private static string GetFieldName<T>(Expression<Func<T, object>> selector)
{
var visitor = new MemberAccessVisitor();
string propName = visitor.GetMemberName(selector);
var fieldName = FieldMapper.TranslateToFieldName(propName);
var type = typeof(T);
var property = type.GetProperty(propName);
var attrs = property.GetCustomAttributes(typeof(FieldAttribute), false);
if (attrs.Length != 0)
{
var attr = (FieldAttribute)attrs[0];
if (attr.Name != null)
fieldName = attr.Name;
}
if (CommonHelper.IsPropertyNotMapped(property))
{
// allow to use FieldRef<Document>(d => d.Name)
if (propName != "Name")
{
throw new SharepointCommonException("Cannot use FieldRef<> with property marked as 'NotField'");
}
}
return fieldName;
}
private bool ContainsFieldImpl(PropertyInfo prop)
{
var propName = prop.Name;
var fieldAttrs = prop.GetCustomAttributes(typeof(FieldAttribute), true);
if (fieldAttrs.Length != 0)
{
var spPropName = ((FieldAttribute)fieldAttrs[0]).Name;
if (spPropName != null)
{
propName = spPropName;
}
}
else
{
propName = FieldMapper.TranslateToFieldName(propName);
}
return(List.Fields.ContainsFieldWithStaticName(propName));
}
public void Intercept(IInvocation invocation)
{
var propName = invocation.Method.Name.Substring(4);
var prop = invocation.TargetType.GetProperty(propName);
var fieldAttrs = prop.GetCustomAttributes(typeof(FieldAttribute), true);
string spPropName;
if (fieldAttrs.Length != 0)
{
spPropName = ((FieldAttribute)fieldAttrs[0]).Name ?? propName;
}
else
{
spPropName = FieldMapper.TranslateToFieldName(propName);
}
propName = spPropName;
if (invocation.Method.Name.StartsWith("set_"))
{
throw new SharepointCommonException("Set operations on AfterProperties mapped item not implemented yet!");
}
if (!invocation.Method.Name.StartsWith("get_"))
{
Assert.Inconsistent();
}
switch (invocation.Method.Name)
{
case "get_ParentWeb":
invocation.ReturnValue = new QueryWeb(_list.ParentWeb);
return;
case "get_ParentList":
var qWeb = new QueryWeb(_list.ParentWeb);
invocation.ReturnValue = qWeb.GetById <Item>(_list.ID);
return;
case "get_ConcreteParentList":
var qWeb1 = new QueryWeb(_list.ParentWeb);
invocation.ReturnValue = CommonHelper.MakeParentList(invocation.TargetType, qWeb1,
_list.ID);
return;
case "get_ListItem":
{
invocation.ReturnValue = null;
return;
}
case "get_Folder":
{
invocation.ReturnValue = null;
return;
}
}
if (CommonHelper.IsPropertyNotMapped(prop))
{
// skip props with [NotField] attribute
invocation.Proceed();
return;
}
if (_afterProperties.ContainsKey(propName))
{
var field = _list.Fields.GetFieldByInternalName(propName);
var val = EntityMapper.ToEntityField(prop, null, field: field, value: _afterProperties[propName], reloadLookupItem: true);
invocation.ReturnValue = val;
return;
}
else if (_afterProperties.ContainsKey("vti_" + propName.ToLower()))
{
var field = _list.Fields.GetFieldByInternalName(propName);
var val = EntityMapper.ToEntityField(prop, null, field: field, value: _afterProperties["vti_" + propName.ToLower()], reloadLookupItem: true);
invocation.ReturnValue = val;
return;
}
else
{
var defaultValue = CommonHelper.GetDefaultValue(invocation.Method.ReturnType);
invocation.ReturnValue = defaultValue;
return;
}
}