private void ParseFieldType(DataFieldInfo dataFieldInfo, DataFieldAttribute dataFieldAttribute)
{
if (dataFieldAttribute != null)
{
dataFieldInfo.DataFieldType = dataFieldAttribute.FieldType;
}
}
/// <summary>
/// If a field has a primary key type defined, gets the information for it
/// </summary>
/// <param name="dataFieldInfo">The field to check</param>
/// <param name="propertyInfor">The property information for the field</param>
protected void ParsePrimaryFieldType(DataFieldInfo dataFieldInfo, PropertyInfo propertyInfor)
{
dataFieldInfo.PrimaryKey = false;
KeyAttribute ka = propertyInfor.GetCustomAttributes(typeof(KeyAttribute), true).FirstOrDefault() as KeyAttribute;
if (ka != null)
dataFieldInfo.PrimaryKey = true;
}
/// <summary>
/// Determines if a field should be loaded
/// </summary>
/// <param name="datafieldInfo">The field to check</param>
/// <param name="dataFieldAttribute">The data attribute if present, null otherwise</param>
protected void ParseLoad(DataFieldInfo datafieldInfo, DataFieldAttribute dataFieldAttribute)
{
datafieldInfo.SelectField = true;
if (dataFieldAttribute != null)
datafieldInfo.SelectField = dataFieldAttribute.LoadField;
}
/// <summary>
/// Gets some stuff out of the property info
/// </summary>
/// <param name="dfi">The field to check</param>
/// <param name="pi">The property information for the field</param>
protected void ParsePropertyInfo(DataFieldInfo dfi, PropertyInfo pi)
{
dfi.Setter = pi.SetValue;
dfi.Getter = pi.GetValue;
dfi.PropertyName = pi.Name;
}
protected void ParseSetNull(DataFieldInfo dataFieldInfo,List<string> setNullFields)
{
if (setNullFields != null && !dataFieldInfo.PrimaryKey && setNullFields.Contains(dataFieldInfo.FieldName))
{
dataFieldInfo.SetNull = true;
}
else
{
dataFieldInfo.SetNull = false;
}
}
/// <summary>
/// Determines a fields name to use on the data store
/// </summary>
/// <param name="datafieldInfo">The field to check</param>
/// <param name="dataFieldAttribute">The data attribute if present, null otherwise</param>
/// <param name="propertyInfo">The property information for the field</param>
protected void ParseFieldName(DataFieldInfo datafieldInfo, DataFieldAttribute dataFieldAttribute, PropertyInfo propertyInfo)
{
if (dataFieldAttribute != null)
datafieldInfo.FieldName = dataFieldAttribute.FieldName;
if (string.IsNullOrEmpty(datafieldInfo.FieldName))
datafieldInfo.FieldName = propertyInfo.Name;
datafieldInfo.EscapedFieldName = string.Concat(_DataManager.Connection.LeftEscapeCharacter, datafieldInfo.FieldName, _DataManager.Connection.RightEscapeCharacter);
}
protected void ParseSetOnInsert(DataFieldInfo dataFieldInfo, DataFieldAttribute dataFieldAttribute)
{
dataFieldInfo.SetOnInsert = true;
if (dataFieldAttribute != null)
{
dataFieldInfo.SetOnInsert = dataFieldAttribute.SetOnInsert;
}
else if (dataFieldInfo.PrimaryKey)// by default keys are not inserted
{
dataFieldInfo.SetOnInsert = false;
}
}
/// <summary>
/// Parses data field information from a type
/// </summary>
/// <param name="type">The type to parse</param>
/// <param name="toAdd">What to add the data to</param>
protected void ParseDataFields(Type type, TypeInfo toAdd,object item)
{
toAdd.DataFields = new List<DataFieldInfo>();
PropertyInfo[] properties = type.GetProperties(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy | BindingFlags.Public);
List<string> setNullFields = null;
if (toAdd.BaseTypeName.Equals("TypeBase"))
{
dynamic dynObj = item;
setNullFields = dynObj.SetNullObjects;
}
foreach (PropertyInfo pi in properties)
{
DataFieldAttribute dataFieldAttribute;
dataFieldAttribute = pi.GetCustomAttributes(typeof(DataFieldAttribute), true).FirstOrDefault() as DataFieldAttribute;
IgnoredFieldAttribute ignoredField = pi.GetCustomAttributes(typeof(IgnoredFieldAttribute), true).FirstOrDefault() as IgnoredFieldAttribute;
if (ignoredField == null)
{
DataFieldInfo dataFieldInfo = new DataFieldInfo();
if (pi.PropertyType.IsEnum)
{
dataFieldInfo.PropertyType = Enum.GetUnderlyingType(pi.PropertyType);
}
else
{
dataFieldInfo.PropertyType = pi.PropertyType;
}
if (dataFieldAttribute != null && !string.IsNullOrEmpty(dataFieldAttribute.DefaultValue))
{
string defaultValue = dataFieldAttribute.DefaultValue;
if (dataFieldInfo.PropertyType == typeof(string) && !defaultValue.Contains("("))
dataFieldInfo.DefaultValue = string.Concat("'", defaultValue, "'");
else
dataFieldInfo.DefaultValue = defaultValue;
}
ParseFieldType(dataFieldInfo, dataFieldAttribute);
ParseFieldName(dataFieldInfo, dataFieldAttribute, pi);
ParsePrimaryFieldType(dataFieldInfo, pi);
ParseSetOnInsert(dataFieldInfo, dataFieldAttribute);
ParseLoad(dataFieldInfo, dataFieldAttribute);
ParsePropertyInfo(dataFieldInfo, pi);
ParseSetNull(dataFieldInfo, setNullFields);
toAdd.DataFields.Add(dataFieldInfo);
}
}
}
