public static FilterDefinition <Job> BuildFilters(this JobQuery query)
{
var filters = new List <FilterDefinition <Job> >();
var builder = Builders <Job> .Filter;
filters.Add(builder.Eq(x => x.QueueId, query.QueueId));
if (query.JobIds != null && query.JobIds.Any())
{
filters.Add(builder.In(x => x.Id, query.JobIds));
}
foreach (var attribute in query.HasAttributes)
{
var valueType = attribute.Value.GetType();
if (typeof(IEnumerable).IsAssignableFrom(valueType) && valueType != typeof(string))
{
var values = (IEnumerable)attribute.Value;
// Handle JArrays which always old JTokens, this unfurls the value.
var jArray = attribute.Value as JArray;
if (jArray != null)
{
values = jArray.ToObject <object[]>();
}
var orValueFilters = new List <FilterDefinition <Job> >();
foreach (var value in values)
{
var hasAttribute = builder.Eq(x => x.Attributes[attribute.Key], value);
orValueFilters.Add(hasAttribute);
}
var anyOfTheseValuesFilter = builder.Or(orValueFilters);
filters.Add(anyOfTheseValuesFilter);
}
else
{
var hasAttribute = builder.Eq(x => x.Attributes[attribute.Key], attribute.Value);
filters.Add(hasAttribute);
}
}
if (query.HasBeenAcknowledged.HasValue)
{
var hasBeenAcknowledged = builder.Not(builder.Eq(x => x.Acknowledgment, null));
var hasNotBeenAcknowledged = builder.Eq(x => x.Acknowledgment, null);
filters.Add(query.HasBeenAcknowledged.Value ? hasBeenAcknowledged : hasNotBeenAcknowledged);
}
if (query.HasResult.HasValue)
{
var hasFinished = builder.Not(builder.Eq(x => x.Result, null));
var hasNoResults = builder.Eq(x => x.Result, null);
filters.Add(query.HasResult.Value ? hasFinished : hasNoResults);
}
if (!string.IsNullOrWhiteSpace(query.AdhocQuery))
{
BsonDocument bsonDocumentFilter;
try
{
bsonDocumentFilter = BsonSerializer.Deserialize <BsonDocument>(query.AdhocQuery);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Invalid adhocQuery ({query.AdhocQuery})", ex);
}
filters.Add(bsonDocumentFilter);
}
if (!(query.AdhocFilter == null))
{
filters.Add(query.AdhocFilter);
}
var matchesAllFilters = Builders <Job> .Filter.And(filters);
return(matchesAllFilters);
}
public async Task <long> QueryCount(JobQuery query)
{
return(await _jobs.Find(query.BuildFilters()).CountAsync().ConfigureAwait(false));
}