public async Task <long> Count <T>(NetmeraService service)
{
var task = new TaskCompletionSource <long>();
if (typeof(T) == typeof(Models.Address))
{
service.setSortBy("UPRN");
}
else if (typeof(T) == typeof(Models.Survelem))
{
service.setSortBy("id");
}
else if (typeof(T) == typeof(Models.Question))
{
service.setSortBy("Question_Order");
}
else
{
service.setSortBy("Path");
}
service.setSortOrder(NetmeraService.SortOrder.ascending);
service.setMax(1);
service.count((c, e) =>
{
if (e != null)
{
task.SetResult(-1);
}
else
{
task.SetResult(c);
}
});
return(await task.Task);
}
protected void SearchObjectsWithPaging <T, V>(NetmeraService service, Func <T, V, bool> action = null, Action <List <V> > saveAction = null)
where T : Entity, new()
where V : class
{
var max = -1;
var page = 1000;
if (typeof(V) == typeof(AddressOld))
{
service.setSortBy("UPRN");
}
else if (typeof(V) == typeof(SurvelemOld))
{
service.setSortBy("id");
}
else if (typeof(V) == typeof(QuestionOld))
{
service.setSortBy("Question_Order");
}
else
{
service.setSortBy("Path");
}
service.setSortOrder(NetmeraService.SortOrder.ascending);
var c = service.count();
var loadedCount = 0;
var pages = c / page;
for (int i = 0; i <= pages; i++)
{
service.setPage(i);
service.setMax(page);
var objects = new List <V>();
var list = service.search();
foreach (var netmeraContent in list)
{
var o = JsonConvert.DeserializeObject <V>(netmeraContent.data.ToString());
if (typeof(V) == typeof(AddressOld))
{
(o as AddressOld).UpdateDate = netmeraContent.getUpdateDate();
}
objects.Add(o);
}
if (saveAction == null)
{
Dictionary <Guid, V> oldData = new Dictionary <Guid, V>();
var entities = objects.Select(x =>
{
var s = new T();
var r = action(s, x as V);
if (!r)
{
s.InjectFrom(x);
}
if (!oldData.ContainsKey(s.Id))
{
oldData.Add(s.Id, x);
}
return(s);
}).ToList();
foreach (var entity in entities)
{
if (true)
{
if (DbContext.Set <T>().Any(x => x.NetmeraId == entity.NetmeraId))
{
continue;
}
}
DbContext.Set <T>().Add(entity);
}
DbContext.SaveChanges();
loadedCount += objects.Count;
}
else
{
saveAction(objects);
loadedCount += objects.Count;
}
if (max != -1)
{
if (loadedCount > max)
{
break;
}
}
}
}
async Task <ApiResponse <List <T> > > SearchObjectsWithPaging <T>(NetmeraService service)
{
object locker = new object();
TaskCompletionSource <ApiResponse <List <T> > > _task = new TaskCompletionSource <ApiResponse <List <T> > >();
var page = 100;
//service.setMax(page);
if (typeof(T) == typeof(Models.Address))
{
service.setSortBy("UPRN");
}
else if (typeof(T) == typeof(Models.Survelem))
{
service.setSortBy("id");
}
else if (typeof(T) == typeof(Models.Question))
{
service.setSortBy("Question_Order");
}
else
{
service.setSortBy("Path");
}
service.setSortOrder(NetmeraService.SortOrder.ascending);
service.count((c, e) =>
{
if (e != null)
{
_task.SetResult(new ApiResponse <List <T> >()
{
IsSuccess = false, Message = "Error while processing request. Try again", Exception = e
});
return;
}
else
{
if (c == 0)
{
_task.SetResult(new ApiResponse <List <T> >()
{
Data = new List <T>(), IsSuccess = true
});
return;
}
else
{
bool setResult = false;
int completed = -1;
var pages = c / page;
var objects = new List <T>();
for (int i = 0; i <= pages; i++)
{
service.setPage(i);
service.setMax(page);
service.search((list, exception) =>
{
if (exception != null)
{
lock (locker)
{
if (!setResult)
{
setResult = true;
_task.SetResult(new ApiResponse <List <T> >()
{
IsSuccess = false,
Message = "Error while processing request. Try again",
Exception = exception
});
}
}
}
else
{
lock (locker)
{
foreach (var netmeraContent in list)
{
var o = JsonConvert.DeserializeObject <T>(netmeraContent.data.ToString());
objects.Add(o);
}
completed++;
if (completed == pages)
{
setResult = true;
_task.SetResult(new ApiResponse <List <T> >()
{
Data = objects, IsSuccess = true
});
}
}
}
});
}
}
}
});
return(await _task.Task);
}
