public virtual async Task CallSyncTo(DtoSetSyncConfig[] toServerDtoSetSyncMaterials, CancellationToken cancellationToken)
{
if (toServerDtoSetSyncMaterials.Any())
{
using (TDbContext offlineContextForSyncTo = _dbContextProvider())
{
((IsSyncDbContext)offlineContextForSyncTo).IsSyncDbContext = true;
ODataBatch onlineBatchContext = _oDataBatchProvider();
foreach (DtoSetSyncConfig toServerSyncConfig in toServerDtoSetSyncMaterials)
{
IQueryable <ISyncableDto> offlineSet = toServerSyncConfig.OfflineDtoSet(offlineContextForSyncTo);
ISyncableDto[] recentlyChangedOfflineDtos = (await offlineSet.IgnoreQueryFilters().Where(s => EF.Property <bool>(s, "IsSynced") == false).AsNoTracking().ToArrayAsync(cancellationToken).ConfigureAwait(false))
.Cast <ISyncableDto>()
.ToArray();
ISyncableDto firstRecentlyChangedOfflineDto = recentlyChangedOfflineDtos.FirstOrDefault();
if (firstRecentlyChangedOfflineDto == null)
{
continue;
}
TypeInfo dtoType = firstRecentlyChangedOfflineDto.GetType().GetTypeInfo();
PropertyInfo[] keyProps = offlineContextForSyncTo
.Model
.FindEntityType(dtoType)
.FindPrimaryKey()
.Properties
.Select(x => dtoType.GetProperty(x.Name))
.ToArray();
foreach (ISyncableDto recentlyChangedOfflineDto in recentlyChangedOfflineDtos)
{
object[] keys = keyProps.Select(p => p.GetValue(recentlyChangedOfflineDto, null)).ToArray();
if (recentlyChangedOfflineDto.IsArchived == true)
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Key(keys).DeleteEntryAsync();
}
else if (recentlyChangedOfflineDto.Version == 0)
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Set(recentlyChangedOfflineDto).InsertEntryAsync();
}
else
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Key(keys).Set(recentlyChangedOfflineDto).UpdateEntryAsync();
}
}
}
await onlineBatchContext.ExecuteAsync(cancellationToken).ConfigureAwait(false);
}
}
}
public async Task SyncDtoSets(params string[] dtoSetNames)
{
if (dtoSetNames == null)
{
throw new ArgumentNullException(nameof(dtoSetNames));
}
if (_connectivity.IsConnected == false)
{
return;
}
DtoSetSyncConfig[] toServerDtoSetSyncMaterials = _configs.Where(c => c.ToServerSync == true && c.ToServerSyncFunc() == true && dtoSetNames.Any(n => n == c.DtoSetName)).ToArray();
DtoSetSyncConfig[] fromServerDtoSetSyncMaterials = _configs.Where(c => c.FromServerSync == true && c.FromServerSyncFunc() == true && dtoSetNames.Any(n => n == c.DtoSetName)).ToArray();
if (toServerDtoSetSyncMaterials.Any())
{
using (TDbContext offlineContextForSyncTo = _containerProvider.Resolve <TDbContext>())
{
((IsSyncDbContext)offlineContextForSyncTo).IsSyncDbContext = true;
ODataBatch onlineBatchContext = _containerProvider.Resolve <ODataBatch>();
foreach (DtoSetSyncConfig toServerSyncConfig in toServerDtoSetSyncMaterials)
{
IQueryable <ISyncableDto> offlineSet = toServerSyncConfig.OfflineDtoSet(offlineContextForSyncTo);
ISyncableDto[] recentlyChangedOfflineDtos = (await offlineSet.IgnoreQueryFilters().Where(s => EF.Property <bool>(s, "IsSynced") == false).AsNoTracking().ToArrayAsync().ConfigureAwait(false))
.Cast <ISyncableDto>()
.ToArray();
ISyncableDto firstRecentlyChangedOfflineDto = recentlyChangedOfflineDtos.FirstOrDefault();
if (firstRecentlyChangedOfflineDto == null)
{
continue;
}
TypeInfo dtoType = firstRecentlyChangedOfflineDto.GetType().GetTypeInfo();
PropertyInfo[] keyProps = offlineContextForSyncTo
.Model
.FindEntityType(dtoType)
.FindPrimaryKey()
.Properties
.Select(x => dtoType.GetProperty(x.Name))
.ToArray();
foreach (ISyncableDto recentlyChangedOfflineDto in recentlyChangedOfflineDtos)
{
object[] keys = keyProps.Select(p => p.GetValue(recentlyChangedOfflineDto, null)).ToArray();
if (recentlyChangedOfflineDto.IsArchived == true)
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Key(keys).DeleteEntryAsync();
}
else if (recentlyChangedOfflineDto.Version == 0)
