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solve core data conflict caused by updating password entity image

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Bob Sun 2017-02-16 13:24:41 +08:00
parent f1b14d794d
commit 83b9762122
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GPG key ID: 1F86BA2052FED3B4
2 changed files with 26 additions and 1 deletions
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4
pass/Controllers/PasswordDetailTableViewController.swift
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@ -178,7 +178,9 @@ class PasswordDetailTableViewController: UITableViewController, UIGestureRecogni
self?.passwordImage = image
self?.tableView.reloadRows(at: [indexPath], with: UITableViewRowAnimation.automatic)
let imageData = UIImageJPEGRepresentation(image, 1)
self?.passwordEntity?.setValue(imageData, forKey: "image")
if let entity = self?.passwordEntity {
PasswordStore.shared.updateImage(passwordEntity: entity, image: imageData)
}
case .failure(let error):
print(error)
}

23
pass/Models/PasswordStore.swift
View file

@ -364,6 +364,29 @@ class PasswordStore {
}
}
func updateImage(passwordEntity: PasswordEntity, image: Data?) {
if image == nil {
return
}
let privateMOC = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)
privateMOC.parent = context
privateMOC.perform {
passwordEntity.image = NSData(data: image!)
do {
try privateMOC.save()
self.context.performAndWait {
do {
try self.context.save()
} catch {
fatalError("Failure to save context: \(error)")
}
}
} catch {
fatalError("Failure to save context: \(error)")
}
}
}
func erase() {
Utils.removeFileIfExists(at: storeURL)
Utils.removeFileIfExists(at: tempStoreURL)