/*
* new {
* Table = "Customer",
* Where = new {
* Name = "Monkey",
* And = new {
* LastName = "Tail"
* },
* Or = new {
* LastName = "Guy"
* }
* }
* }
* */
private QueryFilter ParseWhere(string tableName, dynamic where)
{
Type type = where.GetType();
QueryFilter filter = new QueryFilter();
foreach (PropertyInfo prop in type.GetProperties())
{
if (TablePropertyNames.Contains(prop.Name))
{
continue;
}
if (prop.Name.Equals("And"))
{
object and = prop.GetValue(where);
filter = filter.IsEmpty ? ParseWhere(tableName, and) : filter && ParseWhere(tableName, and);
}
else if (prop.Name.Equals("Or"))
{
object or = prop.GetValue(where);
filter = filter.IsEmpty ? ParseWhere(tableName, or) : filter || ParseWhere(tableName, or);
}
else if (prop.Name.Equals("Where"))
{
filter = filter.IsEmpty ? ParseWhere(tableName, prop.GetValue(where)) : filter && ParseWhere(tableName, where);
}
else
{
// TODO: enable multiple operators like QiQuery, contains, doesn't contain starts with etc
string columnName = NameMap.GetColumnName(tableName, prop.Name);
QueryFilter queryFilter = Bam.Net.Data.Query.Where(columnName) == prop.GetValue(where);
filter = filter.IsEmpty ? queryFilter : filter && queryFilter;
}
}
return(filter);
}
private List <AssignValue> GetValueAssignments(dynamic value, string tableName)
{
Type type = value.GetType();
List <AssignValue> assignValues = new List <AssignValue>();
foreach (PropertyInfo prop in type.GetProperties())
{
if (KeywordProperties.Contains(prop.Name))
{
continue;
}
assignValues.Add(new AssignValue(NameMap.GetColumnName(tableName, prop.Name), prop.GetValue(value)));
}
return(assignValues);
}
private SqlStringBuilder WriteRetrieve(string table, SqlStringBuilder sql, dynamic querySpec)
{
string columns = ReflectionExtensions.Property <string>(querySpec, "Columns", false) ?? "*";
string[] columnNames = new string[] { columns };
if (!columns.Equals("*"))
{
columnNames = columns.DelimitSplit(",").Select(s => NameMap.GetColumnName(table, s)).ToArray();
}
dynamic whereSpec = ReflectionExtensions.Property(querySpec, "Where") ?? ReflectionExtensions.Property(querySpec, "where");
sql.Select(table);
if (whereSpec != null)
{
sql.Where(ParseWhere(table, whereSpec));
}
return(sql);
}
