public Expression <Func <ProtoContent, bool> > HandleWhere(ContentWhereCondition condition, object param,
ContentType contentType,
out bool callNextHandler)
{
callNextHandler = true;
if (!(param is BooleanFieldTableFilterFormItem))
{
return(null);
}
var par = param.DirectCastTo <BooleanFieldTableFilterFormItem>();
if (!par.IsEnabled)
{
return(null);
}
var fn = $"{par.FieldName}.{nameof(BooleanField.Val)}";
var isCheck = par.IsChecked;
// content field boolean value can be null, true, or false, so null is considered false
if (isCheck)
{
return(x => x.ContentFields.Any(cf => cf.FieldName == fn && cf.BooleanValue == true));
}
return(x => x.ContentFields.Any(cf => cf.FieldName == fn && cf.BooleanValue != true));
}
public Expression <Func <ProtoContent, bool> > HandleWhere(ContentWhereCondition condition, object param,
ContentType contentType, out bool callNextHandler)
{
callNextHandler = true;
if (!condition.IsTrashedCondition() && !(param is TrashingFieldTableFilterForm))
{
return(null);
}
var par = param.DirectCastTo <TrashingFieldTableFilterForm>();
var tfn = $"{ContentType.FIELD_NAME_PUBLISH_STATUS}.{nameof(TrashingField.TrashedUtc)}";
var now = DateTime.UtcNow;
if (par.IsTrashed)
{
return(x => (
from tf in x.ContentFields.Where(cf => cf.FieldName == tfn)
select new {
TrashedUtc = tf.DateTimeValue
}).Any(y => y.TrashedUtc != null && y.TrashedUtc.Value <= now));
}
return(x => !(
from tf in x.ContentFields.Where(cf => cf.FieldName == tfn)
select new {
TrashedUtc = tf.DateTimeValue
}).Any(y => y.TrashedUtc != null && y.TrashedUtc.Value <= now));
}
public Expression <Func <ProtoContent, bool> > HandleWhere(ContentWhereCondition condition, object param,
ContentType contentType,
out bool callNextHandler)
{
callNextHandler = true;
var pf = new PublishingFieldTableFilterForm();
var tf = new TrashingFieldTableFilterForm();
var ok = false;
if (condition.Is(StandardContentWhereConditionsProvider.IS_PUBLISHED_AND_NOT_TRASHED))
{
pf.IsPublished = true;
tf.IsTrashed = false;
ok = true;
}
else if (condition.Is(StandardContentWhereConditionsProvider.IS_PUBLISHED_AND_TRASHED))
{
pf.IsPublished = true;
tf.IsTrashed = true;
ok = true;
}
else if (condition.Is(StandardContentWhereConditionsProvider.IS_NOT_PUBLISHED_AND_NOT_TRASHED))
{
pf.IsPublished = false;
tf.IsTrashed = false;
ok = true;
}
else if (condition.Is(StandardContentWhereConditionsProvider.IS_NOT_PUBLISHED_AND_TRASHED))
{
pf.IsPublished = false;
tf.IsTrashed = true;
ok = true;
}
if (!ok)
{
return(null);
}
var pred = PredicateBuilder.True <ProtoContent>();
var pubCond = ContentFinder.DefinedWhereConditions.First(x =>
x.Is(PublishingFieldWhereConditionsProvider.IS_PUBLISHED_WHERE_CONDITION_NAME));
var pubPred = _pubHdlr.HandleWhere(pubCond, pf, contentType, out var pubCnh);
var traCond = ContentFinder.DefinedWhereConditions.First(x =>
x.Is(TrashingFieldWhereConditionsProvider.IS_TRASHED_WHERE_CONDITION_NAME));
var traPred = _traHdlr.HandleWhere(traCond, tf, contentType, out var traCnh);
pred = pred.And(pubPred);
pred = pred.And(traPred);
return(pred);
}
public Expression <Func <ProtoContent, bool> > HandleWhere(ContentWhereCondition condition, object param,
ContentType contentType,
out bool callNextHandler)
{
callNextHandler = true;
if (!(param is ChronoFieldTableFilterFormItem))
{
return(null);
}
var par = param.DirectCastTo <ChronoFieldTableFilterFormItem>();
if (!par.IsEnabled)
{
return(null);
}
var fn = $"{par.FieldName}.{nameof(ChronoField.Val)}";
if (par.IsNullValue)
{
return(x => x.ContentFields.Any(cf => cf.FieldName == fn && cf.DateTimeValue == null));
}
var min = par.MinDateTime ?? DateTime.Now;
var max = par.MaxDateTime ?? DateTime.Now;
if (par.GreaterThanOrEqualToMin)
{
if (par.LessThanOrEqualToMax)
{
return(x => x.ContentFields.Any(cf => cf.FieldName == fn &&
cf.DateTimeValue >= min &&
cf.DateTimeValue <= max));
}
return(x => x.ContentFields.Any(cf => cf.FieldName == fn &&
cf.DateTimeValue >= min &&
cf.DateTimeValue < max));
}
if (par.LessThanOrEqualToMax)
{
return(x => x.ContentFields.Any(cf => cf.FieldName == fn &&
cf.DateTimeValue > min &&
cf.DateTimeValue <= max));
}
return(x => x.ContentFields.Any(cf => cf.FieldName == fn &&
cf.DateTimeValue > min &&
cf.DateTimeValue < max));
}
