init

internal/transformer/inventory_transformer.go

@@ -0,0 +1,74 @@
+package transformer
+
+import (
+	"apskel-pos-be/internal/contract"
+	"apskel-pos-be/internal/models"
+	"time"
+)
+
+func CreateInventoryRequestToModel(req *contract.CreateInventoryRequest) *models.CreateInventoryRequest {
+	return &models.CreateInventoryRequest{
+		OutletID:     req.OutletID,
+		ProductID:    req.ProductID,
+		Quantity:     req.Quantity,
+		ReorderLevel: req.ReorderLevel,
+	}
+}
+
+func UpdateInventoryRequestToModel(req *contract.UpdateInventoryRequest) *models.UpdateInventoryRequest {
+	return &models.UpdateInventoryRequest{
+		Quantity:     req.Quantity,
+		ReorderLevel: req.ReorderLevel,
+	}
+}
+
+func AdjustInventoryRequestToModel(req *contract.AdjustInventoryRequest) *models.InventoryAdjustmentRequest {
+	return &models.InventoryAdjustmentRequest{
+		Delta:  req.Delta,
+		Reason: req.Reason,
+	}
+}
+
+// Model to Contract conversions
+func InventoryModelResponseToResponse(inv *models.InventoryResponse) *contract.InventoryResponse {
+	if inv == nil {
+		return nil
+	}
+
+	return &contract.InventoryResponse{
+		ID:           inv.ID,
+		OutletID:     inv.OutletID,
+		ProductID:    inv.ProductID,
+		Quantity:     inv.Quantity,
+		ReorderLevel: inv.ReorderLevel,
+		IsLowStock:   inv.IsLowStock,
+		UpdatedAt:    inv.UpdatedAt,
+	}
+}
+
+func InventoryAdjustmentToResponse(
+	inventoryID, productID, outletID string,
+	previousQty, newQty, delta int,
+	reason string,
+) *contract.InventoryAdjustmentResponse {
+	// This would need proper UUID parsing in a real implementation
+	return &contract.InventoryAdjustmentResponse{
+		PreviousQty: previousQty,
+		NewQty:      newQty,
+		Delta:       delta,
+		Reason:      reason,
+		AdjustedAt:  time.Now(),
+	}
+}
+
+// Slice conversions
+func InventoryToResponses(inventory []models.InventoryResponse) []contract.InventoryResponse {
+	responses := make([]contract.InventoryResponse, len(inventory))
+	for i, inv := range inventory {
+		response := InventoryModelResponseToResponse(&inv)
+		if response != nil {
+			responses[i] = *response
+		}
+	}
+	return responses
+}