UI cleanup for batch-holds from lists

[working/Evergreen.git] / Open-ILS / src / perlmods / lib / OpenILS / WWW / EGCatLoader / Account.pm

package OpenILS::WWW::EGCatLoader;
use strict; use warnings;
use Apache2::Const -compile => qw(OK DECLINED FORBIDDEN HTTP_INTERNAL_SERVER_ERROR REDIRECT HTTP_BAD_REQUEST);
use OpenSRF::Utils::Logger qw/$logger/;
use OpenILS::Utils::CStoreEditor qw/:funcs/;
use OpenILS::Utils::Fieldmapper;
use OpenILS::Application::AppUtils;
use OpenILS::Event;
use OpenSRF::Utils::JSON;
use Data::Dumper;
$Data::Dumper::Indent = 0;
use DateTime;
my $U = 'OpenILS::Application::AppUtils';

sub prepare_extended_user_info {
    my $self = shift;
    my @extra_flesh = @_;

    $self->ctx->{user} = $self->editor->retrieve_actor_user([
        $self->ctx->{user}->id,
        {
            flesh => 1,
            flesh_fields => {
                au => [qw/card home_ou addresses ident_type billing_address/, @extra_flesh]
                # ...
            }
        }
    ]) or return Apache2::Const::HTTP_INTERNAL_SERVER_ERROR;

    return;
}

# Given an event returned by a failed attempt to create a hold, do we have
# permission to override?  XXX Should the permission check be scoped to a
# given org_unit context?
sub test_could_override {
    my ($self, $event) = @_;

    return 0 unless $event;
    return 1 if $self->editor->allowed($event->{textcode} . ".override");
    return 1 if $event->{"fail_part"} and
        $self->editor->allowed($event->{"fail_part"} . ".override");
    return 0;
}

# Find out whether we care that local copies are available
sub local_avail_concern {
    my ($self, $hold_target, $hold_type, $pickup_lib) = @_;

    my $would_block = $self->ctx->{get_org_setting}->
        ($pickup_lib, "circ.holds.hold_has_copy_at.block");
    my $would_alert = (
        $self->ctx->{get_org_setting}->
            ($pickup_lib, "circ.holds.hold_has_copy_at.alert") and
                not $self->cgi->param("override")
    ) unless $would_block;

    if ($would_block or $would_alert) {
        my $args = {
            "hold_target" => $hold_target,
            "hold_type" => $hold_type,
            "org_unit" => $pickup_lib
        };
        my $local_avail = $U->simplereq(
            "open-ils.circ",
            "open-ils.circ.hold.has_copy_at", $self->editor->authtoken, $args
        );
        $logger->info(
            "copy availability information for " . Dumper($args) .
            " is " . Dumper($local_avail)
        );
        if (%$local_avail) { # if hash not empty
            $self->ctx->{hold_copy_available} = $local_avail;
            return ($would_block, $would_alert);
        }
    }

    return (0, 0);
}

# context additions: 
#   user : au object, fleshed
sub load_myopac_prefs {
    my $self = shift;
    return $self->prepare_extended_user_info || Apache2::Const::OK;
}

sub load_myopac_prefs_notify {
    my $self = shift;
    my $e = $self->editor;

    my $user_prefs = $self->fetch_optin_prefs;
    $user_prefs = $self->update_optin_prefs($user_prefs)
        if $self->cgi->request_method eq 'POST';

    $self->ctx->{opt_in_settings} = $user_prefs; 

    return Apache2::Const::OK;
}

sub fetch_optin_prefs {
    my $self = shift;
    my $e = $self->editor;

    # fetch all of the opt-in settings the user has access to
    # XXX: user's should in theory have options to opt-in to notices
    # for remote locations, but that opens the door for a large
    # set of generally un-used opt-ins.. needs discussion
    my $opt_ins =  $U->simplereq(
        'open-ils.actor',
        'open-ils.actor.event_def.opt_in.settings.atomic',
        $e->authtoken, $e->requestor->home_ou);

    # fetch user setting values for each of the opt-in settings
    my $user_set = $U->simplereq(
        'open-ils.actor',
        'open-ils.actor.patron.settings.retrieve',
        $e->authtoken, 
        $e->requestor->id, 
        [map {$_->name} @$opt_ins]
    );

    return [map { {cust => $_, value => $user_set->{$_->name} } } @$opt_ins];
}

sub update_optin_prefs {
    my $self = shift;
    my $user_prefs = shift;
    my $e = $self->editor;
    my @settings = $self->cgi->param('setting');
    my %newsets;

    # apply now-true settings
    for my $applied (@settings) {
        # see if setting is already applied to this user
        next if grep { $_->{cust}->name eq $applied and $_->{value} } @$user_prefs;
        $newsets{$applied} = OpenSRF::Utils::JSON->true;
    }

    # remove now-false settings
    for my $pref (grep { $_->{value} } @$user_prefs) {
        $newsets{$pref->{cust}->name} = undef 
            unless grep { $_ eq $pref->{cust}->name } @settings;
    }

    $U->simplereq(
        'open-ils.actor',
        'open-ils.actor.patron.settings.update',
        $e->authtoken, $e->requestor->id, \%newsets);

