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webstaff: Simplify logic of grouped items; Add mark missing/damaged; Add show item...
[working/Evergreen.git] / Open-ILS / web / js / ui / default / staff / cat / catalog / app.js
1 /**
2  * TPAC Frame App
3  *
4  * currently, this app doesn't use routes for each sub-ui, because 
5  * reloading the catalog each time is sloooow.  better so far to 
6  * swap out divs w/ ng-if / ng-show / ng-hide as needed.
7  *
8  */
9
10 angular.module('egCatalogApp', ['ui.bootstrap','ngRoute','egCoreMod','egGridMod', 'egMarcMod'])
11
12 .config(function($routeProvider, $locationProvider, $compileProvider) {
13     $locationProvider.html5Mode(true);
14     $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|blob):/); // grid export
15
16     var resolver = {delay : 
17         ['egStartup', function(egStartup) {return egStartup.go()}]}
18
19     $routeProvider.when('/cat/catalog/index', {
20         templateUrl: './cat/catalog/t_catalog',
21         controller: 'CatalogCtrl',
22         resolve : resolver
23     });
24
25     $routeProvider.when('/cat/catalog/retrieve_by_id', {
26         templateUrl: './cat/catalog/t_retrieve_by_id',
27         controller: 'CatalogRecordRetrieve',
28         resolve : resolver
29     });
30
31     $routeProvider.when('/cat/catalog/retrieve_by_tcn', {
32         templateUrl: './cat/catalog/t_retrieve_by_tcn',
33         controller: 'CatalogRecordRetrieve',
34         resolve : resolver
35     });
36
37     // create some catalog page-specific mappings
38     $routeProvider.when('/cat/catalog/record/:record_id', {
39         templateUrl: './cat/catalog/t_catalog',
40         controller: 'CatalogCtrl',
41         resolve : resolver
42     });
43
44     // create some catalog page-specific mappings
45     $routeProvider.when('/cat/catalog/record/:record_id/:record_tab', {
46         templateUrl: './cat/catalog/t_catalog',
47         controller: 'CatalogCtrl',
48         resolve : resolver
49     });
50
51     $routeProvider.when('/cat/catalog/batchEdit', {
52         templateUrl: './cat/catalog/t_batchedit',
53         controller: 'BatchEditCtrl',
54         resolve : resolver
55     });
56
57     $routeProvider.when('/cat/catalog/batchEdit/:container_type/:container_id', {
58         templateUrl: './cat/catalog/t_batchedit',
59         controller: 'BatchEditCtrl',
60         resolve : resolver
61     });
62
63     $routeProvider.when('/cat/catalog/vandelay', {
64         templateUrl: './cat/catalog/t_vandelay',
65         controller: 'VandelayCtrl',
66         resolve : resolver
67     });
68
69     $routeProvider.when('/cat/catalog/verifyURLs', {
70         templateUrl: './cat/catalog/t_verifyurls',
71         controller: 'URLVerifyCtrl',
72         resolve : resolver
73     });
74
75     $routeProvider.when('/cat/catalog/manageAuthorities', {
76         templateUrl: './cat/catalog/t_manageauthorities',
77         controller: 'ManageAuthoritiesCtrl',
78         resolve : resolver
79     });
80
81     $routeProvider.otherwise({redirectTo : '/cat/catalog/index'});
82 })
83
84
85 /**
86  * */
87 .controller('CatalogRecordRetrieve',
88        ['$scope','$routeParams','$location','$q','egCore',
89 function($scope , $routeParams , $location , $q , egCore ) {
90
91     $scope.focusMe = true;
92
93     // jump to the patron checkout UI
94     function loadRecord(record_id) {
95         $location
96         .path('/cat/catalog/record/' + record_id);
97     }
98
99     $scope.submitId = function(args) {
100         $scope.recordNotFound = null;
101         if (!args.record_id) return;
102
103         // blur so next time it's set to true it will re-apply select()
104         $scope.selectMe = false;
105
106         return loadRecord(args.record_id);
107     }
108
109     $scope.submitTCN = function(args) {
110         $scope.recordNotFound = null;
111         $scope.moreRecordsFound = null;
112         if (!args.record_tcn) return;
113
114         // blur so next time it's set to true it will re-apply select()
115         $scope.selectMe = false;
116
117         // lookup TCN
118         egCore.net.request(
119             'open-ils.search',
120             'open-ils.search.biblio.tcn',
121             args.record_tcn)
122
123         .then(function(resp) { // get_barcodes
