Created
May 3, 2020 17:20
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iOS Dependecy Injection Swinject Ricardo respose
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struct Order { | |
var itemPrices: [Int] | |
} | |
protocol OrderValidator { | |
func hasMinimumSpend(order: Order) -> Bool | |
} | |
class OrderViewModel { | |
// add callback closure for state update | |
var didUpdate: (() -> ())? | |
var isPayButtonEnabled: Bool { | |
get { | |
return self.validator.hasMinimumSpend(order: self.order) | |
} | |
} | |
// Instance state | |
private var order: Order = Order(itemPrices: []) | |
// Instance dependency | |
private let validator: OrderValidator | |
init(validator: OrderValidator) { | |
self.validator = validator | |
} | |
func add(itemPriced: Int) { | |
self.order.itemPrices.append(itemPriced) | |
self.didUpdate?() | |
} | |
} |
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