/
entity_storage.go
123 lines (106 loc) · 3.59 KB
/
entity_storage.go
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// This file is part of the Smart Home
// Program complex distribution https://github.com/e154/smart-home
// Copyright (C) 2016-2023, Filippov Alex
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see
// <https://www.gnu.org/licenses/>.
package adaptors
import (
"context"
"encoding/json"
"time"
"github.com/e154/smart-home/common"
"github.com/e154/smart-home/db"
m "github.com/e154/smart-home/models"
"gorm.io/gorm"
)
// IEntityStorage ...
type IEntityStorage interface {
Add(ctx context.Context, ver *m.EntityStorage) (id int64, err error)
GetLastByEntityId(ctx context.Context, entityId common.EntityId) (ver *m.EntityStorage, err error)
List(ctx context.Context, limit, offset int64, orderBy, sort string, entityIds []common.EntityId, startDate, endDate *time.Time) (list []*m.EntityStorage, total int64, err error)
DeleteOldest(ctx context.Context, days int) (err error)
fromDb(dbVer db.EntityStorage) (ver *m.EntityStorage)
toDb(ver *m.EntityStorage) (dbVer db.EntityStorage)
}
// EntityStorage ...
type EntityStorage struct {
IEntityStorage
table *db.EntityStorages
db *gorm.DB
}
// GetEntityStorageAdaptor ...
func GetEntityStorageAdaptor(d *gorm.DB) IEntityStorage {
return &EntityStorage{
table: &db.EntityStorages{Db: d},
db: d,
}
}
// Add ...
func (n *EntityStorage) Add(ctx context.Context, ver *m.EntityStorage) (id int64, err error) {
id, err = n.table.Add(ctx, n.toDb(ver))
return
}
// GetLastByEntityId ...
func (n *EntityStorage) GetLastByEntityId(ctx context.Context, entityId common.EntityId) (ver *m.EntityStorage, err error) {
var dbVer db.EntityStorage
if dbVer, err = n.table.GetLastByEntityId(ctx, entityId); err != nil {
return
}
ver = n.fromDb(dbVer)
return
}
// ListByEntityId ...
func (n *EntityStorage) List(ctx context.Context, limit, offset int64, orderBy, sort string, entityIds []common.EntityId, startDate, endDate *time.Time) (list []*m.EntityStorage, total int64, err error) {
var dbList []db.EntityStorage
if dbList, total, err = n.table.List(ctx, int(limit), int(offset), orderBy, sort, entityIds, startDate, endDate); err != nil {
return
}
list = make([]*m.EntityStorage, len(dbList))
for i, dbVer := range dbList {
list[i] = n.fromDb(dbVer)
}
return
}
// DeleteOldest ...
func (n *EntityStorage) DeleteOldest(ctx context.Context, days int) (err error) {
err = n.table.DeleteOldest(ctx, days)
return
}
func (n *EntityStorage) fromDb(dbVer db.EntityStorage) (ver *m.EntityStorage) {
ver = &m.EntityStorage{
Id: dbVer.Id,
EntityId: dbVer.EntityId,
State: dbVer.State,
Attributes: m.AttributeValue{},
CreatedAt: dbVer.CreatedAt,
}
if len(dbVer.Attributes) > 0 {
_ = json.Unmarshal(dbVer.Attributes, &ver.Attributes)
}
return
}
func (n *EntityStorage) toDb(ver *m.EntityStorage) (dbVer db.EntityStorage) {
dbVer = db.EntityStorage{
Id: ver.Id,
EntityId: ver.EntityId,
State: ver.State,
CreatedAt: ver.CreatedAt,
}
if ver.Attributes != nil {
b, _ := json.Marshal(ver.Attributes)
_ = dbVer.Attributes.UnmarshalJSON(b)
}
return
}