Fix follow button never activating on Pixelfed

Caused by not being able to decode Relationship due to missing fields.
Also disable actions that are unsupported on Pixelfed.

Closes #481

Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift

@@ -217,6 +217,18 @@ public final class InstanceFeatures: ObservableObject {
         instanceType.isPleroma
     }
     
+    public var muteNotifications: Bool {
+        !instanceType.isPixelfed
+    }
+    
+    public var blockDomains: Bool {
+        !instanceType.isPixelfed
+    }
+    
+    public var hideReblogs: Bool {
+        !instanceType.isPixelfed
+    }
+    
     public init() {
     }
     
@@ -338,6 +350,14 @@ extension InstanceFeatures {
                 return false
             }
         }
+        
+        var isPixelfed: Bool {
+            if case .pixelfed = self {
+                return true
+            } else {
+                return false
+            }
+        }
     }
     
     @_spi(InstanceType) public enum MastodonType {

Packages/Pachyderm/Sources/Pachyderm/Model/Relationship.swift

@@ -27,10 +27,13 @@ public struct Relationship: RelationshipProtocol, Decodable, Sendable {
         self.followedBy = try container.decode(Bool.self, forKey: .followedBy)
         self.blocking = try container.decode(Bool.self, forKey: .blocking)
         self.muting = try container.decode(Bool.self, forKey: .muting)
-        self.mutingNotifications = try container.decode(Bool.self, forKey: .mutingNotifications)
+        // not supported on pixelfed
+        self.mutingNotifications = try container.decodeIfPresent(Bool.self, forKey: .mutingNotifications) ?? false
         self.followRequested = try container.decode(Bool.self, forKey: .followRequested)
-        self.domainBlocking = try container.decode(Bool.self, forKey: .domainBlocking)
-        self.showingReblogs = try container.decode(Bool.self, forKey: .showingReblogs)
+        // not supported on pixelfed
+        self.domainBlocking = try container.decodeIfPresent(Bool.self, forKey: .domainBlocking) ?? false
+        // not supported on pixelfed
+        self.showingReblogs = try container.decodeIfPresent(Bool.self, forKey: .showingReblogs) ?? true
         self.endorsed = try container.decodeIfPresent(Bool.self, forKey: .endorsed) ?? false
     }
     

Tusker/Screens/Mute/MuteAccountView.swift

@@ -78,6 +78,7 @@ struct MuteAccountView: View {
             }
             .accessibilityHidden(true)
             
+            if mastodonController.instanceFeatures.muteNotifications {
                 Section {
                     Toggle(isOn: $muteNotifications) {
                         Text("Hide notifications from this person")
@@ -90,6 +91,7 @@ struct MuteAccountView: View {
                     }
                 }
                 .appGroupedListRowBackground()
+            }
             
             Section {
                 Picker(selection: $duration) {

Tusker/Screens/Profile/ProfileStatusesViewController.swift

@@ -9,6 +9,12 @@
 import UIKit
 import Pachyderm
 import Combine
+import OSLog
+#if canImport(Sentry)
+import Sentry
+#endif
+
+private let logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "ProfileStatusesViewController")
 
 class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionViewController, CollectionViewController {
     
@@ -250,10 +256,17 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
         state = .setupInitialSnapshot
         
         Task {
-            if let (all, _) = try? await mastodonController.run(Client.getRelationships(accounts: [accountID])),
-               let relationship = all.first {
+            do {
+                let (all, _) = try await mastodonController.run(Client.getRelationships(accounts: [accountID]))
+                if let relationship = all.first {
                     self.mastodonController.persistentContainer.addOrUpdate(relationship: relationship)
                 }
+            } catch {
+                logger.error("Error fetching relationship: \(String(describing: error))")
+                #if canImport(Sentry)
+                SentrySDK.capture(error: error)
+                #endif
+            }
         }
         
         await controller.loadInitial()

Tusker/Screens/Utilities/Previewing.swift

@@ -557,11 +557,14 @@ extension MenuActionProvider {
             return createAction(identifier: "block", title: "Unblock \(displayName)", systemImageName: "circle.slash", handler: handler(false))
         } else {
             let image = UIImage(systemName: "circle.slash")
-            return UIMenu(title: "Block", image: image, children: [
+            var children = [
                 UIAction(title: "Cancel", handler: { _ in }),
                 UIAction(title: "Block \(displayName)", image: image, attributes: .destructive, handler: handler(true)),
-                UIAction(title: "Block \(host)", image: image, attributes: .destructive, handler: domainHandler(true))
-            ])
+            ]
+            if mastodonController.instanceFeatures.blockDomains {
+                children.append(UIAction(title: "Block \(host)", image: image, attributes: .destructive, handler: domainHandler(true)))
+            }
+            return UIMenu(title: "Block", image: image, children: children)
         }
     }
     
@@ -592,7 +595,8 @@ extension MenuActionProvider {
     @MainActor
     private func hideReblogsAction(for relationship: RelationshipMO, mastodonController: MastodonController) -> UIMenuElement? {
         // don't show action for people that the user isn't following and isn't already hiding reblogs for
-        guard relationship.following || relationship.showingReblogs else {
+        guard relationship.following || relationship.showingReblogs,
+              mastodonController.instanceFeatures.hideReblogs else {
             return nil
         }
         let title = relationship.showingReblogs ? "Hide Reblogs" : "Show Reblogs"