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session-ios/SignalMessaging/utils/BlockListUIUtils.m

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//
// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
//
#import "BlockListUIUtils.h"
#import "OWSContactsManager.h"
#import "PhoneNumber.h"
#import <SignalMessaging/SignalMessaging-Swift.h>
#import <SessionServiceKit/Contact.h>
#import <SessionServiceKit/OWSBlockingManager.h>
#import <SessionServiceKit/SignalAccount.h>
#import <SessionServiceKit/TSAccountManager.h>
#import <SessionServiceKit/TSGroupThread.h>
NS_ASSUME_NONNULL_BEGIN
typedef void (^BlockAlertCompletionBlock)(UIAlertAction *action);
@implementation BlockListUIUtils
#pragma mark - Block
+ (void)showBlockThreadActionSheet:(TSThread *)thread
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
messageSender:(OWSMessageSender *)messageSender
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
if ([thread isKindOfClass:[TSContactThread class]]) {
TSContactThread *contactThread = (TSContactThread *)thread;
[self showBlockPhoneNumberActionSheet:contactThread.contactIdentifier
fromViewController:fromViewController
blockingManager:blockingManager
contactsManager:contactsManager
completionBlock:completionBlock];
} else if ([thread isKindOfClass:[TSGroupThread class]]) {
TSGroupThread *groupThread = (TSGroupThread *)thread;
[self showBlockGroupActionSheet:groupThread
fromViewController:fromViewController
blockingManager:blockingManager
messageSender:messageSender
completionBlock:completionBlock];
} else {
OWSFailDebug(@"unexpected thread type: %@", thread.class);
}
}
+ (void)showBlockPhoneNumberActionSheet:(NSString *)phoneNumber
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
NSString *displayName = [contactsManager displayNameForPhoneIdentifier:phoneNumber];
[self showBlockPhoneNumbersActionSheet:@[ phoneNumber ]
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:completionBlock];
}
+ (void)showBlockSignalAccountActionSheet:(SignalAccount *)signalAccount
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
NSString *displayName = [contactsManager displayNameForSignalAccount:signalAccount];
[self showBlockPhoneNumbersActionSheet:@[ signalAccount.recipientId ]
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:completionBlock];
}
+ (void)showBlockPhoneNumbersActionSheet:(NSArray<NSString *> *)phoneNumbers
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
OWSAssertDebug(phoneNumbers.count > 0);
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
NSString *localContactId = [TSAccountManager localNumber];
OWSAssertDebug(localContactId.length > 0);
for (NSString *phoneNumber in phoneNumbers) {
OWSAssertDebug(phoneNumber.length > 0);
if ([localContactId isEqualToString:phoneNumber]) {
[self showOkAlertWithTitle:NSLocalizedString(@"BLOCK_LIST_VIEW_CANT_BLOCK_SELF_ALERT_TITLE",
@"The title of the 'You can't block yourself' alert.")
message:NSLocalizedString(@"BLOCK_LIST_VIEW_CANT_BLOCK_SELF_ALERT_MESSAGE",
@"The message of the 'You can't block yourself' alert.")
fromViewController:fromViewController
completionBlock:^(UIAlertAction *action) {
if (completionBlock) {
completionBlock(NO);
}
}];
return;
}
}
NSString *title = [NSString stringWithFormat:NSLocalizedString(@"BLOCK_LIST_BLOCK_USER_TITLE_FORMAT",
@"A format for the 'block user' action sheet title. Embeds {{the "
@"blocked user's name or phone number}}."),
[self formatDisplayNameForAlertTitle:displayName]];
UIAlertController *actionSheet =
[UIAlertController alertControllerWithTitle:title
message:NSLocalizedString(@"BLOCK_USER_BEHAVIOR_EXPLANATION",
@"An explanation of the consequences of blocking another user.")
preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *blockAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"BLOCK_LIST_BLOCK_BUTTON", @"Button label for the 'block' button")
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"block")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *_Nonnull action) {
[self blockPhoneNumbers:phoneNumbers
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:^(UIAlertAction *ignore) {
if (completionBlock) {
completionBlock(YES);
}
}];
}];
[actionSheet addAction:blockAction];
UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:CommonStrings.cancelButton
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"dismiss")
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *_Nonnull action) {
if (completionBlock) {
completionBlock(NO);
}
}];
[actionSheet addAction:dismissAction];
[fromViewController presentAlert:actionSheet];
}
+ (void)showBlockGroupActionSheet:(TSGroupThread *)groupThread
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
messageSender:(OWSMessageSender *)messageSender
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
OWSAssertDebug(groupThread);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
NSString *groupName = groupThread.name.length > 0 ? groupThread.name : TSGroupThread.defaultGroupName;
NSString *title = [NSString
stringWithFormat:NSLocalizedString(@"BLOCK_LIST_BLOCK_GROUP_TITLE_FORMAT",
@"A format for the 'block group' action sheet title. Embeds the {{group name}}."),
[self formatDisplayNameForAlertTitle:groupName]];
UIAlertController *actionSheet =
[UIAlertController alertControllerWithTitle:title
message:NSLocalizedString(@"BLOCK_GROUP_BEHAVIOR_EXPLANATION",
@"An explanation of the consequences of blocking a group.")
preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *blockAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"BLOCK_LIST_BLOCK_BUTTON", @"Button label for the 'block' button")
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"block")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *_Nonnull action) {
[self blockGroup:groupThread
fromViewController:fromViewController
blockingManager:blockingManager
messageSender:messageSender
completionBlock:^(UIAlertAction *ignore) {
if (completionBlock) {
completionBlock(YES);
}
}];
}];
[actionSheet addAction:blockAction];
UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:CommonStrings.cancelButton
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"dismiss")
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *_Nonnull action) {
if (completionBlock) {
completionBlock(NO);
}
}];
[actionSheet addAction:dismissAction];
[fromViewController presentAlert:actionSheet];
}
+ (void)blockPhoneNumbers:(NSArray<NSString *> *)phoneNumbers
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(BlockAlertCompletionBlock)completionBlock
{
OWSAssertDebug(phoneNumbers.count > 0);
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
for (NSString *phoneNumber in phoneNumbers) {
OWSAssertDebug(phoneNumber.length > 0);
[blockingManager addBlockedPhoneNumber:phoneNumber];
}
[self showOkAlertWithTitle:NSLocalizedString(
@"BLOCK_LIST_VIEW_BLOCKED_ALERT_TITLE", @"The title of the 'user blocked' alert.")
message:[NSString
stringWithFormat:NSLocalizedString(@"BLOCK_LIST_VIEW_BLOCKED_ALERT_MESSAGE_FORMAT",
@"The message format of the 'conversation blocked' alert. "
@"Embeds the {{conversation title}}."),
[self formatDisplayNameForAlertMessage:displayName]]
fromViewController:fromViewController
completionBlock:completionBlock];
}
+ (void)blockGroup:(TSGroupThread *)groupThread
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
messageSender:(OWSMessageSender *)messageSender
completionBlock:(BlockAlertCompletionBlock)completionBlock
{
OWSAssertDebug(groupThread);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
// block the group regardless of the ability to deliver the "leave group" message.
[blockingManager addBlockedGroup:groupThread.groupModel];
// blockingManager.addBlocked* creates sneaky transactions, so we can't pass in a transaction
// via params and instead have to create our own sneaky transaction here.
