index promot

dimensionhub/Views/IndexView.swift

@@ -63,6 +63,11 @@ final class IndexModel {
         }
     }
     
+    enum LoadMoreResult {
+        case success
+        case error(String)
+    }
+    
     var dramas: [DramaItem]
     var showUpdateDramas: [UpdateDramaShowItem]
     var selectedDate: String
@@ -91,7 +96,7 @@ final class IndexModel {
     }
     
     @MainActor
-    func loadMoreUpdateDramas(userId: String, mode: API.LoadMode) async {
+    func loadMoreUpdateDramas(userId: String, mode: API.LoadMode) async -> LoadMoreResult {
         // 按照id来判断不一定正确，需要借助其他值
         let dramaIds = self.getDramaIds(self.updateDramaGroups)
         print("current ids: \(dramaIds)")
@@ -102,19 +107,34 @@ final class IndexModel {
             if let firstId = dramaIds.first {
                 let response = await API.loadMoreUpdateDramas(userId: userId, mode: mode, id: firstId, as: [UpdateDramaGroup].self)
                 if case let .result(groups) = response {
-                    self.updateDramaGroups = preappendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                    if groups.count > 0 {
-                    self.showUpdateDramas = transformGroupUpdateDramas(updateDramaGroups: self.updateDramaGroups)
+                        self.updateDramaGroups = preappendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                        self.showUpdateDramas = transformGroupUpdateDramas(updateDramaGroups: self.updateDramaGroups)
+                        return .success
+                    } else {
+                        return .error("没有更多数据")
+                    }
+                } else {
+                    return .error("加载失败")
                 }
             }
         case .next:
             if let lastId = dramaIds.last {
                 let response = await API.loadMoreUpdateDramas(userId: userId, mode: mode, id: lastId, as: [UpdateDramaGroup].self)
                 if case let .result(groups) = response {
-                    self.updateDramaGroups = appendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                    if groups.count > 0 {
-                    self.showUpdateDramas = transformGroupUpdateDramas(updateDramaGroups: self.updateDramaGroups)
+                        self.updateDramaGroups = appendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                        self.showUpdateDramas = transformGroupUpdateDramas(updateDramaGroups: self.updateDramaGroups)
+                        return .success
+                    } else {
+                        return .error("没有更多数据")
+                    }
+                } else {
+                    return .error("加载失败")
                 }
             }
         }
+        return .success
     }
     
     // 指定日期，并更新日期下对应的数据
@@ -195,6 +215,10 @@ struct IndexView: View {
     @State var isMoreLoading: Bool = false
     // 前向刷新
     @State var isPrevLoading: Bool = false
+    
+    // 提示信息
+    @State var showPrompt: Bool = false
+    @State var promptMessage: String = ""
 
     // 是否显示日期弹出层
     @State private var selectGroupId: String = ""
@@ -287,7 +311,16 @@ struct IndexView: View {
                             if screenBounds.height - frame.minY > 50 && contextFrame.minY > 0 && !isMoreLoading {
                                 Task {
                                     self.isMoreLoading = true
-                                    await self.indexModel.loadMoreUpdateDramas(userId: self.userId, mode: .next)
+                                    let result = await self.indexModel.loadMoreUpdateDramas(userId: self.userId, mode: .next)
+                                    switch result {
+                                    case .success:
+                                        ()
+                                    case .error(let message):
+                                        DispatchQueue.main.async {
+                                            self.showPrompt = true
+                                            self.promptMessage = message
+                                        }
+                                    }
                                     self.isMoreLoading = false
                                 }
                             }
@@ -314,16 +347,27 @@ struct IndexView: View {
 
                 // 上拉刷新功能
                 self.isPrevLoading = true
-                await self.indexModel.loadMoreUpdateDramas(userId: self.userId, mode: .prev)
+                let result = await self.indexModel.loadMoreUpdateDramas(userId: self.userId, mode: .prev)
+                switch result {
+                case .success:
+                    ()
+                case .error(let message):
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
+                        self.showPrompt = true
+                        self.promptMessage = message
+                    }
+                }
                 self.isPrevLoading = false
             }
             
         }
         .frame(width: 370)
         .ignoresSafeArea(edges: .bottom)
+        .alert(isPresented: $showPrompt) {
+            Alert(title: Text("提示"), message: Text(self.promptMessage), dismissButton: .default(Text("Ok")))
+        }
         .task {
             await self.indexModel.loadData(userId: self.userId)
-            //print(userModel)
         }
     }
 }