1
|
import {Component, Input, ViewChild, Output, EventEmitter,ElementRef} from '@angular/core';
|
2
|
import {Observable} from 'rxjs/Observable';
|
3
|
import {Location} from '@angular/common';
|
4
|
import { Router} from '@angular/router';
|
5
|
|
6
|
import { Filter, Value} from './searchHelperClasses.class';
|
7
|
import {SearchResult} from '../../utils/entities/searchResult';
|
8
|
import {SearchFields} from '../../utils/properties/searchFields';
|
9
|
import {SearchUtilsClass} from './searchUtils.class';
|
10
|
import {DOI, StringUtils} from '../../utils/string-utils.class';
|
11
|
import {ModalLoading} from '../../utils/modal/loading.component';
|
12
|
import { Meta} from '../../../angular2-meta';
|
13
|
import{SearchFilterComponent} from './searchFilter.component';
|
14
|
import {SearchFilterModalComponent} from './searchFilterModal.component';
|
15
|
import {OpenaireProperties} from '../../utils/properties/openaireProperties';
|
16
|
import { ErrorCodes} from '../../utils/properties/openaireProperties';
|
17
|
import {PiwikService} from '../../utils/piwik/piwik.service';
|
18
|
|
19
|
|
20
|
@Component({
|
21
|
selector: 'search-page',
|
22
|
templateUrl: 'searchPage.component.html'
|
23
|
|
24
|
})
|
25
|
export class SearchPageComponent {
|
26
|
@Input() pageTitle = "";
|
27
|
@Input() formPlaceholderText = "Type Keywords...";
|
28
|
@Input() results = [];
|
29
|
@Input() filters = [];
|
30
|
@Input() type:string = "";
|
31
|
@Input() entityType: string = "";
|
32
|
@Input() searchUtils:SearchUtilsClass = new SearchUtilsClass();
|
33
|
@Output() queryChange = new EventEmitter();
|
34
|
@Input() baseUrl:string = '';
|
35
|
@Input() showResultCount:boolean = true;
|
36
|
@Input() showRefine:boolean = true;
|
37
|
@Input() refineFields = [];
|
38
|
@Input() csvParams: string;
|
39
|
@Input() csvPath: string;
|
40
|
@Input() advancedSearchLink: string = "";
|
41
|
@Input() tableViewLink: string;
|
42
|
@Input() disableForms: boolean = false;
|
43
|
@Input() loadPaging: boolean = true;
|
44
|
@Input() oldTotalResults: number = 0;
|
45
|
@Input() tableView: boolean = false;
|
46
|
@Input() searchFormClass: string = "searchForm";
|
47
|
@ViewChild (ModalLoading) loading : ModalLoading ;
|
48
|
public fieldIdsMap;//: { [key:string]:{ name:string, operator:string, type:string, indexField:string, equalityOperator:string }};
|
49
|
private searchFieldsHelper:SearchFields = new SearchFields();
|
50
|
private queryParameters: Map<string, string> = new Map<string,string>();
|
51
|
private baseURLWithParameters:string = '';
|
52
|
private sub: any; piwiksub: any;
|
53
|
public countFilters= 0;
|
54
|
public parameterNames:string[] =[];
|
55
|
public parameterValues:string[] =[];
|
56
|
public showUnknownFilters:boolean = false; // when a filter exists in query but has no results, so no filters returned from the query
|
57
|
//@ViewChild (SearchFilterModalComponent) searchFilterModal : SearchFilterModalComponent ;
|
58
|
public currentFilter: Filter;
|
59
|
|
60
|
constructor (private location: Location , private _meta: Meta,private element: ElementRef,private _piwikService:PiwikService, private router: Router) {
|
61
|
}
|
62
|
|
63
|
ngOnInit() {
|
64
|
if (typeof document !== 'undefined') {
|
65
|
this.element.nativeElement.scrollIntoView();
|
66
|
}
|
67
|
this.updateBaseUrlWithParameters(this.filters);
|
68
|
this.updateTitle(this.pageTitle);
|
69
|
this.updateDescription("Openaire, search, repositories, open access, type, content provider, funder, project, " + this.type + "," +this.pageTitle);
|
70
|
if(typeof window !== 'undefined') {
|
71
|
this.updateUrl(OpenaireProperties.getBaseLink()+location.pathname);
|
72
|
}
|
73
|
if(typeof document !== 'undefined' && OpenaireProperties.isPiwikTrackEnabled()){
|
74
|
this.piwiksub = this._piwikService.trackView(this.pageTitle).subscribe();
|
75
|
}
|
76
|
}
|
77
|
ngAfterViewChecked(){
|
78
|
|
79
|
}
|
80
|
ngOnDestroy() {
|
81
|
if(this.piwiksub){
|
82
|
this.piwiksub.unsubscribe();
|
83
|
}
|
84
|
}
|
85
|
toggleModal($event) {
|
86
|
this.currentFilter = $event.value;
|
87
|
//this.searchFilterModal.open();
