Merge branch 'charlesmchen/searchVsNonSignalContacts'

Signal/src/ViewControllers/ContactsViewHelper.h

@@ -44,6 +44,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (NSArray<SignalAccount *> *)signalAccountsMatchingSearchString:(NSString *)searchText;
 
+- (NSArray<Contact *> *)nonSignalContactsMatchingSearchString:(NSString *)searchText;
+
 @end
 
 NS_ASSUME_NONNULL_END

Signal/src/ViewControllers/ContactsViewHelper.m

@@ -15,6 +15,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface ContactsViewHelper ()
 
+// This property is a cached value that is lazy-populated.
+@property (nonatomic, nullable) NSArray<Contact *> *nonSignalContacts;
+
 @property (nonatomic) NSDictionary<NSString *, SignalAccount *> *signalAccountMap;
 @property (nonatomic) NSArray<SignalAccount *> *signalAccounts;
 
@@ -143,6 +146,7 @@ NS_ASSUME_NONNULL_BEGIN
     }
     self.signalAccountMap = [signalAccountMap copy];
     self.signalAccounts = [signalAccounts copy];
+    self.nonSignalContacts = nil;
 
     [self.delegate contactsViewHelperDidUpdateContacts];
 }
@@ -178,15 +182,19 @@ NS_ASSUME_NONNULL_BEGIN
     return YES;
 }
 
-- (NSArray<SignalAccount *> *)signalAccountsMatchingSearchString:(NSString *)searchText
+- (NSArray<NSString *> *)searchTermsForSearchString:(NSString *)searchText
 {
-    NSArray<NSString *> *searchTerms =
-        [[[searchText stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]
+    return [[[searchText stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]
         componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]
         filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(NSString *_Nullable searchTerm,
                                         NSDictionary<NSString *, id> *_Nullable bindings) {
             return searchTerm.length > 0;
         }]];
+}
+
+- (NSArray<SignalAccount *> *)signalAccountsMatchingSearchString:(NSString *)searchText
+{
+    NSArray<NSString *> *searchTerms = [self searchTermsForSearchString:searchText];
 
     if (searchTerms.count < 1) {
         return self.signalAccounts;
@@ -199,6 +207,76 @@ NS_ASSUME_NONNULL_BEGIN
         }]];
 }
 
+- (BOOL)doesContact:(Contact *)contact matchSearchTerm:(NSString *)searchTerm
+{
+    OWSAssert(contact);
+    OWSAssert(searchTerm.length > 0);
+
+    if ([contact.fullName.lowercaseString containsString:searchTerm.lowercaseString]) {
+        return YES;
+    }
+
+    NSString *asPhoneNumber = [PhoneNumber removeFormattingCharacters:searchTerm];
+    if (asPhoneNumber.length > 0) {
+        for (PhoneNumber *phoneNumber in contact.parsedPhoneNumbers) {
+            if ([phoneNumber.toE164 containsString:asPhoneNumber]) {
+                return YES;
+            }
+        }
+    }
+
+    return NO;
+}
+
+- (BOOL)doesContact:(Contact *)contact matchSearchTerms:(NSArray<NSString *> *)searchTerms
+{
+    OWSAssert(contact);
+    OWSAssert(searchTerms.count > 0);
+
+    for (NSString *searchTerm in searchTerms) {
+        if (![self doesContact:contact matchSearchTerm:searchTerm]) {
+            return NO;
+        }
+    }
+
+    return YES;
+}
+
+- (NSArray<Contact *> *)nonSignalContactsMatchingSearchString:(NSString *)searchText
+{
+    NSArray<NSString *> *searchTerms = [self searchTermsForSearchString:searchText];
+
+    if (searchTerms.count < 1) {
+        return [NSArray new];
+    }
+
+    return [self.nonSignalContacts filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(Contact *contact,
+                                                                   NSDictionary<NSString *, id> *_Nullable bindings) {
+        return [self doesContact:contact matchSearchTerms:searchTerms];
+    }]];
+}
+
+- (nullable NSArray<Contact *> *)nonSignalContacts
+{
+    if (!_nonSignalContacts) {
+        NSMutableSet<Contact *> *nonSignalContacts = [NSMutableSet new];
+        [[TSStorageManager sharedManager].dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
+            for (Contact *contact in self.contactsManager.allContactsMap.allValues) {
+                NSArray<SignalRecipient *> *signalRecipients = [contact signalRecipientsWithTransaction:transaction];
+                if (signalRecipients.count < 1) {
+                    [nonSignalContacts addObject:contact];
+                }
+            }
+        }];
+        _nonSignalContacts = [nonSignalContacts.allObjects
+            sortedArrayUsingComparator:^NSComparisonResult(Contact *_Nonnull left, Contact *_Nonnull right) {
+                return [left.fullName compare:right.fullName];
+            }];
+    }
+
+    return _nonSignalContacts;
+}
+
 @end
 
