SyncService.cs•10.9 kB
using System.Text.Json;
using COA.Goldfish.McpServer.Services.Storage;
using Microsoft.Extensions.Logging;
using System.Text;
using Microsoft.Extensions.Configuration;
namespace COA.Goldfish.McpServer.Services;
/// <summary>
/// Enterprise-ready sync service with offline-first design
/// </summary>
public class SyncService : ISyncService
{
private readonly HttpClient _httpClient;
private readonly IStorageService _storage;
private readonly IConfiguration _configuration;
private readonly ILogger<SyncService> _logger;
private readonly Queue<SyncQueueItem> _syncQueue = new();
private readonly object _queueLock = new object();
private SyncConfiguration? _syncConfiguration;
public SyncService(HttpClient httpClient, IStorageService storage,
IConfiguration configuration, ILogger<SyncService> logger)
{
_httpClient = httpClient;
_storage = storage;
_configuration = configuration;
_logger = logger;
// Load configuration
LoadConfiguration();
}
public bool IsEnabled => _syncConfiguration?.ApiEndpoint != null;
public async Task<SyncStatus> GetStatusAsync()
{
return new SyncStatus
{
IsConnected = IsEnabled && await TestConnectionAsync(),
LastSyncTime = GetLastSyncTime(),
QueuedOperations = GetQueuedOperationsCount(),
PendingConflicts = 0, // TODO: Implement conflict detection
Configuration = _syncConfiguration
};
}
public async Task<SyncResult> SyncWorkspaceAsync(string workspaceId, SyncOptions? options = null)
{
if (!IsEnabled)
{
return new SyncResult
{
Success = false,
ErrorMessage = "Sync is not configured or enabled"
};
}
var startTime = DateTime.UtcNow;
var result = new SyncResult();
try
{
_logger.LogInformation("Starting sync for workspace {WorkspaceId}", workspaceId);
// Sync all entity types
var entitiesToSync = SyncEntityType.All;
var syncResult = await SyncEntitiesAsync(workspaceId, entitiesToSync, options);
result = syncResult;
result.Duration = DateTime.UtcNow - startTime;
_logger.LogInformation("Completed sync for workspace {WorkspaceId} in {Duration}ms",
workspaceId, result.Duration.TotalMilliseconds);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to sync workspace {WorkspaceId}", workspaceId);
result.Success = false;
result.ErrorMessage = ex.Message;
result.Duration = DateTime.UtcNow - startTime;
}
return result;
}
public async Task<SyncResult> SyncEntitiesAsync(string workspaceId, SyncEntityType entityTypes, SyncOptions? options = null)
{
var result = new SyncResult { Success = true };
if (!IsEnabled)
{
result.Success = false;
result.ErrorMessage = "Sync is not enabled";
return result;
}
try
{
// For now, simulate sync operations
await Task.Delay(100); // Simulate network call
if (entityTypes.HasFlag(SyncEntityType.Checkpoints))
{
await SyncCheckpointsAsync(workspaceId);
result.EntitiesSynced += 1;
}
if (entityTypes.HasFlag(SyncEntityType.TodoLists))
{
await SyncTodoListsAsync(workspaceId);
result.EntitiesSynced += 1;
}
if (entityTypes.HasFlag(SyncEntityType.Plans))
{
await SyncPlansAsync(workspaceId);
result.EntitiesSynced += 1;
}
_logger.LogDebug("Synced {Count} entity types for workspace {WorkspaceId}",
result.EntitiesSynced, workspaceId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to sync entities for workspace {WorkspaceId}", workspaceId);
result.Success = false;
result.ErrorMessage = ex.Message;
}
return result;
}
public async Task QueueForSyncAsync(string workspaceId, SyncEntityType entityType, string entityId, SyncOperation operation)
{
var queueItem = new SyncQueueItem
{
Id = Guid.NewGuid().ToString(),
WorkspaceId = workspaceId,
EntityType = entityType,
EntityId = entityId,
Operation = operation,
QueuedAt = DateTime.UtcNow
};
lock (_queueLock)
{
_syncQueue.Enqueue(queueItem);
}
_logger.LogDebug("Queued {Operation} operation for {EntityType} {EntityId} in workspace {WorkspaceId}",
operation, entityType, entityId, workspaceId);
await Task.CompletedTask; // Make method async
}
public async Task<SyncResult> ProcessQueueAsync()
{
var result = new SyncResult { Success = true };
var processedCount = 0;
if (!IsEnabled)
{
result.Success = false;
result.ErrorMessage = "Sync is not enabled";
return result;
}
try
{
