connect to search

yobble/Network/SearchModels.swift

@@ -0,0 +1,54 @@
+import Foundation
+
+struct SearchDataPayload: Decodable {
+    let users: [UserSearchResult]
+}
+
+struct UserSearchResult: Decodable, Identifiable {
+    let userId: UUID
+    let login: String
+    let fullName: String?
+    let customName: String?
+    let createdAt: Date?
+    let profile: SearchProfile?
+
+    var id: UUID { userId }
+}
+
+struct SearchProfile: Decodable {
+    let userId: UUID
+    let login: String?
+    let fullName: String?
+    let customName: String?
+    let bio: String?
+    let lastSeen: Int?
+    let createdAt: Date?
+}
+
+extension UserSearchResult {
+    var displayName: String {
+        if let customName = customName, !customName.isEmpty {
+            return customName
+        }
+        if let fullName = fullName, !fullName.isEmpty {
+            return fullName
+        }
+        if let profileName = profile?.customName, !profileName.isEmpty {
+            return profileName
+        }
+        if let profileFullName = profile?.fullName, !profileFullName.isEmpty {
+            return profileFullName
+        }
+        return "@\(login)"
+    }
+
+    var secondaryText: String? {
+        if let fullName = fullName, !fullName.isEmpty, fullName != displayName {
+            return fullName
+        }
+        if let profileLogin = profile?.login, !profileLogin.isEmpty, profileLogin != login {
+            return "@\(profileLogin)"
+        }
+        return nil
+    }
+}

