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Koha/opac/opac-detail.pl
Frédéric Demians 199ec1473a Bugfix #2920 Avoid doing unecessary calls to Amazon Web Services 
This patch modifies how AWS is called. AWS is now called
depending on syspref. It works completly for OPAC; it
has to be refined for intranet.

For OPAC:

  * If OPACAmazonReviews is set, AWS EditorialReview and
    Reviews (users) are grabed.
  * If OPACAmazonSimilarItems is set, AWS Similarities info
    are grabed.
  * If nothing is asked, AWS is not called anymore,
    sparing server bandwidth.

For intranet:

  It works as it used to work. AWS is called if AmazonEnabled
  is set whatever how other syspref are set.

  TODO:

    * Add a AmazonReviews syspref
    * Request Amazon content depending on AmazonSimilarities
      and AmazonReviews syspref

DOCUMENTATION:

  It should be explained that Amazon services related syspref
  have two levels:

  * AmazonEnable / OPACAmazonEnable
  * Other: OPACAmazonReviews (new), OPACAmazonSimilarProduct,
    OPACAmazonCover

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>
2009-04-26 10:36:14 -05:00

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#!/usr/bin/perl
# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
use strict;
use warnings;
use CGI;
use C4::Auth;
use C4::Branch;
use C4::Koha;
use C4::Serials; #uses getsubscriptionfrom biblionumber
use C4::Output;
use C4::Biblio;
use C4::Items;
use C4::Circulation;
use C4::Tags qw(get_tags);
use C4::Dates qw/format_date/;
use C4::XISBN qw(get_xisbns get_biblionumber_from_isbn);
use C4::External::Amazon;
use C4::External::Syndetics qw(get_syndetics_index get_syndetics_summary get_syndetics_toc get_syndetics_excerpt get_syndetics_reviews get_syndetics_anotes );
use C4::Review;
use C4::Serials;
use C4::Members;
use C4::XSLT;
BEGIN {
if (C4::Context->preference('BakerTaylorEnabled')) {
require C4::External::BakerTaylor;
import C4::External::BakerTaylor qw(&image_url &link_url);
}
}
my $query = new CGI;
my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
{
template_name => "opac-detail.tmpl",
query => $query,
type => "opac",
authnotrequired => 1,
flagsrequired => { borrow => 1 },
}
);
my $biblionumber = $query->param('biblionumber') || $query->param('bib');
my $record = GetMarcBiblio($biblionumber);
$template->param( biblionumber => $biblionumber );
# XSLT processing of some stuff
if (C4::Context->preference("XSLTDetailsDisplay") ) {
my $newxmlrecord = XSLTParse4Display($biblionumber, $record, C4::Context->config('opachtdocs')."/prog/en/xslt/MARC21slim2OPACDetail.xsl");
$template->param('XSLTBloc' => $newxmlrecord);
}
$template->param('OPACShowCheckoutName' => C4::Context->preference("OPACShowCheckoutName") );
# change back when ive fixed request.pl
my @all_items = &GetItemsInfo( $biblionumber, 'opac' );
my @items;
@items = @all_items unless C4::Context->preference('hidelostitems');
if (C4::Context->preference('hidelostitems')) {
# Hide host items
for my $itm (@all_items) {
push @items, $itm unless $itm->{itemlost};
}
}
my $dat = &GetBiblioData($biblionumber);
if (!$dat) {
print $query->redirect("/cgi-bin/koha/errors/404.pl");
exit;
}
my $itemtypes = GetItemTypes();
# imageurl:
my $itemtype = $dat->{'itemtype'};
