public DataTableColumnOrder GetValue(ModelBindingContext context)
{
var modelname = context.ModelName;
var model = new DataTableColumnOrder();
if (int.TryParse(DataTableBinderProvider.GetValue(context, $"{ modelname }[column]"), out int columnIndex))
{
model.Column = columnIndex;
}
model.Dir = DataTableBinderProvider.GetValue(context, $"{ modelname }[dir]");
return(model);
}
public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
var allValues = bindingContext.HttpContext.Request.Query;
DataTableOptions DTOs = new DataTableOptions {
Draw = allValues.FirstOrDefault(a => a.Key == "draw").Value,
Start = Convert.ToInt32(allValues.FirstOrDefault(a => a.Key == "start").Value),
Length = Convert.ToInt32(allValues.FirstOrDefault(a => a.Key == "length").Value)
};
if (allValues.Any(a => a.Key.Length > 9 && a.Key.Substring(0, 9).Contains("columns")))
{
var myListIndex = 0;
var myListIndexComparer = 0;
var allColumns = allValues.Where(a => a.Key.Length > 9 && a.Key.Substring(0, 9).Contains("columns")).ToList();
DataTableColumn DTC = new DataTableColumn();
DataTableColumnSearch DTCS = new DataTableColumnSearch();
DTOs.columns = new List <DataTableColumn>();
foreach (var column in allColumns)
{
var perColumnArray = column.Key.Split(new char[] { '[', ']' }, StringSplitOptions.RemoveEmptyEntries);
var rawIndex = perColumnArray[1];
if (!int.TryParse(rawIndex, out myListIndex))
{
return(Task.CompletedTask);
}
if (myListIndexComparer != myListIndex)
{
DTC.search = DTCS;
DTOs.columns.Add(DTC);
DTC = new DataTableColumn();
DTCS = new DataTableColumnSearch();
}
myListIndexComparer = myListIndex;
switch (perColumnArray[2])
{
case "data":
DTC.data = column.Value;
break;
case "name":
DTC.name = column.Value;
break;
case "searchable":
DTC.searchable = String.IsNullOrWhiteSpace(column.Value) ? false : Convert.ToBoolean(column.Value);
break;
case "orderable":
DTC.orderable = String.IsNullOrWhiteSpace(column.Value) ? false : Convert.ToBoolean(column.Value);
break;
case "search":
if (perColumnArray[3] == "regex")
{
DTCS.regex = String.IsNullOrWhiteSpace(column.Value) ? false : Convert.ToBoolean(column.Value);
}
if (perColumnArray[3] == "value")
{
DTCS.value = column.Value;
}
break;
}
if (allColumns.IndexOf(column) == allColumns.IndexOf(allColumns.Last()))
{
DTC.search = DTCS;
DTOs.columns.Add(DTC);
}
}
}
if (allValues.Any(a => a.Key.Length > 7 && a.Key.Substring(0, 7).Contains("order")))
{
var myListIndex = 0;
var myListIndexComparer = 0;
var allOrders = allValues.Where(a => a.Key.Length > 7 && a.Key.Substring(0, 7).Contains("order")).ToList();
DataTableColumnOrder DTCO = new DataTableColumnOrder();
DTOs.order = new List <DataTableColumnOrder>();
foreach (var order in allOrders)
{
var perColumnArray = order.Key.Split(new char[] { '[', ']' }, StringSplitOptions.RemoveEmptyEntries);
var rawIndex = perColumnArray[1];
if (!int.TryParse(rawIndex, out myListIndex))
{
return(Task.CompletedTask);
}
if (myListIndexComparer != myListIndex)
{
DTOs.order.Add(DTCO);
DTCO = new DataTableColumnOrder();
}
myListIndexComparer = myListIndex;
switch (perColumnArray[2])
{
case "column":
DTCO.Column = Convert.ToInt32(order.Value);
break;
case "dir":
DTCO.Dir = order.Value;
break;
}
if (allOrders.IndexOf(order) == allOrders.IndexOf(allOrders.Last()))
{
DTOs.order.Add(DTCO);
}
}
}
if (allValues.Any(a => a.Key.Length > 7 && a.Key.Substring(0, 8).Contains("search")))
{
var allSearches = allValues.Where(a => a.Key.Length > 8 && a.Key.Substring(0, 8).Contains("search")).ToList();
DataTableColumnSearch DTCS = new DataTableColumnSearch();
DTOs.search = new DataTableColumnSearch();
foreach (var search in allSearches)
{
var perColumnArray = search.Key.Split(new char[] { '[', ']' }, StringSplitOptions.RemoveEmptyEntries);
switch (perColumnArray[1])
{
case "value":
DTCS.value = search.Value;
break;
case "regex":
DTCS.regex = String.IsNullOrWhiteSpace(search.Value) ? false : Convert.ToBoolean(search.Value);
break;
}
if (allSearches.IndexOf(search) == allSearches.IndexOf(allSearches.Last()))
{
DTOs.search = DTCS;
}
}
}
bindingContext.Result = ModelBindingResult.Success(DTOs);
return(Task.CompletedTask);
}