yobble/Network/SearchService.swift

@@ -0,0 +1,171 @@
+import Foundation
+
+enum SearchServiceError: LocalizedError {
+    case unexpectedStatus(String)
+    case decoding(debugDescription: String)
+
+    var errorDescription: String? {
+        switch self {
+        case .unexpectedStatus(let message):
+            return message
+        case .decoding(let debugDescription):
+            return AppConfig.DEBUG
+                ? debugDescription
+                : NSLocalizedString("Не удалось выполнить поиск.", comment: "Search service decoding error")
+        }
+    }
+}
+
+final class SearchService {
+    private let client: NetworkClient
+    private let decoder: JSONDecoder
+
+    init(client: NetworkClient = .shared) {
+        self.client = client
+        self.decoder = JSONDecoder()
+        self.decoder.keyDecodingStrategy = .convertFromSnakeCase
+        self.decoder.dateDecodingStrategy = .custom(Self.decodeDate)
+    }
+
+    func search(query: String, completion: @escaping (Result<SearchDataPayload, Error>) -> Void) {
+        let trimmedQuery = query.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !trimmedQuery.isEmpty else {
+            completion(.success(SearchDataPayload(users: [])))
+            return
+        }
+
+        client.request(
+            path: "/v1/feed/search",
+            method: .get,
+            query: ["query": trimmedQuery],
+            requiresAuth: true
+        ) { [decoder] result in
+            switch result {
+            case .success(let response):
+                do {
+                    let apiResponse = try decoder.decode(APIResponse<SearchDataPayload>.self, from: response.data)
+                    guard apiResponse.status == "fine" else {
+                        let message = apiResponse.detail ?? NSLocalizedString("Не удалось найти результаты.", comment: "Search unexpected status")
+                        completion(.failure(SearchServiceError.unexpectedStatus(message)))
+                        return
+                    }
+                    completion(.success(apiResponse.data))
+                } catch {
+                    let debugMessage = Self.describeDecodingError(error: error, data: response.data)
+                    if AppConfig.DEBUG {
+                        print("[SearchService] decode search response failed: \(debugMessage)")
+                    }
+                    completion(.failure(SearchServiceError.decoding(debugDescription: debugMessage)))
+                }
+            case .failure(let error):
+                if case let NetworkError.server(_, data) = error,
+                   let data,
+                   let message = Self.errorMessage(from: data) {
+                    completion(.failure(SearchServiceError.unexpectedStatus(message)))
+                    return
+                }
+                completion(.failure(error))
+            }
+        }
+    }
+
+    func search(query: String) async throws -> SearchDataPayload {
+        try await withCheckedThrowingContinuation { continuation in
+            search(query: query) { result in
+                continuation.resume(with: result)
+            }
+        }
+    }
+
+    private static func decodeDate(from decoder: Decoder) throws -> Date {
+        let container = try decoder.singleValueContainer()
+        let string = try container.decode(String.self)
+        if let date = iso8601WithFractionalSeconds.date(from: string) {
+            return date
+        }
+        if let date = iso8601Simple.date(from: string) {
+            return date
+        }
+        throw DecodingError.dataCorruptedError(
+            in: container,
+            debugDescription: "Невозможно декодировать дату: \(string)"
+        )
+    }
+
+    private static func describeDecodingError(error: Error, data: Data) -> String {
+        var parts: [String] = []
+
+        if let decodingError = error as? DecodingError {
+            parts.append(decodingDescription(from: decodingError))
+        } else {
+            parts.append(error.localizedDescription)
+        }
+
+        if let payload = truncatedPayload(from: data) {
+            parts.append("payload=\(payload)")
+        }
+
+        return parts.joined(separator: "\n")
+    }
+
+    private static func decodingDescription(from error: DecodingError) -> String {
+        switch error {
+        case .typeMismatch(let type, let context):
+            return "Type mismatch for \(type) at \(codingPath(from: context)): \(context.debugDescription)"
+        case .valueNotFound(let type, let context):
+            return "Value not found for \(type) at \(codingPath(from: context)): \(context.debugDescription)"
+        case .keyNotFound(let key, let context):
+            return "Missing key '\(key.stringValue)' at \(codingPath(from: context)): \(context.debugDescription)"
+        case .dataCorrupted(let context):
+            return "Corrupted data at \(codingPath(from: context)): \(context.debugDescription)"
+        @unknown default:
+            return error.localizedDescription
+        }
+    }
+
+    private static func codingPath(from context: DecodingError.Context) -> String {
+        let path = context.codingPath.map { $0.stringValue }.filter { !$0.isEmpty }
+        return path.isEmpty ? "root" : path.joined(separator: ".")
+    }
+
+    private static func truncatedPayload(from data: Data, limit: Int = 512) -> String? {
+        guard let string = String(data: data, encoding: .utf8)?.trimmingCharacters(in: .whitespacesAndNewlines),
+              !string.isEmpty else {
+            return nil
+        }
+
+        if string.count <= limit {
+            return string
+        }
+
+        let index = string.index(string.startIndex, offsetBy: limit)
+        return String(string[string.startIndex..<index]) + "…"
+    }
+
+    private static let iso8601WithFractionalSeconds: ISO8601DateFormatter = {
+        let formatter = ISO8601DateFormatter()
+        formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
+        return formatter
+    }()
+
+    private static let iso8601Simple: ISO8601DateFormatter = {
+        let formatter = ISO8601DateFormatter()
+        formatter.formatOptions = [.withInternetDateTime]
+        return formatter
+    }()
+
+    private static func errorMessage(from data: Data) -> String? {
+        if let apiError = try? JSONDecoder().decode(ErrorResponse.self, from: data) {
+            if let detail = apiError.detail, !detail.isEmpty {
+                return detail
+            }
+            if let message = apiError.data?.message, !message.isEmpty {
+                return message
+            }
+        }
+        if let string = String(data: data, encoding: .utf8), !string.isEmpty {
+            return string
+        }
+        return nil
+    }
+}

yobble/Resources/Localizable.xcstrings

@@ -384,6 +384,9 @@
         }
       }
     },
+    "Ищем пользователей…" : {
+      "comment" : "Global search loading"
+    },
     "Как сбросить пароль?" : {
       "comment" : "FAQ question: reset password"
     },
@@ -539,6 +542,9 @@
         }
       }
     },
+    "Не удалось выполнить поиск." : {
+      "comment" : "Search error fallback\nSearch service decoding error"
+    },
     "Не удалось загрузить список чатов." : {
       "localizations" : {
         "en" : {
@@ -559,6 +565,9 @@
         }
       }
     },
+    "Не удалось найти результаты." : {
+      "comment" : "Search unexpected status"
+    },
     "Не удалось обновить пароль." : {
       "localizations" : {
         "en" : {
@@ -736,7 +745,7 @@
       }
     },
     "Ничего не найдено" : {
-      "comment" : "Global search placeholder"
+      "comment" : "Global search empty state"
     },
     "Новый пароль" : {
       "comment" : "Новый пароль",
@@ -853,6 +862,7 @@
       }
     },
     "Ошибка соединения с сервером." : {
+      "comment" : "Search error connection",
       "localizations" : {
         "en" : {
           "stringUnit" : {
@@ -966,6 +976,9 @@
     },
     "Поиск" : {
 