    # update the local prefs to match reality
    for my $pref (@$user_prefs) {
        $pref->{value} = $newsets{$pref->{cust}->name} 
            if exists $newsets{$pref->{cust}->name};
    }

    return $user_prefs;
}

sub _load_user_with_prefs {
    my $self = shift;
    my $stat = $self->prepare_extended_user_info('settings');
    return $stat if $stat; # not-OK

    $self->ctx->{user_setting_map} = {
        map { $_->name => OpenSRF::Utils::JSON->JSON2perl($_->value) } 
            @{$self->ctx->{user}->settings}
    };

    return undef;
}

sub load_myopac_prefs_settings {
    my $self = shift;

    my $stat = $self->_load_user_with_prefs;
    return $stat if $stat;

    return Apache2::Const::OK
        unless $self->cgi->request_method eq 'POST';

    # some setting values from the form don't match the 
    # required value/format for the db, so they have to be 
    # individually translated.

    my %settings;
    my $set_map = $self->ctx->{user_setting_map};

    my $key = 'opac.hits_per_page';
    my $val = $self->cgi->param($key);
    $settings{$key}= $val unless $$set_map{$key} eq $val;

    my $now = DateTime->now->strftime('%F');
    for $key (qw/history.circ.retention_start history.hold.retention_start/) {
        $val = $self->cgi->param($key);
        if($val and $val eq 'on') {
            # Set the start time to 'now' unless a start time already exists for the user
            $settings{$key} = $now unless $$set_map{$key};
        } else {
            # clear the start time if one previously existed for the user
            $settings{$key} = undef if $$set_map{$key};
        }
    }
    
    # Send the modified settings off to be saved
    $U->simplereq(
        'open-ils.actor', 
        'open-ils.actor.patron.settings.update',
        $self->editor->authtoken, undef, \%settings);

    # re-fetch user prefs 
    $self->ctx->{updated_user_settings} = \%settings;
    return $self->_load_user_with_prefs || Apache2::Const::OK;
}

sub fetch_user_holds {
    my $self = shift;
    my $hold_ids = shift;
    my $ids_only = shift;
    my $flesh = shift;
    my $available = shift;
    my $limit = shift;
    my $offset = shift;

    my $e = $self->editor;

    if(!$hold_ids) {
        my $circ = OpenSRF::AppSession->create('open-ils.circ');

        $hold_ids = $circ->request(
            'open-ils.circ.holds.id_list.retrieve.authoritative', 
            $e->authtoken, 
            $e->requestor->id
        )->gather(1);
        $circ->kill_me;
    
        $hold_ids = [ grep { defined $_ } @$hold_ids[$offset..($offset + $limit - 1)] ] if $limit or $offset;
    }


    return $hold_ids if $ids_only or @$hold_ids == 0;

    my $args = {
        suppress_notices => 1,
        suppress_transits => 1,
        suppress_mvr => 1,
        suppress_patron_details => 1,
        include_bre => $flesh ? 1 : 0
    };

    # ----------------------------------------------------------------
    # Collect holds in batches of $batch_size for faster retrieval

    my $batch_size = 8;
    my $batch_idx = 0;
    my $mk_req_batch = sub {
        my @ses;
        my $top_idx = $batch_idx + $batch_size;
        while($batch_idx < $top_idx) {
            my $hold_id = $hold_ids->[$batch_idx++];
            last unless $hold_id;
            my $ses = OpenSRF::AppSession->create('open-ils.circ');
            my $req = $ses->request(
                'open-ils.circ.hold.details.retrieve', 
                $e->authtoken, $hold_id, $args);
            push(@ses, {ses => $ses, req => $req});
        }
        return @ses;
    };

    my $first = 1;
    my(@collected, @holds, @ses);

    while(1) {
        @ses = $mk_req_batch->() if $first;
        last if $first and not @ses;

        if(@collected) {
            # If desired by the caller, filter any holds that are not available.
            if ($available) {
                @collected = grep { $_->{hold}->{status} == 4 } @collected;
            }
            while(my $blob = pop(@collected)) {
                $blob->{marc_xml} = XML::LibXML->new->parse_string($blob->{hold}->{bre}->marc) if $flesh;
                push(@holds, $blob);
            }
        }

        for my $req_data (@ses) {
            push(@collected, {hold => $req_data->{req}->gather(1)});
            $req_data->{ses}->kill_me;
        }

        @ses = $mk_req_batch->();
        last unless @collected or @ses;
        $first = 0;
    }

    # put the holds back into the original server sort order
    my @sorted;
    for my $id (@$hold_ids) {
        push @sorted, grep { $_->{hold}->{hold}->id == $id } @holds;
    }

    return \@sorted;
}

sub handle_hold_update {
    my $self = shift;
    my $action = shift;
    my $hold_ids = shift;
    my $e = $self->editor;
    my $url;

    my @hold_ids = ($hold_ids) ? @$hold_ids : $self->cgi->param('hold_id'); # for non-_all actions
    @hold_ids = @{$self->fetch_user_holds(undef, 1)} if $action =~ /_all/;

    my $circ = OpenSRF::AppSession->create('open-ils.circ');

    if($action =~ /cancel/) {

        for my $hold_id (@hold_ids) {
            my $resp = $circ->request(
                'open-ils.circ.hold.cancel', $e->authtoken, $hold_id, 6 )->gather(1); # 6 == patron-cancelled-via-opac
        }

