private List <ListItemPropertyCreationInfo> GetPropertiesCreationInfo()
{
Type selfType = typeof(T);
var creationInfo = GetAllowedProperties(selfType)
.Select(property =>
{
var fieldTypeAttribute = property.GetCustomAttributes(true).FirstOrDefault(a => a is SharePointFieldTypeAttribute);
var info = new ListItemPropertyCreationInfo
{
PropertyToSet = property,
SharePointFieldName = GetSharePointFieldName(property),
SharePointFieldType = GetSharePointFieldType(fieldTypeAttribute)
};
if (info.SharePointFieldType == SharePointFieldType.LookupValue)
{
info.AdditionalData = ((SharePointLookupValueAttribute)fieldTypeAttribute).PulledFieldName;
}
return(info);
})
.ToList();
return(creationInfo);
}
public static void Write(this Utf8JsonWriter writer, Object obj, ListItemPropertyCreationInfo propertyCreationInfo)
{
TypeCode typeCode = Type.GetTypeCode(propertyCreationInfo.PropertyToSet.PropertyType);
switch (typeCode)
{
case TypeCode.Int32:
int int32Value = (int)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteNumber(propertyCreationInfo.SharePointFieldName, int32Value);
break;
case TypeCode.Int64:
long int64Value = (long)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteNumber(propertyCreationInfo.SharePointFieldName, int64Value);
break;
case TypeCode.Double:
int doubleValue = (int)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteNumber(propertyCreationInfo.SharePointFieldName, doubleValue);
break;
case TypeCode.Decimal:
int decimalValue = (int)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteNumber(propertyCreationInfo.SharePointFieldName, decimalValue);
break;
case TypeCode.Boolean:
bool boolValue = (bool)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteBoolean(propertyCreationInfo.SharePointFieldName, boolValue);
break;
case TypeCode.DateTime:
DateTime dateTimeValue = (DateTime)propertyCreationInfo.PropertyToSet.GetValue(obj);
string dateTimeString = dateTimeValue.ToString(); //TODO: Уточнить преобразование.
writer.WriteString(propertyCreationInfo.SharePointFieldName, dateTimeString);
break;
case TypeCode.String:
string stringValue = (string)propertyCreationInfo.PropertyToSet.GetValue(obj);
writer.WriteString(propertyCreationInfo.SharePointFieldName, stringValue);
break;
default:
//ThrowNotImplementedException(type); TODO: Сделать исключение.
break;
}
}
public static void WriteSharePointUrlFieldObject(this Utf8JsonWriter writer, Object obj, ListItemPropertyCreationInfo propertyCreationInfo)
{
writer.WriteStartObject(propertyCreationInfo.SharePointFieldName);
var sharePointUrlFieldValue = (SharePointUrlField)propertyCreationInfo.PropertyToSet.GetValue(obj);
if (sharePointUrlFieldValue != null)
{
writer.WriteString("Url", sharePointUrlFieldValue.Url);
writer.WriteString("Description", sharePointUrlFieldValue.Description);
}
writer.WriteEndObject();
}
