Add block action to accounts

Closes #208

Pachyderm/Sources/Pachyderm/Model/Account.swift

@@ -112,12 +112,12 @@ public final class Account: AccountProtocol, Decodable {
         return Request<Relationship>(method: .post, path: "/api/v1/accounts/\(accountID)/unfollow")
     }
     
-    public static func block(_ account: Account) -> Request<Relationship> {
+    public static func block(_ accountID: String) -> Request<Relationship> {
-        return Request<Relationship>(method: .post, path: "/api/v1/accounts/\(account.id)/block")
+        return Request<Relationship>(method: .post, path: "/api/v1/accounts/\(accountID)/block")
     }
     
-    public static func unblock(_ account: Account) -> Request<Relationship> {
+    public static func unblock(_ accountID: String) -> Request<Relationship> {
-        return Request<Relationship>(method: .post, path: "/api/v1/accounts/\(account.id)/unblock")
+        return Request<Relationship>(method: .post, path: "/api/v1/accounts/\(accountID)/unblock")
     }
     
     public static func mute(_ account: Account, notifications: Bool? = nil) -> Request<Relationship> {

Tusker/Screens/Utilities/Previewing.swift

@@ -42,46 +42,6 @@ extension MenuActionProvider {
         guard let mastodonController = mastodonController,
             let account = mastodonController.persistentContainer.account(for: accountID) else { return [] }
         
-        guard let loggedInAccountID = mastodonController.accountInfo?.id else {
-            // user is logged out
-            return [
-                openInSafariAction(url: account.url),
-                createAction(identifier: "share", title: "Share", systemImageName: "square.and.arrow.up", handler: { [weak self, weak sourceView] (_) in
-                    guard let self = self else { return }
-                    self.navigationDelegate?.showMoreOptions(forAccount: accountID, sourceView: sourceView)
-                })
-            ]
-        }
-        
-        let actionsSection: [UIMenuElement] = [
-            createAction(identifier: "sendmessage", title: "Send Message", systemImageName: "envelope", handler: { [weak self] (_) in
-                guard let self = self else { return }
-                let draft = self.mastodonController!.createDraft(mentioningAcct: account.acct)
-                draft.visibility = .direct
-                self.navigationDelegate?.compose(editing: draft)
-            }),
-            UIDeferredMenuElement.uncached({ @MainActor [unowned self] elementHandler in
-                let relationship = Task {
-                    await fetchRelationship(accountID: accountID, mastodonController: mastodonController)
-                }
-                // workaround for #198, may result in showing outdated relationship, so only do so where necessary
-                if ProcessInfo.processInfo.isiOSAppOnMac,
-                    let mo = mastodonController.persistentContainer.relationship(forAccount: accountID),
-                   let action = self.followAction(for: mo, mastodonController: mastodonController) {
-                    elementHandler([action])
-                } else {
-                    Task { @MainActor in
-                        if let relationship = await relationship.value,
-                           let action = self.followAction(for: relationship, mastodonController: mastodonController) {
-                            elementHandler([action])
-                        } else {
-                            elementHandler([])
-                        }
-                    }
-                }
-            })
-        ]
-        
         var shareSection = [
             openInSafariAction(url: account.url),
             createAction(identifier: "share", title: "Share", systemImageName: "square.and.arrow.up", handler: { [weak self, weak sourceView] (_) in
@@ -90,11 +50,32 @@ extension MenuActionProvider {
             })
         ]
         
+        guard let loggedInAccountID = mastodonController.accountInfo?.id else {
+            // user is logged out
+            return shareSection
+        }
+        
+        var actionsSection: [UIMenuElement] = [
+            createAction(identifier: "sendmessage", title: "Send Message", systemImageName: "envelope", handler: { [weak self] (_) in
+                guard let self = self else { return }
+                let draft = self.mastodonController!.createDraft(mentioningAcct: account.acct)
+                draft.visibility = .direct
+                self.navigationDelegate?.compose(editing: draft)
+            })
+        ]
+        var suppressSection: [UIMenuElement] = []
+        
+        if accountID != loggedInAccountID {
+            actionsSection.append(relationshipAction(accountID: accountID, mastodonController: mastodonController, builder: { [unowned self] in self.followAction(for: $0, mastodonController: $1) }))
+            suppressSection.append(relationshipAction(accountID: accountID, mastodonController: mastodonController, builder: { [unowned self] in self.blockAction(for: $0, mastodonController: $1) }))
+        }
+        
         addOpenInNewWindow(actions: &shareSection, activity: UserActivityManager.showProfileActivity(id: accountID, accountID: loggedInAccountID))
         