    } elsif ($action =~ /activate|suspend/) {
        
        my $vlist = [];
        for my $hold_id (@hold_ids) {
            my $vals = {id => $hold_id};

            if($action =~ /activate/) {
                $vals->{frozen} = 'f';
                $vals->{thaw_date} = undef;

            } elsif($action =~ /suspend/) {
                $vals->{frozen} = 't';
                # $vals->{thaw_date} = TODO;
            }
            push(@$vlist, $vals);
        }

        $circ->request('open-ils.circ.hold.update.batch.atomic', $e->authtoken, undef, $vlist)->gather(1);
    } elsif ($action eq 'edit') {

        my @vals = map {
            my $val = {"id" => $_};
            $val->{"frozen"} = $self->cgi->param("frozen");
            $val->{"pickup_lib"} = $self->cgi->param("pickup_lib");

            for my $field (qw/expire_time thaw_date/) {
                # XXX TODO make this support other date formats, not just
                # MM/DD/YYYY.
                next unless $self->cgi->param($field) =~
                    m:^(\d{2})/(\d{2})/(\d{4})$:;
                $val->{$field} = "$3-$1-$2";
            }
            $val;
        } @hold_ids;

        $circ->request(
            'open-ils.circ.hold.update.batch.atomic',
            $e->authtoken, undef, \@vals
        )->gather(1);   # LFW XXX test for failure
        $url = 'https://' . $self->apache->hostname . $self->ctx->{opac_root} . '/myopac/holds';
    }

    $circ->kill_me;
    return defined($url) ? $self->generic_redirect($url) : undef;
}

sub load_myopac_holds {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;
    
    my $limit = $self->cgi->param('limit') || 0;
    my $offset = $self->cgi->param('offset') || 0;
    my $action = $self->cgi->param('action') || '';
    my $hold_id = $self->cgi->param('id');
    my $available = int($self->cgi->param('available') || 0);

    my $hold_handle_result;
    $hold_handle_result = $self->handle_hold_update($action) if $action;

    $ctx->{holds} = $self->fetch_user_holds($hold_id ? [$hold_id] : undef, 0, 1, $available, $limit, $offset);

    return defined($hold_handle_result) ? $hold_handle_result : Apache2::Const::OK;
}

sub load_place_hold {
    my $self = shift;
    my $ctx = $self->ctx;
    my $gos = $ctx->{get_org_setting};
    my $e = $self->editor;
    my $cgi = $self->cgi;

    $self->ctx->{page} = 'place_hold';
    my @targets = $cgi->param('hold_target');
    $ctx->{hold_type} = $cgi->param('hold_type');
    $ctx->{default_pickup_lib} = $e->requestor->home_ou; # unless changed below

    return $self->post_hold_redirect unless @targets;

    $logger->info("Looking at hold targets: @targets");

    # if the staff client provides a patron barcode, fetch the patron
    if (my $bc = $self->cgi->cookie("patron_barcode")) {
        $ctx->{patron_recipient} = $U->simplereq(
            "open-ils.actor", "open-ils.actor.user.fleshed.retrieve_by_barcode",
            $self->editor->authtoken, $bc
        ) or return Apache2::Const::HTTP_BAD_REQUEST;

        $ctx->{default_pickup_lib} = $ctx->{patron_recipient}->home_ou;
    }

    my $request_lib = $e->requestor->ws_ou;
    my @hold_data;
    $ctx->{hold_data} = \@hold_data;

    my $type_dispatch = {
        T => sub {
            my $recs = $e->batch_retrieve_biblio_record_entry(\@targets, {substream => 1});
            for my $id (@targets) { # force back into the correct order
                my ($rec) = grep {$_->id eq $id} @$recs;
                push(@hold_data, {target => $rec, record => $rec});
            }
        },
        V => sub {
            my $vols = $e->batch_retrieve_asset_call_number([
                \@targets, {
                    "flesh" => 1,
                    "flesh_fields" => {"acn" => ["record"]}
                }
            ], {substream => 1});

            for my $id (@targets) { 
                my ($vol) = grep {$_->id eq $id} @$vols;
                push(@hold_data, {target => $vol, record => $vol->record});
            }
        },
        C => sub {
            my $copies = $e->batch_retrieve_asset_copy([
                \@targets, {
                    "flesh" => 2,
                    "flesh_fields" => {
                        "acn" => ["record"],
                        "acp" => ["call_number"]
                    }
                }
            ], {substream => 1});

            for my $id (@targets) { 
                my ($copy) = grep {$_->id eq $id} @$copies;
                push(@hold_data, {target => $copy, record => $copy->call_number->record});
            }
        },
        I => sub {
            my $isses = $e->batch_retrieve_serial_issuance([
                \@targets, {
                    "flesh" => 2,
                    "flesh_fields" => {
                        "siss" => ["subscription"], "ssub" => ["record_entry"]
                    }
                }
            ], {substream => 1});

            for my $id (@targets) { 
                my ($iss) = grep {$_->id eq $id} @$isses;
                push(@hold_data, {target => $iss, record => $iss->subscription->record_entry});
            }
        }
        # ...

