Revert "feat(loyalty): EnakPoint & EnakCoin" (#32)

This reverts merge commit 645da30, returning main to f0ff59f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/repository/customer_points_repository.go

@@ -0,0 +1,97 @@
+package repository
+
+import (
+	"context"
+	"fmt"
+
+	"apskel-pos-be/internal/entities"
+
+	"gorm.io/gorm"
+)
+
+type CustomerPointsRepository interface {
+	GetCustomerTotalPoints(ctx context.Context, customerID string) (int64, error)
+	GetCustomerTotalTokens(ctx context.Context, customerID string) (int64, error)
+	GetCustomerPointsHistory(ctx context.Context, customerID string, limit int) ([]entities.CustomerPoints, error)
+	GetCustomerTokensHistory(ctx context.Context, customerID string, limit int) ([]entities.CustomerTokens, error)
+}
+
+type customerPointsRepository struct {
+	db *gorm.DB
+}
+
+func NewCustomerPointsRepository(db *gorm.DB) CustomerPointsRepository {
+	return &customerPointsRepository{
+		db: db,
+	}
+}
+
+func (r *customerPointsRepository) GetCustomerTotalPoints(ctx context.Context, customerID string) (int64, error) {
+	var totalPoints int64
+
+	err := r.db.WithContext(ctx).
+		Model(&entities.CustomerPoints{}).
+		Where("customer_id = ?", customerID).
+		Select("COALESCE(SUM(balance), 0)").
+		Scan(&totalPoints).Error
+
+	if err != nil {
+		return 0, fmt.Errorf("failed to get customer total points: %w", err)
+	}
+
+	return totalPoints, nil
+}
+
+func (r *customerPointsRepository) GetCustomerTotalTokens(ctx context.Context, customerID string) (int64, error) {
+	var totalTokens int64
+
+	err := r.db.WithContext(ctx).
+		Model(&entities.CustomerTokens{}).
+		Where("customer_id = ?", customerID).
+		Select("COALESCE(SUM(balance), 0)").
+		Scan(&totalTokens).Error
+
+	if err != nil {
+		return 0, fmt.Errorf("failed to get customer total tokens: %w", err)
+	}
+
+	return totalTokens, nil
+}
+
+func (r *customerPointsRepository) GetCustomerPointsHistory(ctx context.Context, customerID string, limit int) ([]entities.CustomerPoints, error) {
+	var pointsHistory []entities.CustomerPoints
+
+	query := r.db.WithContext(ctx).
+		Where("customer_id = ?", customerID).
+		Order("created_at DESC")
+
+	if limit > 0 {
+		query = query.Limit(limit)
+	}
+
+	err := query.Find(&pointsHistory).Error
+	if err != nil {
+		return nil, fmt.Errorf("failed to get customer points history: %w", err)
+	}
+
+	return pointsHistory, nil
+}
+
+func (r *customerPointsRepository) GetCustomerTokensHistory(ctx context.Context, customerID string, limit int) ([]entities.CustomerTokens, error) {
+	var tokensHistory []entities.CustomerTokens
+
+	query := r.db.WithContext(ctx).
+		Where("customer_id = ?", customerID).
+		Order("created_at DESC")
+
+	if limit > 0 {
+		query = query.Limit(limit)
+	}
+
+	err := query.Find(&tokensHistory).Error
+	if err != nil {
+		return nil, fmt.Errorf("failed to get customer tokens history: %w", err)
+	}
+
+	return tokensHistory, nil
+}