124
125             if (evt = egCore.evt.parse(resp)) {
126                 alert(evt); // FIXME
127                 return;
128             }
129
130             if (!resp.count) {
131                 $scope.recordNotFound = args.record_tcn;
132                 $scope.selectMe = true;
133                 return;
134             }
135
136             if (resp.count > 1) {
137                 $scope.moreRecordsFound = args.record_tcn;
138                 $scope.selectMe = true;
139                 return;
140             }
141
142             var record_id = resp.ids[0];
143             return loadRecord(record_id);
144         });
145     }
146
147 }])
148
149 .controller('CatalogCtrl',
150        ['$scope','$routeParams','$location','$window','$q','egCore','egHolds','egCirc',
151         'egGridDataProvider','egHoldGridActions','$timeout','holdingsSvc',
152 function($scope , $routeParams , $location , $window , $q , egCore , egHolds , egCirc, 
153          egGridDataProvider , egHoldGridActions , $timeout , holdingsSvc) {
154
155     // set record ID on page load if available...
156     $scope.record_id = $routeParams.record_id;
157
158     if ($routeParams.record_id) $scope.from_route = true;
159     else $scope.from_route = false;
160
161     // will hold a ref to the opac iframe
162     $scope.opac_iframe = null;
163     $scope.parts_iframe = null;
164
165     $scope.in_opac_call = false;
166     $scope.opac_call = function (opac_frame_function, force_opac_tab) {
167         if ($scope.opac_iframe) {
168             if (force_opac_tab) $scope.record_tab = 'catalog';
169             $scope.in_opac_call = true;
170             $scope.opac_iframe.dom.contentWindow[opac_frame_function]();
171         }
172     }
173
174     $scope.stop_unload = false;
175     $scope.$watch('stop_unload',
176         function(newVal, oldVal) {
177             if (newVal && newVal != oldVal && $scope.opac_iframe) {
178                 $($scope.opac_iframe.dom.contentWindow).on('beforeunload', function(){
179                     return 'There is unsaved data in this record.'
180                 });
181             } else {
182                 if ($scope.opac_iframe)
183                     $($scope.opac_iframe.dom.contentWindow).off('beforeunload');
184             }
185         }
186     );
187
188     // Set the "last bib" cookie, if we have that
189     if ($scope.record_id)
190         egCore.hatch.setLocalItem("eg.cat.last_record_retrieved", $scope.record_id);
191
192     // also set it when the iframe changes to a new record
193     $scope.handle_page = function(url) {
194
195         if (!url || url == 'about:blank') {
196             // nothing loaded.  If we already have a record ID, leave it.
197             return;
198         }
199
200         var match = url.match(/\/+opac\/+record\/+(\d+)/);
201         if (match) {
202             $scope.record_id = match[1];
203             egCore.hatch.setLocalItem("eg.cat.last_record_retrieved", $scope.record_id);
204             init_parts_url();
205         } else {
206             delete $scope.record_id;
207             $scope.from_route = false;
208         }
209
210         // child scope is executing this function, so our digest doesn't fire ... thus,
211         $scope.$apply();
212
213         if (!$scope.in_opac_call) {
214             if ($scope.record_id) {
215                 $scope.default_tab = egCore.hatch.getLocalItem( 'eg.cat.default_record_tab' );
216                 tab = $routeParams.record_tab || $scope.default_tab || 'catalog';
217             } else {
218                 tab = $routeParams.record_tab || 'catalog';
219             }
220             $scope.set_record_tab(tab);
221         } else {
222             $scope.in_opac_call = false;
223         }
224     }
225
226     // xulG catalog handlers
227     $scope.handlers = { }
228
229     // ------------------------------------------------------------------
230     // Holdings
231
232     $scope.holdingsGridControls = {};
233     $scope.holdingsGridDataProvider = egGridDataProvider.instance({
234         get : function(offset, count) {
235             return this.arrayNotifier(holdingsSvc.copies, offset, count);
236         }
237     });
238
239     // refresh the list of holdings when the filter lib is changed.