 NS_ASSUME_NONNULL_END

Signal/src/ViewControllers/MessageComposeTableViewController.m

@@ -218,6 +218,10 @@ NS_ASSUME_NONNULL_BEGIN
 
     OWSTableSection *section = [OWSTableSection new];
 
+    const CGFloat kActionCellHeight
+        = ScaleFromIPhone5To7Plus(round((kOWSTable_DefaultCellHeight + [ContactTableViewCell rowHeight]) * 0.5f),
+            [ContactTableViewCell rowHeight]);
+
     // Find Non-Contacts by Phone Number
     [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
         UITableViewCell *cell = [UITableViewCell new];
@@ -228,7 +232,7 @@ NS_ASSUME_NONNULL_BEGIN
         cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
         return cell;
     }
-                         customRowHeight:[ContactTableViewCell rowHeight]
+                         customRowHeight:kActionCellHeight
                          actionBlock:^{
                              NewNonContactConversationViewController *viewController =
                                  [NewNonContactConversationViewController new];
@@ -246,7 +250,7 @@ NS_ASSUME_NONNULL_BEGIN
         cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
         return cell;
     }
-                         customRowHeight:[ContactTableViewCell rowHeight]
+                         customRowHeight:kActionCellHeight
                          actionBlock:^{
                              [weakSelf presentInviteFlow];
                          }]];
@@ -287,7 +291,7 @@ NS_ASSUME_NONNULL_BEGIN
                 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
                 return cell;
             }
-                                 customRowHeight:[ContactTableViewCell rowHeight]
+                                 customRowHeight:kActionCellHeight
                                  actionBlock:^{
                                      [weakSelf sendTextToPhoneNumber:phoneNumber];
                                  }]];
@@ -316,6 +320,40 @@ NS_ASSUME_NONNULL_BEGIN
     }
 
     BOOL hasSearchText = [self.searchBar text].length > 0;
+    BOOL hasSearchResults = filteredSignalAccounts.count > 0;
+
+    // Invitation offers for non-signal contacts
+    if (hasSearchText) {
+        for (Contact *contact in [helper nonSignalContactsMatchingSearchString:[self.searchBar text]]) {
+            hasSearchResults = YES;
+
+            OWSAssert(contact.parsedPhoneNumbers.count > 0);
+            // TODO: Should we invite all of their phone numbers?
+            PhoneNumber *phoneNumber = contact.parsedPhoneNumbers[0];
+            NSString *displayName = contact.fullName;
+            if (displayName.length < 1) {
+                displayName = phoneNumber.toE164;
+            }
+
+            [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
+                UITableViewCell *cell = [UITableViewCell new];
+                cell.textLabel.text =
+                    [NSString stringWithFormat:NSLocalizedString(@"SEND_INVITE_VIA_SMS_BUTTON_FORMAT",
+                                                   @"Text for button to send a Signal invite via SMS. %@ is "
+                                                   @"placeholder for the receipient's phone number."),
+                              displayName];
+                cell.textLabel.font = [UIFont ows_regularFontWithSize:18.f];
+                cell.textLabel.textColor = [UIColor blackColor];
+                cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
+                return cell;
+            }
+                                 customRowHeight:kActionCellHeight
+                                 actionBlock:^{
+                                     [weakSelf sendTextToPhoneNumber:phoneNumber.toE164];
+                                 }]];
+        }
+    }
+
     if (!hasSearchText && helper.signalAccounts.count < 1) {
         // No Contacts
 
@@ -329,11 +367,11 @@ NS_ASSUME_NONNULL_BEGIN
             cell.selectionStyle = UITableViewCellSelectionStyleNone;
             return cell;
         }
-                                               customRowHeight:[ContactTableViewCell rowHeight]
+                                               customRowHeight:kActionCellHeight
                                                    actionBlock:nil]];
     }
 
-    if (hasSearchText && filteredSignalAccounts.count < 1) {
+    if (hasSearchText && !hasSearchResults) {
         // No Search Results
 
         [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
@@ -346,7 +384,7 @@ NS_ASSUME_NONNULL_BEGIN
             cell.selectionStyle = UITableViewCellSelectionStyleNone;
             return cell;
         }
-                                               customRowHeight:[ContactTableViewCell rowHeight]
+                                               customRowHeight:kActionCellHeight
                                                    actionBlock:nil]];
     }
 

Signal/src/contact/OWSContactsManager.h

@@ -19,6 +19,8 @@ extern NSString *const OWSContactsManagerSignalAccountsDidChangeNotification;
 
 @property (nonnull, readonly) NSCache<NSString *, UIImage *> *avatarCache;
 
+@property (atomic, readonly) NSDictionary<NSString *, Contact *> *allContactsMap;
+
 // signalAccountMap and signalAccounts hold the same data.
 // signalAccountMap is for lookup. signalAccounts contains the accounts
 // ordered by display order.