if ( $itemtype ) {
$dat->{'imageurl'} = getitemtypeimagelocation( 'opac', $itemtypes->{$itemtype}->{'imageurl'} );
$dat->{'description'} = $itemtypes->{$itemtype}->{'description'};
}
my $shelflocations =GetKohaAuthorisedValues('items.location',$dat->{'frameworkcode'});
my $collections = GetKohaAuthorisedValues('items.ccode',$dat->{'frameworkcode'} );
#coping with subscriptions
my $subscriptionsnumber = CountSubscriptionFromBiblionumber($biblionumber);
my @subscriptions = GetSubscriptions( $dat->{title}, $dat->{issn}, $biblionumber );
my @subs;
$dat->{'serial'}=1 if $subscriptionsnumber;
foreach my $subscription (@subscriptions) {
my $serials_to_display;
my %cell;
$cell{subscriptionid} = $subscription->{subscriptionid};
$cell{subscriptionnotes} = $subscription->{notes};
$cell{branchcode} = $subscription->{branchcode};
$cell{hasalert} = $subscription->{hasalert};
#get the three latest serials.
$serials_to_display = $subscription->{opacdisplaycount};
$serials_to_display = C4::Context->preference('OPACSerialIssueDisplayCount') unless $serials_to_display;
$cell{opacdisplaycount} = $serials_to_display;
$cell{latestserials} =
GetLatestSerials( $subscription->{subscriptionid}, $serials_to_display );
push @subs, \%cell;
}
$dat->{'count'} = scalar(@items);
my $biblio_authorised_value_images = C4::Items::get_authorised_value_images( C4::Biblio::get_biblio_authorised_values( $biblionumber, $record ) );
my $norequests = 1;
my $branches = GetBranches();
my %itemfields;
for my $itm (@items) {
$norequests = 0
if ( (not $itm->{'wthdrawn'} )
&& (not $itm->{'itemlost'} )
&& ($itm->{'itemnotforloan'}<0 || not $itm->{'itemnotforloan'} )
&& (not $itemtypes->{$itm->{'itype'}}->{notforloan} )
&& ($itm->{'itemnumber'} ) );
if ( defined $itm->{'publictype'} ) {
# I can't actually find any case in which this is defined. --amoore 2008-12-09
$itm->{ $itm->{'publictype'} } = 1;
}
$itm->{datedue} = format_date($itm->{datedue});
$itm->{datelastseen} = format_date($itm->{datelastseen});
# get collection code description, too
if ( my $ccode = $itm->{'ccode'} ) {
$itm->{'ccode'} = $collections->{$ccode} if ( defined($collections) && exists( $collections->{$ccode} ) );
}
if ( defined $itm->{'location'} ) {
$itm->{'location_description'} = $shelflocations->{ $itm->{'location'} };
}
if (exists $itm->{itype} && defined($itm->{itype}) && exists $itemtypes->{ $itm->{itype} }) {
$itm->{'imageurl'} = getitemtypeimagelocation( 'opac', $itemtypes->{ $itm->{itype} }->{'imageurl'} );
$itm->{'description'} = $itemtypes->{ $itm->{itype} }->{'description'};
}
foreach (qw(ccode enumchron copynumber itemnotes)) {
$itemfields{$_} = 1 if ($itm->{$_});
}
# walk through the item-level authorised values and populate some images
my $item_authorised_value_images = C4::Items::get_authorised_value_images( C4::Items::get_item_authorised_values( $itm->{'itemnumber'} ) );
# warn( Data::Dumper->Dump( [ $item_authorised_value_images ], [ 'item_authorised_value_images' ] ) );
if ( $itm->{'itemlost'} ) {
my $lostimageinfo = List::Util::first { $_->{'category'} eq 'LOST' } @$item_authorised_value_images;
$itm->{'lostimageurl'} = $lostimageinfo->{ 'imageurl' };
$itm->{'lostimagelabel'} = $lostimageinfo->{ 'label' };
}
if( $itm->{'count_reserves'}){