240     $scope.holdings_ou = egCore.org.get(egCore.auth.user().ws_ou());
241     $scope.holdings_ou_changed = function(org) {
242         $scope.holdings_ou = org;
243         holdingsSvc.fetch({
244             rid : $scope.record_id,
245             org : $scope.holdings_ou,
246             copy: $scope.holdings_show_copies,
247             vol : $scope.holdings_show_vols,
248             empty: $scope.holdings_show_empty
249         }).then(function() {
250             $scope.holdingsGridDataProvider.refresh();
251         });
252     }
253
254     $scope.holdings_show_copies_changed = function(newVal) {
255         $scope.holdings_show_copies = newVal;
256         egCore.hatch.setItem('cat.holdings.show_copies', newVal);
257         holdingsSvc.fetch({
258             rid : $scope.record_id,
259             org : $scope.holdings_ou,
260             copy: $scope.holdings_show_copies,
261             vol : $scope.holdings_show_vols,
262             empty: $scope.holdings_show_empty
263         }).then(function() {
264             $scope.holdingsGridDataProvider.refresh();
265         });
266     }
267
268     $scope.holdings_show_vols_changed = function(newVal) {
269         $scope.holdings_show_vols = newVal;
270         egCore.hatch.setItem('cat.holdings.show_vols', newVal);
271         holdingsSvc.fetch({
272             rid : $scope.record_id,
273             org : $scope.holdings_ou,
274             copy: $scope.holdings_show_copies,
275             vol : $scope.holdings_show_vols,
276             empty: $scope.holdings_show_empty
277         }).then(function() {
278             $scope.holdingsGridDataProvider.refresh();
279         });
280     }
281
282     $scope.holdings_show_empty_changed = function(newVal) {
283         $scope.holdings_show_empty = newVal;
284         egCore.hatch.setItem('cat.holdings.show_empty', newVal);
285         holdingsSvc.fetch({
286             rid : $scope.record_id,
287             org : $scope.holdings_ou,
288             copy: $scope.holdings_show_copies,
289             vol : $scope.holdings_show_vols,
290             empty: $scope.holdings_show_empty
291         }).then(function() {
292             $scope.holdingsGridDataProvider.refresh();
293         });
294     }
295
296     egCore.hatch.getItem('cat.holdings.show_copies').then(function(x){
297         if (typeof x ==  'undefined') x = true;
298         $scope.holdings_show_copies = x;
299     });
300
301     egCore.hatch.getItem('cat.holdings.show_vols').then(function(x){
302         if (typeof x ==  'undefined') x = true;
303         $scope.holdings_show_vols = x;
304     });
305
306     egCore.hatch.getItem('cat.holdings.show_emtpy').then(function(x){
307         if (typeof x ==  'undefined') x = false;
308         $scope.holdings_show_empty = x;
309     });
310
311     $scope.holdings_checkbox_handler = function (item) {
312         $scope[item.checkbox] = item.checked;
313         $scope[item.checkbox + '_changed'](item.checked);
314     }
315
316     function gatherSelectedHoldingsIds () {
317         var cp_id_list = [];
318         angular.forEach(
319             $scope.holdingsGridControls.selectedItems(),
320             function (item) { cp_id_list = cp_id_list.concat(item.id_list) }
321         );
322         return cp_id_list;
323     }
324
325     $scope.selectedHoldingsItemStatus = function (){
326         var url = egCore.env.basePath + 'cat/item/search/' + gatherSelectedHoldingsIds().join(',')
327         $timeout(function() { $window.open(url, '_blank') });
328     }
329
330     $scope.selectedHoldingsItemStatusDetail = function (){
331         angular.forEach(
332             gatherSelectedHoldingsIds(),
333             function (cid) {
334                 var url = egCore.env.basePath +
335                           'cat/item/' + cid;
336                 $timeout(function() { $window.open(url, '_blank') });
337             }
338         );
339     }
340