    }->{$ctx->{hold_type}}->();

    # caller sent bad target IDs or the wrong hold type
    return Apache2::Const::HTTP_BAD_REQUEST unless @hold_data;

    # generate the MARC xml for each record
    $_->{marc_xml} = XML::LibXML->new->parse_string($_->{record}->marc) for @hold_data;

    my $pickup_lib = $cgi->param('pickup_lib');
    # no pickup lib means no holds placement
    return Apache2::Const::OK unless $pickup_lib;

    $ctx->{hold_attempt_made} = 1;

    # Give the original CGI params back to the user in case they
    # want to try to override something.
    $ctx->{orig_params} = $cgi->Vars;
    delete $ctx->{orig_params}{submit};
    delete $ctx->{orig_params}{hold_target};

    my $usr = $e->requestor->id;

    if ($ctx->{is_staff} and !$cgi->param("hold_usr_is_requestor")) {
        # find the real hold target

        $usr = $U->simplereq(
            'open-ils.actor', 
            "open-ils.actor.user.retrieve_id_by_barcode_or_username",
            $e->authtoken, $cgi->param("hold_usr"));

        if (defined $U->event_code($usr)) {
            $ctx->{hold_failed} = 1;
            $ctx->{hold_failed_event} = $usr;
        }
    }

    # First see if we should warn/block for any holds that 
    # might have locally available items.
    for my $hdata (@hold_data) {
        my ($local_block, $local_alert) = $self->local_avail_concern(
            $hdata->{target}->id, $ctx->{hold_type}, $pickup_lib);
    
        if ($local_block) {
            $hdata->{hold_failed} = 1;
            $hdata->{hold_local_block} = 1;
        } elsif ($local_alert) {
            $hdata->{hold_failed} = 1;
            $hdata->{hold_local_alert} = 1;
        }
    }


    my $method = 'open-ils.circ.holds.test_and_create.batch';
    $method .= '.override' if $cgi->param('override');

    my @create_targets = map {$_->{target}->id} (grep { !$_->{hold_failed} } @hold_data);

    if(@create_targets) {

        my $bses = OpenSRF::AppSession->create('open-ils.circ');
        my $breq = $bses->request( 
            $method, 
            $e->authtoken, 
            {   patronid => $usr, 
                pickup_lib => $pickup_lib, 
                hold_type => $ctx->{hold_type}
            }, 
            \@create_targets
        );

        while (my $resp = $breq->recv) {

            $resp = $resp->content;
            $logger->info('batch hold placement result: ' . OpenSRF::Utils::JSON->perl2JSON($resp));

            if ($U->event_code($resp)) {
                $ctx->{general_hold_error} = $resp;
                last;
            }

            my ($hdata) = grep {$_->{target}->id eq $resp->{target}} @hold_data;
            my $result = $resp->{result};

            if ($U->event_code($result)) {
                # e.g. permission denied
                $hdata->{hold_failed} = 1;
                $hdata->{hold_failed_event} = $result;

            } else {
                
                if(not ref $result and $result > 0) {
                    # successul hold returns the hold ID

                    $hdata->{hold_success} = $result; 
    
                } else {
                    # hold-specific failure event 
                    $hdata->{hold_failed} = 1;
                    $hdata->{hold_failed_event} = $result->{last_event};
                    $hdata->{could_override} = $self->test_could_override($hdata->{hold_failed_event});
                }
            }
        }

        $bses->kill_me;
    }

    # stay on the current page and display the results
    return Apache2::Const::OK if 
        (grep {$_->{hold_failed}} @hold_data) or $ctx->{general_hold_error};

    # if successful, do some cleanup and return the 
    # user to the requesting page.

    return $self->post_hold_redirect;
}

sub post_hold_redirect {
    my $self = shift;

    # We also clear the patron_barcode (from the staff client)
    # cookie at this point (otherwise it haunts the staff user
    # later). XXX todo make sure this is best; also see that
    # template when staff mode calls xulG.opac_hold_placed()
    return $self->generic_redirect(
        undef,
        $self->cgi->cookie(
            -name => "patron_barcode",
            -path => "/",
            -secure => 1,
            -value => "",
            -expires => "-1h"
        )
    );
}


sub fetch_user_circs {
    my $self = shift;
    my $flesh = shift; # flesh bib data, etc.
    my $circ_ids = shift;
    my $limit = shift;
    my $offset = shift;

    my $e = $self->editor;

    my @circ_ids;

    if($circ_ids) {
        @circ_ids = @$circ_ids;

    } else {

        my $circ_data = $U->simplereq(
            'open-ils.actor', 
            'open-ils.actor.user.checked_out',
            $e->authtoken, 
            $e->requestor->id
        );

