public SearchAttachmentPage()
{
InitializeComponent();
BindingContext = new SearchAttachmentViewModel();
}
public async Task <IHttpActionResult> LoadAttachment(SearchAttachmentViewModel info)
{
#region Parameter validation
if (info == null)
{
info = new SearchAttachmentViewModel();
Validate(info);
}
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
#endregion
// Get all attachment from database
var attachments = UnitOfWork.RepositoryAttachment.Search();
// Id have been defined
if (info.Ids != null && info.Ids.Count > 0)
{
info.Ids = info.Ids.Where(x => x > 0).ToList();
if (info.Ids != null && info.Ids.Count > 0)
{
attachments = attachments.Where(x => info.Ids.Contains(x.Id));
}
}
// Student id have been defined
if (info.StudentIds != null && info.StudentIds.Count > 0)
{
info.StudentIds = info.StudentIds.Where(x => x > 0).ToList();
if (info.StudentIds != null && info.StudentIds.Count > 0)
{
attachments = attachments.Where(x => info.StudentIds.Contains(x.StudentId));
}
}
var attachmentDetails = attachments.Select(attachment => new AttachmentDetailsModel
{
Id = attachment.Id,
StudentId = attachment.StudentId,
Name = attachment.Name,
Type = attachment.Type
});
// Do sorting.
var sorting = info.Sort;
if (sorting != null)
{
attachmentDetails = UnitOfWork.Sort(attachmentDetails, sorting.Direction, sorting.Property);
}
else
{
attachmentDetails = UnitOfWork.Sort(attachmentDetails, SortDirection.Ascending,
AttachmentPropertySort.Name);
}
// Paginate.
var result = new SearchResult <IList <AttachmentDetailsModel> >
{
Total = attachmentDetails.Count(),
Records = await UnitOfWork.Paginate(attachmentDetails, info.Pagination).ToListAsync()
};
return(Ok(result));
}
