private string BuildQuery()
{
Criteria contentTypeCriteria = Criteria.Eq("Content Type", "Computed", NewsContentType);
Criteria dateCriteria = Criteria.Geq("Modified", "DateTime", "<Today OffsetDays='-7'/>");
List<Expression> domainCriteria = new List<Expression>();
List<Expression> audienceCriteria = new List<Expression>();
bool joinWithAnd = false;
if (ddlCommunities.SelectedItem.Text != "All")
{
domainCriteria.Add(Criteria.Eq(CategoryDomains, "LookupMulti", ddlCommunities.SelectedItem.Text));
joinWithAnd = true;
}
else
{
CreateCriteria(EstablishedCommunities, CategoryDomains, ref domainCriteria);
}
if (ddlAudience.SelectedItem.Text != "All")
{
audienceCriteria.Add(Criteria.Eq(CategoryAudience, "LookupMulti", ddlAudience.SelectedItem.Text));
joinWithAnd = true;
}
else
{
CreateCriteria(EstablilshedAudiences, CategoryAudience, ref audienceCriteria);
}
Expression expression = null;
Expression domainExpression = null;
Expression audienceExpression = null;
switch (domainCriteria.Count)
{
default:
Operator domainOperator = new Or();
domainOperator.AddRange((IEnumerable<Expression>)domainCriteria);
domainExpression = domainOperator;
break;
case 0:
domainExpression = contentTypeCriteria;
break;
case 1:
domainExpression = domainCriteria[0];
break;
}
switch (audienceCriteria.Count)
{
default:
Operator audienceOperator = new Or();
audienceOperator.AddRange((IEnumerable<Expression>)audienceCriteria);
audienceExpression = audienceOperator;
break;
case 0:
audienceExpression = contentTypeCriteria;
break;
case 1:
audienceExpression = audienceCriteria[0];
break;
}
if (joinWithAnd == true)
{
expression = domainExpression * audienceExpression;
}
else
{
expression = domainExpression + audienceExpression;
}
Or freeTextCriteria = null;
//check free text
if (!string.IsNullOrEmpty(txtSearch.Text))
{
freeTextCriteria = Operator.Or(
Criteria.Contains("Title", "Text", txtSearch.Text),
Criteria.Contains("PublishingPageContent", "Note", txtSearch.Text)
);
}
if (freeTextCriteria != null)
{
expression = expression * freeTextCriteria;
}
if ((ddlCommunities.SelectedItem.Text == "All") && (ddlAudience.SelectedItem.Text == "All") && freeTextCriteria == null)
{
expression = dateCriteria * expression;
}
string result = String.Format("<Where>{0}</Where>", expression.GetCAML());
return(result);
}