Update home and group cells' dependencies.

Signal/src/ViewControllers/HomeView/ConversationSearchViewController.swift

@@ -216,7 +216,7 @@ class ConversationSearchViewController: UITableViewController, BlockListCacheDel
                 owsFailDebug("searchResult was unexpectedly nil")
                 return UITableViewCell()
             }
-            cell.configure(withThread: searchResult.thread, contactsManager: contactsManager, isBlocked: isBlocked(thread: searchResult.thread))
+            cell.configure(withThread: searchResult.thread, isBlocked: isBlocked(thread: searchResult.thread))
             return cell
         case .contacts:
             guard let cell = tableView.dequeueReusableCell(withIdentifier: ContactTableViewCell.reuseIdentifier()) as? ContactTableViewCell else {
@@ -265,7 +265,6 @@ class ConversationSearchViewController: UITableViewController, BlockListCacheDel
             }
 
             cell.configure(withThread: searchResult.thread,
-                           contactsManager: contactsManager,
                            isBlocked: isBlocked(thread: searchResult.thread),
                            overrideSnippet: overrideSnippet,
                            overrideDate: overrideDate)

Signal/src/ViewControllers/HomeView/HomeViewCell.h

@@ -4,7 +4,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@class OWSContactsManager;
 @class ThreadViewModel;
 @class YapDatabaseReadTransaction;
 
@@ -13,11 +12,9 @@ NS_ASSUME_NONNULL_BEGIN
 + (NSString *)cellReuseIdentifier;
 
 - (void)configureWithThread:(ThreadViewModel *)thread
-            contactsManager:(OWSContactsManager *)contactsManager
                   isBlocked:(BOOL)isBlocked;
 
 - (void)configureWithThread:(ThreadViewModel *)thread
-            contactsManager:(OWSContactsManager *)contactsManager
                   isBlocked:(BOOL)isBlocked
             overrideSnippet:(nullable NSAttributedString *)overrideSnippet
                overrideDate:(nullable NSDate *)overrideDate;

Signal/src/ViewControllers/HomeView/HomeViewCell.m

@@ -27,7 +27,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic) UILabel *unreadLabel;
 
 @property (nonatomic, nullable) ThreadViewModel *thread;
-@property (nonatomic, nullable) OWSContactsManager *contactsManager;
 
 @property (nonatomic, readonly) NSMutableArray<NSLayoutConstraint *> *viewConstraints;
 
@@ -37,6 +36,17 @@ NS_ASSUME_NONNULL_BEGIN
 
 @implementation HomeViewCell
 
+#pragma mark - Dependencies
+
+- (OWSContactsManager *)contactsManager
+{
+    OWSAssertDebug(Environment.shared.contactsManager);
+
+    return Environment.shared.contactsManager;
+}
+
+#pragma mark -
+
 - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(nullable NSString *)reuseIdentifier
 {
     if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
@@ -167,30 +177,25 @@ NS_ASSUME_NONNULL_BEGIN
 }
 
 - (void)configureWithThread:(ThreadViewModel *)thread
-            contactsManager:(OWSContactsManager *)contactsManager
                   isBlocked:(BOOL)isBlocked
 {
     [self configureWithThread:thread
-              contactsManager:contactsManager
                     isBlocked:isBlocked
               overrideSnippet:nil
                  overrideDate:nil];
 }
 
 - (void)configureWithThread:(ThreadViewModel *)thread
-            contactsManager:(OWSContactsManager *)contactsManager
                   isBlocked:(BOOL)isBlocked
             overrideSnippet:(nullable NSAttributedString *)overrideSnippet
                overrideDate:(nullable NSDate *)overrideDate
 {
     OWSAssertIsOnMainThread();
     OWSAssertDebug(thread);
-    OWSAssertDebug(contactsManager);
 
     [OWSTableItem configureCell:self];
 
     self.thread = thread;
-    self.contactsManager = contactsManager;
 
     BOOL hasUnreadMessages = thread.hasUnreadMessages;
 
@@ -321,13 +326,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)updateAvatarView
 {
-    OWSContactsManager *contactsManager = self.contactsManager;
-    if (contactsManager == nil) {
-        OWSFailDebug(@"contactsManager should not be nil");
-        self.avatarView.image = nil;
-        return;
-    }
-
     ThreadViewModel *thread = self.thread;
     if (thread == nil) {
         OWSFailDebug(@"thread should not be nil");
@@ -444,7 +442,6 @@ NS_ASSUME_NONNULL_BEGIN
     [self.viewConstraints removeAllObjects];
 
     self.thread = nil;
-    self.contactsManager = nil;
     self.avatarView.image = nil;
 
     [[NSNotificationCenter defaultCenter] removeObserver:self];
@@ -487,13 +484,6 @@ NS_ASSUME_NONNULL_BEGIN
         return;
     }
 
-    OWSContactsManager *contactsManager = self.contactsManager;
-    if (contactsManager == nil) {
-        OWSFailDebug(@"contacts manager should not be nil");
-        self.nameLabel.attributedText = nil;
-        return;
-    }
-
     NSAttributedString *name;
     if (thread.isGroupThread) {
         if (thread.name.length == 0) {
@@ -502,7 +492,7 @@ NS_ASSUME_NONNULL_BEGIN
             name = [[NSAttributedString alloc] initWithString:thread.name];
         }
     } else {
-        name = [contactsManager attributedContactOrProfileNameForPhoneIdentifier:thread.contactIdentifier
+        name = [self.contactsManager attributedContactOrProfileNameForPhoneIdentifier:thread.contactIdentifier
                                                                           primaryFont:self.nameFont
                                                                         secondaryFont:self.nameSecondaryFont];
     }

Signal/src/ViewControllers/HomeView/HomeViewController.m

@@ -871,7 +871,7 @@ NSString *const kArchivedConversationsReuseIdentifier = @"kArchivedConversations
     ThreadViewModel *thread = [self threadViewModelForIndexPath:indexPath];
 
     BOOL isBlocked = [self.blocklistCache isThreadBlocked:thread.threadRecord];
-    [cell configureWithThread:thread contactsManager:self.contactsManager isBlocked:isBlocked];
+    [cell configureWithThread:thread isBlocked:isBlocked];
 
     return cell;
 }

Signal/src/ViewControllers/NewContactThreadViewController.m

@@ -589,7 +589,7 @@ NS_ASSUME_NONNULL_BEGIN
         [groupSection addItem:[OWSTableItem
                                   itemWithCustomCellBlock:^{
                                       GroupTableViewCell *cell = [GroupTableViewCell new];
-                                      [cell configureWithThread:thread contactsManager:helper.contactsManager];
+                                      [cell configureWithThread:thread];
                                       return cell;
                                   }
                                   customRowHeight:UITableViewAutomaticDimension

Signal/src/views/GroupTableViewCell.swift

@@ -7,6 +7,14 @@ import SignalServiceKit
 
 @objc class GroupTableViewCell: UITableViewCell {
 
+    // MARK: - Dependencies
+
+    private var contactsManager: OWSContactsManager {
+        return Environment.shared.contactsManager
+    }
+
+    // MARK: -
+
     private let avatarView = AvatarImageView()
     private let nameLabel = UILabel()
     private let subtitleLabel = UILabel()
@@ -43,7 +51,7 @@ import SignalServiceKit
     }
 
     @objc
-    public func configure(thread: TSGroupThread, contactsManager: OWSContactsManager) {
+    public func configure(thread: TSGroupThread) {
         OWSTableItem.configureCell(self)
 
         if let groupName = thread.groupModel.groupName, !groupName.isEmpty {