update order status

2025-08-13 23:36:31 +07:00
parent ccb0458189
commit ee7d0e529b
9 changed files with 846 additions and 35 deletions
@@ -4,8 +4,10 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"time"

 	"apskel-pos-be/internal/entities"
+	"apskel-pos-be/internal/models"

 	"github.com/google/uuid"
 	"gorm.io/gorm"
@@ -31,6 +33,8 @@ type InventoryRepository interface {
 	BulkUpdate(ctx context.Context, inventoryItems []*entities.Inventory) error
 	BulkAdjustQuantity(ctx context.Context, adjustments map[uuid.UUID]int, outletID uuid.UUID) error
 	GetTotalValueByOutlet(ctx context.Context, outletID uuid.UUID) (float64, error)
+	GetInventoryReportSummary(ctx context.Context, outletID uuid.UUID) (*models.InventoryReportSummary, error)
+	GetInventoryReportDetails(ctx context.Context, filter *models.InventoryReportFilter) (*models.InventoryReportDetail, error)
 }

 type InventoryRepositoryImpl struct {
@@ -281,7 +285,7 @@ func (r *InventoryRepositoryImpl) BulkUpdate(ctx context.Context, inventoryItems
 	if len(inventoryItems) == 0 {
 		return nil
 	}
-	
+
 	// Use GORM's transaction for bulk updates
 	return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
 		for _, inventory := range inventoryItems {
@@ -326,12 +330,295 @@ func (r *InventoryRepositoryImpl) BulkAdjustQuantity(ctx context.Context, adjust

 func (r *InventoryRepositoryImpl) GetTotalValueByOutlet(ctx context.Context, outletID uuid.UUID) (float64, error) {
 	var totalValue float64
-	err := r.db.WithContext(ctx).
+	if err := r.db.WithContext(ctx).
 		Table("inventory").
 		Select("SUM(inventory.quantity * products.cost)").
 		Joins("JOIN products ON inventory.product_id = products.id").
 		Where("inventory.outlet_id = ?", outletID).
-		Scan(&totalValue).Error
+		Scan(&totalValue).Error; err != nil {
+		return 0, fmt.Errorf("failed to get total value: %w", err)
+	}