        @circ_ids =  ( @{$circ_data->{overdue}}, @{$circ_data->{out}} );

        if($limit or $offset) {
            @circ_ids = grep { defined $_ } @circ_ids[0..($offset + $limit - 1)];
        }
    }

    return [] unless @circ_ids;

    my $qflesh = {
        flesh => 3,
        flesh_fields => {
            circ => ['target_copy'],
            acp => ['call_number'],
            acn => ['record']
        }
    };

    $e->xact_begin;
    my $circs = $e->search_action_circulation(
        [{id => \@circ_ids}, ($flesh) ? $qflesh : {}], {substream => 1});

    my @circs;
    for my $circ (@$circs) {
        push(@circs, {
            circ => $circ, 
            marc_xml => ($flesh and $circ->target_copy->call_number->id != -1) ? 
                XML::LibXML->new->parse_string($circ->target_copy->call_number->record->marc) : 
                undef  # pre-cat copy, use the dummy title/author instead
        });
    }
    $e->xact_rollback;

    # make sure the final list is in the correct order
    my @sorted_circs;
    for my $id (@circ_ids) {
        push(
            @sorted_circs,
            (grep { $_->{circ}->id == $id } @circs)
        );
    }

    return \@sorted_circs;
}


sub handle_circ_renew {
    my $self = shift;
    my $action = shift;
    my $ctx = $self->ctx;

    my @renew_ids = $self->cgi->param('circ');

    my $circs = $self->fetch_user_circs(0, ($action eq 'renew') ? [@renew_ids] : undef);

    # TODO: fire off renewal calls in batches to speed things up
    my @responses;
    for my $circ (@$circs) {

        my $evt = $U->simplereq(
            'open-ils.circ', 
            'open-ils.circ.renew',
            $self->editor->authtoken,
            {
                patron_id => $self->editor->requestor->id,
                copy_id => $circ->{circ}->target_copy,
                opac_renewal => 1
            }
        );

        # TODO return these, then insert them into the circ data 
        # blob that is shoved into the template for each circ
        # so the template won't have to match them
        push(@responses, {copy => $circ->{circ}->target_copy, evt => $evt});
    }

    return @responses;
}


sub load_myopac_circs {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;

    $ctx->{circs} = [];
    my $limit = $self->cgi->param('limit') || 0; # 0 == unlimited
    my $offset = $self->cgi->param('offset') || 0;
    my $action = $self->cgi->param('action') || '';

    # perform the renewal first if necessary
    my @results = $self->handle_circ_renew($action) if $action =~ /renew/;

    $ctx->{circs} = $self->fetch_user_circs(1, undef, $limit, $offset);

    my $success_renewals = 0;
    my $failed_renewals = 0;
    for my $data (@{$ctx->{circs}}) {
        my ($resp) = grep { $_->{copy} == $data->{circ}->target_copy->id } @results;

        if($resp) {
            my $evt = ref($resp->{evt}) eq 'ARRAY' ? $resp->{evt}->[0] : $resp->{evt};
            $data->{renewal_response} = $evt;
            $success_renewals++ if $evt->{textcode} eq 'SUCCESS';
            $failed_renewals++ if $evt->{textcode} ne 'SUCCESS';
        }
    }

    $ctx->{success_renewals} = $success_renewals;
    $ctx->{failed_renewals} = $failed_renewals;

    return Apache2::Const::OK;
}

sub load_myopac_circ_history {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;
    my $limit = $self->cgi->param('limit') || 15;
    my $offset = $self->cgi->param('offset') || 0;

    $ctx->{circ_history_limit} = $limit;
    $ctx->{circ_history_offset} = $offset;

    my $circ_ids = $e->json_query({
        select => {
            au => [{
                column => 'id', 
                transform => 'action.usr_visible_circs', 
                result_field => 'id'
            }]
        },
        from => 'au',
        where => {id => $e->requestor->id}, 
        limit => $limit,
        offset => $offset
    });

    $ctx->{circs} = $self->fetch_user_circs(1, [map { $_->{id} } @$circ_ids]);
    return Apache2::Const::OK;
}

# TODO: action.usr_visible_holds does not return cancelled holds.  Should it?
sub load_myopac_hold_history {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;
    my $limit = $self->cgi->param('limit') || 15;
    my $offset = $self->cgi->param('offset') || 0;
    $ctx->{hold_history_limit} = $limit;
    $ctx->{hold_history_offset} = $offset;

    my $hold_ids = $e->json_query({
        select => {
            au => [{
                column => 'id', 
                transform => 'action.usr_visible_holds', 
                result_field => 'id'
            }]
        },
        from => 'au',
        where => {id => $e->requestor->id}, 
        limit => $limit,
        offset => $offset
    });

    $ctx->{holds} = $self->fetch_user_holds([map { $_->{id} } @$hold_ids], 0, 1, 0);
    return Apache2::Const::OK;
}

sub load_myopac_payment_form {
    my $self = shift;
    my $r;

    $r = $self->prepare_fines(undef, undef, [$self->cgi->param('xact'), $self->cgi->param('xact_misc')]) and return $r;
    $r = $self->prepare_extended_user_info and return $r;

    return Apache2::Const::OK;
}

# TODO: add other filter options as params/configs/etc.
sub load_myopac_payments {
    my $self = shift;
    my $limit = $self->cgi->param('limit') || 20;
    my $offset = $self->cgi->param('offset') || 0;
    my $e = $self->editor;