[groupThread leaveGroupWithSneakyTransaction];
[ThreadUtil enqueueLeaveGroupMessageInThread:groupThread];
NSString *groupName = groupThread.name.length > 0 ? groupThread.name : TSGroupThread.defaultGroupName;
NSString *alertTitle
= NSLocalizedString(@"BLOCK_LIST_VIEW_BLOCKED_GROUP_ALERT_TITLE", @"The title of the 'group blocked' alert.");
NSString *alertBodyFormat = NSLocalizedString(@"BLOCK_LIST_VIEW_BLOCKED_ALERT_MESSAGE_FORMAT",
@"The message format of the 'conversation blocked' alert. Embeds the {{conversation title}}.");
NSString *alertBody =
[NSString stringWithFormat:alertBodyFormat, [self formatDisplayNameForAlertMessage:groupName]];
[self showOkAlertWithTitle:alertTitle
message:alertBody
fromViewController:fromViewController
completionBlock:completionBlock];
}
#pragma mark - Unblock
+ (void)showUnblockThreadActionSheet:(TSThread *)thread
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
if ([thread isKindOfClass:[TSContactThread class]]) {
TSContactThread *contactThread = (TSContactThread *)thread;
[self showUnblockPhoneNumberActionSheet:contactThread.contactIdentifier
fromViewController:fromViewController
blockingManager:blockingManager
contactsManager:contactsManager
completionBlock:completionBlock];
} else if ([thread isKindOfClass:[TSGroupThread class]]) {
TSGroupThread *groupThread = (TSGroupThread *)thread;
NSString *groupName = groupThread.name.length > 0 ? groupThread.name : TSGroupThread.defaultGroupName;
[self showUnblockGroupActionSheet:groupThread.groupModel
displayName:groupName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:completionBlock];
} else {
OWSFailDebug(@"unexpected thread type: %@", thread.class);
}
}
+ (void)showUnblockPhoneNumberActionSheet:(NSString *)phoneNumber
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
NSString *displayName = [LKUserDisplayNameUtilities getPrivateChatDisplayNameFor:phoneNumber] ?: phoneNumber;
[self showUnblockPhoneNumbersActionSheet:@[ phoneNumber ]
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:completionBlock];
}
+ (void)showUnblockSignalAccountActionSheet:(SignalAccount *)signalAccount
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
contactsManager:(OWSContactsManager *)contactsManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
NSString *displayName = [contactsManager displayNameForSignalAccount:signalAccount];
[self showUnblockPhoneNumbersActionSheet:@[ signalAccount.recipientId ]
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:completionBlock];
}
+ (void)showUnblockPhoneNumbersActionSheet:(NSArray<NSString *> *)phoneNumbers
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
OWSAssertDebug(phoneNumbers.count > 0);
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
NSString *title = [NSString
stringWithFormat:
NSLocalizedString(@"BLOCK_LIST_UNBLOCK_TITLE_FORMAT",
@"A format for the 'unblock conversation' action sheet title. Embeds the {{conversation title}}."),
[self formatDisplayNameForAlertTitle:displayName]];
UIAlertController *actionSheet =
[UIAlertController alertControllerWithTitle:title message:nil preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *unblockAction =
[UIAlertAction actionWithTitle:NSLocalizedString(
@"BLOCK_LIST_UNBLOCK_BUTTON", @"Button label for the 'unblock' button")
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"unblock")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *_Nonnull action) {
[BlockListUIUtils unblockPhoneNumbers:phoneNumbers
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:^(UIAlertAction *ignore) {
if (completionBlock) {
completionBlock(NO);
}
}];
}];
[actionSheet addAction:unblockAction];
UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:CommonStrings.cancelButton
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"dismiss")
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *_Nonnull action) {
if (completionBlock) {
completionBlock(YES);
}
}];
[actionSheet addAction:dismissAction];
[fromViewController presentAlert:actionSheet];
}
+ (void)unblockPhoneNumbers:(NSArray<NSString *> *)phoneNumbers
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(BlockAlertCompletionBlock)completionBlock
{
OWSAssertDebug(phoneNumbers.count > 0);
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
for (NSString *phoneNumber in phoneNumbers) {
