private async Task EnsureContactDoesNotExist(
CreateContactCommand command,
CancellationToken cancellationToken)
{
var query = new GetUserContactsQuery();
var list = await _queryProcessor.ExecuteAsync(query, cancellationToken);
if (list.Any(c => c.Phone == command.Phone))
{
throw new ValidationException(ErrorCodes.ContactExists);
}
}
public override async Task <IReadOnlyCollection <ContactReadModel> > ExecuteAsync(
GetUserContactsQuery query,
CancellationToken cancellationToken = default)
{
const string sql = @"SELECT c.*,cr.grade_value, cr.name_value as classroom_name,
cr.grade_value as grade, ct.id as contact_type,
ct.name as contact_type_name FROM contacts c
LEFT JOIN students s on c.student_id=s.id
LEFT JOIN classrooms cr on cr.id=s.classroom_id
INNER JOIN contact_types ct ON c.contact_type_id=ct.id
WHERE c.created_by=@userId
ORDER BY c.first_name_value , c.last_name_value" ;
await using var connection = new NpgsqlConnection(_connectionString);
return((await connection.QueryAsync <ContactReadModel>(
sql,
new { userId = query.UserId })).ToList());
}