public async Task <IActionResult> NameSearch([FromQuery] string name, CancellationToken cancellationToken)
{
var criteria = new DatasetSearch
{
Page = 0,
SortOrder = SortOrder.Name,
Terms = name,
};
var response = await this.DataSearchService.SearchAsync(criteria, cancellationToken).ConfigureAwait(false);
if (response == null)
{
return(this.NoContent());
}
var results = response.Value
.Select(ds => new DatasetNameSearchResult
{
Id = ds.Id,
Name = ds.Name,
})
.ToList();
return(this.Ok(results));
}
private static StringBuilder AppendDomainFilterString(DatasetSearch 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> GetDatasetList([FromQuery] int page, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var result = await DatasetSearch.GetAsync(Math.Max(0, page - 1), cancellationToken).ConfigureAwait(false);
return(Ok(result));
}
private static string CreateFilterString(DatasetSearch 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());
}
public async Task <IActionResult> Search([FromBody] DatasetSearch criteria, CancellationToken cancellationToken)
{
criteria.Page = Math.Max(0, criteria.Page - 1);
var response = await this.DataSearchService.SearchAsync(criteria, cancellationToken)
.ConfigureAwait(false);
if (response == null)
{
return(this.NoContent());
}
return(this.Ok(new PagedResult <DatasetViewModel>
{
RecordCount = response.RecordCount,
PageCount = response.PageCount,
Value = response.Value.Select(d => d.ToDatasetViewModel()).ToList()
}));
}
/// <summary>
/// Searches the asynchronous.
/// </summary>
/// <param name="criteria">The criteria.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The search results.</returns>
public async Task <PagedResult <Dataset> > SearchAsync(DatasetSearch criteria, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var orderBy = string.Empty;
switch (criteria.SortOrder)
{
case SortOrder.LastModified:
orderBy = "modified desc";
break;
case SortOrder.Featured:
orderBy = "isFeatured desc, name asc";
break;
default:
orderBy = "name asc";
break;
}
var parameters = new SearchParameters()
{
OrderBy = new[] { orderBy },
Top = PageHelper.PageSize,
Skip = criteria.Page * PageHelper.PageSize,
IncludeTotalResultCount = true,
ScoringProfile = "textBoostScoring"
};
parameters.Facets = criteria.Facets.Keys.ToList();
parameters.Filter = CreateFilterString(criteria);
var results = await this.Client.Documents.SearchAsync <DatasetStorageItem>(criteria.Terms, parameters, null, cancellationToken);
return(new PagedResult <Dataset>
{
RecordCount = results.Count.GetValueOrDefault(),
PageCount = PageHelper.CalculateNumberOfPages(results.Count),
Value = (from item in results.Results
let doc = item.Document
select doc.ToDataset()).ToList()
});
}
private static StringBuilder AppendLicenseFilterString(DatasetSearch 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);
}