+    },
+    "Поиск отменён." : {
+      "comment" : "Search cancelled"
     },
     "Пока что у вас нет чатов" : {
       "localizations" : {
@@ -1056,6 +1069,9 @@
         }
       }
     },
+    "Произошла неизвестная ошибка." : {
+      "comment" : "Search unknown error"
+    },
     "Произошла ошибка." : {
       "localizations" : {
         "en" : {
@@ -1143,6 +1159,9 @@
     "Связаться с разработчиками" : {
       "comment" : "FAQ: contact developers link"
     },
+    "Сервер вернул ошибку (%d)." : {
+      "comment" : "Search error server status"
+    },
     "Сервер не отвечает. Попробуйте позже." : {
       "localizations" : {
         "en" : {
@@ -1154,6 +1173,7 @@
       }
     },
     "Сессия истекла. Войдите снова." : {
+      "comment" : "Search error unauthorized",
       "localizations" : {
         "en" : {
           "stringUnit" : {

yobble/Views/Tab/ChatsTab.swift

@@ -14,10 +14,15 @@ struct ChatsTab: View {
     var currentUserId: String?
     @Binding var searchRevealProgress: CGFloat
     @Binding var searchText: String
+    private let searchService = SearchService()
     @StateObject private var viewModel = PrivateChatsViewModel()
     @State private var selectedChatId: String?
     @State private var searchDragStartProgress: CGFloat = 0
     @State private var isSearchGestureActive: Bool = false
+    @State private var globalSearchResults: [UserSearchResult] = []
+    @State private var isGlobalSearchLoading: Bool = false
+    @State private var globalSearchError: String?
+    @State private var globalSearchTask: Task<Void, Never>? = nil
 
     private let searchRevealDistance: CGFloat = 90
 
@@ -32,10 +37,18 @@ struct ChatsTab: View {
             .background(Color(UIColor.systemBackground))
             .onAppear {
                 viewModel.loadInitialChats()
+                handleSearchQueryChange(searchText)
             }
             .onReceive(NotificationCenter.default.publisher(for: .debugRefreshChats)) { _ in
                 viewModel.refresh()
             }
+            .onChange(of: searchText) { newValue in
+                handleSearchQueryChange(newValue)
+            }
+            .onDisappear {
+                globalSearchTask?.cancel()
+                globalSearchTask = nil
+            }
     }
 
     @ViewBuilder
@@ -93,13 +106,7 @@ struct ChatsTab: View {
                 }
 
                 Section(header: globalSearchHeader) {
-                    Text(NSLocalizedString("Ничего не найдено", comment: "Global search placeholder"))
+                    globalSearchContent
-                        .font(.footnote)
-                        .foregroundColor(.secondary)
-                        .padding(.vertical, 12)
-                        .frame(maxWidth: .infinity, alignment: .leading)
-                        .listRowInsets(EdgeInsets(top: 12, leading: 16, bottom: 12, trailing: 16))
-                        .listRowSeparator(.hidden)
                 }
             } else {
                 ForEach(viewModel.chats) { chat in
@@ -196,6 +203,21 @@ struct ChatsTab: View {
         Text(NSLocalizedString("Глобальный поиск", comment: "Global search section"))
     }
 
