431 lines
16 KiB
Objective-C
431 lines
16 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "ContactsViewHelper.h"
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#import "Environment.h"
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#import "UIUtil.h"
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#import <SignalCoreKit/NSString+SSK.h>
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#import <SignalMessaging/OWSProfileManager.h>
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#import <SignalMessaging/SignalMessaging-Swift.h>
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#import <SignalServiceKit/AppContext.h>
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#import <SignalServiceKit/Contact.h>
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#import <SignalServiceKit/OWSBlockingManager.h>
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#import <SignalServiceKit/PhoneNumber.h>
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#import <SignalServiceKit/SignalAccount.h>
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#import <SignalServiceKit/TSAccountManager.h>
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@import ContactsUI;
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NS_ASSUME_NONNULL_BEGIN
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@interface ContactsViewHelper () <OWSBlockListCacheDelegate>
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// This property is a cached value that is lazy-populated.
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@property (nonatomic, nullable) NSArray<Contact *> *nonSignalContacts;
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@property (nonatomic) NSDictionary<NSString *, SignalAccount *> *signalAccountMap;
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@property (nonatomic) NSArray<SignalAccount *> *signalAccounts;
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@property (nonatomic, readonly) OWSBlockListCache *blockListCache;
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@property (nonatomic) BOOL shouldNotifyDelegateOfUpdatedContacts;
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@property (nonatomic) BOOL hasUpdatedContactsAtLeastOnce;
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@property (nonatomic) OWSProfileManager *profileManager;
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@property (nonatomic, readonly) ConversationSearcher *conversationSearcher;
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@end
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#pragma mark -
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@implementation ContactsViewHelper
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- (instancetype)initWithDelegate:(id<ContactsViewHelperDelegate>)delegate
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{
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self = [super init];
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if (!self) {
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return self;
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}
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OWSAssertDebug(delegate);
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_delegate = delegate;
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_blockingManager = [OWSBlockingManager sharedManager];
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_blockListCache = [OWSBlockListCache new];
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[_blockListCache startObservingAndSyncStateWithDelegate:self];
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_conversationSearcher = ConversationSearcher.shared;
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_contactsManager = Environment.shared.contactsManager;
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_profileManager = [OWSProfileManager sharedManager];
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// We don't want to notify the delegate in the `updateContacts`.
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self.shouldNotifyDelegateOfUpdatedContacts = YES;
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[self updateContacts];
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self.shouldNotifyDelegateOfUpdatedContacts = NO;
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[self observeNotifications];
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return self;
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}
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- (void)observeNotifications
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{
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(signalAccountsDidChange:)
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name:OWSContactsManagerSignalAccountsDidChangeNotification
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object:nil];
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)signalAccountsDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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[self updateContacts];
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}
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#pragma mark - Contacts
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- (nullable SignalAccount *)fetchSignalAccountForRecipientId:(NSString *)recipientId
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{
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OWSAssertIsOnMainThread();
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OWSAssertDebug(recipientId.length > 0);
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return self.signalAccountMap[recipientId];
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}
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- (SignalAccount *)fetchOrBuildSignalAccountForRecipientId:(NSString *)recipientId
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{
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OWSAssertDebug(recipientId.length > 0);
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SignalAccount *_Nullable signalAccount = [self fetchSignalAccountForRecipientId:recipientId];
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return (signalAccount ?: [[SignalAccount alloc] initWithRecipientId:recipientId]);
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}
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- (BOOL)isSignalAccountHidden:(SignalAccount *)signalAccount
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{
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OWSAssertIsOnMainThread();
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if ([self.delegate respondsToSelector:@selector(shouldHideLocalNumber)] && [self.delegate shouldHideLocalNumber] &&
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[self isCurrentUser:signalAccount]) {
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return YES;
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}
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return NO;
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}
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- (BOOL)isCurrentUser:(SignalAccount *)signalAccount
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{
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OWSAssertIsOnMainThread();
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NSString *localNumber = [TSAccountManager localNumber];
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if ([signalAccount.recipientId isEqualToString:localNumber]) {
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return YES;
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}