OWSAssertDebug(phoneNumber.length > 0);
[blockingManager removeBlockedPhoneNumber:phoneNumber];
}
NSString *titleFormat = NSLocalizedString(@"BLOCK_LIST_VIEW_UNBLOCKED_ALERT_TITLE_FORMAT",
@"Alert title after unblocking a group or 1:1 chat. Embeds the {{conversation title}}.");
NSString *title = [NSString stringWithFormat:titleFormat, [self formatDisplayNameForAlertMessage:displayName]];
[self showOkAlertWithTitle:title message:nil fromViewController:fromViewController completionBlock:completionBlock];
}
+ (void)showUnblockGroupActionSheet:(TSGroupModel *)groupModel
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(nullable BlockActionCompletionBlock)completionBlock
{
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
NSString *title =
[NSString stringWithFormat:NSLocalizedString(@"BLOCK_LIST_UNBLOCK_GROUP_TITLE",
@"Action sheet title when confirming you want to unblock a group.")];
NSString *message = NSLocalizedString(
@"BLOCK_LIST_UNBLOCK_GROUP_BODY", @"Action sheet body when confirming you want to unblock a group");
UIAlertController *actionSheet = [UIAlertController alertControllerWithTitle:title
message:message
preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *unblockAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"BLOCK_LIST_UNBLOCK_BUTTON",
@"Button label for the 'unblock' button")
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"unblock")
style:UIAlertActionStyleDestructive
handler:^(UIAlertAction *_Nonnull action) {
[BlockListUIUtils unblockGroup:groupModel
displayName:displayName
fromViewController:fromViewController
blockingManager:blockingManager
completionBlock:^(UIAlertAction *ignore) {
if (completionBlock) {
completionBlock(NO);
}
}];
}];
[actionSheet addAction:unblockAction];
UIAlertAction *dismissAction = [UIAlertAction actionWithTitle:CommonStrings.cancelButton
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"dismiss")
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *_Nonnull action) {
if (completionBlock) {
completionBlock(YES);
}
}];
[actionSheet addAction:dismissAction];
[fromViewController presentAlert:actionSheet];
}
+ (void)unblockGroup:(TSGroupModel *)groupModel
displayName:(NSString *)displayName
fromViewController:(UIViewController *)fromViewController
blockingManager:(OWSBlockingManager *)blockingManager
completionBlock:(BlockAlertCompletionBlock)completionBlock
{
OWSAssertDebug(displayName.length > 0);
OWSAssertDebug(fromViewController);
OWSAssertDebug(blockingManager);
[blockingManager removeBlockedGroupId:groupModel.groupId];
NSString *titleFormat = NSLocalizedString(@"BLOCK_LIST_VIEW_UNBLOCKED_ALERT_TITLE_FORMAT",
@"Alert title after unblocking a group or 1:1 chat. Embeds the {{conversation title}}.");
NSString *title = [NSString stringWithFormat:titleFormat, [self formatDisplayNameForAlertMessage:displayName]];
NSString *message
= NSLocalizedString(@"BLOCK_LIST_VIEW_UNBLOCKED_GROUP_ALERT_BODY", @"Alert body after unblocking a group.");
[self showOkAlertWithTitle:title
message:message
fromViewController:fromViewController
completionBlock:completionBlock];
}
#pragma mark - UI
+ (void)showOkAlertWithTitle:(NSString *)title
message:(nullable NSString *)message
fromViewController:(UIViewController *)fromViewController
completionBlock:(BlockAlertCompletionBlock)completionBlock
{
OWSAssertDebug(title.length > 0);
OWSAssertDebug(fromViewController);
UIAlertController *alert =
[UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil)
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"ok")
style:UIAlertActionStyleDefault
handler:completionBlock];
[alert addAction:okAction];
[fromViewController presentAlert:alert];
}
+ (NSString *)formatDisplayNameForAlertTitle:(NSString *)displayName
{
return [self formatDisplayName:displayName withMaxLength:20];
}
+ (NSString *)formatDisplayNameForAlertMessage:(NSString *)displayName
{
return [self formatDisplayName:displayName withMaxLength:127];
}
+ (NSString *)formatDisplayName:(NSString *)displayName withMaxLength:(NSUInteger)maxLength
{
OWSAssertDebug(displayName.length > 0);
if (displayName.length > maxLength) {
return [[displayName substringToIndex:maxLength] stringByAppendingString:@"…"];
}
return displayName;
}
@end
NS_ASSUME_NONNULL_END
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