public async Task <(SyncContext, ChangesApplied)> ApplyChangesAsync(SyncContext ctx, MessageApplyChanges message) => await this.LocalProvider.ApplyChangesAsync(ctx, message);
/// <summary>
/// Send changes to server
/// </summary>
public async Task <(SyncContext, ChangesApplied)> ApplyChangesAsync(SyncContext context, MessageApplyChanges message)
{
if (message.Changes == null || message.Changes.BatchPartsInfo.Count == 0)
{
return(context, new ChangesApplied());
}
SyncContext syncContext = null;
ChangesApplied changesApplied = null;
// Foreach part, will have to send them to the remote
// once finished, return context
foreach (var bpi in message.Changes.BatchPartsInfo.OrderBy(bpi => bpi.Index))
{
var applyChanges = new HttpMessageApplyChanges
{
FromScope = message.FromScope,
Schema = new DmSetSurrogate(message.Schema),
Policy = message.Policy,
UseBulkOperations = message.UseBulkOperations,
ScopeInfoTableName = message.ScopeInfoTableName,
SerializationFormat = message.SerializationFormat
};
HttpMessage httpMessage = new HttpMessage
{
Step = HttpStep.ApplyChanges,
SyncContext = context,
Content = applyChanges
};
// If BPI is InMempory, no need to deserialize from disk
// Set already contained in part.Set
if (!message.Changes.InMemory)
{
// get the batch
var partBatch = bpi.GetBatch();
// get the surrogate dmSet
if (partBatch != null)
{
applyChanges.Set = partBatch.DmSetSurrogate;
}
}
else if (bpi.Set != null)
{
applyChanges.Set = new DmSetSurrogate(bpi.Set);
}
if (applyChanges.Set == null || applyChanges.Set.Tables == null)
{
throw new ArgumentException("No changes to upload found.");
}
// no need to send filename
applyChanges.BatchPartInfo = new BatchPartInfo
{
FileName = null,
Index = bpi.Index,
IsLastBatch = bpi.IsLastBatch,
Tables = bpi.Tables
};
applyChanges.InMemory = message.Changes.InMemory;
applyChanges.BatchIndex = bpi.Index;
//Post request and get response
var httpMessageResponse = await this.httpRequestHandler.ProcessRequest(httpMessage, message.SerializationFormat, cancellationToken);
// Clear surrogate
applyChanges.Set.Dispose();
applyChanges.Set = null;
if (httpMessageResponse == null)
{
throw new Exception("Can't have an empty body");
}
HttpMessageApplyChanges httpMessageContent;
if (httpMessageResponse.Content is HttpMessageApplyChanges)
{
httpMessageContent = httpMessageResponse.Content as HttpMessageApplyChanges;
}
else
{
httpMessageContent = (httpMessageResponse.Content as JObject).ToObject <HttpMessageApplyChanges>();
}
syncContext = httpMessageResponse.SyncContext;
changesApplied = httpMessageContent.ChangesApplied;
}
return(syncContext, changesApplied);
}