    $self->ctx->{payment_history_limit} = $limit;
    $self->ctx->{payment_history_offset} = $offset;

    my $args = {};
    $args->{limit} = $limit if $limit;
    $args->{offset} = $offset if $offset;

    if (my $max_age = $self->ctx->{get_org_setting}->(
        $e->requestor->home_ou, "opac.payment_history_age_limit"
    )) {
        my $min_ts = DateTime->now(
            "time_zone" => DateTime::TimeZone->new("name" => "local"),
        )->subtract("seconds" => interval_to_seconds($max_age))->iso8601();
        
        $logger->info("XXX min_ts: $min_ts");
        $args->{"where"} = {"payment_ts" => {">=" => $min_ts}};
    }

    $self->ctx->{payments} = $U->simplereq(
        'open-ils.actor',
        'open-ils.actor.user.payments.retrieve.atomic',
        $e->authtoken, $e->requestor->id, $args);

    return Apache2::Const::OK;
}

sub load_myopac_pay {
    my $self = shift;
    my $r;

    $r = $self->prepare_fines(undef, undef, [$self->cgi->param('xact'), $self->cgi->param('xact_misc')]) and
        return $r;

    # balance_owed is computed specifically from the fines we're trying
    # to pay in this case.
    if ($self->ctx->{fines}->{balance_owed} <= 0) {
        $self->apache->log->info(
            sprintf("Can't pay non-positive balance. xacts selected: (%s)",
                join(", ", map(int, $self->cgi->param("xact"), $self->cgi->param('xact_misc'))))
        );
        return Apache2::Const::HTTP_INTERNAL_SERVER_ERROR;
    }

    my $cc_args = {"where_process" => 1};

    $cc_args->{$_} = $self->cgi->param($_) for (qw/
        number cvv2 expire_year expire_month billing_first
        billing_last billing_address billing_city billing_state
        billing_zip
    /);

    my $args = {
        "cc_args" => $cc_args,
        "userid" => $self->ctx->{user}->id,
        "payment_type" => "credit_card_payment",
        "payments" => $self->prepare_fines_for_payment   # should be safe after self->prepare_fines
    };

    my $resp = $U->simplereq("open-ils.circ", "open-ils.circ.money.payment",
        $self->editor->authtoken, $args, $self->ctx->{user}->last_xact_id
    );

    $self->ctx->{"payment_response"} = $resp;

    unless ($resp->{"textcode"}) {
        $self->ctx->{printable_receipt} = $U->simplereq(
           "open-ils.circ", "open-ils.circ.money.payment_receipt.print",
           $self->editor->authtoken, $resp->{payments}
        );
    }

    return Apache2::Const::OK;
}

sub load_myopac_receipt_print {
    my $self = shift;

    $self->ctx->{printable_receipt} = $U->simplereq(
       "open-ils.circ", "open-ils.circ.money.payment_receipt.print",
       $self->editor->authtoken, [$self->cgi->param("payment")]
    );

    return Apache2::Const::OK;
}

sub load_myopac_receipt_email {
    my $self = shift;

    # The following ML method doesn't actually check whether the user in
    # question has an email address, so we do.
    if ($self->ctx->{user}->email) {
        $self->ctx->{email_receipt_result} = $U->simplereq(
           "open-ils.circ", "open-ils.circ.money.payment_receipt.email",
           $self->editor->authtoken, [$self->cgi->param("payment")]
        );
    } else {
        $self->ctx->{email_receipt_result} =
            new OpenILS::Event("PATRON_NO_EMAIL_ADDRESS");
    }

    return Apache2::Const::OK;
}

sub prepare_fines {
    my ($self, $limit, $offset, $id_list) = @_;

    # XXX TODO: check for failure after various network calls

    # It may be unclear, but this result structure lumps circulation and
    # reservation fines together, and keeps grocery fines separate.
    $self->ctx->{"fines"} = {
        "circulation" => [],
        "grocery" => [],
        "total_paid" => 0,
        "total_owed" => 0,
        "balance_owed" => 0
    };

    my $cstore = OpenSRF::AppSession->create('open-ils.cstore');

    # TODO: This should really be a ML call, but the existing calls 
    # return an excessive amount of data and don't offer streaming

    my %paging = ($limit or $offset) ? (limit => $limit, offset => $offset) : ();

    my $req = $cstore->request(
        'open-ils.cstore.direct.money.open_billable_transaction_summary.search',
        {
            usr => $self->editor->requestor->id,
            balance_owed => {'!=' => 0},
            ($id_list && @$id_list ? ("id" => $id_list) : ()),
        },
        {
            flesh => 4,
            flesh_fields => {
                mobts => [qw/grocery circulation reservation/],
                bresv => ['target_resource_type'],
                brt => ['record'],
                mg => ['billings'],
                mb => ['btype'],
                circ => ['target_copy'],
                acp => ['call_number'],
                acn => ['record']
            },
            order_by => { mobts => 'xact_start' },
            %paging
        }
    );

    my @total_keys = qw/total_paid total_owed balance_owed/;
    $self->ctx->{"fines"}->{@total_keys} = (0, 0, 0);

    while(my $resp = $req->recv) {
        my $mobts = $resp->content;
        my $circ = $mobts->circulation;

        my $last_billing;
        if($mobts->grocery) {
            my @billings = sort { $a->billing_ts cmp $b->billing_ts } @{$mobts->grocery->billings};
            $last_billing = pop(@billings);
        }