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for (PhoneNumber *phoneNumber in signalAccount.contact.parsedPhoneNumbers) {
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if ([[phoneNumber toE164] isEqualToString:localNumber]) {
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return YES;
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}
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}
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return NO;
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}
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- (NSString *)localNumber
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{
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return [TSAccountManager localNumber];
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}
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- (BOOL)isRecipientIdBlocked:(NSString *)recipientId
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{
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OWSAssertIsOnMainThread();
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return [self.blockListCache isRecipientIdBlocked:recipientId];
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}
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- (BOOL)isGroupIdBlocked:(NSData *)groupId
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{
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OWSAssertIsOnMainThread();
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return [self.blockListCache isGroupIdBlocked:groupId];
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}
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- (BOOL)isThreadBlocked:(TSThread *)thread
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{
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if ([thread isKindOfClass:[TSContactThread class]]) {
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TSContactThread *contactThread = (TSContactThread *)thread;
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return [self isRecipientIdBlocked:contactThread.contactIdentifier];
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} else if ([thread isKindOfClass:[TSGroupThread class]]) {
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TSGroupThread *groupThread = (TSGroupThread *)thread;
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return [self isGroupIdBlocked:groupThread.groupModel.groupId];
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} else {
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OWSFailDebug(@"%@ failure: unexpected thread: %@", self.logTag, thread.class);
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return NO;
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}
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}
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- (void)updateContacts
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{
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OWSAssertIsOnMainThread();
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NSMutableDictionary<NSString *, SignalAccount *> *signalAccountMap = [NSMutableDictionary new];
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NSMutableArray<SignalAccount *> *signalAccounts = [NSMutableArray new];
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for (SignalAccount *signalAccount in self.contactsManager.signalAccounts) {
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if (![self isSignalAccountHidden:signalAccount]) {
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signalAccountMap[signalAccount.recipientId] = signalAccount;
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[signalAccounts addObject:signalAccount];
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}
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}
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self.signalAccountMap = [signalAccountMap copy];
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self.signalAccounts = [signalAccounts copy];
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self.nonSignalContacts = nil;
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// Don't fire delegate "change" events during initialization.
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if (!self.shouldNotifyDelegateOfUpdatedContacts) {
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[self.delegate contactsViewHelperDidUpdateContacts];
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self.hasUpdatedContactsAtLeastOnce = YES;
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}
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}
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- (NSArray<NSString *> *)searchTermsForSearchString:(NSString *)searchText
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{
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return [[[searchText ows_stripped]
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componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]
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filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(NSString *_Nullable searchTerm,
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NSDictionary<NSString *, id> *_Nullable bindings) {
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return searchTerm.length > 0;
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}]];
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}
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- (NSArray<SignalAccount *> *)signalAccountsMatchingSearchString:(NSString *)searchText
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{
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return [self.conversationSearcher filterSignalAccounts:self.signalAccounts withSearchText:searchText];
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}
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- (BOOL)doesContact:(Contact *)contact matchSearchTerm:(NSString *)searchTerm
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{
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OWSAssertDebug(contact);
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OWSAssertDebug(searchTerm.length > 0);
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if ([contact.fullName.lowercaseString containsString:searchTerm.lowercaseString]) {
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return YES;
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}
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NSString *asPhoneNumber = [PhoneNumber removeFormattingCharacters:searchTerm];
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if (asPhoneNumber.length > 0) {
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for (PhoneNumber *phoneNumber in contact.parsedPhoneNumbers) {
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if ([phoneNumber.toE164 containsString:asPhoneNumber]) {
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return YES;
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}
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}
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}
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return NO;
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}
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- (BOOL)doesContact:(Contact *)contact matchSearchTerms:(NSArray<NSString *> *)searchTerms
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{
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OWSAssertDebug(contact);
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OWSAssertDebug(searchTerms.count > 0);
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for (NSString *searchTerm in searchTerms) {
