private async Task <GridFSFileInfo> GetFileInfoAsync(string fileName)
{
var filter = Builders <GridFSFileInfo> .Filter.Eq(x => x.Filename, fileName);
var fileInfo = await GridFsBucket.Find(filter).FirstOrDefaultAsync();
return(fileInfo);
}
public IEnumerable <MongoItemVM> GetAllFiles(int skip, int take)
{
var options = new GridFSFindOptions
{
Limit = take,
Skip = skip,
};
var stream = GridFsBucket
.Find(new BsonDocumentFilterDefinition <GridFSFileInfo <ObjectId> >(new BsonDocument()), options)
.ToList()
.Select(s => new MongoItemVM
{
Id = s.Id,
Filename = s.Filename,
MetaData = s.Metadata,
Length = s.Length + "",
UploadDateTime = s.UploadDateTime,
}).ToList();
return(stream);
}
public IEnumerable <MongoItemVM> GetAllFilesByContentType(string contentType, int skip, int take)
{
var filter = Builders <GridFSFileInfo> .Filter
.Eq(info => info.Metadata, new BsonDocument(new BsonElement("contentType", contentType)));
var options = new GridFSFindOptions
{
Limit = take,
Skip = skip,
};
var stream = GridFsBucket.Find(filter, options)
.ToList()
.Select(s => new MongoItemVM
{
Id = s.Id,
Filename = s.Filename,
MetaData = s.Metadata,
Length = s.Length + "",
UploadDateTime = s.UploadDateTime,
}).ToList();
return(stream);
}
public Task <bool> AnyAsync(string fileName)
{
var filter = Builders <GridFSFileInfo> .Filter.Where(x => x.Filename == fileName);
return(GridFsBucket.Find(filter).AnyAsync());
}
public async Task <bool> AnyAsync(ObjectId id)
{
var filter = Builders <GridFSFileInfo> .Filter.Eq("_id", id);
return(await GridFsBucket.Find(filter).AnyAsync());
}