private IList <T> GetPaginatedItems <T>(IEnumerable <T> items,
PaginationParametersBase paginationParameters)
{
return(items
.Skip(paginationParameters.Offset ?? 0)
.Take(paginationParameters.PageSize)
.ToList());
}
public PaginatedList(IEnumerable <T> items, int count, PaginationParametersBase paginationParameters)
{
PageIndex = paginationParameters.PageIndex;
TotalPages = (int)Math.Ceiling(count / (double)paginationParameters.PageSize);
NumberOfResults = count;
AddRange(items);
}
public async Task <IActionResult> OnGetAsync(int?pageIndex = null, int?offset = null)
{
if (!ModelState.IsValid || SearchKeyword.IsNullOrEmpty())
{
return(Page());
}
_paginationParameters = new PaginationParametersBase
{
PageSize = 20, PageIndex = pageIndex ?? 1, Offset = offset ?? 0
};
var(caseManagersToDisplay, count) =
await _caseManagerSearchService.OrderAndPaginateQueryableAsync(SearchKeyword, _paginationParameters);
CaseManagersSearchResults = new PaginatedList <User>(caseManagersToDisplay, count, _paginationParameters);
if (CaseManagersSearchResults.HasNextPage)
{
NextPageUrl = QueryHelpers.AddQueryString("/ServiceDirectory/SearchResults",
new Dictionary <string, string>
{
{ "SearchKeyword", SearchKeyword },
{ "pageIndex", (_paginationParameters.PageIndex + 1).ToString() },
{ "offset", (_paginationParameters.Offset + caseManagersToDisplay.Count).ToString() }
});
}
if (CaseManagersSearchResults.HasPreviousPage)
{
PreviousPageUrl = QueryHelpers.AddQueryString("/ServiceDirectory/SearchResults",
new Dictionary <string, string>
{
{ "SearchKeyword", SearchKeyword },
{ "pageIndex", (_paginationParameters.PageIndex - 1).ToString() },
{ "offset", (_paginationParameters.Offset - _paginationParameters.PageSize).ToString() }
});
}
PrepareBreadcrumbs();
return(Page());
}
public async Task <(IList <User> caseManagers, int count)> OrderAndPaginateQueryableAsync(
string searchKeyword,
PaginationParametersBase paginationParameters)
{
var searchKeywords = searchKeyword.Split(" ")
.Where(x => !x.IsNullOrEmpty())
.Select(s => s.ToLower()).ToList();
var caseManagers = await _referenceDataRepository.GetAllCaseManagersQueryable()
.ToListAsync();
// This query is too complex to translate to sql, so we explicitly work on an in-memory list.
// The size of the directory should make this ok.
var filtered = caseManagers.Where(c =>
searchKeywords.Any(s => c.FamilyName.ToLower().Contains(s)) ||
searchKeywords.Any(s => c.GivenName.ToLower().Contains(s)) ||
c.CaseManagerTbServices.Any(x =>
searchKeywords.Any(s => x.TbService.Name.ToLower().Contains(s))))
.ToList();
return(GetPaginatedItems(filtered, paginationParameters), filtered.Count);
}
public (IList <ServiceDirectoryItemWrapper>, int) GetPaginatedItems(
IList <PHEC> regions,
IList <User> users,
IList <TBService> tbServices,
IList <Hospital> hospitals,
PaginationParametersBase paginationParameters)
{
var serviceDirectoryItems = new List <ServiceDirectoryItemWrapper>();
serviceDirectoryItems.AddRange(regions.Select(r => new ServiceDirectoryItemWrapper(r)));
serviceDirectoryItems.AddRange(tbServices.Select(t => new ServiceDirectoryItemWrapper(t)));
serviceDirectoryItems.AddRange(hospitals.Select(h => new ServiceDirectoryItemWrapper(h)));
serviceDirectoryItems.AddRange(users.Select(u => new ServiceDirectoryItemWrapper(u)));
var paginatedServiceDirectoryItems = serviceDirectoryItems
.Skip(paginationParameters.Offset ?? 0)
.Take(paginationParameters.PageSize)
.ToList();
return(paginatedServiceDirectoryItems, serviceDirectoryItems.Count);
}
public async Task <IActionResult> OnGetAsync(int?pageIndex = null, int?offset = null)
{
if (!ModelState.IsValid || SearchKeyword.IsNullOrEmpty())
{
return(Page());
}
_paginationParameters = new PaginationParametersBase
{
PageSize = 20,
PageIndex = pageIndex ?? 1,
Offset = offset ?? 0
};
var searchKeywords = SearchStringHelper.GetSearchKeywords(SearchKeyword);
var usersToDisplay = await _userSearchService.OrderQueryableAsync(searchKeywords);
var regionsToDisplay = await _referenceDataRepository.GetPhecsBySearchKeywords(searchKeywords);
var tbServicesToDisplay = await _referenceDataRepository.GetActiveTBServicesBySearchKeywords(searchKeywords);
var hospitalsToDisplay = await _referenceDataRepository.GetActiveHospitalsBySearchKeywords(searchKeywords);
var(paginatedResults, count) =
_serviceDirectoryService.GetPaginatedItems(
regionsToDisplay,
usersToDisplay,
tbServicesToDisplay,
hospitalsToDisplay,
_paginationParameters);
DirectorySearchResults = new PaginatedList <ServiceDirectoryItemWrapper>(paginatedResults, count, _paginationParameters);
AllPhecs = await _referenceDataRepository.GetAllPhecs();
if (DirectorySearchResults.HasNextPage)
{
NextPageUrl = QueryHelpers.AddQueryString("/ServiceDirectory/SearchResults",
new Dictionary <string, string>
{
{ "SearchKeyword", SearchKeyword },
{ "pageIndex", (_paginationParameters.PageIndex + 1).ToString() },
{ "offset", (_paginationParameters.Offset + paginatedResults.Count).ToString() }
});
}
if (DirectorySearchResults.HasPreviousPage)
{
PreviousPageUrl = QueryHelpers.AddQueryString("/ServiceDirectory/SearchResults",
new Dictionary <string, string>
{
{ "SearchKeyword", SearchKeyword },
{ "pageIndex", (_paginationParameters.PageIndex - 1).ToString() },
{ "offset", (_paginationParameters.Offset - _paginationParameters.PageSize).ToString() }
});
}
PrepareBreadcrumbs();
return(Page());
}
