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Dhananjaya99
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using Fitness_core_BE.Auth;
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using Fitness_core_BE.Helpers;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.SignalR;
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namespace Fitness_core_BE.Hubs
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{
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/// <summary>
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/// Tenant-isolated browser channel for device inventory, attendance, and access
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/// state notifications. The client id is always resolved from the authenticated
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/// user and is never accepted from the browser.
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/// </summary>
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[Authorize(AuthenticationSchemes = UserJwtDefaults.AuthenticationScheme)]
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public sealed class AccessHub : Hub
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{
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private readonly UserRoleHelper _userRoleHelper;
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public AccessHub(UserRoleHelper userRoleHelper)
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{
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_userRoleHelper = userRoleHelper;
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}
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public static string ClientGroup(Guid clientId) => $"access-client-{clientId:N}";
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public override async Task OnConnectedAsync()
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{
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var userIdValue = Context.User?.FindFirst("UserId")?.Value;
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if (!Guid.TryParse(userIdValue, out var userId))
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throw new HubException("Authenticated user id is missing.");
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var clientId = await _userRoleHelper.GetClientId(userId);
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await Groups.AddToGroupAsync(Context.ConnectionId, ClientGroup(clientId));
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await base.OnConnectedAsync();
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}
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}
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}
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+191
@@ -0,0 +1,191 @@
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using Fitness_core_BE.AI;
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using Fitness_core_BE.Helpers;
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using Fitness_core_BE.Interfaces.Services;
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using Fitness_core_BE.Models;
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using Microsoft.AspNetCore.SignalR;
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using System.Net.Http.Headers;
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using System.Numerics;
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using System.Text.Json;
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using static System.Runtime.InteropServices.JavaScript.JSType;
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namespace Fitness_core_BE.Hubs
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{
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public class ChatHub : Hub
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{
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private readonly IChatService _chatService;
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public readonly MealPlanOrchestrator _mealPlanOrchestrator;
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public readonly WorkoutPlanOrchestrator _workoutPlanOrchestrator;
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public ChatHub(IChatService chatService, MealPlanOrchestrator mealPlanOrchestrator, WorkoutPlanOrchestrator workoutPlanOrchestrator)
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{
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_chatService = chatService;
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_mealPlanOrchestrator = mealPlanOrchestrator;
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_workoutPlanOrchestrator = workoutPlanOrchestrator;
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}
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private Guid ResolveUserId()
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{
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// Later: Context.User.Claims (JWT)
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return Guid.Parse("d12fb5a6-969c-4fb2-a7f8-a5bc54ed0f11");
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}
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public async Task JoinChat(object payload)
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid chatId = DataExtractor.GetRequiredGuid(data, "chatId");
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//Guid userId = ResolveUserId();
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Guid userId = DataExtractor.GetRequiredGuid(data, "userId");
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if (!await _chatService.CanUserAccessChatAsync(chatId, userId))
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throw new HubException("Unauthorized to join this chat");
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await Groups.AddToGroupAsync(
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Context.ConnectionId,
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$"chat-{chatId}"
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);
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var history = await _chatService.GetMessagesAsync(new
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{
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chatId = chatId,
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userId = userId,
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skip = 0,
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take = 30
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});
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await Clients.Caller.SendAsync("ReceiveHistory", history);
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}
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public async Task SendMessage(object payload)
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{
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var data = DeserializePayload.Deserialize(payload);
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string reason = DataExtractor.GetRequiredString(data, "reason");
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Guid chatId = DataExtractor.GetRequiredGuid(data, "chatId");
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Guid userId = DataExtractor.GetRequiredGuid(data, "userId");
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string message = DataExtractor.GetRequiredString(data, "message");
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switch (reason)
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{
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case "user":
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var savedMessage = await _chatService.SendMessageAsync(new
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{
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chatId = chatId,
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senderId = userId,
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message = message,
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type = "userMessages"
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});
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await Clients.Group($"chat-{chatId}")
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.SendAsync("ReceiveMessage", savedMessage);
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break;
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case "mealPlan":
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await SendChatMessageAsync(
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chatId,
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userId,
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message,
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"userMealReq"
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);
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string messageType = DataExtractor.GetRequiredString(data, "messageType");
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if (messageType == "generateMealPlan")
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{
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var plan = await _mealPlanOrchestrator
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.GeneratePlanAsync(payload);
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string aiMessage = JsonSerializer.Serialize(plan);
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await SendChatMessageAsync(
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chatId,
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AIAgents.MealAgentId,
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aiMessage,
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"createdPlan"
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);
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}
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if (messageType == "modifyMealPlan")
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{
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var updated = await _mealPlanOrchestrator
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.UpdatePlanAsync(payload);
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string aiMessage = JsonSerializer.Serialize(updated);
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await SendChatMessageAsync(
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chatId,
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AIAgents.MealAgentId,
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aiMessage,
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"updatedPlan"
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);
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}
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break;
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case "workoutPlan":
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await SendChatMessageAsync(
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chatId,
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userId,
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message,
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"userWorkoutReq"
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);
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string workoutMessageType = DataExtractor.GetRequiredString(data, "messageType");
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if (workoutMessageType == "generateWorkoutPlan")
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{
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var plan = await _workoutPlanOrchestrator
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.GeneratePlanAsync(payload);
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string aiMessage = JsonSerializer.Serialize(plan);
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await SendChatMessageAsync(
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chatId,
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AIAgents.WorkoutAgentId,
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aiMessage,
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"createdPlan"
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);
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}
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if (workoutMessageType == "modifyWorkoutPlan")
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{
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var updated = await _workoutPlanOrchestrator
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.UpdatePlanAsync(payload);
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string aiMessage = JsonSerializer.Serialize(updated);
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await SendChatMessageAsync(
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chatId,
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AIAgents.WorkoutAgentId,
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aiMessage,
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"updatedPlan"
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);
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}
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break;
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default:
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throw new HubException("Invalid reason for sending message.");
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}
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}
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public async Task LeaveChat(object payload)
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{
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var data = DeserializePayload.Deserialize(payload);
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Guid chatId = DataExtractor.GetRequiredGuid(data, "chatId");
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await Groups.RemoveFromGroupAsync(
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Context.ConnectionId,
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$"chat-{chatId}"
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);
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}
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private async Task SendChatMessageAsync( Guid chatId, Guid senderId, string message,string type)
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{
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var savedMessage = await _chatService.SendMessageAsync(new
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{
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chatId = chatId,
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senderId = senderId,
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message = message,
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type = type
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});
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await Clients.Group($"chat-{chatId}")
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.SendAsync("ReceiveMessage", savedMessage);
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}
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}
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}
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