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scope.go
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scope.go
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// Copyright © 2019 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/jinzhu/gorm"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
)
var contextScoper func(context.Context, *gorm.DB) *gorm.DB
func withContext(ctx context.Context) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
if contextScoper != nil {
return contextScoper(ctx, db)
}
return db
}
}
func withApplicationID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(id) {
case 0:
return db
case 1:
if id[0] == "" {
return db
}
return db.Where("application_id = ?", id[0])
default:
return db.Where("application_id IN (?)", id)
}
}
}
func withClientID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(id) {
case 0:
return db
case 1:
return db.Where("client_id = ?", id[0])
default:
return db.Where("client_id IN (?)", id)
}
}
}
func withDeviceID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(id) {
case 0:
return db
case 1:
if id[0] == "" {
return db
}
return db.Where("device_id = ?", id[0])
default:
return db.Where("device_id IN (?)", id)
}
}
}
func withJoinEUI(eui ...EUI64) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(eui) {
case 0:
return db
case 1:
if eui[0] == zeroEUI64 {
return db
}
return db.Where("join_eui = ?", eui[0])
default:
return db.Where("join_eui IN (?)", eui)
}
}
}
func withDevEUI(eui ...EUI64) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(eui) {
case 0:
return db
case 1:
if eui[0] == zeroEUI64 {
return db
}
return db.Where("dev_eui = ?", eui[0])
default:
return db.Where("dev_eui IN (?)", eui)
}
}
}
func withApplicationAndDeviceID(applicationID, deviceID string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
return db.Where("application_id = ? AND device_id = ?", applicationID, deviceID)
}
}
func withGatewayID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(id) {
case 0:
return db
case 1:
if id[0] == "" {
return db
}
return db.Where("gateway_id = ?", id[0])
default:
return db.Where("gateway_id IN (?)", id)
}
}
}
func withGatewayEUI(eui ...EUI64) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
switch len(eui) {
case 0:
return db
case 1:
if eui[0] == zeroEUI64 {
return db
}
return db.Where("gateway_eui = ?", eui[0])
default:
return db.Where("gateway_eui IN (?)", eui)
}
}
}
func withOrganizationID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
db = db.Joins("LEFT JOIN accounts ON accounts.account_type = ? AND accounts.account_id = organizations.id", "organization")
switch len(id) {
case 0:
return db
case 1:
return db.Where("accounts.uid = ?", id[0])
default:
return db.Where("accounts.uid IN (?)", id)
}
}
}
func withUserID(id ...string) func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
db = db.Joins("LEFT JOIN accounts ON accounts.account_type = ? AND accounts.account_id = users.id", "user")
switch len(id) {
case 0:
return db
case 1:
return db.Where("accounts.uid = ?", id[0])
default:
return db.Where("accounts.uid IN (?)", id)
}
}
}
func splitEndDeviceIDString(s string) (appID string, devID string) {
sepIdx := strings.Index(s, ".")
return s[:sepIdx], s[sepIdx+1:]
}
func withID(id ttnpb.Identifiers) func(*gorm.DB) *gorm.DB {
switch entityTypeForID(id) {
case "application":
return withApplicationID(id.IDString())
case "client":
return withClientID(id.IDString())
case "end_device":
return withApplicationAndDeviceID(splitEndDeviceIDString(id.IDString()))
case "gateway":
return withGatewayID(id.IDString())
case "organization":
return withOrganizationID(id.IDString())
case "user":
return withUserID(id.IDString())
default:
panic(fmt.Sprintf("can't find scope for id type %T", id))
}
}
func withUnscoped() func(*gorm.DB) *gorm.DB {
return func(db *gorm.DB) *gorm.DB {
return db.Unscoped()
}
}