Files

140 lines
3.9 KiB
Go

package storage
import (
"fmt"
"github.com/google/uuid"
"gorm.io/gorm"
"mengyastore-backend/internal/database"
"mengyastore-backend/internal/models"
)
type OrderStore struct {
db *gorm.DB
}
func NewOrderStore(db *gorm.DB) (*OrderStore, error) {
return &OrderStore{db: db}, nil
}
func orderRowToModel(row database.OrderRow) models.Order {
return models.Order{
ID: row.ID,
ProductID: row.ProductID,
ProductName: row.ProductName,
UserAccount: row.UserAccount,
UserName: row.UserName,
Quantity: row.Quantity,
DeliveredCodes: row.DeliveredCodes,
Status: row.Status,
DeliveryMode: row.DeliveryMode,
Note: row.Note,
ContactPhone: row.ContactPhone,
ContactEmail: row.ContactEmail,
NotifyEmail: row.NotifyEmail,
CreatedAt: row.CreatedAt,
}
}
func (s *OrderStore) Create(order models.Order) (models.Order, error) {
if order.ID == "" {
order.ID = uuid.NewString()
}
if len(order.DeliveredCodes) == 0 {
order.DeliveredCodes = []string{}
}
row := database.OrderRow{
ID: order.ID,
ProductID: order.ProductID,
ProductName: order.ProductName,
UserAccount: order.UserAccount,
UserName: order.UserName,
Quantity: order.Quantity,
DeliveredCodes: database.StringSlice(order.DeliveredCodes),
Status: order.Status,
DeliveryMode: order.DeliveryMode,
Note: order.Note,
ContactPhone: order.ContactPhone,
ContactEmail: order.ContactEmail,
NotifyEmail: order.NotifyEmail,
}
if err := s.db.Create(&row).Error; err != nil {
return models.Order{}, err
}
order.CreatedAt = row.CreatedAt
return order, nil
}
func (s *OrderStore) GetByID(id string) (models.Order, error) {
var row database.OrderRow
if err := s.db.First(&row, "id = ?", id).Error; err != nil {
return models.Order{}, fmt.Errorf("order not found")
}
return orderRowToModel(row), nil
}
func (s *OrderStore) Confirm(id string) (models.Order, error) {
var row database.OrderRow
if err := s.db.First(&row, "id = ?", id).Error; err != nil {
return models.Order{}, fmt.Errorf("order not found")
}
if err := s.db.Model(&row).Update("status", "completed").Error; err != nil {
return models.Order{}, err
}
row.Status = "completed"
return orderRowToModel(row), nil
}
func (s *OrderStore) ListByAccount(account string) ([]models.Order, error) {
var rows []database.OrderRow
if err := s.db.Where("user_account = ?", account).Order("created_at DESC").Find(&rows).Error; err != nil {
return nil, err
}
orders := make([]models.Order, len(rows))
for i, r := range rows {
orders[i] = orderRowToModel(r)
}
return orders, nil
}
func (s *OrderStore) ListAll() ([]models.Order, error) {
var rows []database.OrderRow
if err := s.db.Order("created_at DESC").Find(&rows).Error; err != nil {
return nil, err
}
orders := make([]models.Order, len(rows))
for i, r := range rows {
orders[i] = orderRowToModel(r)
}
return orders, nil
}
func (s *OrderStore) CountPurchasedByAccount(account, productID string) (int, error) {
var total int64
err := s.db.Model(&database.OrderRow{}).
Where("user_account = ? AND product_id = ? AND status = ?", account, productID, "completed").
Select("COALESCE(SUM(quantity), 0)").Scan(&total).Error
return int(total), err
}
// Count returns the total number of orders.
func (s *OrderStore) Count() (int, error) {
var count int64
if err := s.db.Model(&database.OrderRow{}).Count(&count).Error; err != nil {
return 0, err
}
return int(count), nil
}
// Delete removes a single order by ID.
func (s *OrderStore) Delete(id string) error {
return s.db.Delete(&database.OrderRow{}, "id = ?", id).Error
}
// UpdateCodes replaces the delivered codes for an order (used by auto-delivery to set codes after extracting).
func (s *OrderStore) UpdateCodes(id string, codes []string) error {
return s.db.Model(&database.OrderRow{}).Where("id = ?", id).
Update("delivered_codes", database.StringSlice(codes)).Error
}