if( $itm->{'count_reserves'} eq "Waiting"){ $itm->{'waiting'} = 1; }
if( $itm->{'count_reserves'} eq "Reserved"){ $itm->{'onhold'} = 1; }
}
my ( $transfertwhen, $transfertfrom, $transfertto ) = GetTransfers($itm->{itemnumber});
if ( defined( $transfertwhen ) && $transfertwhen ne '' ) {
$itm->{transfertwhen} = format_date($transfertwhen);
$itm->{transfertfrom} = $branches->{$transfertfrom}{branchname};
$itm->{transfertto} = $branches->{$transfertto}{branchname};
}
}
## get notes and subjects from MARC record
my $dbh = C4::Context->dbh;
my $marcflavour = C4::Context->preference("marcflavour");
my $marcnotesarray = GetMarcNotes ($record,$marcflavour);
my $marcauthorsarray = GetMarcAuthors ($record,$marcflavour);
my $marcsubjctsarray = GetMarcSubjects($record,$marcflavour);
my $marcseriesarray = GetMarcSeries ($record,$marcflavour);
my $marcurlsarray = GetMarcUrls ($record,$marcflavour);
my $subtitle = C4::Biblio::get_koha_field_from_marc('bibliosubtitle', 'subtitle', $record, '');
$template->param(
MARCNOTES => $marcnotesarray,
MARCSUBJCTS => $marcsubjctsarray,
MARCAUTHORS => $marcauthorsarray,
MARCSERIES => $marcseriesarray,
MARCURLS => $marcurlsarray,
norequests => $norequests,
RequestOnOpac => C4::Context->preference("RequestOnOpac"),
itemdata_ccode => $itemfields{ccode},
itemdata_enumchron => $itemfields{enumchron},
itemdata_copynumber => $itemfields{copynumber},
itemdata_itemnotes => $itemfields{itemnotes},
authorised_value_images => $biblio_authorised_value_images,
subtitle => $subtitle,
);
foreach ( keys %{$dat} ) {
$template->param( "$_" => defined $dat->{$_} ? $dat->{$_} : '' );
}
# some useful variables for enhanced content;
# in each case, we're grabbing the first value we find in
# the record and normalizing it
my $upc = GetNormalizedUPC($record,$marcflavour);
my $ean = GetNormalizedEAN($record,$marcflavour);
my $oclc = GetNormalizedOCLCNumber($record,$marcflavour);
my $isbn = GetNormalizedISBN(undef,$record,$marcflavour);
my $content_identifier_exists = 1 if ($isbn or $ean or $oclc or $upc);
$template->param(
normalized_upc => $upc,
normalized_ean => $ean,
normalized_oclc => $oclc,
normalized_isbn => $isbn,
content_identifier_exists => $content_identifier_exists,
);
# COinS format FIXME: for books Only
my $coins_format;
my $fmt = substr $record->leader(), 6,2;
my $fmts;
$fmts->{'am'} = 'book';
$coins_format = $fmts->{$fmt};
$template->param(
ocoins_format => $coins_format,
);
my $reviews = getreviews( $biblionumber, 1 );
my $loggedincommenter;
foreach ( @$reviews ) {
my $borrowerData = GetMember($_->{borrowernumber},'borrowernumber');
# setting some borrower info into this hash
$_->{title} = $borrowerData->{'title'};
$_->{surname} = $borrowerData->{'surname'};
$_->{firstname} = $borrowerData->{'firstname'};
$_->{userid} = $borrowerData->{'userid'};
$_->{datereviewed} = format_date($_->{datereviewed});
if ($borrowerData->{'borrowernumber'} eq $borrowernumber) {
$_->{your_comment} = 1;
$loggedincommenter = 1;
}
}
if(C4::Context->preference("ISBD")) {
$template->param(ISBD => 1);
}
$template->param(
ITEM_RESULTS => \@items,
subscriptionsnumber => $subscriptionsnumber,
biblionumber => $biblionumber,
subscriptions => \@subs,
subscriptionsnumber => $subscriptionsnumber,
reviews => $reviews,
