init

internal/models/inventory.go

@@ -0,0 +1,59 @@
+package models
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type Inventory struct {
+	ID           uuid.UUID
+	OutletID     uuid.UUID
+	ProductID    uuid.UUID
+	Quantity     int
+	ReorderLevel int
+	UpdatedAt    time.Time
+}
+
+type CreateInventoryRequest struct {
+	OutletID     uuid.UUID
+	ProductID    uuid.UUID
+	Quantity     int
+	ReorderLevel int
+}
+
+type UpdateInventoryRequest struct {
+	Quantity     *int
+	ReorderLevel *int
+}
+
+type InventoryAdjustmentRequest struct {
+	Delta  int
+	Reason string
+}
+
+type InventoryResponse struct {
+	ID           uuid.UUID
+	OutletID     uuid.UUID
+	ProductID    uuid.UUID
+	Quantity     int
+	ReorderLevel int
+	IsLowStock   bool
+	UpdatedAt    time.Time
+}
+
+func (i *Inventory) IsLowStock() bool {
+	return i.Quantity <= i.ReorderLevel
+}
+
+func (i *Inventory) CanFulfillOrder(requestedQuantity int) bool {
+	return i.Quantity >= requestedQuantity
+}
+
+func (i *Inventory) AdjustQuantity(delta int) int {
+	newQuantity := i.Quantity + delta
+	if newQuantity < 0 {
+		newQuantity = 0
+	}
+	return newQuantity
+}