feat: Display online user count in pull-to-refresh view

V2er.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		28B24CA92EA3460D00F82B2A /* BalanceView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 28B24CA82EA3460D00F82B2A /* BalanceView.swift */; };
+		28B24CAB2EA3561400F82B2A /* OnlineStatsInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = 28B24CAA2EA3561400F82B2A /* OnlineStatsInfo.swift */; };
 		28CC76CC2E963D6700C939B5 /* FilterMenuView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A490A3E111D941C4B30F0BACA6B5E984 /* FilterMenuView.swift */; };
 		4E55BE8A29D45FC00044389C /* Kingfisher in Frameworks */ = {isa = PBXBuildFile; productRef = 4E55BE8929D45FC00044389C /* Kingfisher */; };
 		4EC32AF029D81863003A3BD4 /* WebView in Frameworks */ = {isa = PBXBuildFile; productRef = 4EC32AEF29D81863003A3BD4 /* WebView */; };
@@ -170,6 +171,7 @@
 
 /* Begin PBXFileReference section */
 		28B24CA82EA3460D00F82B2A /* BalanceView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BalanceView.swift; sourceTree = "<group>"; };
+		28B24CAA2EA3561400F82B2A /* OnlineStatsInfo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OnlineStatsInfo.swift; sourceTree = "<group>"; };
 		4EC32AF129D818FC003A3BD4 /* WebBrowserView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WebBrowserView.swift; sourceTree = "<group>"; };
 		5D02BD5E26909146007B6A1B /* LoadmoreIndicatorView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadmoreIndicatorView.swift; sourceTree = "<group>"; };
 		5D04BF9626C9FB6E0005F7E3 /* FeedInfo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedInfo.swift; sourceTree = "<group>"; };
@@ -581,6 +583,7 @@
 		5DA2AD3A26C17EFE007FB1EF /* Model */ = {
 			isa = PBXGroup;
 			children = (
+				28B24CAA2EA3561400F82B2A /* OnlineStatsInfo.swift */,
 				5D3CD31E26D0F5F600B3C2D3 /* BaseModel.swift */,
 				5D04BF9626C9FB6E0005F7E3 /* FeedInfo.swift */,
 				5D3CD32026D0F9CC00B3C2D3 /* TabInfo.swift */,
@@ -887,6 +890,7 @@
 				5D3CD32126D0F9CC00B3C2D3 /* TabInfo.swift in Sources */,
 				5D0A513F26E36F15006F3D9B /* FeedDetailActions.swift in Sources */,
 				5DA2AD3726C17EB9007FB1EF /* AppState.swift in Sources */,
+				28B24CAB2EA3561400F82B2A /* OnlineStatsInfo.swift in Sources */,
 				5D71DF59247C155400B53ED4 /* MessagePage.swift in Sources */,
 				5DA2AD4626C18208007FB1EF /* MeState.swift in Sources */,
 				5D88D5DA26C200FB00302265 /* FeedReducer.swift in Sources */,

V2er/State/DataFlow/Model/OnlineStatsInfo.swift

@@ -0,0 +1,70 @@
+//
+//  OnlineStatsInfo.swift
+//  V2er
+//
+//  Created by ghui on 2025/10/18.
+//  Copyright © 2025 lessmore.io. All rights reserved.
+//
+
+import Foundation
+import SwiftSoup
+
+public struct OnlineStatsInfo: BaseModel, Codable {
+    var rawData: String?
+    var onlineCount: Int = 0
+    var maxRecord: Int = 0
+
+    init() {}
+
+    enum CodingKeys: String, CodingKey {
+        case onlineCount, maxRecord
+    }
+
+    init?(from html: Element?) {
+        guard let root = html else {
+            log("OnlineStatsInfo: root element is nil")
+            return nil
+        }
+
+        // Parse from footer HTML
+        // Structure: <strong>... 2576 人在线</strong> &nbsp; <span class="fade">最高记录 6679</span>
+
+        // Get all text content from the page
+        let pageText = root.value(.text)
+
+        // Extract online count using simple pattern matching
+        // Pattern: "数字 人在线"
+        let onlinePattern = "(\\d+)\\s*人在线"
+        if let regex = try? NSRegularExpression(pattern: onlinePattern) {
+            let nsText = pageText as NSString
+            let matches = regex.matches(in: pageText, range: NSRange(location: 0, length: nsText.length))
+            if let match = matches.first, match.numberOfRanges > 1 {
+                let numberStr = nsText.substring(with: match.range(at: 1))
+                onlineCount = Int(numberStr.replacingOccurrences(of: ",", with: "")) ?? 0
+                log("OnlineStatsInfo: Found online count = \(onlineCount)")
+            }
+        }
+
+        // Extract max record
+        let maxPattern = "最高记录\\s+(\\d+)"
+        if let regex = try? NSRegularExpression(pattern: maxPattern) {
+            let nsText = pageText as NSString
+            let matches = regex.matches(in: pageText, range: NSRange(location: 0, length: nsText.length))
+            if let match = matches.first, match.numberOfRanges > 1 {
+                let numberStr = nsText.substring(with: match.range(at: 1))
+                maxRecord = Int(numberStr.replacingOccurrences(of: ",", with: "")) ?? 0
+                log("OnlineStatsInfo: Found max record = \(maxRecord)")
+            }
+        }
+
+        // If we didn't find the data, return nil
+        if onlineCount == 0 {
+            log("OnlineStatsInfo: Parse failed, onlineCount = 0")
+            return nil
+        }
+    }
+
+    func isValid() -> Bool {
+        return onlineCount > 0
+    }
+}

