/// <summary> /// Returns a gradebook column with scores. /// </summary> /// <param name="id">The gradebook column id.</param> /// <returns>The gradebook column.</returns> public async Task <GradebookColumn> GetGradebookColumnAsync(int id) { return(await GradebookColumns .Include(c => c.Scores) .SingleOrDefaultAsync(c => c.Id == id)); }
/// <summary> /// Returns the gradebook column for a resource link if there is exactly one. Otherwise /// returns null. /// </summary> /// <param name="id">The resource link id.</param> /// <returns>The gradebook column.</returns> public async Task <GradebookColumn> GetGradebookColumnByResourceLinkIdAsync(int id) { var gradebooksColumns = await GradebookColumns.Where(c => c.ResourceLink.Id == id).ToListAsync(); return(gradebooksColumns.Count == 1 ? gradebooksColumns[0] : null); }