52 lines
1.0 KiB
Swift
52 lines
1.0 KiB
Swift
//
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// NSManagedObjectContext+Conveniences.swift
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// Delta
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//
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// Created by Riley Testut on 2/8/16.
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// Copyright © 2016 Riley Testut. All rights reserved.
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//
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import CoreData
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extension NSManagedObjectContext
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{
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// MARK: - Saving -
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func saveWithErrorLogging()
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{
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do
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{
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try self.save()
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}
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catch let error as NSError
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{
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print("Error saving NSManagedObjectContext: ", error, error.userInfo)
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}
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}
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// MARK: - Perform -
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func performAndWait<T>(_ block: @escaping () -> T) -> T
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{
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var result: T! = nil
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self.performAndWait {
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result = block()
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}
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return result
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}
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func performAndWait<T>(_ block: @escaping () throws -> T) throws -> T
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{
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var result: Result<T, Error>! = nil
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self.performAndWait {
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result = Result { try block() }
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}
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let value = try result.get()
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return value
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}
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}
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