public ChunkCollectionEnt Get(string courseId, string blockId, ref string errorInfo)
{
_log.Debug("Get material info for course " + courseId + " block " + blockId);
string sql = string.Format("select update_time, download_url from chunk_collection where course_id='{0}' and block_id='{1}'"
, courseId, blockId);
DataSet ds = Query(sql);
if (ds == null)
{
throw new Exception("Failed to query learn material data");
}
if (ds.Tables[0].Rows.Count == 0)
{
errorInfo = "Course or block not exist";
return(null);
}
ChunkCollectionEnt ent = new ChunkCollectionEnt();
ent.CourseId = courseId;
ent.BlockId = blockId;
ent.UpdateTime = DateTime.Parse(ds.Tables[0].Rows[0][0].ToString() + "Z");
ent.DownloadUrl = ds.Tables[0].Rows[0][1].ToString();
return(ent);
}
public IHttpActionResult Get(string courseId, string blockId)
{
_log.Info("Checking the material of course " + courseId + " and block " + blockId);
try
{
string errorInfo = string.Empty;
ChunkCollectionEnt ent = (new LearnMaterial()).Get(courseId, blockId, ref errorInfo);
if (ent == null)
{
if (errorInfo == "Course or block not exist")
{
return(NotFound());
}
return(BadRequest(errorInfo));
}
return(Ok(ent));
}
catch (Exception ex)
{
_log.Error(ex.ToString());
return(BadRequest(ex.ToString()));
}
}
