/// <summary>
/// Gets a array of constructor arguments to build an object with
/// </summary>
/// <param name="dstore">The datastore.</param>
/// <param name="parminfo">The parms for the constructor.</param>
/// <param name="ti">The type info</param>
/// <param name="row">The row in the result set to use</param>
/// <param name="dt">The query result set</param>
/// <returns></returns>
public static object[] SetConstructorArguments(this IDataManager dstore, ParameterInfo[] parminfo, TypeInfo ti, int row, QueryData dt)
{
object[] toReturn = new object[parminfo.Length];
for (int i = 0; i < parminfo.Length; i++)
{
ParameterInfo curr = parminfo[i];
//most system classes are handled just nicely by the type converter, only interested in user defined classes
if (dt.FieldHasMapping(ti.DataFields[i].FieldName) && curr.ParameterType.IsSystemType())
toReturn[i] = dstore.Connection.TypeConverter.ConvertToType(dt.GetDataForRowField(parminfo[i].Name, row), parminfo[i].ParameterType);
else
toReturn[i] = BuildObject(dstore, dt, dstore.TypeInformationParser.GetTypeInfo(curr.ParameterType), row);
}
return toReturn;
}
/// <summary>
/// Sets the fields on an object
/// </summary>
/// <param name="dstore">The datastore.</param>
/// <param name="info">The information for the type</param>
/// <param name="qd">The query data to use</param>
/// <param name="row">The row to pull from</param>
/// <param name="dataItem">The object to set the data on</param>
public static void SetFieldData(this IDataManager dstore, TypeInfo info, QueryData qd, int row, object dataItem)
{
foreach (DataFieldInfo dfi in info.DataFields)
{
object item = qd.GetDataForRowField(dfi.FieldName, row);
if (Convert.IsDBNull(item) && dfi.SetNull)
{
dfi.Setter(dataItem, dstore.Connection.TypeConverter.ConvertToType(item, dfi.PropertyType), null);
}
else if ((item != null && !Convert.IsDBNull(item)) || !dfi.PropertyType.IsSystemType())
{
try
{
if (!dfi.PropertyType.IsSystemType())
dfi.Setter(dataItem, BuildObject(dstore, qd, dstore.TypeInformationParser.GetTypeInfo(dfi.PropertyType), row), null);
else
dfi.Setter(dataItem, dstore.Connection.TypeConverter.ConvertToType(item, dfi.PropertyType), null);
}
catch
{//attempt to set to default
ConstructorInfo ci = dfi.PropertyType.GetConstructors().Where(R => R.GetParameters().Count() == 0).FirstOrDefault();
if (ci != null) dfi.Setter(dataItem, ci.Invoke(null), null);
}
}
}
if (info.AdditionalInit != null) info.AdditionalInit.ForEach(R => R.Invoke(dstore, dataItem));
}