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manufacturer.go
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/
manufacturer.go
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package productpg
import (
"gorm.io/gorm/clause"
"github.com/JenswBE/go-commerce/api/openapi"
"github.com/JenswBE/go-commerce/entities"
"github.com/JenswBE/go-commerce/repositories/productpg/internal"
)
func (r *ProductPostgres) GetManufacturer(id entities.ID) (*entities.Manufacturer, error) {
manufacturer := &internal.Manufacturer{}
err := r.db.Preload("Image").Take(manufacturer, "id = ?", id.String()).Error
if err != nil {
return nil, translatePgError(err, manufacturer, id.String())
}
return manufacturer.ToEntity(), nil
}
func (r *ProductPostgres) ListManufacturers() ([]*entities.Manufacturer, error) {
manufacturers := []*internal.Manufacturer{}
err := r.db.Preload("Image").Order("LOWER(name)").Find(&manufacturers).Error
if err != nil {
return nil, translatePgError(err, manufacturers, "")
}
return internal.ManufacturersListPgToEntity(manufacturers), nil
}
func (r *ProductPostgres) CreateManufacturer(e *entities.Manufacturer) (*entities.Manufacturer, error) {
m := internal.ManufacturerEntityToPg(e)
err := r.db.Create(m).Error
if err != nil {
return nil, translatePgError(err, m, m.ID)
}
return m.ToEntity(), nil
}
func (r *ProductPostgres) UpdateManufacturer(e *entities.Manufacturer) (*entities.Manufacturer, error) {
m := internal.ManufacturerEntityToPg(e)
err := r.db.Save(m).Error
if err != nil {
return nil, translatePgError(err, m, m.ID)
}
return m.ToEntity(), nil
}
func (r *ProductPostgres) DeleteManufacturer(id entities.ID) error {
// Delete manufacturer
var manufacturers []internal.Manufacturer
err := r.db.
Clauses(clause.Returning{Columns: []clause.Column{{Name: "id"}}}).
Delete(&manufacturers, "id = ?", id.String()).
Error
if err != nil {
return translatePgError(err, &internal.Manufacturer{}, id.String())
}
// Return error if not found
if len(manufacturers) == 0 {
return entities.NewError(404, openapi.GOCOMERRORCODE_UNKNOWN_MANUFACTURER, id.String(), err)
}
return nil
}