V2er/State/DataFlow/Reducers/FeedReducer.swift

@@ -58,6 +58,13 @@ func feedStateReducer(_ state: FeedState, _ action: Action) -> (FeedState, Actio
             followingAction = FeedActions.FetchData.Start(isFromFilterChange: true)
         case let action as FeedActions.ToggleFilterMenu:
             state.showFilterMenu.toggle()
+        case let action as FeedActions.FetchOnlineStats.Done:
+            if case .success(let onlineStats) = action.result {
+                state.onlineStats = onlineStats
+                log("FeedReducer: Received online stats: \(String(describing: onlineStats))")
+            } else if case .failure(let error) = action.result {
+                log("FeedReducer: Failed to fetch online stats: \(error)")
+            }
         default:
             break
     }
@@ -138,4 +145,21 @@ struct FeedActions {
         var target: Reducer = reducer
     }
 
+    struct FetchOnlineStats {
+        struct Start: AwaitAction {
+            var target: Reducer = reducer
+
+            func execute(in store: Store) async {
+                let result: APIResult<OnlineStatsInfo> = await APIService.shared
+                    .htmlGet(endpoint: .onlineStats)
+                dispatch(FetchOnlineStats.Done(result: result))
+            }
+        }
+
+        struct Done: Action {
+            var target: Reducer = reducer
+            let result: APIResult<OnlineStatsInfo>
+        }
+    }
+
 }

V2er/State/DataFlow/State/FeedState.swift

@@ -19,4 +19,5 @@ struct FeedState: FluxState {
     var selectedTab: Tab = Tab.getSelectedTab()
     var showFilterMenu: Bool = false
     var scrollToTop: Int = 0  // Trigger scroll to top when changed
+    var onlineStats: OnlineStatsInfo? = nil
 }

V2er/State/Networking/Endpoint.swift

@@ -32,6 +32,7 @@ enum Endpoint {
     case starNode(id: String), dailyMission
     case checkin, downMyTopic(id: String), pinTopic(id: String)
     case balance
+    case onlineStats
     case search
     case general(url: String)
 
@@ -150,6 +151,9 @@ enum Endpoint {
                 info.path = "/sticky/topic/\(id)"
             case .balance:
                 info.path = "/balance"
+            case .onlineStats:
+                info.path = "/"
+                info.ua = .web
             case let .search:
                 info.path = "https://www.sov2ex.com/api/search"
             case let .general(url):

V2er/View/Feed/FeedPage.swift

@@ -44,8 +44,10 @@ struct FeedPage: BaseHomePageView {
                 }
             }
         }
-        .updatable(autoRefresh: state.showProgressView, hasMoreData: state.hasMoreData, max(state.scrollToTop, scrollTop(tab: .feed))) {
+        .updatable(autoRefresh: state.showProgressView, hasMoreData: state.hasMoreData, max(state.scrollToTop, scrollTop(tab: .feed)), onlineStats: state.onlineStats) {
             if AccountState.hasSignIn() {
+                // Fetch online stats in parallel with feed data
+                Task { await run(action: FeedActions.FetchOnlineStats.Start()) }
                 await run(action: FeedActions.FetchData.Start())
             }
         } loadMore: {

V2er/View/Widget/Updatable/HeadIndicatorView.swift

@@ -13,26 +13,34 @@ struct HeadIndicatorView: View {
     var scrollY: CGFloat
     @Binding var progress: CGFloat
     @Binding var isRefreshing: Bool
-
+    var onlineStats: OnlineStatsInfo?
+
     var offset: CGFloat {
         return isRefreshing ? (0 - scrollY) : -height
     }
-    
-    init(threshold: CGFloat, progress: Binding<CGFloat>, scrollY: CGFloat,isRefreshing: Binding<Bool>) {
+
+    init(threshold: CGFloat, progress: Binding<CGFloat>, scrollY: CGFloat, isRefreshing: Binding<Bool>, onlineStats: OnlineStatsInfo? = nil) {
         self.height = threshold
         self.scrollY = scrollY
         self._progress = progress
         self._isRefreshing = isRefreshing
+        self.onlineStats = onlineStats
     }
-    
+
     var body: some View {
-        Group {
+        VStack(spacing: 4) {
             if progress == 1 || isRefreshing {
                 ActivityIndicator()
             } else {
                 Image(systemName: "arrow.down")
                     .font(.title2.weight(.regular))
             }
+
+            if let stats = onlineStats, stats.isValid() {
+                Text("\(stats.onlineCount) 人在线")
+                    .font(.caption)
+                    .foregroundColor(.secondaryText)
+            }
         }
         .frame(height: height)
         .offset(y: offset)