while (GetQueuedOperationsCount() > 0)
{
SyncQueueItem? item = null;
lock (_queueLock)
{
if (_syncQueue.Count > 0)
{
item = _syncQueue.Dequeue();
}
}
if (item != null)
{
await ProcessQueueItemAsync(item);
processedCount++;
}
}
result.EntitiesSynced = processedCount;
_logger.LogInformation("Processed {Count} queued sync operations", processedCount);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to process sync queue");
result.Success = false;
result.ErrorMessage = ex.Message;
}
return result;
}
public async Task ConfigureAsync(SyncConfiguration configuration)
{
_syncConfiguration = configuration;
// Configure HTTP client
if (!string.IsNullOrEmpty(configuration.AuthenticationToken))
{
_httpClient.DefaultRequestHeaders.Authorization =
new System.Net.Http.Headers.AuthenticationHeaderValue(
configuration.AuthenticationType ?? "Bearer",
configuration.AuthenticationToken);
}
_logger.LogInformation("Sync configured with endpoint: {Endpoint}", configuration.ApiEndpoint);
await Task.CompletedTask;
}
public async Task<bool> TestConnectionAsync()
{
if (string.IsNullOrEmpty(_syncConfiguration?.ApiEndpoint))
{
return false;
}
try
{
var response = await _httpClient.GetAsync($"{_syncConfiguration.ApiEndpoint}/health");
return response.IsSuccessStatusCode;
}
catch (Exception ex)
{
_logger.LogDebug(ex, "Connection test failed");
return false;
}
}
public async Task<SyncResult> ForceResyncAsync(string workspaceId)
{
_logger.LogInformation("Forcing full resync for workspace {WorkspaceId}", workspaceId);
var options = new SyncOptions
{
ForceSync = true,
Direction = SyncDirection.Bidirectional
};
return await SyncWorkspaceAsync(workspaceId, options);
}
public async Task<List<SyncConflict>> GetConflictsAsync(string workspaceId)
{
// TODO: Implement conflict detection
await Task.CompletedTask;
return new List<SyncConflict>();
}
public async Task<SyncResult> ResolveConflictsAsync(List<SyncConflictResolution> resolutions)
{
// TODO: Implement conflict resolution
await Task.CompletedTask;
return new SyncResult { Success = true };
}
#region Private Methods
private void LoadConfiguration()
{
var config = new SyncConfiguration
{
ApiEndpoint = _configuration["Goldfish:Sync:ApiEndpoint"],
AuthenticationToken = _configuration["Goldfish:Sync:AuthToken"],
AuthenticationType = _configuration["Goldfish:Sync:AuthType"] ?? "Bearer",
EnableOfflineQueue = _configuration.GetValue("Goldfish:Sync:EnableOfflineQueue", true),
AutoResolveConflicts = _configuration.GetValue("Goldfish:Sync:AutoResolveConflicts", false)
};
if (!string.IsNullOrEmpty(config.ApiEndpoint))
{
_syncConfiguration = config;
_logger.LogInformation("Sync configuration loaded from settings");
}
else
{
_logger.LogDebug("No sync configuration found in settings");
}
}
private DateTime? GetLastSyncTime()
{
// TODO: Implement last sync time tracking
return null;
}
private int GetQueuedOperationsCount()
{
lock (_queueLock)
{
return _syncQueue.Count;
}
}
private async Task SyncCheckpointsAsync(string workspaceId)
{
// TODO: Implement checkpoint sync
await Task.Delay(50);
_logger.LogDebug("Synced checkpoints for workspace {WorkspaceId}", workspaceId);
}
private async Task SyncTodoListsAsync(string workspaceId)
{
// TODO: Implement todo list sync
await Task.Delay(50);
_logger.LogDebug("Synced todo lists for workspace {WorkspaceId}", workspaceId);
}
private async Task SyncPlansAsync(string workspaceId)
{
// TODO: Implement plans sync
await Task.Delay(50);
_logger.LogDebug("Synced plans for workspace {WorkspaceId}", workspaceId);
}
private async Task ProcessQueueItemAsync(SyncQueueItem item)
{
// TODO: Implement queue item processing
await Task.Delay(10);
_logger.LogDebug("Processed queue item {ItemId}", item.Id);
}
#endregion
}
/// <summary>
/// Item in the sync queue for offline operations
/// </summary>
internal class SyncQueueItem
{
public string Id { get; set; } = string.Empty;
public string WorkspaceId { get; set; } = string.Empty;
public SyncEntityType EntityType { get; set; }
public string EntityId { get; set; } = string.Empty;
public SyncOperation Operation { get; set; }
public DateTime QueuedAt { get; set; }
public int RetryCount { get; set; } = 0;
}