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lib/Dancer/Plugin/MongoDB.pm  view on Meta::CPAN

    $dbh->default_db($settings->{db_name})
        if defined $settings->{db_name};

    if (defined $settings->{username} && defined $settings->{password}) {
        push @{$settings->{db_credentials}}, [ $settings->{db_name}, $settings->{username}, $settings->{password}];
    }


    if (defined $settings->{db_credentials} and ref $settings->{db_credentials} eq 'ARRAY') {
        $dbh->credentials($settings->{db_credentials});
    }

    if (defined $settings->{ioloop}) {
        my ( $module, $function ) = split(/\-\>/, $settings->{ioloop});
        $dbh->ioloop($module->$function);
    }

    if (defined $settings->{j}) {
        $dbh->j($settings->{j})
    };

    if (defined $settings->{max_bson_size}) {
        $dbh->max_bson_size($settings->{max_bson_size})
    };

    if (defined $settings->{max_connections}) {
        $dbh->max_connections($settings->{max_connections})
    }

    if (defined $settings->{max_write_batch_size}) {
        $dbh->max_write_batch_size($settings->{max_write_batch_size})
    }

    if ( defined $settings->{protocol}) {
        my ( $module, $function ) = split(/\-\>/, $settings->{protocol});
        $dbh->protocol($module->$function);
    }

    if ( defined $settings->{w}) {
        $dbh->w($settings->{w})
    }

    if ( defined $settings->{wtimeout}) {
        $dbh->wtimeout($settings->{wtimeout})
    }

    #$dbh->on( error => \&_mango_error() );
    #$dbh->on( connection => \&_mango_connection() );

    if (!$dbh) {
        $logger->(error => "Database connection failed - " . $lasterror);
        execute_hook('database_connection_failed', $settings);
        return;
    }

    execute_hook('database_connected', $dbh);

    return $dbh;
}

# Check the connection is alive
sub _check_connection {
    my $dbh = shift;
    return unless $dbh;

    my $curs;

    $lasterror = undef;

    eval {
        $curs = $dbh->db($settings->{db_name})->collection('prototype')->find_one();
    };

    if (!defined $lasterror) {
        return 1;
    }

    return;
}

sub _mango_error {
    my ( $mango, $err ) = @_;
    $lasterror = $err;
    return;
}

sub _mango_connection {
    return;
}

sub _get_settings {
    my $name = shift;
    my $return_settings;

    # If no name given, just return the default settings
    if (!defined $name) {
        $return_settings = { %$settings };
        # Yeah, you can have ZERO settings in Mongo.
    } else {
        # If there are no named connections in the config, bail now:
        return unless exists $settings->{connections};

        # OK, find a matching config for this name:
        if (my $named_settings = $settings->{connections}{$name}) {
            # Take a (shallow) copy of the settings, so we don't change them
            $return_settings = { %$named_settings };
        } else {
            # OK, didn't match anything
            $logger->('error',
                      "Asked for a database handle named '$name' but no matching  "
                      ."connection details found in config"
            );
        }
    }

    # If the setting wasn't provided, default to 30 seconds; if a false value is
    # provided, though, leave it alone.  (Older versions just checked for
    # truthiness, so a value of zero would still default to 30 seconds, which
    # isn't ideal.)
    if (!exists $return_settings->{connection_check_threshold}) {
        $return_settings->{connection_check_threshold} = 30;