public async Task <byte[]> GetOfflineDBAsync(Guid projectId)
{
var temp = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
var context = new DbContextOptionsBuilder <DiaryContext>();
context.UseSqlite($"Filename={temp}", p => p.AddChangeTracking());
using (var ctx = new DiaryContext(context.Options))
{
ctx.Database.EnsureCreated();
}
var builder = new SyncBuilder();
builder.Target(p => p.AddEntityFrameworkCore <DiaryContext>().UseSqlServer(_configuration.GetConnectionString("DiaryContext")))
.Source(p => p.AddEntityFrameworkCore <DiaryContext>().UseSqlite($"Filename={temp}"));
using (var sync = builder.Build(_provider))
{
var modelProvider = sync.TargetSyncProvider as ISyncConfigurationProvider;
var sourceId = await sync.SourceSyncProvider.GetPeerIdAsync();
await modelProvider.EnsureRemotePeerAsync(sourceId, p => p.Name = $"xamarin dev {sourceId}");
await modelProvider.SetScenarioAsync(sourceId, Constants.ScenarioId);
await modelProvider.SaveParameterConfigurationAsync(
sourceId,
new[] { new FilterParameterConfiguration
{
ParameterId = Constants.ProjectParameter.ParameterId,
Values = { Codeworx.Synchronization.ChangeProperty.Create <Guid>(projectId) }
} });
await sync.RunAsync();
using (var fs = new FileStream(temp, FileMode.Open, FileAccess.Read))
using (var ms = new MemoryStream())
{
await fs.CopyToAsync(ms);
return(ms.ToArray());
}
}
}
public static void SetBuilder(SyncBuilder builder)
{
if (_syncs == null)
{
throw new Exception("Failed to initialize");
}
for (int position = 0; position < builder.Data.Length;)
{
Id id = (Id)ByteConverter.GetOfType(builder.Data, ref position, typeof(Id));
ASync sync;
if (!_syncs.TryGetValue(id, out sync))
{
throw new KeyNotFoundException("ID not found in _syncs. ID: " + id);
}
sync.ReadFromSave(builder.Data, ref position);
}
}