341     $scope.selectedHoldingsItemStatusTgrEvt = function (){
342         angular.forEach(
343             gatherSelectedHoldingsIds(),
344             function (cid) {
345                 var url = egCore.env.basePath +
346                           'cat/item/' + cid + '/triggered_events';
347                 $timeout(function() { $window.open(url, '_blank') });
348             }
349         );
350     }
351
352     $scope.selectedHoldingsItemStatusHolds = function (){
353         angular.forEach(
354             gatherSelectedHoldingsIds(),
355             function (cid) {
356                 var url = egCore.env.basePath +
357                           'cat/item/' + cid + '/holds';
358                 $timeout(function() { $window.open(url, '_blank') });
359             }
360         );
361     }
362
363     $scope.selectedHoldingsDamaged = function () {
364         egCirc.mark_damaged(gatherSelectedHoldingsIds()).then(function() {
365             holdingsSvc.fetch({
366                 rid : $scope.record_id,
367                 org : $scope.holdings_ou,
368                 copy: $scope.holdings_show_copies,
369                 vol : $scope.holdings_show_vols,
370                 empty: $scope.holdings_show_empty
371             }).then(function() {
372                 $scope.holdingsGridDataProvider.refresh();
373             });
374         });
375     }
376
377     $scope.selectedHoldingsMissing = function () {
378         egCirc.mark_missing(gatherSelectedHoldingsIds()).then(function() {
379             holdingsSvc.fetch({
380                 rid : $scope.record_id,
381                 org : $scope.holdings_ou,
382                 copy: $scope.holdings_show_copies,
383                 vol : $scope.holdings_show_vols,
384                 empty: $scope.holdings_show_empty
385             }).then(function() {
386                 $scope.holdingsGridDataProvider.refresh();
387             });
388         });
389     }
390
391
392     // ------------------------------------------------------------------
393     // Holds 
394     var provider = egGridDataProvider.instance({});
395     $scope.hold_grid_data_provider = provider;
396     $scope.grid_actions = egHoldGridActions;
397     $scope.grid_actions.refresh = function () { provider.refresh() };
398     $scope.hold_grid_controls = {};
399
400     var hold_ids = []; // current list of holds
401     function fetchHolds(offset, count) {
402         var ids = hold_ids.slice(offset, offset + count);
403         return egHolds.fetch_holds(ids).then(null, null,
404             function(hold_data) { 
405                 return hold_data;
406             }
407         );
408     }
409
410     provider.get = function(offset, count) {
411         if ($scope.record_tab != 'holds') return $q.when();
412         var deferred = $q.defer();
413         hold_ids = []; // no caching ATM
414
415         // fetch the IDs
416         egCore.net.request(
417             'open-ils.circ',
418             'open-ils.circ.holds.retrieve_all_from_title',
419             egCore.auth.token(), $scope.record_id, 
420             {pickup_lib : egCore.org.descendants($scope.pickup_ou.id(), true)}
421         ).then(
422             function(hold_data) {
423                 angular.forEach(hold_data, function(list, type) {
424                     hold_ids = hold_ids.concat(list);
425                 });
426                 fetchHolds(offset, count).then(
427                     deferred.resolve, null, deferred.notify);
428             }
429         );
430
431         return deferred.promise;
432     }
433
434     $scope.detail_view = function(action, user_data, items) {
435         if (h = items[0]) {
436             $scope.detail_hold_id = h.hold.id();
437         }
438     }
439
440     $scope.list_view = function(items) {
441          $scope.detail_hold_id = null;
442     }
443
444     // refresh the list of record holds when the pickup lib is changed.
