/// <summary>
/// Add the user and any provided children to the database.
/// </summary>
/// <param name="item">The user.</param>
/// <exception cref="ArgumentNullException"><paramref name="item"/> is null</exception>
public virtual void Add(TAccount item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
var userColumns = _utilities.GetColumnIdentifiers <TAccount>();
var userParams = _utilities.GetColumnParameters <TAccount>();
using (var trx = new AutoDbTransaction(Connection)) {
var sql = $"insert into {QSchema}.{Q(UserAccountTable)} ({userColumns}) values ({userParams}); select SCOPE_IDENTITY() as id;";
int key = -1;
using (var multi = Connection.QueryMultiple(sql, item, trx.Trx)) {
key = multi.ReadSingle <int>();
}
if (key <= 0)
{
throw new Exception($"Received invalid identity key for new User: {key}");
}
var childrenProps = _utilities.GetChildCollectionProperties <TAccount>();
foreach (var prop in childrenProps)
{
var value = prop.GetValue(item);
AddChildren(value as ICollection, key, trx.Trx);
}
trx.Commit();
}
}
/// <summary>
/// Removes the provided user from the database, along with all of its children.
/// </summary>
/// <param name="item">The user to remove.</param>
/// <exception cref="ArgumentNullException"><paramref name="item"/> is null</exception>
public virtual void Remove(TAccount item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
using (var trx = new AutoDbTransaction(Connection)) {
var sql =
$@"{DeleteChildren()}
delete from {QSchema}.{Q(UserAccountTable)} where {Q("Key")} = @key;";
Connection.Execute(sql, new { key = item.Key }, trx.Trx);
trx.Commit();
}
}
/// <summary>
/// Updates the provided user in the database. Any children in the database that no longer
/// exist in the user's child collections will be deleted. Any previously existing children,
/// will be updated, and any new children will be added.
/// </summary>
/// <param name="item">The user to update.</param>
/// <exception cref="ArgumentNullException"><paramref name="item"/> is null</exception>
public virtual void Update(TAccount item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
var columnAssign = _utilities.GetColumnAssignment <TAccount>();
using (var trx = new AutoDbTransaction(Connection)) {
var sql = $"update {QSchema}.{Q(UserAccountTable)} set {columnAssign} where {Q("Key")} = @key;";
Connection.Execute(sql, item, trx.Trx);
var childrenProps = _utilities.GetChildCollectionProperties <TAccount>();
foreach (var prop in childrenProps)
{
var value = prop.GetValue(item);
UpdateChildren(value as ICollection, item.Key, trx.Trx);
}
trx.Commit();
}
}
