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Add a possibility to delete downloaded media to free up storage
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12 changes: 12 additions & 0 deletions
12
ChatSecureCore/Classes/Model/Settings/OTRStorageUsageSetting.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| // | ||
| // Created by Vyacheslav Karpukhin on 20.02.20. | ||
| // Copyright (c) 2020 Chris Ballinger. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| open class OTRStorageUsageSetting : OTRViewSetting { | ||
| public override init!(title newTitle: String!, description newDescription: String!) { | ||
| super.init(title: newTitle, description: newDescription, viewControllerClass: OTRStorageUsageViewController.self) | ||
| } | ||
| } |
195 changes: 195 additions & 0 deletions
195
ChatSecureCore/Classes/View Controllers/OTRStorageUsageViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| // | ||
| // Created by Vyacheslav Karpukhin on 19.02.20. | ||
| // Copyright (c) 2020 Chris Ballinger. All rights reserved. | ||
| // | ||
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| import Foundation | ||
| import OTRAssets | ||
| import MBProgressHUD | ||
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| class OTRStorageUsageViewController : XLFormViewController { | ||
| private let ROOT_SECTION_TAG = "rootSection" | ||
| private let DELETE_ALL_TAG = "deleteAll" | ||
| private let NO_MEDIA_FOUND_TAG = "noMediaFound" | ||
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| private let connections = OTRDatabaseManager.shared.connections | ||
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| init() { | ||
| super.init(nibName: nil, bundle: nil) | ||
| self.form = self.formDescriptor() | ||
| } | ||
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| required public init!(coder aDecoder: NSCoder!) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| func formDescriptor() -> XLFormDescriptor { | ||
| let form = XLFormDescriptor(title: STORAGE_USAGE_TITLE()) | ||
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| let firstSection = XLFormSectionDescriptor() | ||
| firstSection.multivaluedTag = ROOT_SECTION_TAG | ||
| form.addFormSection(firstSection) | ||
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| let deleteAll = XLFormRowDescriptor(tag: DELETE_ALL_TAG, rowType: XLFormRowDescriptorTypeButton, title: STORAGE_USAGE_DELETE_ALL_BUTTON()) | ||
| deleteAll.action.formBlock = { row in | ||
| self.deselectFormRow(row) | ||
| self.deleteMedia() | ||
| } | ||
| firstSection.addFormRow(deleteAll) | ||
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| let noMediaFound = XLFormRowDescriptor(tag: NO_MEDIA_FOUND_TAG, rowType: XLFormRowDescriptorTypeText) | ||
| noMediaFound.value = STORAGE_USAGE_NO_MEDIA_FOUND() | ||
| noMediaFound.disabled = true | ||
| firstSection.addFormRow(noMediaFound) | ||
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| return form | ||
| } | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
| self.tableView.isEditing = false | ||
| DispatchQueue.global().async { | ||
| self.processAllMedia() | ||
| } | ||
| } | ||
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| private func processAllMedia() { | ||
| var empty = true | ||
| connections?.read.read { (transaction: YapDatabaseReadTransaction) in | ||
| transaction.enumerateKeysAndObjects(inCollection: OTRMediaItem.collection, using: { (key, object, stop) in | ||
| if let mediaItem = object as? OTRMediaItem { | ||
| let parentMessage = mediaItem.parentMessage(with: transaction) as? OTRBaseMessage | ||
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| if let threadOwner = parentMessage?.threadOwner(with: transaction), | ||
| let account = threadOwner.account(with: transaction) { | ||
| do { | ||
| let length = try OTRMediaFileManager.shared.dataLength(for: mediaItem, buddyUniqueId: threadOwner.threadIdentifier) | ||
| empty = false | ||
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| let section = sectionForAccount(account) | ||
| let row = rowForThreadOwner(threadOwner, section) | ||
| let value = row.value as? Int ?? 0 | ||
| row.value = value + length.intValue | ||
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| DispatchQueue.main.async { | ||
| self.updateFormRow(row) | ||
| } | ||
| } catch { | ||
| return | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| if let deleteAll = self.form.formRow(withTag: DELETE_ALL_TAG), | ||
| let noMediaFound = self.form.formRow(withTag: NO_MEDIA_FOUND_TAG){ | ||
| DispatchQueue.main.async { | ||
| deleteAll.hidden = empty | ||
| noMediaFound.hidden = !empty | ||
| } | ||
| } | ||
| } | ||
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| private func rowForThreadOwner(_ threadOwner: OTRThreadOwner, _ section: XLFormSectionDescriptor) -> XLFormRowDescriptor { | ||
| var row = self.form.formRow(withTag: threadOwner.threadIdentifier) | ||
