118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
package repository
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import (
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"apskel-pos-be/internal/entities"
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"context"
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"fmt"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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type CustomerPointsRepository struct {
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db *gorm.DB
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}
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func NewCustomerPointsRepository(db *gorm.DB) *CustomerPointsRepository {
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return &CustomerPointsRepository{db: db}
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}
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func (r *CustomerPointsRepository) Create(ctx context.Context, customerPoints *entities.CustomerPoints) error {
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return r.db.WithContext(ctx).Create(customerPoints).Error
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}
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func (r *CustomerPointsRepository) GetByID(ctx context.Context, id uuid.UUID) (*entities.CustomerPoints, error) {
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var customerPoints entities.CustomerPoints
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err := r.db.WithContext(ctx).Preload("Customer").Where("id = ?", id).First(&customerPoints).Error
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if err != nil {
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return nil, err
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}
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return &customerPoints, nil
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}
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func (r *CustomerPointsRepository) GetByCustomerID(ctx context.Context, customerID uuid.UUID) (*entities.CustomerPoints, error) {
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var customerPoints entities.CustomerPoints
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err := r.db.WithContext(ctx).Preload("Customer").Where("customer_id = ?", customerID).First(&customerPoints).Error
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if err != nil {
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return nil, err
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}
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return &customerPoints, nil
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}
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func (r *CustomerPointsRepository) List(ctx context.Context, offset, limit int, search string, sortBy, sortOrder string) ([]entities.CustomerPoints, int64, error) {
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var customerPoints []entities.CustomerPoints
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var total int64
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query := r.db.WithContext(ctx).Preload("Customer")
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if search != "" {
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searchTerm := "%" + search + "%"
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query = query.Joins("JOIN customers ON customer_points.customer_id = customers.id").
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Where("customers.name ILIKE ? OR customers.email ILIKE ?", searchTerm, searchTerm)
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}
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if err := query.Model(&entities.CustomerPoints{}).Count(&total).Error; err != nil {
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return nil, 0, err
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}
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if sortBy != "" {
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if sortOrder == "" {
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sortOrder = "asc"
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}
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query = query.Order(fmt.Sprintf("customer_points.%s %s", sortBy, sortOrder))
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} else {
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query = query.Order("customer_points.created_at DESC")
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}
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err := query.Offset(offset).Limit(limit).Find(&customerPoints).Error
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if err != nil {
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return nil, 0, err
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}
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return customerPoints, total, nil
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}
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func (r *CustomerPointsRepository) Update(ctx context.Context, customerPoints *entities.CustomerPoints) error {
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return r.db.WithContext(ctx).Save(customerPoints).Error
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}
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func (r *CustomerPointsRepository) Delete(ctx context.Context, id uuid.UUID) error {
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return r.db.WithContext(ctx).Delete(&entities.CustomerPoints{}, id).Error
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}
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func (r *CustomerPointsRepository) AddPoints(ctx context.Context, customerID uuid.UUID, points int64) error {
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return r.db.WithContext(ctx).Model(&entities.CustomerPoints{}).
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Where("customer_id = ?", customerID).
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Update("balance", gorm.Expr("balance + ?", points)).Error
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}
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func (r *CustomerPointsRepository) DeductPoints(ctx context.Context, customerID uuid.UUID, points int64) error {
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return r.db.WithContext(ctx).Model(&entities.CustomerPoints{}).
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Where("customer_id = ? AND balance >= ?", customerID, points).
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Update("balance", gorm.Expr("balance - ?", points)).Error
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}
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func (r *CustomerPointsRepository) EnsureCustomerPoints(ctx context.Context, customerID uuid.UUID) (*entities.CustomerPoints, error) {
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customerPoints, err := r.GetByCustomerID(ctx, customerID)
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if err == nil {
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return customerPoints, nil
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}
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if err != gorm.ErrRecordNotFound {
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return nil, err
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}
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// Create new customer points record
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newCustomerPoints := &entities.CustomerPoints{
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CustomerID: customerID,
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Balance: 0,
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}
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err = r.Create(ctx, newCustomerPoints)
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if err != nil {
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return nil, err
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}
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return newCustomerPoints, nil
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}
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