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if (![self doesContact:contact matchSearchTerm:searchTerm]) {
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return NO;
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}
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}
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return YES;
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}
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- (NSArray<Contact *> *)nonSignalContactsMatchingSearchString:(NSString *)searchText
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{
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NSArray<NSString *> *searchTerms = [self searchTermsForSearchString:searchText];
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if (searchTerms.count < 1) {
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return [NSArray new];
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}
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return [self.nonSignalContacts filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(Contact *contact,
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NSDictionary<NSString *, id> *_Nullable bindings) {
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return [self doesContact:contact matchSearchTerms:searchTerms];
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}]];
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}
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- (nullable NSArray<Contact *> *)nonSignalContacts
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{
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if (!_nonSignalContacts) {
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NSMutableSet<Contact *> *nonSignalContacts = [NSMutableSet new];
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[OWSPrimaryStorage.dbReadConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
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for (Contact *contact in self.contactsManager.allContactsMap.allValues) {
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NSArray<SignalRecipient *> *signalRecipients = [contact signalRecipientsWithTransaction:transaction];
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if (signalRecipients.count < 1) {
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[nonSignalContacts addObject:contact];
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}
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}
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}];
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_nonSignalContacts = [nonSignalContacts.allObjects
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sortedArrayUsingComparator:^NSComparisonResult(Contact *_Nonnull left, Contact *_Nonnull right) {
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return [left.fullName compare:right.fullName];
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}];
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}
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return _nonSignalContacts;
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}
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#pragma mark - Editing
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- (void)presentMissingContactAccessAlertControllerFromViewController:(UIViewController *)viewController
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{
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[ContactsViewHelper presentMissingContactAccessAlertControllerFromViewController:viewController];
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}
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+ (void)presentMissingContactAccessAlertControllerFromViewController:(UIViewController *)viewController
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{
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UIAlertController *alertController = [UIAlertController
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alertControllerWithTitle:NSLocalizedString(@"EDIT_CONTACT_WITHOUT_CONTACTS_PERMISSION_ALERT_TITLE", comment
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: @"Alert title for when the user has just tried to edit a "
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@"contacts after declining to give Signal contacts "
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@"permissions")
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message:NSLocalizedString(@"EDIT_CONTACT_WITHOUT_CONTACTS_PERMISSION_ALERT_BODY", comment
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: @"Alert body for when the user has just tried to edit a "
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@"contacts after declining to give Signal contacts "
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@"permissions")
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preferredStyle:UIAlertControllerStyleAlert];
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[alertController
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addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"AB_PERMISSION_MISSING_ACTION_NOT_NOW",
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@"Button text to dismiss missing contacts permission alert")
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style:UIAlertActionStyleCancel
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handler:nil]];
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UIAlertAction *_Nullable openSystemSettingsAction = CurrentAppContext().openSystemSettingsAction;
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if (openSystemSettingsAction) {
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[alertController addAction:openSystemSettingsAction];
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}
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[viewController presentViewController:alertController animated:YES completion:nil];
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}
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- (void)presentContactViewControllerForRecipientId:(NSString *)recipientId
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fromViewController:(UIViewController<ContactEditingDelegate> *)fromViewController
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editImmediately:(BOOL)shouldEditImmediately
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{
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[self presentContactViewControllerForRecipientId:recipientId
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fromViewController:fromViewController
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editImmediately:shouldEditImmediately
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addToExistingCnContact:nil];
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}
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- (void)presentContactViewControllerForRecipientId:(NSString *)recipientId
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fromViewController:(UIViewController<ContactEditingDelegate> *)fromViewController
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editImmediately:(BOOL)shouldEditImmediately
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addToExistingCnContact:(CNContact *_Nullable)existingContact
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{
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SignalAccount *signalAccount = [self fetchSignalAccountForRecipientId:recipientId];
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if (!self.contactsManager.supportsContactEditing) {
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// Should not expose UI that lets the user get here.
