new Order()
Class representing a customer order. Implements the Strategy Pattern for shipping cost calculation.
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Classes
Methods
addItem(item)
Adds an item to the order list.
Parameters:
| Name | Type | Description |
|---|---|---|
item |
Object | The item to add (expected to have price and quantity properties). |
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calculateTotal() → {number}
Calculates the total cost of the order items.
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Returns:
The sum of all items (price * quantity).
- Type
- number
calculateTotalWithShipping() → {number}
Calculates the total cost including shipping. Uses the currently selected shipping strategy.
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Returns:
The final total price.
- Type
- number
getEstimatedDeliveryDate() → {string}
Calculates the estimated delivery date (Creation Date + 1 days). This method uses the external 'date-fns' library.
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Returns:
The estimated delivery date formatted as 'dd.MM.yyyy'.
- Type
- string
setShippingStrategy(strategy)
Sets the shipping strategy dynamically.
Parameters:
| Name | Type | Description |
|---|---|---|
strategy |
Object | A concrete implementation of the ShippingStrategy interface. |
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Example
order.setShippingStrategy(new NovaPoshtaStrategy());updateStatus(newStatus) → {boolean}
Updates the status of the order.
Parameters:
| Name | Type | Description |
|---|---|---|
newStatus |
string | The new status ('pending', 'shipped', or 'delivered'). |
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Returns:
True if the status was updated successfully.
- Type
- boolean