73 lines
4.1 KiB
Swift
73 lines
4.1 KiB
Swift
//
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// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import PromiseKit
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import UIKit
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public class GroupViewUtils {
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public static func formatGroupMembersLabel(memberCount: Int) -> String {
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guard memberCount > 0 else {
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return NSLocalizedString("GROUP_MEMBER_COUNT_LABEL_0",
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comment: "The 'group member count' indicator when there are no members in the group.")
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}
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guard memberCount != 1 else {
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return NSLocalizedString("GROUP_MEMBER_COUNT_LABEL_1",
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comment: "The 'group member count' indicator when there is 1 member in the group.")
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}
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let format = NSLocalizedString("GROUP_MEMBER_COUNT_LABEL_FORMAT",
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comment: "Format for the 'group member count' indicator. Embeds {the number of group members}.")
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return String(format: format, OWSFormat.formatInt(memberCount))
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}
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public static func updateGroupWithActivityIndicator<T>(fromViewController: UIViewController,
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updatePromiseBlock: @escaping () -> Promise<T>,
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completion: @escaping (T?) -> Void) {
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// GroupsV2 TODO: Should we allow cancel here?
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ModalActivityIndicatorViewController.present(fromViewController: fromViewController,
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canCancel: false) { modalActivityIndicator in
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firstly {
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updatePromiseBlock()
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}.done { (value: T) in
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modalActivityIndicator.dismiss {
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completion(value)
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}
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}.catch { error in
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switch error {
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case GroupsV2Error.redundantChange:
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// Treat GroupsV2Error.redundantChange as a success.
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modalActivityIndicator.dismiss {
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completion(nil)
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}
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default:
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owsFailDebug("Could not update group: \(error)")
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modalActivityIndicator.dismiss {
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GroupViewUtils.showUpdateErrorUI(error: error)
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}
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}
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}
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}
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}
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public class func showUpdateErrorUI(error: Error) {
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AssertIsOnMainThread()
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let showUpdateNetworkErrorUI = {
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OWSActionSheets.showActionSheet(title: NSLocalizedString("ERROR_NETWORK_FAILURE",
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comment: "Error indicating network connectivity problems."),
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message: NSLocalizedString("UPDATE_GROUP_FAILED_DUE_TO_NETWORK",
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comment: "Error indicating that a group could not be updated due to network connectivity problems."))
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}
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if error.isNetworkFailureOrTimeout {
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return showUpdateNetworkErrorUI()
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}
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OWSActionSheets.showActionSheet(title: NSLocalizedString("UPDATE_GROUP_FAILED",
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comment: "Error indicating that a group could not be updated."))
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}
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}
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