         return [
-            UIMenu(title: "", image: nil, identifier: nil, options: [.displayInline], children: shareSection),
+            UIMenu(options: .displayInline, children: shareSection),
-            UIMenu(title: "", image: nil, identifier: nil, options: [.displayInline], children: actionsSection),
+            UIMenu(options: .displayInline, children: actionsSection),
+            UIMenu(options: .displayInline, children: suppressSection),
         ]
     }
     
@@ -367,12 +348,29 @@ extension MenuActionProvider {
         })
     }
     
-    @MainActor
+    private func relationshipAction(accountID: String, mastodonController: MastodonController, builder: @escaping @MainActor (RelationshipMO, MastodonController) -> UIMenuElement) -> UIDeferredMenuElement {
-    private func followAction(for relationship: RelationshipMO, mastodonController: MastodonController) -> UIMenuElement? {
+        return UIDeferredMenuElement.uncached({ @MainActor elementHandler in
-        guard let ownAccount = mastodonController.account,
+            let relationship = Task {
-              relationship.accountID != ownAccount.id else {
+                await fetchRelationship(accountID: accountID, mastodonController: mastodonController)
-            return nil
             }
+            // workaround for #198, may result in showing outdated relationship, so only do so where necessary
+            if ProcessInfo.processInfo.isiOSAppOnMac,
+               let mo = mastodonController.persistentContainer.relationship(forAccount: accountID) {
+                elementHandler([builder(mo, mastodonController)])
+            } else {
+                Task { @MainActor in
+                    if let relationship = await relationship.value {
+                        elementHandler([builder(relationship, mastodonController)])
+                    } else {
+                        elementHandler([])
+                    }
+                }
+            }
+        })
+    }
+    
+    @MainActor
+    private func followAction(for relationship: RelationshipMO, mastodonController: MastodonController) -> UIMenuElement {
         let accountID = relationship.accountID
         let following = relationship.following
         return createAction(identifier: "follow", title: following ? "Unfollow" : "Follow", systemImageName: following ? "person.badge.minus" : "person.badge.plus") { _ in
@@ -393,6 +391,36 @@ extension MenuActionProvider {
         }
     }
     
+    @MainActor
+    private func blockAction(for relationship: RelationshipMO, mastodonController: MastodonController) -> UIMenuElement {
+        let accountID = relationship.accountID
+        let blocking = relationship.blocking
+        let handler = { (_: UIAction) in
+            let request = (blocking ? Account.unblock : Account.block)(accountID)
+            mastodonController.run(request) { response in
+                switch response {
+                case .failure(let error):
+                    if let toastable = self.toastableViewController {
+                        let config = ToastConfiguration(from: error, with: "Error \(blocking ? "Unb" : "B")locking", in: toastable, retryAction: nil)
+                        DispatchQueue.main.async {
+                            toastable.showToast(configuration: config, animated: true)
+                        }
+                    }
+                case .success(let relationship, _):
+                    mastodonController.persistentContainer.addOrUpdate(relationship: relationship)
+                }
+            }
+        }
+        if blocking {
+            return createAction(identifier: "block", title: "Unblock", systemImageName: "circle.slash", handler: handler)
+        } else {
+            return UIMenu(title: "Block", image: UIImage(systemName: "circle.slash"), children: [
+                UIAction(title: "Cancel", handler: { _ in }),
+                UIAction(title: "Block \(relationship.account!.displayOrUserName)", image: UIImage(systemName: "circle.slash"), attributes: .destructive, handler: handler),
+            ])
+        }
+    }
+    
 }
 
 private func fetchRelationship(accountID: String, mastodonController: MastodonController) async -> RelationshipMO? {