Editor character count + settings instance rules

IceCubesApp/App/IceCubesApp.swift

@@ -11,6 +11,7 @@ struct IceCubesApp: App {
     
   @Environment(\.scenePhase) private var scenePhase
   @StateObject private var appAccountsManager = AppAccountsManager()
+  @StateObject private var currenInstance = CurrentInstance()
   @StateObject private var currentAccount = CurrentAccount()
   @StateObject private var watcher = StreamWatcher()
   @StateObject private var quickLook = QuickLook()
@@ -56,6 +57,7 @@ struct IceCubesApp: App {
       .environmentObject(appAccountsManager.currentClient)
       .environmentObject(quickLook)
       .environmentObject(currentAccount)
+      .environmentObject(currenInstance)
       .environmentObject(theme)
       .environmentObject(watcher)
       .quickLookPreview($quickLook.url, in: quickLook.urls)
@@ -67,6 +69,7 @@ struct IceCubesApp: App {
   
   private func setNewClientsInEnv(client: Client) {
     currentAccount.setClient(client: client)
+    currenInstance.setClient(client: client)
     watcher.setClient(client: client)
   }
   

IceCubesApp/App/Tabs/Settings/SettingsTab.swift

@@ -9,12 +9,12 @@ import DesignSystem
 struct SettingsTabs: View {
   @Environment(\.openURL) private var openURL
   @EnvironmentObject private var client: Client
+  @EnvironmentObject private var currentInstance: CurrentInstance
   @EnvironmentObject private var appAccountsManager: AppAccountsManager
   @EnvironmentObject private var theme: Theme
   
   @State private var signInInProgress = false
   @State private var accountData: Account?
-  @State private var instanceData: Instance?
   @State private var signInServer = IceCubesApp.defaultServer
   
   var body: some View {
@@ -37,7 +37,7 @@ struct SettingsTabs: View {
       if appAccountsManager.currentAccount.oauthToken != nil {
         signInInProgress = true
         await refreshAccountInfo()
-        await refreshInstanceInfo()
+        await currentInstance.fetchCurrentInstance()
         signInInProgress = false
       }
     }
@@ -77,7 +77,7 @@ struct SettingsTabs: View {
   
   @ViewBuilder
   private var instanceSection: some View {
-    if let instanceData {
+    if let instanceData = currentInstance.instance {
       Section("Instance info") {
         LabeledContent("Name", value: instanceData.title)
         Text(instanceData.shortDescription)
@@ -87,6 +87,12 @@ struct SettingsTabs: View {
         LabeledContent("Posts", value: "\(instanceData.stats.statusCount)")
         LabeledContent("Domains", value: "\(instanceData.stats.domainCount)")
       }
+      
+      Section("Instance rules") {
+        ForEach(instanceData.rules) { rule in
+          Text(rule.text)
+        }
+      }
     }
   }
   
@@ -127,7 +133,6 @@ struct SettingsTabs: View {
   
   private var signOutButton: some View {
     Button {
-      instanceData = nil
       accountData = nil
       appAccountsManager.delete(account: appAccountsManager.currentAccount)
     } label: {
@@ -151,7 +156,7 @@ struct SettingsTabs: View {
       let oauthToken = try await client.continueOauthFlow(url: url)
       appAccountsManager.add(account: AppAccount(server: client.server, oauthToken: oauthToken))
       await refreshAccountInfo()
-      await refreshInstanceInfo()
+      await currentInstance.fetchCurrentInstance()
       signInInProgress = false
     } catch {
       signInInProgress = false
@@ -161,8 +166,4 @@ struct SettingsTabs: View {
   private func refreshAccountInfo() async {
     accountData = try? await client.get(endpoint: Accounts.verifyCredentials)
   }
-  
-  private func refreshInstanceInfo() async {
-    instanceData = try? await client.get(endpoint: Instances.instance)
-  }
 }

Packages/Env/Sources/Env/CurrentInstance.swift

@@ -0,0 +1,28 @@
+import Foundation
+import Models
+import Network
+
+@MainActor
+public class CurrentInstance: ObservableObject {
+  @Published public private(set) var instance: Instance?
+  
+  private var client: Client?
+  
+  public init() {
+    
+  }
+  
+  public func setClient(client: Client) {
+    self.client = client
+    Task {
+      await fetchCurrentInstance()
+    }
+  }
+  
+  public func fetchCurrentInstance() async {
+    guard let client = client else { return }
+    Task {
+      instance = try? await client.get(endpoint: Instances.instance)
+    }
+  }
+}

Packages/Models/Sources/Models/Instance.swift

@@ -7,6 +7,28 @@ public struct Instance: Codable {
     public let domainCount: Int
   }
   
+  public struct Configuration: Codable {
+    public struct Statuses: Codable {
+      public let maxCharacters: Int
+      public let maxMediaAttachments: Int
+    }
+    
+    public struct Polls: Codable {
+      public let maxOptions: Int
+      public let maxCharactersPerOption: Int
+      public let minExpiration: Int
+      public let maxExpiration: Int
+    }
+    
+    public let statuses: Statuses
+    public let polls: Polls
+  }
+  
+  public struct Rule: Codable, Identifiable {
+    public let id: String
+    public let text: String
+  }
+  
   public let title: String
   public let shortDescription: String
   public let email: String
@@ -15,4 +37,6 @@ public struct Instance: Codable {
   public let languages: [String]
   public let registrations: Bool
   public let thumbnail: URL?
+  public let configuration: Configuration
+  public let rules: [Rule]
 }

Packages/Status/Sources/Status/Editor/StatusEditorView.swift

@@ -11,6 +11,7 @@ import NukeUI
 public struct StatusEditorView: View {
   @EnvironmentObject private var quicklook: QuickLook
   @EnvironmentObject private var client: Client
+  @EnvironmentObject private var currentInstance: CurrentInstance
   @EnvironmentObject private var currentAccount: CurrentAccount
   @Environment(\.dismiss) private var dismiss
   
@@ -196,9 +197,11 @@ public struct StatusEditorView: View {
           Image(systemName: "number")
         }
         
+        visibilityMenu
+
         Spacer()
         
-        visibilityMenu
+        characterCountView
       }
       .padding(.horizontal, DS.Constants.layoutPadding)
       .padding(.vertical, 12)
@@ -206,6 +209,12 @@ public struct StatusEditorView: View {
     }
   }
   
+  private var characterCountView: some View {
+    Text("\((currentInstance.instance?.configuration.statuses.maxCharacters ?? 500) - viewModel.statusText.string.utf16.count)")
+      .foregroundColor(.gray)
+      .font(.callout)
+  }
+  
   private var visibilityMenu: some View {
     Menu {
       ForEach(Models.Visibility.allCases, id: \.self) { visibility in