+    @ViewBuilder
+    private var globalSearchContent: some View {
+        if isGlobalSearchLoading {
+            globalSearchLoadingRow
+        } else if let error = globalSearchError {
+            globalSearchErrorRow(message: error)
+        } else if globalSearchResults.isEmpty {
+            globalSearchEmptyRow
+        } else {
+            ForEach(globalSearchResults) { user in
+                globalSearchRow(for: user)
+            }
+        }
+    }
+
     private var emptySearchResultView: some View {
         VStack(spacing: 8) {
             Image(systemName: "text.magnifyingglass")
@@ -304,6 +326,59 @@ struct ChatsTab: View {
             viewModel.loadMoreIfNeeded(currentItem: chat)
         }
     }
+
+    private var globalSearchLoadingRow: some View {
+        HStack {
+            ProgressView()
+                .progressViewStyle(CircularProgressViewStyle())
+            Text(NSLocalizedString("Ищем пользователей…", comment: "Global search loading"))
+                .font(.footnote)
+        }
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .padding(.vertical, 12)
+        .listRowInsets(EdgeInsets(top: 12, leading: 16, bottom: 12, trailing: 16))
+        .listRowSeparator(.hidden)
+    }
+
+    private func globalSearchErrorRow(message: String) -> some View {
+        Text(message)
+            .font(.footnote)
+            .foregroundColor(.orange)
+            .padding(.vertical, 12)
+            .frame(maxWidth: .infinity, alignment: .leading)
+            .listRowInsets(EdgeInsets(top: 12, leading: 16, bottom: 12, trailing: 16))
+            .listRowSeparator(.hidden)
+    }
+
+    private var globalSearchEmptyRow: some View {
+        Text(NSLocalizedString("Ничего не найдено", comment: "Global search empty state"))
+            .font(.footnote)
+            .foregroundColor(.secondary)
+            .padding(.vertical, 12)
+            .frame(maxWidth: .infinity, alignment: .leading)
+            .listRowInsets(EdgeInsets(top: 12, leading: 16, bottom: 12, trailing: 16))
+            .listRowSeparator(.hidden)
+    }
+
+    private func globalSearchRow(for user: UserSearchResult) -> some View {
+        VStack(alignment: .leading, spacing: 4) {
+            Text(user.displayName)
+                .font(.headline)
+
+            if user.displayName != "@\(user.login)" {
+                Text("@\(user.login)")
+                    .font(.subheadline)
+                    .foregroundColor(.secondary)
+            } else if let secondary = user.secondaryText {
+                Text(secondary)
+                    .font(.subheadline)
+                    .foregroundColor(.secondary)
+            }
+        }
+        .padding(.vertical, 8)
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .listRowInsets(EdgeInsets(top: 8, leading: 16, bottom: 8, trailing: 16))
+    }
 }
 
 private extension ChatsTab {
@@ -312,6 +387,87 @@ private extension ChatsTab {
         UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
 #endif
     }
+
+    func handleSearchQueryChange(_ query: String) {
+        let trimmed = query.trimmingCharacters(in: .whitespacesAndNewlines)
+
+        if trimmed.isEmpty {
+            resetGlobalSearch()
+            return
+        }
+
+        globalSearchTask?.cancel()
+        globalSearchTask = nil
+
+        guard trimmed.count >= 2 else {
+            globalSearchResults = []
+            globalSearchError = nil
+            isGlobalSearchLoading = false
+            return
+        }
+
+        isGlobalSearchLoading = true
+        globalSearchError = nil
+
+        globalSearchTask = Task {
+            try? await Task.sleep(nanoseconds: 300_000_000)
+            guard !Task.isCancelled else { return }
+
+            do {
+                let data = try await searchService.search(query: trimmed)
+                guard !Task.isCancelled else { return }
+                await MainActor.run {
+                    globalSearchResults = data.users
+                    isGlobalSearchLoading = false
+                    globalSearchError = nil
+                    globalSearchTask = nil
+                }
+            } catch is CancellationError {
+                // Ignore cancellation
+            } catch {
+                guard !Task.isCancelled else { return }
+                await MainActor.run {
+                    globalSearchResults = []
+                    isGlobalSearchLoading = false
+                    globalSearchError = friendlyErrorMessage(for: error)
+                    globalSearchTask = nil
+                }
+            }
+        }
+    }
+
+    func resetGlobalSearch() {
+        globalSearchTask?.cancel()
+        globalSearchTask = nil
+        globalSearchResults = []
+        globalSearchError = nil
+        isGlobalSearchLoading = false
+    }
+
+    func friendlyErrorMessage(for error: Error) -> String {
+        if let searchError = error as? SearchServiceError {
+            return searchError.errorDescription ?? NSLocalizedString("Не удалось выполнить поиск.", comment: "Search error fallback")
+        }
+
+        if let networkError = error as? NetworkError {
+            switch networkError {
+            case .unauthorized:
+                return NSLocalizedString("Сессия истекла. Войдите снова.", comment: "Search error unauthorized")
+            case .invalidURL, .noResponse:
+                return NSLocalizedString("Ошибка соединения с сервером.", comment: "Search error connection")
+            case .network(let underlying):
+                return underlying.localizedDescription
+            case .server(let statusCode, _):
+                return String(format: NSLocalizedString("Сервер вернул ошибку (%d).", comment: "Search error server status"), statusCode)
+            }
+        }
+
+        if (error as NSError).code == NSURLErrorCancelled { // доп. подстраховка
+            return NSLocalizedString("Поиск отменён.", comment: "Search cancelled")
+        }
+
+        return NSLocalizedString("Произошла неизвестная ошибка.", comment: "Search unknown error")
+    }
 }
 
 private struct ScrollDismissesKeyboardModifier: ViewModifier {