loggedincommenter => $loggedincommenter
);
# XISBN Stuff
if (C4::Context->preference("OPACFRBRizeEditions")==1) {
eval {
$template->param(
XISBNS => get_xisbns($isbn)
);
};
if ($@) { warn "XISBN Failed $@"; }
}
# Amazon.com Stuff
if ( C4::Context->preference("OPACAmazonEnabled") ) {
$template->param( AmazonTld => get_amazon_tld() );
my $amazon_reviews = C4::Context->preference("OPACAmazonReviews");
my $amazon_similars = C4::Context->preference("OPACAmazonSimilarItems");
my @services;
if ( $amazon_reviews ) {
$template->param( OPACAmazonReviews => 1 );
push( @services, 'EditorialReview', 'Reviews' );
}
if ( $amazon_similars ) {
$template->param( OPACAmazonSimilarItems => 1 );
push( @services, 'Similarities' );
}
my $amazon_details = &get_amazon_details( $isbn, $record, $marcflavour, \@services );
my $similar_products_exist;
if ( $amazon_reviews ) {
my $item = $amazon_details->{Items}->{Item};
my $customer_reviews = \@{ $item->{CustomerReviews}->{Review} };
for my $one_review ( @$customer_reviews ) {
$one_review->{Date} = format_date($one_review->{Date});
}
my $editorial_reviews = \@{ $item->{EditorialReviews}->{EditorialReview} };
my $average_rating = $item->{CustomerReviews}->{AverageRating} || 0;
$template->param( amazon_average_rating => $average_rating * 20);
$template->param( AMAZON_CUSTOMER_REVIEWS => $customer_reviews );
$template->param( AMAZON_EDITORIAL_REVIEWS => $editorial_reviews );
}
if ( $amazon_similars ) {
my $item = $amazon_details->{Items}->{Item};
my @similar_products;
for my $similar_product (@{ $item->{SimilarProducts}->{SimilarProduct} }) {
# do we have any of these isbns in our collection?
my $similar_biblionumbers = get_biblionumber_from_isbn($similar_product->{ASIN});
# verify that there is at least one similar item
if (scalar(@$similar_biblionumbers)){
$similar_products_exist++ if ($similar_biblionumbers && $similar_biblionumbers->[0]);
push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN} };
}
}
$template->param( OPACAmazonSimilarItems => $similar_products_exist );
$template->param( AMAZON_SIMILAR_PRODUCTS => \@similar_products );
}
}
my $syndetics_elements;
if ( C4::Context->preference("SyndeticsEnabled") ) {
eval {
$syndetics_elements = &get_syndetics_index($isbn,$upc,$oclc);
for my $element (values %$syndetics_elements) {
$template->param("Syndetics$element"."Exists" => 1 );
#warn "Exists: "."Syndetics$element"."Exists";
}
};
warn $@ if $@;
}
if ( C4::Context->preference("SyndeticsEnabled")
&& C4::Context->preference("SyndeticsSummary")
&& $syndetics_elements->{'SUMMARY'} =~ /SUMMARY/) {
eval {
my $syndetics_summary = &get_syndetics_summary($isbn,$upc,$oclc);
$template->param( SYNDETICS_SUMMARY => $syndetics_summary );
};
warn $@ if $@;
}
if ( C4::Context->preference("SyndeticsEnabled")
&& C4::Context->preference("SyndeticsTOC")
&& $syndetics_elements->{'TOC'} =~ /TOC/) {
eval {
my $syndetics_toc = &get_syndetics_toc($isbn,$upc,$oclc);
$template->param( SYNDETICS_TOC => $syndetics_toc );
};
warn $@ if $@;
}
if ( C4::Context->preference("SyndeticsEnabled")
&& C4::Context->preference("SyndeticsExcerpt")
&& $syndetics_elements->{'DBCHAPTER'} =~ /DBCHAPTER/ ) {
eval {
my $syndetics_excerpt = &get_syndetics_excerpt($isbn,$upc,$oclc);
$template->param( SYNDETICS_EXCERPT => $syndetics_excerpt );
