public async Task <int> Count(BodyPartClassifications classifications, bool?recentImagesOnly)
{
var data = GetQueryable(classifications, recentImagesOnly);
var results = await data.CountAsync();
return(results);
}
private IMongoQueryable <BodyPartReference> GetQueryable(BodyPartClassifications classifications, bool?recentImagesOnly)
{
var query = _collection.AsQueryable();
if (classifications.Gender.HasValue)
{
query = query.Where(x => x.Classifications.Gender == classifications.Gender);
}
if (classifications.BodyPart.HasValue)
{
query = query.Where(x => x.Classifications.BodyPart == classifications.BodyPart);
}
if (classifications.ViewAngle.HasValue)
{
query = query.Where(x => x.Classifications.ViewAngle == classifications.ViewAngle);
}
if (recentImagesOnly == true)
{
// get the most recent upload, then include anything within 30 days of that
}
query = query.Where(x => x.Status == Status.Active);
return(query);
}
public async Task <BodyPartReference> Get(BodyPartClassifications classifications, List <string> excludeIds, bool?recentImagesOnly)
{
var data = GetQueryable(classifications, recentImagesOnly);
data = data.Where(x => !excludeIds.Contains(x.Id));
var recordCount = await data.CountAsync();
if (recordCount == 0)
{
return(null);
}
var random = RandomGenerator.Next(0, recordCount);
var result = data.Skip(random).First();
return(result);
}
