public IActionResult Post([FromBody] DataRequest dataRequest)
{
//return values.Get("search[value]");
return(new JsonResult(ReturnCustomersSet(dataRequest).Result.Value));
}
private async Task <List <List <string> > > getAllItems(DataRequest dataRequest)
{
string sortedColumnName = dataRequest.columns.Find(a => a.data == dataRequest.order[0].column).name;
List <List <string> > customers = new List <List <string> >();
List <Customer> allCustomers = new List <Customer>();
if (!_cache.TryGetValue("customers", out allCustomers))
{
List <string> endPointsToCall = new List <string>();
int itemIDCeiling = 5000; //ID ceiling for each call
int totalCallCount = Convert.ToInt32(Math.Ceiling((double)spRequestItemCount / (double)itemIDCeiling));
for (int x = 0; x < totalCallCount; x++)
{
endPointsToCall.Add($"https://boraakkaya.sharepoint.com/_api/web/lists/getbytitle('HugeList')/items?$select=ID,FirstName,LastName,Position,Status,Birthday&$filter=ID ge {x * itemIDCeiling} and ID lt {(x + 1) * itemIDCeiling}&$top={itemIDCeiling}");
}
HttpClient client = new HttpClient();
SPAccessTokenHelper tokenHelper = new SPAccessTokenHelper(_config);
string spAccessToken = await tokenHelper.getSharePointAccessToken(_config.GetValue <string>("spSiteURL"));
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", spAccessToken);
client.DefaultRequestHeaders.Add("Accept", "application/json");
IEnumerable <Task <List <Customer> > > getItemsQuery = from url in endPointsToCall select getItemsbyEndPoint(url, client);
Task <List <Customer> >[] customerTasks = getItemsQuery.ToArray();
List <Customer>[] customerValuesArray = await Task.WhenAll(customerTasks);
allCustomers = new List <Customer>();
for (int y = 0; y < customerValuesArray.Length; y++)
{
allCustomers.AddRange(customerValuesArray[y]);
}
var cacheEntryOptions = new MemoryCacheEntryOptions()
// Keep in cache for this time, reset time if accessed.
.SetSlidingExpiration(TimeSpan.FromSeconds(30));
// Save data in cache.
_cache.Set("customers", allCustomers, cacheEntryOptions);
}
if (dataRequest.order[0].dir == "asc")
{
allCustomers = allCustomers.OrderBy(x => x.GetType().GetProperty(sortedColumnName).GetValue(x, null)).ToList <Customer>();
}
else
{
allCustomers = allCustomers.OrderByDescending(x => x.GetType().GetProperty(sortedColumnName).GetValue(x, null)).ToList <Customer>();
}
allRecordsCount = allCustomers.Count;
recordsFiltered = allCustomers.Count;
if (dataRequest.search.value != "")
{
string searchQuery = dataRequest.search.value;
allCustomers = allCustomers.FindAll(a => a.FirstName.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || a.LastName.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || a.Status.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || a.Position.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || a.Birthday.ToShortDateString().Contains(searchQuery, StringComparison.OrdinalIgnoreCase));
recordsFiltered = allCustomers.Count;
}
List <Customer> dataPaged = allCustomers.Skip(dataRequest.start).Take(dataRequest.length).ToList <Customer>();
IEnumerable <List <string> > data = from req in dataPaged select new List <string>()
{
req.ID.ToString(), req.FirstName, req.LastName, req.Position, req.Status, req.Birthday.ToShortDateString()
};
customers = data.ToList <List <string> >();
return(customers);
}