445     $scope.pickup_ou = egCore.org.get(egCore.auth.user().ws_ou());
446     $scope.pickup_ou_changed = function(org) {
447         $scope.pickup_ou = org;
448         provider.refresh();
449     }
450
451     $scope.print_holds = function() {
452         var holds = [];
453         angular.forEach($scope.hold_grid_controls.allItems(), function(item) {
454             holds.push({
455                 hold : egCore.idl.toHash(item.hold),
456                 patron_last : item.patron_last,
457                 patron_alias : item.patron_alias,
458                 patron_barcode : item.patron_barcode,
459                 copy : egCore.idl.toHash(item.copy),
460                 volume : egCore.idl.toHash(item.volume),
461                 title : item.mvr.title(),
462                 author : item.mvr.author()
463             });
464         });
465
466         egCore.print.print({
467             context : 'receipt', 
468             template : 'holds_for_bib', 
469             scope : {holds : holds}
470         });
471     }
472
473     $scope.mark_hold_transfer_dest = function() {
474         egCore.hatch.setLocalItem(
475             'eg.circ.hold.title_transfer_target', $scope.record_id);
476     }
477
478     // UI presents this option as "all holds"
479     $scope.transfer_holds_to_marked = function() {
480         var hold_ids = $scope.hold_grid_controls.allItems().map(
481             function(hold_data) {return hold_data.hold.id()});
482         egHolds.transfer_to_marked_title(hold_ids);
483     }
484
485     // ------------------------------------------------------------------
486     // Initialize the selected tab
487
488     function init_cat_url() {
489         // Set the initial catalog URL.  This only happens once.
490         // The URL is otherwise generated through user navigation.
491         if ($scope.catalog_url) return; 
492
493         var url = $location.absUrl().replace(/\/staff.*/, '/opac/advanced');
494
495         // A record ID in the path indicates a request for the record-
496         // specific page.
497         if ($routeParams.record_id) {
498             url = url.replace(/advanced/, '/record/' + $scope.record_id);
499         }
500
501         $scope.catalog_url = url;
502     }
503
504     function init_parts_url() {
505         $scope.parts_url = $location
506             .absUrl()
507             .replace(
508                 /\/staff.*/,
509                 '/conify/global/biblio/monograph_part?r='+$scope.record_id
510             );
511     }
512
513     $scope.set_record_tab = function(tab) {
514         $scope.record_tab = tab;
515
516         switch(tab) {
517
518             case 'monoparts':
519                 init_parts_url();
520                 break;
521
522             case 'catalog':
523                 init_cat_url();
524                 break;
525
526             case 'holds':
527                 $scope.detail_hold_record_id = $scope.record_id; 
528                 // refresh the holds grid
529                 provider.refresh();
530                 break;
531         }
532     }
533
534     $scope.set_default_record_tab = function() {
535         egCore.hatch.setLocalItem(
536             'eg.cat.default_record_tab', $scope.record_tab);
537         $timeout(function(){$scope.default_tab = $scope.record_tab});
538     }
539
540     var tab;
541     if ($scope.record_id) {
542         $scope.default_tab = egCore.hatch.getLocalItem( 'eg.cat.default_record_tab' );
543         tab = $routeParams.record_tab || $scope.default_tab || 'catalog';
544
545
546         $timeout(function(){
547             holdingsSvc.fetch({
548                 rid : $scope.record_id,
549                 org : $scope.holdings_ou,
550                 copy: $scope.holdings_show_copies,
551                 vol : $scope.holdings_show_vols,
552                 empty: $scope.holdings_show_empty
553             }).then(function() {
554                 $scope.holdingsGridDataProvider.refresh();
555             });
556         });
557
558     } else {
559         tab = $routeParams.record_tab || 'catalog';
560     }
561     $scope.set_record_tab(tab);
562
563 }])
564
565 .controller('URLVerifyCtrl',
566        ['$scope','$location',
567 function($scope , $location) {
568     $scope.verifyurls_url = $location.absUrl().replace(/\/staff.*/, '/url_verify/sessions');
569 }])
570
571 .controller('VandelayCtrl',
572        ['$scope','$location',
573 function($scope , $location) {
574     $scope.vandelay_url = $location.absUrl().replace(/\/staff.*/, '/vandelay/vandelay');
575 }])
576
577 .controller('ManageAuthoritiesCtrl',
578        ['$scope','$location',
579 function($scope , $location) {
580     $scope.manageauthorities_url = $location.absUrl().replace(/\/staff.*/, '/cat/authority/list');
581 }])
582
583 .controller('BatchEditCtrl',
584        ['$scope','$location','$routeParams',
585 function($scope , $location , $routeParams) {
586     $scope.batchedit_url = $location.absUrl().replace(/\/eg.*/, '/opac/extras/merge_template');
587     if ($routeParams.container_type) {
588         switch ($routeParams.container_type) {
589             case 'bucket':
590                 $scope.batchedit_url += '?recordSource=b&containerid=' + $routeParams.container_id;
591                 break;
592             case 'record':
593                 $scope.batchedit_url += '?recordSource=r&recid=' + $routeParams.container_id;
594                 break;
595         };
596     }
597 }])
