} //method
public static EntityFilter ParseFilter(string listFilter, EntityInfo entity, IActivationLog log)
{
//Safely parse template - parse throws exc
StringTemplate template;
try {
template = StringTemplate.Parse(listFilter);
} catch (Exception ex) {
log.Error(entity.Name + ", error in list filter: " + ex.Message);
return(null);
}
// map names to members
var members = new List <EntityMemberInfo>();
foreach (var name in template.ArgNames)
{
var member = entity.FindMemberOrColumn(name);
if (member == null)
{
log.Error("Entity {0}, error in filter expression, member/column {1} not found. ", entity.Name, name);
}
else
{
members.Add(member);
}
}
return(new EntityFilter()
{
Template = template, Members = members
});
}
public void Test_CachedTemplate()
{
var t1 = StringTemplate.Parse("{X}");
var t2 = StringTemplate.Parse("{X}");
Assert.Same(t1, t2);
}
public void Test_ClearCached()
{
var t1 = StringTemplate.Parse("{X}");
StringTemplate.ClearCache();
var t2 = StringTemplate.Parse("{X}");
Assert.NotSame(t1, t2);
}
} //method
private EntityFilter ParseIndexFilter(string filterSql, EntityInfo entity)
{
// The filter coming from database has references to column names (without braces like {colName})
// The filter in Index attribute references entity members using {..} notation.
// Technically we should try to convert filter from db into attribute form, but we don't; maybe later
var entFilter = new EntityFilter()
{
Template = StringTemplate.Parse(filterSql)
};
return(entFilter);
}
public void ToString_Should_Return_Template()
{
StringTemplate testStringTemplate = StringTemplate.Parse("test");
Assert.Equal("test", testStringTemplate.ToString());
}
