discussion_repository.go
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package repository
import (
"context"
"github.com/jinzhu/copier"
"github.com/pkg/errors"
"github.com/tiptok/gocomm/pkg/cache"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/interanl/pkg/db/models"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/interanl/pkg/db/transaction"
"gitlab.fjmaimaimai.com/allied-creation/sumifcc-discuss/cmd/discuss/interanl/pkg/domain"
"gorm.io/gorm"
)
type DiscussionRepository struct {
*cache.CachedRepository
}
func (repository *DiscussionRepository) Insert(ctx context.Context, conn transaction.Conn, dm *domain.Discussion) (*domain.Discussion, error) {
var (
err error
m = &models.Discussion{}
tx = conn.DB()
)
if m, err = repository.DomainModelToModel(dm); err != nil {
return nil, err
}
if tx = tx.Model(m).Save(m); tx.Error != nil {
return nil, tx.Error
}
dm.Id = m.Id
return repository.ModelToDomainModel(m)
}
func (repository *DiscussionRepository) Update(ctx context.Context, conn transaction.Conn, dm *domain.Discussion) (*domain.Discussion, error) {
var (
err error
m *models.Discussion
tx = conn.DB()
)
if m, err = repository.DomainModelToModel(dm); err != nil {
return nil, err
}
queryFunc := func() (interface{}, error) {
tx = tx.Model(m).Updates(m)
return nil, tx.Error
}
if _, err = repository.Query(queryFunc, m.CacheKeyFunc()); err != nil {
return nil, err
}
return repository.ModelToDomainModel(m)
}
func (repository *DiscussionRepository) UpdateWithVersion(ctx context.Context, transaction transaction.Conn, dm *domain.Discussion) (*domain.Discussion, error) {
var (
err error
m *models.Discussion
tx = transaction.DB()
)
if m, err = repository.DomainModelToModel(dm); err != nil {
return nil, err
}
oldVersion := dm.Version
m.Version += 1
queryFunc := func() (interface{}, error) {
tx = tx.Model(m).Select("*").Where("id = ?", m.Id).Where("version = ?", oldVersion).Updates(m)
if tx.RowsAffected == 0 {
return nil, domain.ErrUpdateFail
}
return nil, tx.Error
}
if _, err = repository.Query(queryFunc, m.CacheKeyFunc()); err != nil {
return nil, err
}
return repository.ModelToDomainModel(m)
}
func (repository *DiscussionRepository) Delete(ctx context.Context, conn transaction.Conn, dm *domain.Discussion) (*domain.Discussion, error) {
var (
tx = conn.DB()
m = &models.Discussion{Id: dm.Identify().(int64)}
)
queryFunc := func() (interface{}, error) {
tx = tx.Where("id = ?", m.Id).Delete(m)
return m, tx.Error
}
if _, err := repository.Query(queryFunc, m.CacheKeyFunc()); err != nil {
return dm, err
}
return repository.ModelToDomainModel(m)
}
func (repository *DiscussionRepository) FindOne(ctx context.Context, conn transaction.Conn, id int64) (*domain.Discussion, error) {
var (
err error
tx = conn.DB()
m = new(models.Discussion)
)
queryFunc := func() (interface{}, error) {
tx = tx.Model(m).Where("id = ?", id).First(m)
if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
return nil, domain.ErrNotFound
}
return m, tx.Error
}
cacheModel := new(models.Discussion)
cacheModel.Id = id
if err = repository.QueryCache(cacheModel.CacheKeyFunc, m, queryFunc); err != nil {
return nil, err
}
return repository.ModelToDomainModel(m)
}
func (repository *DiscussionRepository) Find(ctx context.Context, conn transaction.Conn, queryOptions map[string]interface{}) (int64, []*domain.Discussion, error) {
var (
tx = conn.DB()
ms []*models.Discussion
dms = make([]*domain.Discussion, 0)
total int64
)
queryFunc := func() (interface{}, error) {
tx = tx.Model(&ms).Order("id desc")
if total, tx = transaction.PaginationAndCount(ctx, tx, queryOptions, &ms); tx.Error != nil {
return dms, tx.Error
}
return dms, nil
}
if _, err := repository.Query(queryFunc); err != nil {
return 0, nil, err
}
for _, item := range ms {
if dm, err := repository.ModelToDomainModel(item); err != nil {
return 0, dms, err
} else {
dms = append(dms, dm)
}
}
return total, dms, nil
}
func (repository *DiscussionRepository) ModelToDomainModel(from *models.Discussion) (*domain.Discussion, error) {
to := &domain.Discussion{}
err := copier.Copy(to, from)
return to, err
}
func (repository *DiscussionRepository) DomainModelToModel(from *domain.Discussion) (*models.Discussion, error) {
to := &models.Discussion{}
err := copier.Copy(to, from)
return to, err
}
func NewDiscussionRepository(cache *cache.CachedRepository) domain.DiscussionRepository {
return &DiscussionRepository{CachedRepository: cache}
}