598
599  
600 .filter('boolText', function(){
601     return function (v) {
602         return v == 't';
603     }
604 })
605
606 .factory('holdingsSvc', 
607        ['egCore','$q',
608 function(egCore , $q) {
609
610     var service = {
611         ongoing : false,
612         copies : [], // record search results
613         index : 0, // search grid index
614         org : null,
615         rid : null
616     };
617
618     service.flesh = {   
619         flesh : 2, 
620         flesh_fields : {
621             acp : ['status','location'],
622             acn : ['prefix','suffix','copies']
623         }
624     }
625
626     // resolved with the last received copy
627     service.fetch = function(opts) {
628         if (service.ongoing) return $q.when();
629
630         var rid = opts.rid;
631         var org = opts.org;
632         var copy = opts.copy;
633         var vol = opts.vol;
634         var empty = opts.empty;
635
636         if (!rid) return $q.when();
637         if (!org) return $q.when();
638
639         service.ongoing = true;
640
641         service.rid = rid;
642         service.org = org;
643         service.copies = [];
644         service.index = 0;
645
646         var org_list = egCore.org.descendants(org.id(), true);
647
648         return egCore.pcrud.search(
649             'acn',
650             {record : rid, owning_lib : org_list, deleted : 'f'},
651             service.flesh
652         ).then(
653             function() { // finished
654                 service.copies = service.copies.sort(
655                     function (a, b) {
656                         function compare_array (x, y, i) {
657                             if (x[i] && y[i]) { // both have values
658                                 if (x[i] == y[i]) { // need to look deeper
659                                     return compare_array(x, y, ++i);
660                                 }
661
662                                 if (x[i] < y[i]) { // x is first
663                                     return -1;
664                                 } else if (x[i] > y[i]) { // y is first
665                                     return 1;
666                                 }
667
668                             } else { // no orgs to compare ...
669                                 if (x[i]) return -1;
670                                 if (y[i]) return 1;
671                             }
672                             return 0;
673                         }
674
675                         var owner_order = compare_array(a.owner_list, b.owner_list, 0);
676                         if (!owner_order) {
677                             // now compare on CN label
678                             if (a.call_number.label < b.call_number.label) return -1;
679                             if (a.call_number.label > b.call_number.label) return 1;
680
681                             // try copy number
682                             if (a.copy_number < b.copy_number) return -1;
683                             if (a.copy_number > b.copy_number) return 1;
684
685                             // finally, barcode
686                             if (a.barcode < b.barcode) return -1;
687                             if (a.barcode > b.barcode) return 1;
688                         }
689                         return owner_order;
690                     }
691                 );
692
693                 // create a label using just the unique part of the owner list
694                 var index = 0;
695                 var prev_owner_list;
696                 angular.forEach(service.copies, function (cp) {
697                     if (!prev_owner_list) {
698                         cp.owner_label = cp.owner_list.join(' ... ');
699                     } else {
700                         var current_owner_list = cp.owner_list.slice();
701                         while (current_owner_list[1] && prev_owner_list[1] && current_owner_list[0] == prev_owner_list[0]) {
702                             current_owner_list.shift();
703                             prev_owner_list.shift();
704                         }
705                         cp.owner_label = current_owner_list.join(' ... ');
706                     }
707
708                     cp.index = index++;
709                     prev_owner_list = cp.owner_list.slice();
710                 });
711
712                 var new_list = service.copies;
713                 if (!copy || !vol) { // collapse copy rows, supply a count instead
714
715                     index = 0;
716                     var cp_list = [];
717                     var prev_key;
718                     var current_blob = {};
719                     angular.forEach(new_list, function (cp) {
720                         if (!prev_key) {
721                             prev_key = cp.owner_list.join('') + cp.call_number.label;
722                             if (cp.barcode) current_blob.copy_count = 1;
723                             current_blob.index = index++;
724                             current_blob.id_list = cp.id_list;
725                             current_blob.call_number = cp.call_number;
726                             current_blob.owner_list = cp.owner_list;
727                             current_blob.owner_label = cp.owner_label;
728                         } else {
729                             var current_key = cp.owner_list.join('') + cp.call_number.label;