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Set(recentlyChangedOfflineDto).InsertEntryAsync();
}
else
{
onlineBatchContext += c => toServerSyncConfig.OnlineDtoSet(c).Key(keys).Set(recentlyChangedOfflineDto).UpdateEntryAsync();
}
}
}
await onlineBatchContext.ExecuteAsync().ConfigureAwait(false);
}
}
if (fromServerDtoSetSyncMaterials.Any())
{
using (TDbContext offlineContextForSyncFrom = _containerProvider.Resolve <TDbContext>())
{
((IsSyncDbContext)offlineContextForSyncFrom).IsSyncDbContext = true;
ODataBatch onlineBatchContext = _containerProvider.Resolve <ODataBatch>();
List <DtoSyncConfigSyncFromResults> recentlyChangedOnlineDtos = new List <DtoSyncConfigSyncFromResults>();
foreach (DtoSetSyncConfig fromServerSyncConfig in fromServerDtoSetSyncMaterials)
{
IQueryable <ISyncableDto> offlineSet = fromServerSyncConfig.OfflineDtoSet(offlineContextForSyncFrom);
var mostRecentOfflineDto = await offlineSet
.IgnoreQueryFilters()
.Select(e => new { e.Version })
.OrderByDescending(e => e.Version)
.FirstOrDefaultAsync()
.ConfigureAwait(false);
long maxVersion = mostRecentOfflineDto?.Version ?? 0;
onlineBatchContext += async c => recentlyChangedOnlineDtos.Add(new DtoSyncConfigSyncFromResults
{
DtoSetSyncConfig = fromServerSyncConfig,
RecentlyChangedOnlineDtos = CreateSyncableDtoInstancesFromUnTypedODataResponse(offlineSet.ElementType.GetTypeInfo(), (await(fromServerSyncConfig.OnlineDtoSetForGet ?? fromServerSyncConfig.OnlineDtoSet)(c).Where($"Version gt {maxVersion}").FindEntriesAsync().ConfigureAwait(false)).ToList()),
DtoType = offlineSet.ElementType.GetTypeInfo(),
HadOfflineDtoBefore = mostRecentOfflineDto != null
});
}
await onlineBatchContext.ExecuteAsync().ConfigureAwait(false);
foreach (DtoSyncConfigSyncFromResults result in recentlyChangedOnlineDtos.Where(r => r.RecentlyChangedOnlineDtos.Any()))
{
if (result.HadOfflineDtoBefore == false)
{
await offlineContextForSyncFrom.AddRangeAsync(result.RecentlyChangedOnlineDtos).ConfigureAwait(false);
foreach (ISyncableDto r in result.RecentlyChangedOnlineDtos)
{
offlineContextForSyncFrom.Entry(r).Property("IsSynced").CurrentValue = true;
}
}
else
{
PropertyInfo[] keyProps = offlineContextForSyncFrom
.Model
.FindEntityType(result.DtoType)
.FindPrimaryKey()
.Properties.Select(x => result.DtoType.GetProperty(x.Name))
.ToArray();
IQueryable <ISyncableDto> offlineSet = result.DtoSetSyncConfig.OfflineDtoSet(offlineContextForSyncFrom);
string equivalentOfflineDtosQuery = "";
List <object> equivalentOfflineDtosParams = new List <object>();
int parameterIndex = 0;
equivalentOfflineDtosQuery = string.Join(" || ", result.RecentlyChangedOnlineDtos.Select(s =>
{
return($" ( {string.Join(" && ", keyProps.Select(k => { equivalentOfflineDtosParams.Add(k.GetValue(s)); return $"{k.Name} == @{parameterIndex++}"; }))} )");
}));
List <ISyncableDto> equivalentOfflineDtos = await offlineSet.Where(equivalentOfflineDtosQuery, equivalentOfflineDtosParams.ToArray()).IgnoreQueryFilters().ToListAsync().ConfigureAwait(false);
foreach (ISyncableDto recentlyChangedOnlineDto in result.RecentlyChangedOnlineDtos)
{
bool hasEquivalentInOfflineDb = equivalentOfflineDtos.Any(d => keyProps.All(k => k.GetValue(d).Equals(k.GetValue(recentlyChangedOnlineDto))));
if (recentlyChangedOnlineDto.IsArchived == false || hasEquivalentInOfflineDb == true)
{
if (recentlyChangedOnlineDto.IsArchived == true)
{
offlineContextForSyncFrom.Remove(recentlyChangedOnlineDto);
}
else if (hasEquivalentInOfflineDb == true)
{
offlineContextForSyncFrom.Update(recentlyChangedOnlineDto);
offlineContextForSyncFrom.Entry(recentlyChangedOnlineDto).Property("IsSynced").CurrentValue = true;
}
else
{
await offlineContextForSyncFrom.AddAsync(recentlyChangedOnlineDto).ConfigureAwait(false);
offlineContextForSyncFrom.Entry(recentlyChangedOnlineDto).Property("IsSynced").CurrentValue = true;
}
}
}
}
}
await offlineContextForSyncFrom.SaveChangesAsync().ConfigureAwait(false);
}
}
}