};
warn $@ if $@;
}
if ( C4::Context->preference("SyndeticsEnabled")
&& C4::Context->preference("SyndeticsReviews")) {
eval {
my $syndetics_reviews = &get_syndetics_reviews($isbn,$upc,$oclc,$syndetics_elements);
$template->param( SYNDETICS_REVIEWS => $syndetics_reviews );
};
warn $@ if $@;
}
if ( C4::Context->preference("SyndeticsEnabled")
&& C4::Context->preference("SyndeticsAuthorNotes")
&& $syndetics_elements->{'ANOTES'} =~ /ANOTES/ ) {
eval {
my $syndetics_anotes = &get_syndetics_anotes($isbn,$upc,$oclc);
$template->param( SYNDETICS_ANOTES => $syndetics_anotes );
};
warn $@ if $@;
}
# LibraryThingForLibraries ID Code and Tabbed View Option
if( C4::Context->preference('LibraryThingForLibrariesEnabled') )
{
$template->param(LibraryThingForLibrariesID =>
C4::Context->preference('LibraryThingForLibrariesID') );
$template->param(LibraryThingForLibrariesTabbedView =>
C4::Context->preference('LibraryThingForLibrariesTabbedView') );
}
# Babelthèque
if ( C4::Context->preference("Babeltheque") ) {
$template->param(
Babeltheque => 1,
);
}
# Shelf Browser Stuff
if (C4::Context->preference("OPACShelfBrowser")) {
# pick the first itemnumber unless one was selected by the user
my $starting_itemnumber = $query->param('shelfbrowse_itemnumber'); # || $items[0]->{itemnumber};
$template->param( OpenOPACShelfBrowser => 1) if $starting_itemnumber;
# find the right cn_sort value for this item
my ($starting_cn_sort, $starting_homebranch, $starting_location);
my $sth_get_cn_sort = $dbh->prepare("SELECT cn_sort,homebranch,location from items where itemnumber=?");
$sth_get_cn_sort->execute($starting_itemnumber);
while (my $result = $sth_get_cn_sort->fetchrow_hashref()) {
$starting_cn_sort = $result->{'cn_sort'};
$starting_homebranch->{code} = $result->{'homebranch'};
$starting_homebranch->{description} = $branches->{$result->{'homebranch'}}{branchname};
$starting_location->{code} = $result->{'location'};
$starting_location->{description} = GetAuthorisedValueDesc('','', $result->{'location'} ,'','','LOC');
}
## List of Previous Items
# order by cn_sort, which should include everything we need for ordering purposes (though not
# for limits, those need to be handled separately
my $sth_shelfbrowse_previous = $dbh->prepare("
SELECT *
FROM items
WHERE
((cn_sort = ? AND itemnumber < ?) OR cn_sort < ?) AND
homebranch = ? AND location = ?
ORDER BY cn_sort DESC, itemnumber LIMIT 3
");
$sth_shelfbrowse_previous->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code}, $starting_location->{code});
my @previous_items;
while (my $this_item = $sth_shelfbrowse_previous->fetchrow_hashref()) {
my $sth_get_biblio = $dbh->prepare("SELECT biblio.*,biblioitems.isbn AS isbn FROM biblio LEFT JOIN biblioitems ON biblio.biblionumber=biblioitems.biblionumber WHERE biblio.biblionumber=?");
$sth_get_biblio->execute($this_item->{biblionumber});
while (my $this_biblio = $sth_get_biblio->fetchrow_hashref()) {
$this_item->{'title'} = $this_biblio->{'title'};
my $this_record = GetMarcBiblio($this_biblio->{'biblionumber'});
$this_item->{'browser_normalized_upc'} = GetNormalizedUPC($this_record,$marcflavour);
$this_item->{'browser_normalized_oclc'} = GetNormalizedOCLCNumber($this_record,$marcflavour);
