Files
b2b/app/repos/specificPriceRepo/specificPriceRepo.go

248 lines
7.3 KiB
Go

package specificPriceRepo
import (
"context"
"errors"
"time"
"git.ma-al.com/goc_daniel/b2b/app/db"
"git.ma-al.com/goc_daniel/b2b/app/model"
"gorm.io/gorm"
)
type UISpecificPriceRepo interface {
Create(ctx context.Context, pr *model.SpecificPrice) error
Update(ctx context.Context, pr *model.SpecificPrice) error
Delete(ctx context.Context, id uint64) error
GetByID(ctx context.Context, id uint64) (*model.SpecificPrice, error)
List(ctx context.Context) ([]*model.SpecificPrice, error)
SetActive(ctx context.Context, id uint64, active bool) error
}
type SpecificPriceRepo struct{}
func New() UISpecificPriceRepo {
return &SpecificPriceRepo{}
}
func (repo *SpecificPriceRepo) Create(ctx context.Context, pr *model.SpecificPrice) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
now := time.Now()
pr.CreatedAt = &now
if err := tx.Create(pr).Error; err != nil {
return err
}
return repo.insertRelations(tx, pr)
})
}
func (repo *SpecificPriceRepo) Update(ctx context.Context, pr *model.SpecificPrice) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
now := time.Now()
pr.UpdatedAt = &now
if err := tx.Save(pr).Error; err != nil {
return err
}
if err := repo.clearRelations(tx, pr.ID); err != nil {
return err
}
return repo.insertRelations(tx, pr)
})
}
func (repo *SpecificPriceRepo) GetByID(ctx context.Context, id uint64) (*model.SpecificPrice, error) {
var pr model.SpecificPrice
err := db.DB.WithContext(ctx).Where("id = ?", id).First(&pr).Error
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, err
}
if err := repo.loadRelations(ctx, &pr); err != nil {
return nil, err
}
return &pr, nil
}
func (repo *SpecificPriceRepo) List(ctx context.Context) ([]*model.SpecificPrice, error) {
var specificPrices []*model.SpecificPrice
err := db.DB.WithContext(ctx).Find(&specificPrices).Error
if err != nil {
return nil, err
}
for i := range specificPrices {
if err := repo.loadRelations(ctx, specificPrices[i]); err != nil {
return nil, err
}
}
return specificPrices, nil
}
func (repo *SpecificPriceRepo) SetActive(ctx context.Context, id uint64, active bool) error {
return db.DB.WithContext(ctx).Model(&model.SpecificPrice{}).Where("id = ?", id).Update("is_active", active).Error
}
func (repo *SpecificPriceRepo) Delete(ctx context.Context, id uint64) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
if err := tx.Exec("DELETE FROM b2b_specific_price_product WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_category WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_product_attribute WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_country WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_customer WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Delete(&model.SpecificPrice{}, "id = ?", id).Error; err != nil {
return err
}
return nil
})
}
func (repo *SpecificPriceRepo) insertRelations(tx *gorm.DB, pr *model.SpecificPrice) error {
if len(pr.ProductIDs) > 0 {
for _, productID := range pr.ProductIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_product (b2b_specific_price_id, id_product) VALUES (?, ?)
`, pr.ID, productID).Error; err != nil {
return err
}
}
}
if len(pr.CategoryIDs) > 0 {
for _, categoryID := range pr.CategoryIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_category (b2b_specific_price_id, id_category) VALUES (?, ?)
`, pr.ID, categoryID).Error; err != nil {
return err
}
}
}
if len(pr.ProductAttributeIDs) > 0 {
for _, attrID := range pr.ProductAttributeIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_product_attribute (b2b_specific_price_id, id_product_attribute) VALUES (?, ?)
`, pr.ID, attrID).Error; err != nil {
return err
}
}
}
if len(pr.CountryIDs) > 0 {
for _, countryID := range pr.CountryIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_country (b2b_specific_price_id, b2b_id_country) VALUES (?, ?)
`, pr.ID, countryID).Error; err != nil {
return err
}
}
}
if len(pr.CustomerIDs) > 0 {
for _, customerID := range pr.CustomerIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_customer (b2b_specific_price_id, b2b_id_customer) VALUES (?, ?)
`, pr.ID, customerID).Error; err != nil {
return err
}
}
}
return nil
}
func (repo *SpecificPriceRepo) clearRelations(tx *gorm.DB, id uint64) error {
if err := tx.Exec("DELETE FROM b2b_specific_price_product WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_category WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_product_attribute WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_country WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_customer WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
return nil
}
func (repo *SpecificPriceRepo) loadRelations(ctx context.Context, pr *model.SpecificPrice) error {
var err error
var productIDs []struct {
IDProduct uint64 `gorm:"column:id_product"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_product").Where("b2b_specific_price_id = ?", pr.ID).Select("id_product").Scan(&productIDs).Error; err != nil {
return err
}
for _, p := range productIDs {
pr.ProductIDs = append(pr.ProductIDs, p.IDProduct)
}
var categoryIDs []struct {
IDCategory uint64 `gorm:"column:id_category"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_category").Where("b2b_specific_price_id = ?", pr.ID).Select("id_category").Scan(&categoryIDs).Error; err != nil {
return err
}
for _, c := range categoryIDs {
pr.CategoryIDs = append(pr.CategoryIDs, c.IDCategory)
}
var attrIDs []struct {
IDAttr uint64 `gorm:"column:id_product_attribute"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_product_attribute").Where("b2b_specific_price_id = ?", pr.ID).Select("id_product_attribute").Scan(&attrIDs).Error; err != nil {
return err
}
for _, a := range attrIDs {
pr.ProductAttributeIDs = append(pr.ProductAttributeIDs, a.IDAttr)
}
var countryIDs []struct {
IDCountry uint64 `gorm:"column:b2b_id_country"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_country").Where("b2b_specific_price_id = ?", pr.ID).Select("b2b_id_country").Scan(&countryIDs).Error; err != nil {
return err
}
for _, c := range countryIDs {
pr.CountryIDs = append(pr.CountryIDs, c.IDCountry)
}
var customerIDs []struct {
IDCustomer uint64 `gorm:"column:b2b_id_customer"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_customer").Where("b2b_specific_price_id = ?", pr.ID).Select("b2b_id_customer").Scan(&customerIDs).Error; err != nil {
return err
}
for _, c := range customerIDs {
pr.CustomerIDs = append(pr.CustomerIDs, c.IDCustomer)
}
return nil
}