-	return totalValue, err
+	return totalValue, nil
+}
+
+// GetInventoryReportSummary returns summary statistics for inventory report
+func (r *InventoryRepositoryImpl) GetInventoryReportSummary(ctx context.Context, outletID uuid.UUID) (*models.InventoryReportSummary, error) {
+	var summary models.InventoryReportSummary
+	summary.OutletID = outletID
+	summary.GeneratedAt = time.Now()
+
+	// Get outlet name
+	var outlet entities.Outlet
+	if err := r.db.WithContext(ctx).Select("name").First(&outlet, "id = ?", outletID).Error; err != nil {
+		return nil, fmt.Errorf("failed to get outlet name: %w", err)
+	}
+	summary.OutletName = outlet.Name
+
+	// Get total products count
+	var totalProducts int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN products ON inventory.product_id = products.id").
+		Where("inventory.outlet_id = ? AND products.has_ingredients = false", outletID).
+		Count(&totalProducts).Error; err != nil {
+		return nil, fmt.Errorf("failed to count total products: %w", err)
+	}
+	summary.TotalProducts = int(totalProducts)
+
+	// Get total ingredients count
+	var totalIngredients int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN ingredients ON inventory.product_id = ingredients.id").
+		Where("inventory.outlet_id = ?", outletID).
+		Count(&totalIngredients).Error; err != nil {
+		return nil, fmt.Errorf("failed to count total ingredients: %w", err)
+	}
+	summary.TotalIngredients = int(totalIngredients)
+
+	// Get low stock products count
+	var lowStockProducts int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN products ON inventory.product_id = products.id").
+		Where("inventory.outlet_id = ? AND products.has_ingredients = false AND inventory.quantity <= inventory.reorder_level AND inventory.quantity > 0", outletID).
+		Count(&lowStockProducts).Error; err != nil {
+		return nil, fmt.Errorf("failed to count low stock products: %w", err)
+	}
+	summary.LowStockProducts = int(lowStockProducts)
+
+	// Get low stock ingredients count
+	var lowStockIngredients int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN ingredients ON inventory.product_id = ingredients.id").
+		Where("inventory.outlet_id = ? AND inventory.quantity <= inventory.reorder_level AND inventory.quantity > 0", outletID).
+		Count(&lowStockIngredients).Error; err != nil {
+		return nil, fmt.Errorf("failed to count low stock ingredients: %w", err)
+	}
+	summary.LowStockIngredients = int(lowStockIngredients)
+
+	// Get zero stock products count
+	var zeroStockProducts int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN products ON inventory.product_id = products.id").
+		Where("inventory.outlet_id = ? AND products.has_ingredients = false AND inventory.quantity = 0", outletID).
+		Count(&zeroStockProducts).Error; err != nil {
+		return nil, fmt.Errorf("failed to count zero stock products: %w", err)
+	}
+	summary.ZeroStockProducts = int(zeroStockProducts)
+
+	// Get zero stock ingredients count
+	var zeroStockIngredients int64
+	if err := r.db.WithContext(ctx).Model(&entities.Inventory{}).
+		Joins("JOIN ingredients ON inventory.product_id = ingredients.id").
+		Where("inventory.outlet_id = ? AND inventory.quantity = 0", outletID).
+		Count(&zeroStockIngredients).Error; err != nil {
+		return nil, fmt.Errorf("failed to count zero stock ingredients: %w", err)
+	}
+	summary.ZeroStockIngredients = int(zeroStockIngredients)
+
+	// Get total value
+	totalValue, err := r.GetTotalValueByOutlet(ctx, outletID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get total value: %w", err)
+	}
+	summary.TotalValue = totalValue
+
+	return &summary, nil
+}
+
+// GetInventoryReportDetails returns detailed inventory report with products and ingredients
+func (r *InventoryRepositoryImpl) GetInventoryReportDetails(ctx context.Context, filter *models.InventoryReportFilter) (*models.InventoryReportDetail, error) {
+	report := &models.InventoryReportDetail{}
+
+	// Get summary
+	if filter.OutletID != nil {
+		summary, err := r.GetInventoryReportSummary(ctx, *filter.OutletID)
+		if err != nil {
+			return nil, fmt.Errorf("failed to get report summary: %w", err)
+		}
+		report.Summary = summary
+	}
+
+	// Get products details
+	products, err := r.getInventoryProductsDetails(ctx, filter)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get products details: %w", err)
+	}
+	report.Products = products
+
+	// Get ingredients details
+	ingredients, err := r.getInventoryIngredientsDetails(ctx, filter)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get ingredients details: %w", err)
+	}
+	report.Ingredients = ingredients
+
+	return report, nil
+}
+
+// getInventoryProductsDetails retrieves detailed product inventory information
+func (r *InventoryRepositoryImpl) getInventoryProductsDetails(ctx context.Context, filter *models.InventoryReportFilter) ([]*models.InventoryProductDetail, error) {
+	query := r.db.WithContext(ctx).Table("inventory").
+		Select(`
+			inventory.id,
+			inventory.product_id,
+			products.name as product_name,
+			categories.name as category_name,
+			inventory.quantity,
