/// <summary>
/// Creates a new instance of <see cref="TableReference"/>
/// </summary>
/// <param name="prop">The <see cref="PropertyInfo"/> to extract the metadata to be used to create the <see cref="TableReference"/> object</param>
/// <returns>A new instance of <see cref="TableReference"/></returns>
public static TableReference Create(PropertyInfo prop)
{
var entityType = GetReferenceTableEntityType(prop);
return(new TableReference()
{
ReferenceTableKey = prop.GetCustomAttribute <TableReferenceAttribute>().ReferenceTableKey,
EntityType = entityType,
IsChild = typeof(IEnumerable).IsAssignableFrom(prop.PropertyType),
ReferenceTable = DbTableSchema.Create(entityType),
SourceColumn = DbColumnSchema.Create(prop)
});
}
/// <summary>
/// Creates a new instance of <see cref="DbTableSchema"/>
/// </summary>
/// <param name="type">The entity <see cref="Type"/> to use to create the schema metadata</param>
/// <returns>A new instance of <see cref="DbTableSchema"/></returns>
public static DbTableSchema Create(Type type)
{
if (_cache.ContainsKey(type))
{
return(_cache[type]);
}
var columns = new List <DbColumnSchema>();
var refs = new List <TableReference>();
var res = new DbTableSchema()
{
TableName = GetTableName(type), Columns = columns, References = refs, EntityType = type
};
_cache[type] = res;
foreach (var prop in type.GetProperties())
{
if (prop.GetCustomAttribute <NotMappedAttribute>() != null)
{
continue;
}
if (prop.GetCustomAttribute <TableReferenceAttribute>() != null)
{
var tableRef = TableReference.Create(prop);
ValidateTableRef(tableRef, res);
refs.Add(tableRef);
continue;
}
columns.Add(DbColumnSchema.Create(prop));
}
if (!res.Columns.Any(i => i.IsPrimaryKey) && res.Columns.Any(i => i.ColumnName == "Id"))
{
res.Columns.Single(i => i.ColumnName == "Id").IsPrimaryKey = true;
}
return(res);
}