public async Task <List <string> > GetPaginationUris(IssueTableFilter filter)
{
if (filter == null)
{
filter = new IssueTableFilter();
}
var dict = new Dictionary <string, string>();
var res = new List <string>();
dict.Add("Filter.PerPage", filter.PerPage.ToString());
dict.Add("Filter.TypeId", filter.TypeId.ToString());
dict.Add("Filter.StatusId", filter.StatusId.ToString());
var query = QueryString.Create(dict).Value;
var issueCount = await _ctx.Issues.Where(i => i.ProjectId == ProjectId &&
(filter.TypeId == 0 || filter.TypeId == i.TypeId) &&
(filter.StatusId == 0 || filter.StatusId == i.StatusId))
.CountAsync();
var totalPages = issueCount % filter.PerPage == 0 ? issueCount / filter.PerPage : issueCount / filter.PerPage + 1;
var req = _httpCtxAccessor.HttpContext.Request;
for (int i = 1; i <= totalPages; i++)
{
var uri = $"{req.Scheme}://{req.Host.ToUriComponent()}/IssuesTable{query}&CurrentPage={i}";
res.Add(uri);
}
return(res);
}
public async Task <IssueTableViewModel> GetIssueTableViewModel(IssueTableFilter filter, int currentPage)
{
var issueTableVM = new IssueTableViewModel();
ProjectId = (int)_httpCtxAccessor.HttpContext.Session.GetInt32("projectId");
issueTableVM.Issues = await GetIssues(filter, currentPage);
issueTableVM.Types = await GetTypeSelectItems();
issueTableVM.Status = await GetStatusSelectItems();
foreach (var t in issueTableVM.Types)
{
if (t.Id == filter.TypeId)
{
issueTableVM.SelectedType = t;
break;
}
}
foreach (var s in issueTableVM.Status)
{
if (s.Id == filter.StatusId)
{
issueTableVM.SelectedStatus = s;
break;
}
}
return(issueTableVM);
}
public async Task OnGetAsync(IssueTableFilter filter, int currentPage = 1)
{
IssueTable = await _issuesTableVMService.GetIssueTableViewModel(filter, currentPage);
PageUris = await _issuesTableVMService.GetPaginationUris(filter);
CurrentPage = currentPage;
}
public async Task <List <IssueTableItemViewModel> > GetIssues(IssueTableFilter filter, int currentPage)
{
var skip = (currentPage - 1) * filter.PerPage;
return(await _ctx.Issues.Include(i => i.Type)
.Include(i => i.Status)
.Where(i => i.ProjectId == ProjectId &&
(filter.TypeId == 0 || filter.TypeId == i.TypeId) &&
(filter.StatusId == 0 || filter.StatusId == i.StatusId))
.Select(i => new IssueTableItemViewModel
{
Id = i.Id,
Name = i.Name,
Type = i.Type,
Status = i.Status,
DueDate = i.DueDate
})
.Skip(skip)
.Take(filter.PerPage)
.ToListAsync());
}