internal static void AppendKeywordOrClause(StringBuilder query, PropertyKeyword keyword, ICollection <string> valuesToQuery)
{
EnumValidator.ThrowIfInvalid <PropertyKeyword>(keyword);
if (valuesToQuery != null && valuesToQuery.Count > 0)
{
bool flag = false;
foreach (string value in valuesToQuery)
{
if (!string.IsNullOrEmpty(value))
{
if (!flag)
{
flag = true;
AqsQueryBuilder.AppendLeadingSpaceIfNecessary(query);
query.Append(keyword.ToString().ToLower()).Append(":(");
}
else
{
query.Append(AqsQueryBuilder.AqsQueryORSeparator);
}
query.Append("\"").Append(value).Append("\"");
}
}
if (flag)
{
query.Append(")");
}
}
}
internal static void AppendDateClause(StringBuilder query, PropertyKeyword keyword, DateRangeQueryOperation operation, DateTime date)
{
EnumValidator.ThrowIfInvalid <PropertyKeyword>(keyword, AqsQueryBuilder.ValidDateKeywords);
EnumValidator.ThrowIfInvalid <DateRangeQueryOperation>(operation);
AqsQueryBuilder.AppendLeadingSpaceIfNecessary(query);
query.Append(keyword.ToString().ToLower()).Append(":(");
switch (operation)
{
case DateRangeQueryOperation.Equal:
query.Append("=");
break;
case DateRangeQueryOperation.GreaterThan:
query.Append(">");
break;
case DateRangeQueryOperation.GreaterThanOrEqual:
query.Append(">=");
break;
case DateRangeQueryOperation.LessThan:
query.Append("<");
break;
case DateRangeQueryOperation.LessThanOrEqual:
query.Append("<=");
break;
}
query.Append(date.ToLocalTime().ToString(AqsQueryBuilder.AqsDateTimeFormat, CultureInfo.InvariantCulture));
query.Append(")");
}
private IEnumerable <ItemType> FindItemsPaged()
{
QueryStringType searchQueryStringToUse = this.queryString;
bool keepLooking;
do
{
keepLooking = false;
ItemType[] items;
if (this.queryString != null)
{
items = this.auditLog.ewsClient.FindItemsWithFAST(this.auditLog.auditFolderId, null, EwsAuditLog.EwsAuditLogQueryContext.SortByReceivedTime, searchQueryStringToUse);
}
else
{
items = this.auditLog.ewsClient.FindItems(this.auditLog.auditFolderId, null, EwsAuditLog.EwsAuditLogQueryContext.SortByReceivedTime, this.queryFilter);
}
DateTime?earliestReceivedTime = null;
bool useLessOrEqualFilter = false;
if (this.IsTraceEnabled(TraceType.DebugTrace))
{
this.Tracer.TraceDebug <int>(0L, "Query results returned: {0}.", items.Length);
}
if (EwsAuditLog.EwsAuditLogQueryContext.IsSearchResultLimitedByFast(this.queryString, items))
{
if (this.IsTraceEnabled(TraceType.DebugTrace))
{
this.Tracer.TraceDebug(0L, "Query results may be limited by FAST.");
}
if (items[items.Length - 1].DateTimeReceivedSpecified)
{
earliestReceivedTime = new DateTime?(items[items.Length - 1].DateTimeReceived);
useLessOrEqualFilter = (items[0].DateTimeReceived != earliestReceivedTime.Value);
keepLooking = true;
if (this.IsTraceEnabled(TraceType.DebugTrace))
{
this.Tracer.TraceDebug <DateTime?, bool>(0L, "Earliest item seen=[{0}] useLessOrEqualFilter=[{1}].", earliestReceivedTime, useLessOrEqualFilter);
}
}
}
foreach (ItemType item in items)
{
yield return(item);
}
if (keepLooking)
{
searchQueryStringToUse = null;
if (this.queryString != null && this.queryString.Value != null && earliestReceivedTime != null)
{
ExDateTime exDateTime = new ExDateTime(ExTimeZone.UtcTimeZone, earliestReceivedTime.Value);
StringBuilder stringBuilder = new StringBuilder(this.queryString.Value);
AqsQueryBuilder.AppendDateClause(stringBuilder, PropertyKeyword.Received, useLessOrEqualFilter ? DateRangeQueryOperation.LessThanOrEqual : DateRangeQueryOperation.LessThan, exDateTime.UniversalTime);
searchQueryStringToUse = new QueryStringType
{
Value = stringBuilder.ToString()
};
}
keepLooking = (searchQueryStringToUse != null);
}
if (this.IsTraceEnabled(TraceType.DebugTrace))
{
this.Tracer.TraceDebug <bool>(0L, "Make another query: [{0}]", keepLooking);
}
}while (keepLooking);
yield break;
}