private static string CheckRequestCache(Database db, RequestID rid, string UserID, string url)
{
DateTime dt = TimeZone.CurrentTimeZone.ToUniversalTime(DateTime.Now);
RequestCacheCollection col = new RequestCacheCollection();
IDBCollection icol = (IDBCollection)col;
icol.SetConstraint((long)RequestCache.QueryValues.UserID,
new DBConstraint(DBConstraint.QueryConstraints.Equal, UserID));
icol.SetConstraint((long)RequestCache.QueryValues.ValidUntil,
new DBConstraint(DBConstraint.QueryConstraints.Greater, dt.ToOADate().ToString()));
icol.SetConstraint((long)RequestCache.QueryValues.url,
new DBConstraint(DBConstraint.QueryConstraints.Equal, url));
db.ReadRecord((IDBCollection)col);
IDBCollectionContents ccol = (IDBCollectionContents)col;
if (0 == ccol.Count())
{
return(null);
}
IDBRecord rec = ccol.GetRecordInterface(0);
RequestObject obj = (RequestObject)rec.GetDataObject();
Logger.ReportNotice("Using cached response, can make a new call after " + obj.ValidUntil.ToString());
return(Compression.Decompress(obj.Response));
}
private static void WriteRequestCache(Database db, RequestID rid, string UserID, string url, string s)
{
RequestCacheCollection col =
new RequestCacheCollection(rid, UserID, url, s);
IDBCollectionContents ccol = (IDBCollectionContents)col;
for (int i = 0; i < ccol.Count(); ++i)
{ // this loop should normally have only 1 iteration
Logger.ReportNotice("Response Cached.");
db.InsertRecord(ccol.GetRecordInterface(i));
}
}