$this_item->{'browser_normalized_isbn'} = GetNormalizedISBN(undef,$this_record,$marcflavour);
}
unshift @previous_items, $this_item;
}
## List of Next Items; this also intentionally catches the current item
my $sth_shelfbrowse_next = $dbh->prepare("
SELECT *
FROM items
WHERE
((cn_sort = ? AND itemnumber >= ?) OR cn_sort > ?) AND
homebranch = ? AND location = ?
ORDER BY cn_sort, itemnumber LIMIT 3
");
$sth_shelfbrowse_next->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code}, $starting_location->{code});
my @next_items;
while (my $this_item = $sth_shelfbrowse_next->fetchrow_hashref()) {
my $sth_get_biblio = $dbh->prepare("SELECT biblio.*,biblioitems.isbn AS isbn FROM biblio LEFT JOIN biblioitems ON biblio.biblionumber=biblioitems.biblionumber WHERE biblio.biblionumber=?");
$sth_get_biblio->execute($this_item->{biblionumber});
while (my $this_biblio = $sth_get_biblio->fetchrow_hashref()) {
$this_item->{'title'} = $this_biblio->{'title'};
my $this_record = GetMarcBiblio($this_biblio->{'biblionumber'});
$this_item->{'browser_normalized_upc'} = GetNormalizedUPC($this_record,$marcflavour);
$this_item->{'browser_normalized_oclc'} = GetNormalizedOCLCNumber($this_record,$marcflavour);
$this_item->{'browser_normalized_isbn'} = GetNormalizedISBN(undef,$this_record,$marcflavour);
}
push @next_items, $this_item;
}
# alas, these won't auto-vivify, see http://www.perlmonks.org/?node_id=508481
my $shelfbrowser_next_itemnumber = $next_items[-1]->{itemnumber} if @next_items;
my $shelfbrowser_next_biblionumber = $next_items[-1]->{biblionumber} if @next_items;
$template->param(
starting_homebranch => $starting_homebranch->{description},
starting_location => $starting_location->{description},
starting_itemnumber => $starting_itemnumber,
shelfbrowser_prev_itemnumber => (@previous_items ? $previous_items[0]->{itemnumber} : 0),
shelfbrowser_next_itemnumber => $shelfbrowser_next_itemnumber,
shelfbrowser_prev_biblionumber => (@previous_items ? $previous_items[0]->{biblionumber} : 0),
shelfbrowser_next_biblionumber => $shelfbrowser_next_biblionumber,
PREVIOUS_SHELF_BROWSE => \@previous_items,
NEXT_SHELF_BROWSE => \@next_items,
);
}
if (C4::Context->preference("BakerTaylorEnabled")) {
$template->param(
BakerTaylorEnabled => 1,
BakerTaylorImageURL => &image_url(),
BakerTaylorLinkURL => &link_url(),
BakerTaylorBookstoreURL => C4::Context->preference('BakerTaylorBookstoreURL'),
);
my ($bt_user, $bt_pass);
if ($isbn and
$bt_user = C4::Context->preference('BakerTaylorUsername') and
$bt_pass = C4::Context->preference('BakerTaylorPassword') )
{
$template->param(
BakerTaylorContentURL =>
sprintf("http://contentcafe2.btol.com/ContentCafeClient/ContentCafe.aspx?UserID=%s&Password=%s&ItemKey=%s&Options=Y",
$bt_user,$bt_pass,$isbn)
);
}
}
my $tag_quantity;
if (C4::Context->preference('TagsEnabled') and $tag_quantity = C4::Context->preference('TagsShowOnDetail')) {
$template->param(
TagsEnabled => 1,
TagsShowOnDetail => $tag_quantity,
TagsInputOnDetail => C4::Context->preference('TagsInputOnDetail')
);
$template->param(TagLoop => get_tags({biblionumber=>$biblionumber, approved=>1,
'sort'=>'-weight', limit=>$tag_quantity}));
}
output_html_with_http_headers $query, $cookie, $template->output;
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