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model.go
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model.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"
"time"
"github.com/jinzhu/gorm"
)
func cleanTime(t time.Time) time.Time {
return t.UTC().Truncate(time.Millisecond)
}
func cleanTimePtr(t *time.Time) *time.Time {
if t == nil {
return nil
}
clean := cleanTime(*t)
return &clean
}
func init() {
gorm.NowFunc = func() time.Time {
return cleanTime(time.Now())
}
}
type modelInterface interface {
PrimaryKey() string
SetContext(ctx context.Context)
}
// Model is the base of database models.
type Model struct {
ctx context.Context
ID string `gorm:"type:UUID;primary_key;default:gen_random_uuid()"`
CreatedAt time.Time `gorm:"not null"`
UpdatedAt time.Time `gorm:"not null"`
}
// PrimaryKey returns the primary key of the model.
func (m Model) PrimaryKey() string { return m.ID }
var modelColumns = []string{"id", "created_at", "updated_at"}
// SoftDelete makes a Delete operation set a DeletedAt instead of actually deleting the model.
type SoftDelete struct {
DeletedAt *time.Time `gorm:"index"`
}