/// <summary>
/// Searches for dataset nominations
/// </summary>
/// <param name="criteria">The criteria.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The search results.</returns>
public async Task <PagedResult <DatasetNomination> > SearchNominations(NominationSearch criteria, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var parameters = new SearchParameters
{
//OrderBy = new[] {(criteria.SortOrder == SortOrder.Modified ? "modified desc" : "name asc")},
OrderBy = new[] { "timeStamp desc" },
Top = PageHelper.PageSize,
Skip = criteria.Page * PageHelper.PageSize,
IncludeTotalResultCount = true,
ScoringProfile = "textBoostScoring",
Facets = criteria.Facets.Keys.ToList(),
Filter = CreateFilterString(criteria)
};
var searchTerm = string.IsNullOrWhiteSpace(criteria.Terms) ? "*" : criteria.Terms;
var results = await Client.Documents.SearchAsync <DatasetNominationStorageItem>(searchTerm, parameters, null, cancellationToken);
return(new PagedResult <DatasetNomination>
{
PageCount = PageHelper.CalculateNumberOfPages(results.Count),
Value = (from item in results.Results
let doc = item.Document
select doc.ToDatasetNomination()).ToList()
});
}
private static StringBuilder AppendDomainFilterString(NominationSearch criteria, StringBuilder sb)
{
var domainValues = criteria.Facets[FacetKey.DomainId].Where(t => !string.IsNullOrEmpty(t)).ToList();
if (!domainValues.Any())
{
return(sb);
}
sb.Append($" ( ");
bool needsOr = false;
foreach (var value in domainValues)
{
if (!needsOr)
{
needsOr = true;
}
else
{
sb.Append($" or ");
}
sb.Append($"{FacetKey.DomainId} eq '{value}'");
}
sb.Append($" ) ");
return(sb);
}
public async Task <IActionResult> Search([FromBody] NominationSearch criteria, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
criteria.Page = Math.Max(0, criteria.Page - 1);
var response = await UserDataSearch.SearchNominations(criteria, cancellationToken).ConfigureAwait(false);
return(Ok(response));
}
private static string CreateFilterString(NominationSearch criteria)
{
StringBuilder sb = new StringBuilder();
// Convert the facets into OData formatted query members
foreach (var facetKey in criteria.Facets.Keys.Where(t => !string.IsNullOrEmpty(t)))
{
var key = UpdateFacetKey(facetKey);
if (sb.Length > 0)
{
sb.Append(" and ");
}
if (key == FacetKey.DomainId)
{
sb = AppendDomainFilterString(criteria, sb);
}
else if (key == FacetKey.LicenseId)
{
sb = AppendLicenseFilterString(criteria, sb);
}
else
{
bool needsOr = false;
foreach (var value in criteria.Facets[key].Where(t => !string.IsNullOrEmpty(t)))
{
if (!needsOr)
{
needsOr = true;
}
else
{
sb.Append($" and ");
}
sb.Append($"{key}/any(t:");
sb.Append($"t eq '{value.Replace("'", "''")}'");
sb.Append(")");
}
}
}
return(sb.ToString());
}
private static StringBuilder AppendLicenseFilterString(NominationSearch criteria, StringBuilder sb)
{
bool needsOr = false;
foreach (var value in criteria.Facets[FacetKey.LicenseId].Where(t => !string.IsNullOrEmpty(t)))
{
if (!needsOr)
{
needsOr = true;
}
else
{
sb.Append($" and ");
}
sb.Append($"{FacetKey.LicenseId} eq '{value}'");
}
return(sb);
}