+			inventory.reorder_level,
+			COALESCE(product_variants.cost, products.cost) as unit_cost,
+			(COALESCE(product_variants.cost, products.cost) * inventory.quantity) as total_value,
+			inventory.updated_at
+		`).
+		Joins("JOIN products ON inventory.product_id = products.id").
+		Joins("LEFT JOIN categories ON products.category_id = categories.id").
+		Joins("LEFT JOIN product_variants ON products.id = product_variants.product_id").
+		Where("inventory.outlet_id = ? AND products.has_ingredients = false", filter.OutletID)
+
+	// Apply filters
+	if filter.CategoryID != nil {
+		query = query.Where("products.category_id = ?", *filter.CategoryID)
+	}
+	if filter.ShowLowStock != nil && *filter.ShowLowStock {
+		query = query.Where("inventory.quantity <= inventory.reorder_level AND inventory.quantity > 0")
+	}
+	if filter.ShowZeroStock != nil && *filter.ShowZeroStock {
+		query = query.Where("inventory.quantity = 0")
+	}
+	if filter.Search != nil && *filter.Search != "" {
+		searchTerm := "%" + *filter.Search + "%"
+		query = query.Where("products.name ILIKE ? OR categories.name ILIKE ?", searchTerm, searchTerm)
+	}
+
+	// Apply pagination
+	if filter.Limit != nil {
+		query = query.Limit(*filter.Limit)
+	}
+	if filter.Offset != nil {
+		query = query.Offset(*filter.Offset)
+	}
+
+	query = query.Order("products.name ASC")
+
+	var results []struct {
+		ID           uuid.UUID
+		ProductID    uuid.UUID
+		ProductName  string
+		CategoryName *string
+		Quantity     int
+		ReorderLevel int
+		UnitCost     float64
+		TotalValue   float64
+		UpdatedAt    time.Time
+	}
+
+	if err := query.Find(&results).Error; err != nil {
+		return nil, err
+	}
+
+	var products []*models.InventoryProductDetail
+	for _, result := range results {
+		categoryName := ""
+		if result.CategoryName != nil {
+			categoryName = *result.CategoryName
+		}
+
+		product := &models.InventoryProductDetail{
+			ID:           result.ID,
+			ProductID:    result.ProductID,
+			ProductName:  result.ProductName,
+			CategoryName: categoryName,
+			Quantity:     result.Quantity,
+			ReorderLevel: result.ReorderLevel,
+			UnitCost:     result.UnitCost,
+			TotalValue:   result.TotalValue,
+			IsLowStock:   result.Quantity <= result.ReorderLevel && result.Quantity > 0,
+			IsZeroStock:  result.Quantity == 0,
+			UpdatedAt:    result.UpdatedAt,
+		}
+		products = append(products, product)
+	}
+
+	return products, nil
+}
+
+// getInventoryIngredientsDetails retrieves detailed ingredient inventory information
+func (r *InventoryRepositoryImpl) getInventoryIngredientsDetails(ctx context.Context, filter *models.InventoryReportFilter) ([]*models.InventoryIngredientDetail, error) {
+	query := r.db.WithContext(ctx).Table("inventory").
+		Select(`
+			inventory.id,
+			inventory.product_id as ingredient_id,
+			ingredients.name as ingredient_name,
+			units.name as unit_name,
+			inventory.quantity,
+			inventory.reorder_level,
+			ingredients.cost as unit_cost,
+			(ingredients.cost * inventory.quantity) as total_value,
+			inventory.updated_at
+		`).
+		Joins("JOIN ingredients ON inventory.product_id = ingredients.id").
+		Joins("LEFT JOIN units ON ingredients.unit_id = units.id").
+		Where("inventory.outlet_id = ?", filter.OutletID)
+
+	// Apply filters
+	if filter.ShowLowStock != nil && *filter.ShowLowStock {
+		query = query.Where("inventory.quantity <= inventory.reorder_level AND inventory.quantity > 0")
+	}
+	if filter.ShowZeroStock != nil && *filter.ShowZeroStock {
+		query = query.Where("inventory.quantity = 0")
+	}
+	if filter.Search != nil && *filter.Search != "" {
+		searchTerm := "%" + *filter.Search + "%"
+		query = query.Where("ingredients.name ILIKE ? OR units.name ILIKE ?", searchTerm, searchTerm)
+	}
+
+	// Apply pagination
+	if filter.Limit != nil {
+		query = query.Limit(*filter.Limit)
+	}
+	if filter.Offset != nil {
+		query = query.Offset(*filter.Offset)
+	}
+
+	query = query.Order("ingredients.name ASC")
+
+	var results []struct {
+		ID             uuid.UUID
+		IngredientID   uuid.UUID
+		IngredientName string
+		UnitName       *string
+		Quantity       int
+		ReorderLevel   int
+		UnitCost       float64
+		TotalValue     float64
+		UpdatedAt      time.Time
+	}
+
+	if err := query.Find(&results).Error; err != nil {
+		return nil, err
+	}
+
+	var ingredients []*models.InventoryIngredientDetail
+	for _, result := range results {
+		unitName := ""
+		if result.UnitName != nil {
+			unitName = *result.UnitName
+		}
+
+		ingredient := &models.InventoryIngredientDetail{
+			ID:             result.ID,
+			IngredientID:   result.IngredientID,
+			IngredientName: result.IngredientName,
+			UnitName:       unitName,
+			Quantity:       result.Quantity,
+			ReorderLevel:   result.ReorderLevel,
+			UnitCost:       result.UnitCost,
+			TotalValue:     result.TotalValue,
+			IsLowStock:     result.Quantity <= result.ReorderLevel && result.Quantity > 0,
+			IsZeroStock:    result.Quantity == 0,
+			UpdatedAt:      result.UpdatedAt,
+		}
+		ingredients = append(ingredients, ingredient)
+	}
+
+	return ingredients, nil
 }