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OWSFailDebug(@"Contact editing not supported.");
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return;
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}
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if (!self.contactsManager.isSystemContactsAuthorized) {
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[self presentMissingContactAccessAlertControllerFromViewController:fromViewController];
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return;
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}
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CNContactViewController *_Nullable contactViewController;
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CNContact *_Nullable cnContact = nil;
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if (existingContact) {
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CNMutableContact *updatedContact = [existingContact mutableCopy];
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NSMutableArray<CNLabeledValue *> *phoneNumbers
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= (updatedContact.phoneNumbers ? [updatedContact.phoneNumbers mutableCopy] : [NSMutableArray new]);
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// Only add recipientId as a phone number for the existing contact
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// if its not already present.
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BOOL hasPhoneNumber = NO;
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for (CNLabeledValue *existingPhoneNumber in phoneNumbers) {
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CNPhoneNumber *phoneNumber = existingPhoneNumber.value;
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if ([phoneNumber.stringValue isEqualToString:recipientId]) {
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OWSFailDebug(@"We currently only should the 'add to existing contact' UI for phone numbers that don't "
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@"correspond to an existing user.");
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hasPhoneNumber = YES;
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break;
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}
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}
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if (!hasPhoneNumber) {
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CNPhoneNumber *phoneNumber = [CNPhoneNumber phoneNumberWithStringValue:recipientId];
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CNLabeledValue<CNPhoneNumber *> *labeledPhoneNumber =
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[CNLabeledValue labeledValueWithLabel:CNLabelPhoneNumberMain value:phoneNumber];
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[phoneNumbers addObject:labeledPhoneNumber];
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updatedContact.phoneNumbers = phoneNumbers;
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// When adding a phone number to an existing contact, immediately enter
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// "edit" mode.
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shouldEditImmediately = YES;
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}
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cnContact = updatedContact;
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}
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if (signalAccount && !cnContact) {
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cnContact = [self.contactsManager cnContactWithId:signalAccount.contact.cnContactId];
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}
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if (cnContact) {
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if (shouldEditImmediately) {
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// Not actually a "new" contact, but this brings up the edit form rather than the "Read" form
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// saving our users a tap in some cases when we already know they want to edit.
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contactViewController = [CNContactViewController viewControllerForNewContact:cnContact];
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// Default title is "New Contact". We could give a more descriptive title, but anything
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// seems redundant - the context is sufficiently clear.
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contactViewController.title = @"";
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} else {
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contactViewController = [CNContactViewController viewControllerForContact:cnContact];
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}
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}
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if (!contactViewController) {
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CNMutableContact *newContact = [CNMutableContact new];
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CNPhoneNumber *phoneNumber = [CNPhoneNumber phoneNumberWithStringValue:recipientId];
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CNLabeledValue<CNPhoneNumber *> *labeledPhoneNumber =
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[CNLabeledValue labeledValueWithLabel:CNLabelPhoneNumberMain value:phoneNumber];
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newContact.phoneNumbers = @[ labeledPhoneNumber ];
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newContact.givenName = [self.profileManager profileNameForRecipientId:recipientId];
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contactViewController = [CNContactViewController viewControllerForNewContact:newContact];
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}
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contactViewController.delegate = fromViewController;
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contactViewController.allowsActions = NO;
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contactViewController.allowsEditing = YES;
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contactViewController.navigationItem.leftBarButtonItem =
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[[UIBarButtonItem alloc] initWithTitle:CommonStrings.cancelButton
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style:UIBarButtonItemStylePlain
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target:fromViewController
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action:@selector(didFinishEditingContact)];
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OWSNavigationController *modal = [[OWSNavigationController alloc] initWithRootViewController:contactViewController];
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// We want the presentation to imply a "replacement" in this case.
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if (shouldEditImmediately) {
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modal.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
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}
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[fromViewController presentViewController:modal animated:YES completion:nil];
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}
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- (void)blockListCacheDidUpdate:(OWSBlockListCache *)blocklistCache
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{
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OWSAssertIsOnMainThread();
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[self updateContacts];
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}
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@end
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NS_ASSUME_NONNULL_END
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