Operations: simplify AsyncOperation, remove advanced features

1 files changed, 0 insertions, 103 deletions

diff --git a/ios/MullvadVPN/Operations/InputOperation.swift b/ios/MullvadVPN/Operations/InputOperation.swift
deleted file mode 100644
index a1c9d6931d..0000000000
--- a/ios/MullvadVPN/Operations/InputOperation.swift
+++ /dev/null
@@ -1,103 +0,0 @@
-//
-//  InputOperation.swift
-//  MullvadVPN
-//
-//  Created by pronebird on 06/07/2020.
-//  Copyright © 2020 Mullvad VPN AB. All rights reserved.
-//
-
-import Foundation
-
-protocol InputOperation: OperationProtocol {
-    associatedtype Input
-
-    /// When overriding `input` in Subclasses, make sure to call `operationDidSetInput`
-    var input: Input? { get set }
-
-    func operationDidSetInput(_ input: Input?)
-}
-
-private var kInputOperationAssociatedValue = 0
-extension InputOperation where Self: OperationSubclassing {
-    var input: Input? {
-        get {
-            return synchronized {
-                return AssociatedValue.get(object: self, key: &kInputOperationAssociatedValue)
-            }
-        }
-        set {
-            synchronized {
-                AssociatedValue.set(object: self, key: &kInputOperationAssociatedValue, value: newValue)
-
-                operationDidSetInput(newValue)
-            }
-        }
-    }
-
-    func operationDidSetInput(_ input: Input?) {
-        // Override in subclasses
-    }
-}
-
-extension InputOperation {
-
-    @discardableResult func inject<Dependency>(from dependency: Dependency, via block: @escaping (Dependency.Output) -> Input?) -> Self
-        where Dependency: OutputOperation
-    {
-        let observer = OperationBlockObserver<Dependency>(willFinish: { [weak self] (operation) in
-            guard let self = self else { return }
-
-            if let output = operation.output {
-                self.input = block(output)
-            }
-        })
-        dependency.addObserver(observer)
-        addDependency(dependency)
-
-        return self
-    }
-
-    @discardableResult func injectResult<Dependency>(from dependency: Dependency) -> Self
-        where Dependency: OutputOperation, Dependency.Output == Input?
-    {
-        return self.inject(from: dependency, via: { $0 })
-    }
-
-    /// Inject input from operation that outputs `Result<Input, Failure>`
-    @discardableResult func injectResult<Dependency, Failure>(from dependency: Dependency) -> Self
-        where Dependency: OutputOperation, Failure: Error, Dependency.Output == Result<Input, Failure>
-    {
-        return self.inject(from: dependency) { (output) -> Input? in
-            switch output {
-            case .success(let value):
-                return value
-            case .failure:
-                return nil
-            }
-        }
-    }
-
-    /// Inject input from operation that outputs `Result<Input, Never>`
-    @discardableResult func injectResult<Dependency>(from dependency: Dependency) -> Self
-        where Dependency: OutputOperation, Dependency.Output == Result<Input, Never>
-    {
-        return self.inject(from: dependency) { (output) -> Input? in
-            switch output {
-            case .success(let value):
-                return value
-            }
-        }
-    }
-
-    /// Inject input from operation that outputs `Result<Input?, Never>`
-    @discardableResult func injectResult<Dependency>(from dependency: Dependency) -> Self
-        where Dependency: OutputOperation, Dependency.Output == Result<Input?, Never>
-    {
-        return self.inject(from: dependency) { (output) -> Input? in
-            switch output {
-            case .success(let value):
-                return value
-            }
-        }
-    }
-}