V2er/View/Widget/Updatable/UpdatableView.swift

@@ -30,6 +30,7 @@ struct UpdatableView<Content: View>: View {
     let damper: Float = 1.2
     @State var hapticed = false
     let state: UpdatableState
+    let onlineStats: OnlineStatsInfo?
 
     private var refreshable: Bool {
         return onRefresh != nil
@@ -43,12 +44,14 @@ struct UpdatableView<Content: View>: View {
                      onLoadMore: LoadMoreAction,
                      onScroll: ScrollAction?,
                      state: UpdatableState,
+                     onlineStats: OnlineStatsInfo? = nil,
                      @ViewBuilder content: () -> Content) {
         self.onRefresh = onRefresh
         self.onLoadMore = onLoadMore
         self.onScroll = onScroll
         self.content = content()
         self.state = state
+        self.onlineStats = onlineStats
     }
 
     var body: some View {
@@ -68,7 +71,7 @@ struct UpdatableView<Content: View>: View {
                     }
                     .alignmentGuide(.top, computeValue: { d in (self.isRefreshing ? (-self.threshold + scrollY) : 0.0) })
                     if refreshable {
-                        HeadIndicatorView(threshold: threshold, progress: $progress, scrollY: scrollY, isRefreshing: $isRefreshing)
+                        HeadIndicatorView(threshold: threshold, progress: $progress, scrollY: scrollY, isRefreshing: $isRefreshing, onlineStats: onlineStats)
                     }
                 }
             }
@@ -197,37 +200,39 @@ extension View {
     public func updatable(autoRefresh: Bool = false,
                           hasMoreData: Bool = true,
                           _ scrollToTop: Int = 0,
+                          onlineStats: OnlineStatsInfo? = nil,
                           refresh: RefreshAction = nil,
                           loadMore: LoadMoreAction = nil,
                           onScroll: ScrollAction? = nil) -> some View {
         let state = UpdatableState(hasMoreData: hasMoreData, showLoadingView: autoRefresh, scrollToTop: scrollToTop)
-        return self.modifier(UpdatableModifier(onRefresh: refresh, onLoadMore: loadMore, onScroll: onScroll, state: state))
+        return self.modifier(UpdatableModifier(onRefresh: refresh, onLoadMore: loadMore, onScroll: onScroll, state: state, onlineStats: onlineStats))
     }
 
     public func updatable(_ state: UpdatableState,
+                          onlineStats: OnlineStatsInfo? = nil,
                           refresh: RefreshAction = nil,
                           loadMore: LoadMoreAction = nil,
                           onScroll: ScrollAction? = nil) -> some View {
-        let modifier = UpdatableModifier(onRefresh: refresh, onLoadMore: loadMore, onScroll: onScroll, state: state)
+        let modifier = UpdatableModifier(onRefresh: refresh, onLoadMore: loadMore, onScroll: onScroll, state: state, onlineStats: onlineStats)
         return self.modifier(modifier)
     }
 
     public func loadMore(_ state: UpdatableState,
                          _ loadMore: LoadMoreAction = nil,
                          onScroll: ScrollAction? = nil) -> some View {
-        let modifier = UpdatableModifier(onRefresh: nil, onLoadMore: loadMore, onScroll: onScroll, state: state)
+        let modifier = UpdatableModifier(onRefresh: nil, onLoadMore: loadMore, onScroll: onScroll, state: state, onlineStats: nil)
         return self.modifier(modifier)
     }
 
     public func loadMore(autoRefresh: Bool = false,
                          hasMoreData: Bool = true,
                          _ loadMore: LoadMoreAction = nil,
                          onScroll: ScrollAction? = nil) -> some View {
-        self.updatable(autoRefresh: autoRefresh, hasMoreData: hasMoreData, refresh: nil, loadMore: loadMore, onScroll: onScroll)
+        self.updatable(autoRefresh: autoRefresh, hasMoreData: hasMoreData, onlineStats: nil, refresh: nil, loadMore: loadMore, onScroll: onScroll)
     }
 
     public func onScroll(onScroll: ScrollAction?) -> some View {
-        self.updatable(onScroll: onScroll)
+        self.updatable(onlineStats: nil, onScroll: onScroll)
     }
 }
 
@@ -236,10 +241,11 @@ struct UpdatableModifier: ViewModifier {
     let onLoadMore: LoadMoreAction
     let onScroll: ScrollAction?
     let state: UpdatableState
-
+    let onlineStats: OnlineStatsInfo?
+
     func body(content: Content) -> some View {
         UpdatableView(onRefresh: onRefresh, onLoadMore: onLoadMore,
-                      onScroll: onScroll, state: state) {
+                      onScroll: onScroll, state: state, onlineStats: onlineStats) {
             content
         }
     }