| if row == nil { | ||
| row = XLFormRowDescriptor(tag: threadOwner.threadIdentifier, rowType: XLFormRowDescriptorTypeInfo, title: threadOwner.threadName) | ||
| row?.valueFormatter = ByteCountFormatter() | ||
| DispatchQueue.main.sync { | ||
| section.addFormRow(row!) | ||
| } | ||
| } | ||
| return row! | ||
| } | ||
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| private func sectionForAccount(_ account: OTRAccount) -> XLFormSectionDescriptor { | ||
| var section = (self.form.formSections as! [XLFormSectionDescriptor]).first { $0.title == account.displayName } | ||
| if section == nil { | ||
| section = XLFormSectionDescriptor.formSection(withTitle: account.displayName, sectionOptions: .canDelete) | ||
| DispatchQueue.main.sync { | ||
| self.form.addFormSection(section!) | ||
| } | ||
| } | ||
| return section! | ||
| } | ||
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| override func formRowHasBeenRemoved(_ formRow: XLFormRowDescriptor!, at indexPath: IndexPath!) { | ||
| super.formRowHasBeenRemoved(formRow, at: indexPath) | ||
| deleteMedia(formRow.tag) | ||
| } | ||
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| private func deleteMedia(_ threadIdentifier: String? = nil) { | ||
| DispatchQueue.main.async { [weak self] in | ||
| guard let strongSelf = self else { return } | ||
| MBProgressHUD.showAdded(to: strongSelf.view, animated: true) | ||
| } | ||
| connections?.write.asyncReadWrite { [weak self] (transaction: YapDatabaseReadWriteTransaction) in | ||
| guard let strongSelf = self else { return } | ||
| let mediaItemsToDelete = strongSelf.findItemsToDelete(transaction, threadIdentifier) | ||
| strongSelf.doDelete(transaction, mediaItemsToDelete) | ||
| DispatchQueue.global().async { | ||
| strongSelf.vacuumAndUpdateUI(deleteAll: threadIdentifier == nil) | ||
| } | ||
| } | ||
| } | ||
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| private func findItemsToDelete(_ transaction: YapDatabaseReadWriteTransaction, _ threadIdentifier: String?) -> [OTRMediaItem] { | ||
| var mediaItemsToDelete: [OTRMediaItem] = [] | ||
| transaction.enumerateKeysAndObjects(inCollection: OTRMediaItem.collection, using: { (key, object, stop) in | ||
| if let mediaItem = object as? OTRMediaItem { | ||
| let parentMessage = mediaItem.parentMessage(with: transaction) as? OTRBaseMessage | ||
| if threadIdentifier != nil, | ||
| let threadOwner = parentMessage?.threadOwner(with: transaction), | ||
| threadOwner.threadIdentifier != threadIdentifier { | ||
| return | ||
| } | ||
| if (parentMessage?.mediaItemUniqueId != nil) { | ||
| mediaItemsToDelete.append(mediaItem) | ||
| } | ||
| } | ||
| }) | ||
| return mediaItemsToDelete | ||
| } | ||
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| private func doDelete(_ transaction: YapDatabaseReadWriteTransaction, _ mediaItemsToDelete: [OTRMediaItem]) { | ||
| mediaItemsToDelete.forEach { mediaItem in | ||
| if let parentMessage = mediaItem.parentMessage(with: transaction) as? OTRBaseMessage, | ||
| let threadOwner = parentMessage.threadOwner(with: transaction) { | ||
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| mediaItem.remove(with: transaction) | ||
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| let media = OTRMediaItem.incomingItem(withFilename: mediaItem.filename, mimeType: nil) | ||
| media.parentObjectKey = parentMessage.uniqueId | ||
| media.parentObjectCollection = parentMessage.messageCollection | ||
| media.save(with: transaction) | ||
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| parentMessage.mediaItemUniqueId = media.uniqueId | ||
| parentMessage.messageError = FileTransferError.automaticDownloadsDisabled | ||
| parentMessage.save(with: transaction) | ||
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| OTRMediaFileManager.shared.deleteData(for: mediaItem, | ||
| buddyUniqueId: threadOwner.threadIdentifier, completion: nil, completionQueue: nil) | ||
| } | ||
| } | ||
| } | ||
|
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| private func vacuumAndUpdateUI(deleteAll: Bool) { | ||
| OTRMediaFileManager.shared.vacuum { [weak self] in | ||
| guard let strongSelf = self else { return } | ||
| if deleteAll { | ||
| strongSelf.form.formSections.forEach { | ||
| let element = $0 as! XLFormSectionDescriptor | ||
| if element.multivaluedTag != strongSelf.ROOT_SECTION_TAG { | ||
| strongSelf.form.removeFormSection(element) | ||
| } | ||
| } | ||
| if let deleteAll = strongSelf.form.formRow(withTag: strongSelf.DELETE_ALL_TAG), | ||
| let noMediaFound = strongSelf.form.formRow(withTag: strongSelf.NO_MEDIA_FOUND_TAG){ | ||
| deleteAll.hidden = true | ||
| noMediaFound.hidden = false | ||
| } | ||
| } | ||
| MBProgressHUD.hide(for: strongSelf.view, animated: true) | ||
| } | ||
| } | ||
| } |
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OTRResources/Localizations/Base.lproj/Localizable.strings
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