        # XXX TODO confirm that the following, and the later division by 100.0
        # to get a floating point representation once again, is sufficiently
        # "money-safe" math.
        $self->ctx->{"fines"}->{$_} += int($mobts->$_ * 100) for (@total_keys);

        my $marc_xml = undef;
        if ($mobts->xact_type eq 'reservation' and
            $mobts->reservation->target_resource_type->record) {
            $marc_xml = XML::LibXML->new->parse_string(
                $mobts->reservation->target_resource_type->record->marc
            );
        } elsif ($mobts->xact_type eq 'circulation' and
            $circ->target_copy->call_number->id != -1) {
            $marc_xml = XML::LibXML->new->parse_string(
                $circ->target_copy->call_number->record->marc
            );
        }

        push(
            @{$self->ctx->{"fines"}->{$mobts->grocery ? "grocery" : "circulation"}},
            {
                xact => $mobts,
                last_grocery_billing => $last_billing,
                marc_xml => $marc_xml
            } 
        );
    }

    $cstore->kill_me;

    $self->ctx->{"fines"}->{$_} /= 100.0 for (@total_keys);
    return;
}

sub prepare_fines_for_payment {
    # This assumes $self->prepare_fines has already been run
    my ($self) = @_;

    my @results = ();
    if ($self->ctx->{fines}) {
        push @results, [$_->{xact}->id, $_->{xact}->balance_owed] foreach (
            @{$self->ctx->{fines}->{circulation}},
            @{$self->ctx->{fines}->{grocery}}
        );
    }

    return \@results;
}

sub load_myopac_main {
    my $self = shift;
    my $limit = $self->cgi->param('limit') || 0;
    my $offset = $self->cgi->param('offset') || 0;

    return $self->prepare_fines($limit, $offset) || Apache2::Const::OK;
}

sub load_myopac_update_email {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;
    my $email = $self->cgi->param('email') || '';

    # needed for most up-to-date email address
    if (my $r = $self->prepare_extended_user_info) { return $r };

    return Apache2::Const::OK 
        unless $self->cgi->request_method eq 'POST';

    unless($email =~ /.+\@.+\..+/) { # TODO better regex?
        $ctx->{invalid_email} = $email;
        return Apache2::Const::OK;
    }

    my $stat = $U->simplereq(
        'open-ils.actor', 
        'open-ils.actor.user.email.update', 
        $e->authtoken, $email);

    unless ($self->cgi->param("redirect_to")) {
        my $url = $self->apache->unparsed_uri;
        $url =~ s/update_email/prefs/;

        return $self->generic_redirect($url);
    }

    return $self->generic_redirect;
}

sub load_myopac_update_username {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;
    my $username = $self->cgi->param('username') || '';

    return Apache2::Const::OK 
        unless $self->cgi->request_method eq 'POST';

    unless($username and $username !~ /\s/) { # any other username restrictions?
        $ctx->{invalid_username} = $username;
        return Apache2::Const::OK;
    }

    if($username ne $e->requestor->usrname) {

        my $evt = $U->simplereq(
            'open-ils.actor', 
            'open-ils.actor.user.username.update', 
            $e->authtoken, $username);

        if($U->event_equals($evt, 'USERNAME_EXISTS')) {
            $ctx->{username_exists} = $username;
            return Apache2::Const::OK;
        }
    }

    my $url = $self->apache->unparsed_uri;
    $url =~ s/update_username/prefs/;

    return $self->generic_redirect($url);
}

sub load_myopac_update_password {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;

    return Apache2::Const::OK 
        unless $self->cgi->request_method eq 'POST';

    my $current_pw = $self->cgi->param('current_pw') || '';
    my $new_pw = $self->cgi->param('new_pw') || '';
    my $new_pw2 = $self->cgi->param('new_pw2') || '';

    unless($new_pw eq $new_pw2) {
        $ctx->{password_nomatch} = 1;
        return Apache2::Const::OK;
    }

    my $pw_regex = $ctx->{get_org_setting}->($e->requestor->home_ou, 'global.password_regex');

    if($pw_regex and $new_pw !~ /$pw_regex/) {
        $ctx->{password_invalid} = 1;
        return Apache2::Const::OK;
    }

    my $evt = $U->simplereq(
        'open-ils.actor', 
        'open-ils.actor.user.password.update', 
        $e->authtoken, $new_pw, $current_pw);


    if($U->event_equals($evt, 'INCORRECT_PASSWORD')) {
        $ctx->{password_incorrect} = 1;
        return Apache2::Const::OK;
    }

    my $url = $self->apache->unparsed_uri;
    $url =~ s/update_password/prefs/;

    return $self->generic_redirect($url);
}

sub load_myopac_bookbags {
    my $self = shift;
    my $e = $self->editor;
    my $ctx = $self->ctx;

