Add customer communication system
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sysadmin
330
LittleShop/Services/BotService.cs
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330
LittleShop/Services/BotService.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text.Json;
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using System.Threading.Tasks;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using LittleShop.Data;
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using LittleShop.DTOs;
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using LittleShop.Enums;
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using LittleShop.Models;
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namespace LittleShop.Services;
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public class BotService : IBotService
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{
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private readonly LittleShopContext _context;
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private readonly ILogger<BotService> _logger;
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public BotService(LittleShopContext context, ILogger<BotService> logger)
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{
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_context = context;
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_logger = logger;
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}
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public async Task<BotRegistrationResponseDto> RegisterBotAsync(BotRegistrationDto dto)
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{
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_logger.LogInformation("Registering new bot: {BotName}", dto.Name);
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var botKey = await GenerateBotKeyAsync();
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var bot = new Bot
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{
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Id = Guid.NewGuid(),
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Name = dto.Name,
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Description = dto.Description,
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Type = dto.Type,
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BotKey = botKey,
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Status = BotStatus.Active,
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Settings = JsonSerializer.Serialize(dto.InitialSettings),
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Version = dto.Version,
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PersonalityName = string.IsNullOrEmpty(dto.PersonalityName) ? AssignDefaultPersonality(dto.Name) : dto.PersonalityName,
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CreatedAt = DateTime.UtcNow,
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IsActive = true
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};
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_context.Bots.Add(bot);
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await _context.SaveChangesAsync();
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_logger.LogInformation("Bot registered successfully: {BotId}", bot.Id);
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return new BotRegistrationResponseDto
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{
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BotId = bot.Id,
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BotKey = botKey,
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Name = bot.Name,
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Settings = dto.InitialSettings
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};
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}
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public async Task<BotDto?> AuthenticateBotAsync(string botKey)
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{
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var bot = await _context.Bots
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.Include(b => b.Sessions)
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.Include(b => b.Metrics)
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.FirstOrDefaultAsync(b => b.BotKey == botKey && b.Status == BotStatus.Active);
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if (bot == null)
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{
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_logger.LogWarning("Authentication failed for bot key: {BotKey}", botKey.Substring(0, 8) + "...");
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return null;
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}
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// Update last seen
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bot.LastSeenAt = DateTime.UtcNow;
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await _context.SaveChangesAsync();
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return MapToDto(bot);
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}
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public async Task<BotDto?> GetBotByIdAsync(Guid id)
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{
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var bot = await _context.Bots
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.Include(b => b.Sessions)
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.Include(b => b.Metrics)
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.FirstOrDefaultAsync(b => b.Id == id);
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return bot != null ? MapToDto(bot) : null;
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}
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public async Task<BotDto?> GetBotByKeyAsync(string botKey)
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{
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var bot = await _context.Bots
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.Include(b => b.Sessions)
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.Include(b => b.Metrics)
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.FirstOrDefaultAsync(b => b.BotKey == botKey);
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return bot != null ? MapToDto(bot) : null;
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}
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public async Task<IEnumerable<BotDto>> GetAllBotsAsync()
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{
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try
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{
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var bots = await _context.Bots
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.Include(b => b.Sessions)
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.Include(b => b.Metrics)
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.OrderByDescending(b => b.CreatedAt)
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.ToListAsync();
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return bots.Select(MapToDto);
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}
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catch (Microsoft.Data.Sqlite.SqliteException ex) when (ex.Message.Contains("no such table"))
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{
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// Tables don't exist yet - return empty list
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return new List<BotDto>();
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}
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}
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public async Task<IEnumerable<BotDto>> GetActiveBots()
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{
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try
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{
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var bots = await _context.Bots
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.Include(b => b.Sessions)
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.Include(b => b.Metrics)
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.Where(b => b.Status == BotStatus.Active && b.IsActive)
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.OrderByDescending(b => b.LastSeenAt)
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.ToListAsync();
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return bots.Select(MapToDto);
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}
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catch (Microsoft.Data.Sqlite.SqliteException ex) when (ex.Message.Contains("no such table"))
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{
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// Tables don't exist yet - return empty list
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return new List<BotDto>();
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}
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}
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public async Task<bool> UpdateBotSettingsAsync(Guid botId, UpdateBotSettingsDto dto)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return false;
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bot.Settings = JsonSerializer.Serialize(dto.Settings);
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bot.LastConfigSyncAt = DateTime.UtcNow;
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await _context.SaveChangesAsync();
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_logger.LogInformation("Updated settings for bot {BotId}", botId);
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return true;
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}
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public async Task<bool> UpdateBotStatusAsync(Guid botId, BotStatus status)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return false;
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var oldStatus = bot.Status;
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bot.Status = status;
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bot.IsActive = status == BotStatus.Active;
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await _context.SaveChangesAsync();
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_logger.LogInformation("Bot {BotId} status changed from {OldStatus} to {NewStatus}",
