From f5aacf76246a8f1f096bbe4a16f4e5852d054570 Mon Sep 17 00:00:00 2001
From: Justin Mazzocchi <2831158+jzzocc@users.noreply.github.com>
Date: Sat, 30 Jan 2021 16:38:56 -0800
Subject: [PATCH] Blocked by state

---
 Localizations/Localizable.strings                   |  1 +
 .../ViewModels/Entities/CollectionUpdate.swift      |  7 +++++++
 .../View Models/CollectionItemsViewModel.swift      |  5 +----
 .../ViewModels/View Models/ProfileViewModel.swift   | 13 ++++++++++++-
 Views/UIKit/AccountHeaderView.swift                 | 11 +++++++++++
 5 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/Localizations/Localizable.strings b/Localizations/Localizable.strings
index c036882..5dd34fe 100644
--- a/Localizations/Localizable.strings
+++ b/Localizations/Localizable.strings
@@ -21,6 +21,7 @@
 "account.statuses-and-replies" = "Posts & Replies";
 "account.media" = "Media";
 "account.show-reblogs" = "Show boosts";
+"account.unavailable" = "Profile unavailable";
 "account.unblock" = "Unblock";
 "account.unblock.confirm-%@" = "Unblock %@?";
 "account.unfollow" = "Unfollow";
diff --git a/ViewModels/Sources/ViewModels/Entities/CollectionUpdate.swift b/ViewModels/Sources/ViewModels/Entities/CollectionUpdate.swift
index 53e6176..ce33770 100644
--- a/ViewModels/Sources/ViewModels/Entities/CollectionUpdate.swift
+++ b/ViewModels/Sources/ViewModels/Entities/CollectionUpdate.swift
@@ -5,3 +5,10 @@ public struct CollectionUpdate: Hashable {
     public let maintainScrollPositionItemId: String?
     public let shouldAdjustContentInset: Bool
 }
+
+extension CollectionUpdate {
+    static let empty: Self = Self(
+        sections: [],
+        maintainScrollPositionItemId: nil,
+        shouldAdjustContentInset: false)
+}
diff --git a/ViewModels/Sources/ViewModels/View Models/CollectionItemsViewModel.swift b/ViewModels/Sources/ViewModels/View Models/CollectionItemsViewModel.swift
index 799f408..4a3c32f 100644
--- a/ViewModels/Sources/ViewModels/View Models/CollectionItemsViewModel.swift	
+++ b/ViewModels/Sources/ViewModels/View Models/CollectionItemsViewModel.swift	
@@ -11,10 +11,7 @@ public class CollectionItemsViewModel: ObservableObject {
     @Published public var alertItem: AlertItem?
     public private(set) var nextPageMaxId: String?
 
-    @Published private var lastUpdate = CollectionUpdate(
-        sections: [],
-        maintainScrollPositionItemId: nil,
-        shouldAdjustContentInset: false)
+    @Published private var lastUpdate = CollectionUpdate.empty
     private let collectionService: CollectionService
     private var viewModelCache = [CollectionItem: (viewModel: CollectionItemViewModel, events: AnyCancellable)]()
     private let eventsSubject = PassthroughSubject<CollectionItemEvent, Never>()
diff --git a/ViewModels/Sources/ViewModels/View Models/ProfileViewModel.swift b/ViewModels/Sources/ViewModels/View Models/ProfileViewModel.swift
index f7fe9ea..186bcfa 100644
--- a/ViewModels/Sources/ViewModels/View Models/ProfileViewModel.swift	
+++ b/ViewModels/Sources/ViewModels/View Models/ProfileViewModel.swift	
@@ -67,7 +67,18 @@ extension ProfileViewModel: CollectionViewModel {
     }
 
     public var updates: AnyPublisher<CollectionUpdate, Never> {
-        collectionViewModel.flatMap(\.updates).eraseToAnyPublisher()
+        collectionViewModel.flatMap(\.updates)
+            .combineLatest($accountViewModel.map { $0?.relationship })
+            .map {
+                let (updates, relationship) = $0
+
+                if let relationship = relationship, relationship.blockedBy {
+                    return .empty
+                } else {
+                    return updates
+                }
+            }
+            .eraseToAnyPublisher()
     }
 
     public var title: AnyPublisher<String, Never> {
diff --git a/Views/UIKit/AccountHeaderView.swift b/Views/UIKit/AccountHeaderView.swift
index 7ea465a..2f6737e 100644
--- a/Views/UIKit/AccountHeaderView.swift
+++ b/Views/UIKit/AccountHeaderView.swift
@@ -24,6 +24,7 @@ final class AccountHeaderView: UIView {
     let followingButton = UIButton()
     let followersButton = UIButton()
     let segmentedControl = UISegmentedControl()
+    let unavailableLabel = UILabel()
 
     var viewModel: ProfileViewModel? {
         didSet {
@@ -47,8 +48,10 @@ final class AccountHeaderView: UIView {
                     unfollowButton.isHidden = !relationship.following
 
                     relationshipButtonsStackView.isHidden = false
+                    unavailableLabel.isHidden = !relationship.blockedBy
                 } else {
                     relationshipButtonsStackView.isHidden = true
+                    unavailableLabel.isHidden = true
                 }
 
                 if accountViewModel.displayName.isEmpty {
@@ -319,6 +322,14 @@ private extension AccountHeaderView {
 
         baseStackView.addArrangedSubview(segmentedControl)
 
+        baseStackView.addArrangedSubview(unavailableLabel)
+        unavailableLabel.adjustsFontForContentSizeCategory = true
+        unavailableLabel.font = .preferredFont(forTextStyle: .title3)
+        unavailableLabel.textAlignment = .center
+        unavailableLabel.numberOfLines = 0
+        unavailableLabel.text = NSLocalizedString("account.unavailable", comment: "")
+        unavailableLabel.isHidden = true
+
         let headerImageAspectRatioConstraint = headerImageView.heightAnchor.constraint(
             equalTo: headerImageView.widthAnchor,
             multiplier: 1 / 3)