private KeyTypeAttributeState GetKeyTypeAttributeState(System.Reflection.PropertyInfo pi)
{
KeyTypeAttributeState state = new KeyTypeAttributeState();
CustomAttributeField[] arr = (CustomAttributeField[])pi.GetCustomAttributes(typeof(CustomAttributeField), false);
for (int i = 0; i < arr.Length; i++)
{
if (arr[i].KeyType == KeyTypeAttribute.PrimaryKey)
{
state.IsPrimaryKey = true;
}
else if (arr[i].KeyType == KeyTypeAttribute.ForeignKey)
{
state.IsForeignKey = true;
}
else if (arr[i].KeyType == KeyTypeAttribute.QueryField)
{
state.IsQueryField = true;
}
else if (arr[i].KeyType == KeyTypeAttribute.OmitIfIsNull)
{
state.IsOmitIfIsNull = true;
}
}
return(state);
}
private System.Reflection.PropertyInfo[] GetValidProperties(lib.Class.Reflection r)
{
List <System.Reflection.PropertyInfo> l = new List <System.Reflection.PropertyInfo>();
for (int i = 0; i < r.Properties.Length; i++)
{
KeyTypeAttributeState state = GetKeyTypeAttributeState(r.Properties[i]);
if (!r.IsDefaultValue(r.Properties[i]) && !state.IsQueryField)
{
l.Add(r.Properties[i]);
}
}
return(l.ToArray());
}
public void Insert <T>(T entity, DbTransaction Transaction = null)
{
lib.Class.Reflection r = new lib.Class.Reflection(entity);
if (r.Properties.Length == 0)
{
return;
}
string db_fields = "";
for (int i = 0; i < r.Properties.Length; i++)
{
KeyTypeAttributeState state = GetKeyTypeAttributeState(r.Properties[i]);
bool IsDefaultValue = r.IsDefaultValue(r.Properties[i]);
if (state.IsQueryField || (IsDefaultValue && state.IsOmitIfIsNull))
{
continue;
}
if (!state.IsPrimaryKey && !(state.IsForeignKey && IsDefaultValue))
{
db_fields += (string.IsNullOrEmpty(db_fields) ? "" : ",") + r.Properties[i].Name;
}
}
string db_values = "";
for (int i = 0; i < r.Properties.Length; i++)
{
KeyTypeAttributeState state = GetKeyTypeAttributeState(r.Properties[i]);
bool IsDefaultValue = r.IsDefaultValue(r.Properties[i]);
if (state.IsQueryField || (IsDefaultValue && state.IsOmitIfIsNull))
{
continue;
}
if (!state.IsPrimaryKey && !(state.IsForeignKey && IsDefaultValue))
{
db_values += (string.IsNullOrEmpty(db_values) ? "" : ",") + GetDbValue(r, r.Properties[i], false);
}
}
string sql = string.Format("{0} INSERT INTO {1} ({2}) VALUES ({3});", DbBase.DbSetDateFormat, typeof(T).Name, db_fields, db_values);
DbBase.DbExecute(sql, Transaction);
}
public void Update <T>(T entity, T Conditions, DbTransaction Transaction = null)
{
lib.Class.Reflection r = new lib.Class.Reflection(entity);
if (r.Properties.Length == 0)
{
return;
}
System.Reflection.PropertyInfo[] PropsCondition = null;
if (Conditions != null)
{
PropsCondition = GetValidProperties(new lib.Class.Reflection(Conditions));
}
string db_fields_values = "";
for (int i = 0; i < r.Properties.Length; i++)
{
KeyTypeAttributeState state = GetKeyTypeAttributeState(r.Properties[i]);
bool IsDefaultValue = r.IsDefaultValue(r.Properties[i]);
if (state.IsQueryField || state.IsPrimaryKey || (IsDefaultValue && state.IsOmitIfIsNull))
{
continue;
}
if (state.IsForeignKey && IsDefaultValue)
{
db_fields_values += (string.IsNullOrEmpty(db_fields_values) ? "" : ",") + string.Format("{0}=NULL", r.Properties[i].Name);
}
else
{
db_fields_values += (string.IsNullOrEmpty(db_fields_values) ? "" : ",") + string.Format("{0}={1}", r.Properties[i].Name, GetDbValue(r, r.Properties[i], false));
}
}
DbBase.DbExecute(
string.Format("{0} UPDATE {1} SET {2} {3}", DbBase.DbSetDateFormat, typeof(T).Name, db_fields_values, Condition(Conditions)),
Transaction);
}