730                             if (prev_key == current_key) { // collapse into current_blob
731                                 current_blob.copy_count++;
732                                 current_blob.id_list = current_blob.id_list.concat(cp.id_list);
733                             } else {
734                                 current_blob.barcode = current_blob.copy_count;
735                                 cp_list.push(current_blob);
736                                 prev_key = current_key;
737                                 current_blob = {};
738                                 if (cp.barcode) current_blob.copy_count = 1;
739                                 current_blob.index = index++;
740                                 current_blob.id_list = cp.id_list;
741                                 current_blob.owner_label = cp.owner_label;
742                                 current_blob.call_number = cp.call_number;
743                                 current_blob.owner_list = cp.owner_list;
744                             }
745                         }
746                     });
747
748                     current_blob.barcode = current_blob.copy_count;
749                     cp_list.push(current_blob);
750                     new_list = cp_list;
751
752                     if (!vol) { // do the same for vol rows
753
754                         index = 0;
755                         var cn_list = [];
756                         prev_key = '';
757                         var current_blob = {};
758                         angular.forEach(cp_list, function (cp) {
759                             if (!prev_key) {
760                                 prev_key = cp.owner_list.join('');
761                                 current_blob.index = index++;
762                                 current_blob.id_list = cp.id_list;
763                                 current_blob.cn_count = 1;
764                                 current_blob.copy_count = cp.copy_count;
765                                 current_blob.owner_list = cp.owner_list;
766                                 current_blob.owner_label = cp.owner_label;
767                             } else {
768                                 var current_key = cp.owner_list.join('');
769                                 if (prev_key == current_key) { // collapse into current_blob
770                                     current_blob.cn_count++;
771                                     current_blob.copy_count += cp.copy_count;
772                                     current_blob.id_list = current_blob.id_list.concat(cp.id_list);
773                                 } else {
774                                     current_blob.barcode = current_blob.copy_count;
775                                     current_blob.call_number = { label : current_blob.cn_count };
776                                     cn_list.push(current_blob);
777                                     prev_key = current_key;
778                                     current_blob = {};
779                                     current_blob.index = index++;
780                                     current_blob.id_list = cp.id_list;
781                                     current_blob.owner_label = cp.owner_label;
782                                     current_blob.cn_count = 1;
783                                     current_blob.copy_count = cp.copy_count;
784                                     current_blob.owner_list = cp.owner_list;
785                                 }
786                             }
787                         });
788     
789                         current_blob.barcode = current_blob.copy_count;
790                         current_blob.call_number = { label : current_blob.cn_count };
791                         cn_list.push(current_blob);
792                         new_list = cn_list;
793     
794                     }
795                 }
796
797                 service.copies = new_list;
798                 service.ongoing = false;
799             },
800
801             null, // error
802
803             // notify reads the stream of copies, one at a time.
804             function(cn) {
805
806                 var copies = cn.copies();
807                 cn.copies([]);
808
809                 angular.forEach(copies, function (cp) {
810                     cp.call_number(cn);
811                 });
812
813                 var flat = egCore.idl.toHash(copies);
814                 var owner = egCore.org.get(flat[0].call_number.owning_lib);
815
816                 var owner_name_list = [];
817                 while (owner.parent_ou()) { // we're going to skip the top of the tree...
818                     owner_name_list.unshift(owner.name());
819                     owner = egCore.org.get(owner.parent_ou());
820                 }
821
822                 angular.forEach(flat, function (cp) {
823                     cp.owner_list = owner_name_list;
824                     cp.id_list = [cp.id];
825                 });
826
827                 service.copies = service.copies.concat(flat);
828
829                 if (empty && flat.length == 0) {
830                     service.copies.push({
831                         owner_list : owner_name_list,
832                         call_number: egCore.idl.toHash(cn)
833                     });
834                 }
835
836                 return cn;
837             }
838         );
839     }
840
841     return service;
842 }])
843
844