//
// 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 store
import (
"context"
"fmt"
"strings"
"github.com/uptrace/bun"
"go.thethings.network/lorawan-stack/v3/pkg/errors"
"go.thethings.network/lorawan-stack/v3/pkg/identityserver/store"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
storeutil "go.thethings.network/lorawan-stack/v3/pkg/util/store"
)
type entityStore struct {
*baseStore
*applicationStore
*clientStore
*endDeviceStore
*gatewayStore
*organizationStore
*userStore
}
func newEntityStore(baseStore *baseStore) *entityStore {
return &entityStore{
baseStore: baseStore,
applicationStore: &applicationStore{baseStore},
clientStore: &clientStore{baseStore},
endDeviceStore: &endDeviceStore{baseStore},
gatewayStore: &gatewayStore{baseStore},
organizationStore: &organizationStore{baseStore},
userStore: &userStore{baseStore},
}
}
func (s *entityStore) query(ctx context.Context, entityType string, entityIDs ...string) *bun.SelectQuery {
var query *bun.SelectQuery
switch entityType {
default:
panic(fmt.Errorf("invalid entity type: %s", entityType))
case store.EntityApplication:
query = s.newSelectModel(ctx, &Application{}).
Column("id").
Apply(s.applicationStore.selectWithID(ctx, entityIDs...))
case store.EntityClient:
query = s.newSelectModel(ctx, &Client{}).
Column("id").
Apply(s.clientStore.selectWithID(ctx, entityIDs...))
case store.EntityGateway:
query = s.newSelectModel(ctx, &Gateway{}).
Column("id").
Apply(s.gatewayStore.selectWithID(ctx, entityIDs...))
case store.EntityOrganization, store.EntityUser:
query = s.newSelectModel(ctx, &Account{}).
Column("account_id").
Where("?TableAlias.account_type = ?", entityType)
switch len(entityIDs) {
case 0:
case 1:
query = query.Where("?TableAlias.uid = (?)", entityIDs[0])
default:
query = query.Where("?TableAlias.uid IN (?)", bun.In(entityIDs))
}
}
return query
}
type identifiers interface {
GetEntityIdentifiers() *ttnpb.EntityIdentifiers
}
var entityTypeReplacer = strings.NewReplacer(" ", "_")
func getEntityType(ids ttnpb.IDStringer) string {
return entityTypeReplacer.Replace(ids.EntityType())
}
func (s *entityStore) getEntity(ctx context.Context, ids ttnpb.IDStringer) (entityType, entityUUID string, err error) {
entityType = getEntityType(ids)
if entityType == "end_device" {
entityIDs, ok := ids.(identifiers)
if !ok {
entityIDs = getEntityIdentifiers(entityType, ids.IDString())
}
devIDs := entityIDs.GetEntityIdentifiers().GetDeviceIds()
model, err := s.getEndDeviceModelBy(
ctx,
s.endDeviceStore.selectWithID(ctx, devIDs.GetApplicationIds().GetApplicationId(), devIDs.GetDeviceId()),
store.FieldMask{"ids"},
)
if err != nil {
return "", "", err
}
return entityType, model.ID, nil
}
var uuid string
err = s.query(ctx, entityType, ids.IDString()).Scan(ctx, &uuid)
if err != nil {
err = storeutil.WrapDriverError(err)
if errors.IsNotFound(err) {
return "", "", store.ErrEntityNotFound.WithAttributes(
"entity_type", ids.EntityType(),
"entity_id", ids.IDString(),
)
}
return "", "", err
}
return entityType, uuid, nil
}
func (s *entityStore) getEntityUUIDs(ctx context.Context, entityType string, entityIDs ...string) ([]string, error) {
var uuids []string
err := s.query(ctx, entityType, entityIDs...).Scan(ctx, &uuids)
if err != nil {
return nil, storeutil.WrapDriverError(err)
}
return uuids, nil
}
func (s *entityStore) getEntityID(ctx context.Context, entityType, entityUUID string) (string, error) {
var query *bun.SelectQuery
switch entityType {
default:
panic(fmt.Errorf("invalid entity type: %s", entityType))
case store.EntityApplication:
query = s.newSelectModel(ctx, &Application{}).
Column("application_id").
Where("id = ?", entityUUID)
case store.EntityClient:
query = s.newSelectModel(ctx, &Client{}).
Column("client_id").
Where("id = ?", entityUUID)
case store.EntityGateway:
query = s.newSelectModel(ctx, &Gateway{}).
Column("gateway_id").
Where("id = ?", entityUUID)
case store.EntityOrganization, store.EntityUser:
query = s.newSelectModel(ctx, &Account{}).
Column("uid").
Where("account_id = ?", entityUUID).
Where("?TableAlias.account_type = ?", entityType)
}
var friendlyID string
err := query.Scan(ctx, &friendlyID)
if err != nil {
return "", storeutil.WrapDriverError(err)
}
return friendlyID, nil
}
func getEntityIdentifiers(entityType string, friendlyID string) *ttnpb.EntityIdentifiers {
switch entityType {
default:
panic(fmt.Errorf("invalid entity type: %s", entityType))
case store.EntityApplication:
return (&ttnpb.ApplicationIdentifiers{ApplicationId: friendlyID}).GetEntityIdentifiers()
case store.EntityClient:
return (&ttnpb.ClientIdentifiers{ClientId: friendlyID}).GetEntityIdentifiers()
case "end_device", store.EntityEndDevice:
parts := strings.SplitN(friendlyID, ".", 2)
return (&ttnpb.EndDeviceIdentifiers{
ApplicationIds: &ttnpb.ApplicationIdentifiers{
ApplicationId: parts[0],
},
DeviceId: parts[1],
}).GetEntityIdentifiers()
case store.EntityGateway:
return (&ttnpb.GatewayIdentifiers{GatewayId: friendlyID}).GetEntityIdentifiers()
case store.EntityOrganization:
return (&ttnpb.OrganizationIdentifiers{OrganizationId: friendlyID}).GetEntityIdentifiers()
case store.EntityUser:
return (&ttnpb.UserIdentifiers{UserId: friendlyID}).GetEntityIdentifiers()
}
}