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botId, oldStatus, status);
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return true;
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}
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public async Task<bool> RecordHeartbeatAsync(Guid botId, BotHeartbeatDto dto)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return false;
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bot.LastSeenAt = DateTime.UtcNow;
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bot.Version = dto.Version;
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bot.IpAddress = dto.IpAddress;
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// Record uptime metric
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var uptimeMetric = new BotMetric
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{
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Id = Guid.NewGuid(),
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BotId = botId,
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MetricType = MetricType.Uptime,
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Value = 1,
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Metadata = JsonSerializer.Serialize(dto.Status),
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RecordedAt = DateTime.UtcNow,
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Category = "System",
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Description = "Heartbeat"
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};
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_context.BotMetrics.Add(uptimeMetric);
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await _context.SaveChangesAsync();
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return true;
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}
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public async Task<bool> DeleteBotAsync(Guid botId)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return false;
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bot.Status = BotStatus.Deleted;
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bot.IsActive = false;
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await _context.SaveChangesAsync();
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_logger.LogInformation("Bot {BotId} marked as deleted", botId);
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return true;
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}
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public async Task<Dictionary<string, object>> GetBotSettingsAsync(Guid botId)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return new Dictionary<string, object>();
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try
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{
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return JsonSerializer.Deserialize<Dictionary<string, object>>(bot.Settings)
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?? new Dictionary<string, object>();
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}
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catch
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{
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return new Dictionary<string, object>();
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}
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}
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public async Task<bool> ValidateBotKeyAsync(string botKey)
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{
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return await _context.Bots.AnyAsync(b => b.BotKey == botKey && b.Status == BotStatus.Active);
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}
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public Task<string> GenerateBotKeyAsync()
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{
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const string prefix = "bot_";
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const int keyLength = 32;
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using var rng = RandomNumberGenerator.Create();
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var bytes = new byte[keyLength];
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rng.GetBytes(bytes);
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var key = prefix + Convert.ToBase64String(bytes)
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.Replace("+", "")
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.Replace("/", "")
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.Replace("=", "")
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.Substring(0, keyLength);
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return Task.FromResult(key);
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}
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public async Task<bool> UpdatePlatformInfoAsync(Guid botId, UpdatePlatformInfoDto dto)
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{
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var bot = await _context.Bots.FindAsync(botId);
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if (bot == null)
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return false;
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bot.PlatformUsername = dto.PlatformUsername;
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bot.PlatformDisplayName = dto.PlatformDisplayName;
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bot.PlatformId = dto.PlatformId;
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await _context.SaveChangesAsync();
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_logger.LogInformation("Updated platform info for bot {BotId}: @{Username} ({DisplayName})",
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botId, dto.PlatformUsername, dto.PlatformDisplayName);
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return true;
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}
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private BotDto MapToDto(Bot bot)
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{
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var settings = new Dictionary<string, object>();
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try
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{
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settings = JsonSerializer.Deserialize<Dictionary<string, object>>(bot.Settings)
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?? new Dictionary<string, object>();
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}
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catch { }
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var activeSessions = bot.Sessions.Count(s => !s.EndedAt.HasValue);
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var totalRevenue = bot.Sessions.Sum(s => s.TotalSpent);
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var totalOrders = bot.Sessions.Sum(s => s.OrderCount);
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return new BotDto
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{
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Id = bot.Id,
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Name = bot.Name,
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Description = bot.Description,
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Type = bot.Type,
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Status = bot.Status,
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CreatedAt = bot.CreatedAt,
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LastSeenAt = bot.LastSeenAt,
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LastConfigSyncAt = bot.LastConfigSyncAt,
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IsActive = bot.IsActive,
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Version = bot.Version,
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IpAddress = bot.IpAddress,
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PlatformUsername = bot.PlatformUsername,
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PlatformDisplayName = bot.PlatformDisplayName,
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PlatformId = bot.PlatformId,
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PersonalityName = bot.PersonalityName,
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Settings = settings,
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TotalSessions = bot.Sessions.Count,
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ActiveSessions = activeSessions,
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TotalRevenue = totalRevenue,
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TotalOrders = totalOrders
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};
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}
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private string AssignDefaultPersonality(string botName)
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{
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var personalities = new[] { "Alan", "Dave", "Sarah", "Mike", "Emma", "Tom" };
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// Smart assignment based on name
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var lowerName = botName.ToLower();
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if (lowerName.Contains("alan")) return "Alan";
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if (lowerName.Contains("dave")) return "Dave";
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if (lowerName.Contains("sarah")) return "Sarah";
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if (lowerName.Contains("mike")) return "Mike";
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if (lowerName.Contains("emma")) return "Emma";
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if (lowerName.Contains("tom")) return "Tom";
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// Random assignment if no match
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var random = new Random();
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return personalities[random.Next(personalities.Length)];
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}
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}
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