    $e->xact_begin; # replication...

    my $rv = $self->load_mylist;
    unless($rv eq Apache2::Const::OK) {
        $e->rollback;
        return $rv;
    }

    my $args = {
        order_by => {cbreb => 'name'},
        limit => $self->cgi->param('limit') || 10,
        offset => $self->cgi->param('offset') || 0
    };

    $ctx->{bookbags} = $e->search_container_biblio_record_entry_bucket(
        [
            {owner => $self->editor->requestor->id, btype => 'bookbag'},
            {"flesh" => 1, "flesh_fields" => {"cbreb" => ["items"]}, %$args}
        ], 
        {substream => 1}
    );

    if(!$ctx->{bookbags}) {
        $e->rollback;
        return Apache2::Const::HTTP_INTERNAL_SERVER_ERROR;
    }
    
    # get unique record IDs
    my %rec_ids = ();
    foreach my $bbag (@{$ctx->{bookbags}}) {
        foreach my $rec_id (
            map { $_->target_biblio_record_entry } @{$bbag->items}
        ) {
            $rec_ids{$rec_id} = 1;
        }
    }

    $ctx->{bookbags_marc_xml} = $self->fetch_marc_xml_by_id([keys %rec_ids]);

    $e->rollback;
    return Apache2::Const::OK;
}


# actions are create, delete, show, hide, rename, add_rec, delete_item, place_hold
# CGI is action, list=list_id, add_rec/record=bre_id, del_item=bucket_item_id, name=new_bucket_name
sub load_myopac_bookbag_update {
    my ($self, $action, $list_id, @hold_recs) = @_;
    my $e = $self->editor;
    my $cgi = $self->cgi;

    $action ||= $cgi->param('action');
    $list_id ||= $cgi->param('list');

    my @add_rec = $cgi->param('add_rec') || $cgi->param('record');
    my @selected_item = $cgi->param('selected_item');
    my $shared = $cgi->param('shared');
    my $name = $cgi->param('name');
    my $success = 0;
    my $list;

    if($action eq 'create') {
        $list = Fieldmapper::container::biblio_record_entry_bucket->new;
        $list->name($name);
        $list->owner($e->requestor->id);
        $list->btype('bookbag');
        $list->pub($shared ? 't' : 'f');
        $success = $U->simplereq('open-ils.actor', 
            'open-ils.actor.container.create', $e->authtoken, 'biblio', $list)

    } elsif($action eq 'place_hold') {

        # @hold_recs comes from anon lists redirect; selected_itesm comes from existing buckets
        unless (@hold_recs) {
            if (@selected_item) {
                my $items = $e->search_container_biblio_record_entry_bucket_item({id => \@selected_item});
                @hold_recs = map { $_->target_biblio_record_entry } @$items;
            }
        }
                
        return Apache2::Const::OK unless @hold_recs;
        $logger->info("placing holds from list page on: @hold_recs");

        my $url = $self->ctx->{opac_root} . '/place_hold?hold_type=T';
        $url .= ';hold_target=' . $_ for @hold_recs;
        return $self->generic_redirect($url);

    } else {

        $list = $e->retrieve_container_biblio_record_entry_bucket($list_id);

        return Apache2::Const::HTTP_BAD_REQUEST unless 
            $list and $list->owner == $e->requestor->id;
    }

    if($action eq 'delete') {
        $success = $U->simplereq('open-ils.actor', 
            'open-ils.actor.container.full_delete', $e->authtoken, 'biblio', $list_id);

    } elsif($action eq 'show') {
        unless($U->is_true($list->pub)) {
            $list->pub('t');
            $success = $U->simplereq('open-ils.actor', 
                'open-ils.actor.container.update', $e->authtoken, 'biblio', $list);
        }

    } elsif($action eq 'hide') {
        if($U->is_true($list->pub)) {
            $list->pub('f');
            $success = $U->simplereq('open-ils.actor', 
                'open-ils.actor.container.update', $e->authtoken, 'biblio', $list);
        }

    } elsif($action eq 'rename') {
        if($name) {
            $list->name($name);
            $success = $U->simplereq('open-ils.actor', 
                'open-ils.actor.container.update', $e->authtoken, 'biblio', $list);
        }

    } elsif($action eq 'add_rec') {
        foreach my $add_rec (@add_rec) {
            my $item = Fieldmapper::container::biblio_record_entry_bucket_item->new;
            $item->bucket($list_id);
            $item->target_biblio_record_entry($add_rec);
            $success = $U->simplereq('open-ils.actor', 
                'open-ils.actor.container.item.create', $e->authtoken, 'biblio', $item);
            last unless $success;
        }

    } elsif($action eq 'del_item') {
        foreach (@selected_item) {
            $success = $U->simplereq(
                'open-ils.actor',
                'open-ils.actor.container.item.delete', $e->authtoken, 'biblio', $_
            );
            last unless $success;
        }
    }

    return $self->generic_redirect if $success;

    $self->ctx->{bucket_action} = $action;
    $self->ctx->{bucket_action_failed} = 1;
    return Apache2::Const::OK;
}

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