|
88
|
}
|
89
|
|
90
|
updateDescription(description:string){
|
91
|
this._meta.updateMeta("description", description);
|
92
|
this._meta.updateProperty("og:description", description);
|
93
|
}
|
94
|
updateTitle(title:string){
|
95
|
var _prefix ="OpenAIRE | ";
|
96
|
var _title = _prefix + ((title.length> 50 ) ?title.substring(0,50):title);
|
97
|
this._meta.setTitle(_title );
|
98
|
this._meta.updateProperty("og:title",_title);
|
99
|
}
|
100
|
updateUrl(url:string){
|
101
|
this._meta.updateProperty("og:url", url);
|
102
|
}
|
103
|
|
104
|
public getQueryParametersFromUrl(params){
|
105
|
// var parameters = "";
|
106
|
var allFqs = "";
|
107
|
|
108
|
this.queryParameters = new Map<string,string>();
|
109
|
|
110
|
for(var i=0; i< this.refineFields.length ; i++){
|
111
|
var filterId = this.refineFields[i];
|
112
|
|
113
|
if(params[filterId] != undefined) {
|
114
|
this.queryParameters[filterId]=StringUtils.URIDecode(params[filterId]);
|
115
|
|
116
|
let values = (StringUtils.URIDecode(this.queryParameters[filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
|
117
|
var countvalues = 0;
|
118
|
var fq = "";
|
119
|
for(let value of values) {
|
120
|
countvalues++;
|
121
|
var paramId = this.fieldIdsMap[filterId].param;
|
122
|
// parameters+='&' + paramId+ '='+ value;//+"&" + this.fieldIdsMap[paramId].operator + "="+((countvalues == 1)?"and":"or");
|
123
|
fq+=(fq.length > 0 ? " " + "or" + " ":"" ) + filterId +" exact " +StringUtils.URIEncode(value);
|
124
|
}
|
125
|
if(countvalues > 0){
|
126
|
fq="&fq="+fq;
|
127
|
}
|
128
|
allFqs += fq;
|
129
|
}
|
130
|
}
|
131
|
var keyword = params['keyword'];
|
132
|
var doiQuery = "";
|
133
|
var keywordQuery = "";
|
134
|
if((keyword && keyword.length > 0)){
|
135
|
if((this.type == 'publications' ||this.type == 'research data')){
|
136
|
var DOIs:string[] = DOI.getDOIsFromString(keyword);
|
137
|
var doisParams = "";
|
138
|
|
139
|
for(var i =0 ;i < DOIs.length; i++){
|
140
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
141
|
}
|
142
|
if(doisParams.length > 0){
|
143
|
doiQuery += "&"+doisParams;
|
144
|
}else {
|
145
|
keywordQuery += "&q="+StringUtils.URIEncode(keyword);
|
146
|
}
|
147
|
}else{
|
148
|
keywordQuery += "&q="+StringUtils.URIEncode(keyword);
|
149
|
|
150
|
}
|
151
|
}
|
152
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
153
|
}
|
154
|
public getIndexQueryParametersFromUrl(params){
|
155
|
// var parameters = "";
|
156
|
var allFqs = "";
|
157
|
|
158
|
for(var i=0; i< this.refineFields.length ; i++){
|
159
|
var filterId = this.refineFields[i];
|
160
|
var fq = "";
|
161
|
if(params[filterId] != undefined) {
|
162
|
this.queryParameters[filterId]=decodeURIComponent(params[filterId]);
|
163
|
let values = (decodeURIComponent(this.queryParameters[filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
|
164
|
var countvalues = 0
|
165
|
for(let value of values) {
|
166
|
countvalues++;
|
167
|
// parameters+= ((countvalues == 1)?" and (":" or ")+ filterId+ '='+ value;
|
168
|
fq+=(fq.length > 0 ? " " + "or" + " ":"" ) + filterId + " exact " + value;//StringUtils.quote(value);
|
169
|
}
|
170
|
// parameters+= " ) ";
|
171
|
if(countvalues > 0){
|
172
|
fq="&fq="+fq;
|
173
|
}
|
174
|
allFqs += fq;
|
175
|
}
|
176
|
|
177
|
}
|
178
|
var keyword = params['keyword'];
|
179
|
var doiQuery = "";
|
180
|
var keywordQuery = "";
|
181
|
if((keyword && keyword.length > 0)){
|
182
|
if((this.type == 'publications' ||this.type == 'research data')){
|
183
|
var DOIs:string[] = DOI.getDOIsFromString(keyword);
|
184
|
var doisParams = "";
|
185
|
|
186
|
for(var i =0 ;i < DOIs.length; i++){
|
187
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
188
|
}
|
189
|
if(doisParams.length > 0){
|
190
|
doiQuery += "&"+doisParams;
|
191
|
}
|
192
|
}else{
|
193
|
keywordQuery += "and ("+StringUtils.quote(StringUtils.URIEncode(keyword)) +")";
|
194
|
|
195
|
}
|
196
|
}
|
197
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
198
|
|
199
|
}
|
200
|
/*
|
201
|
* Mark as check the new filters that are selected, when you get them from search
|
202
|
*/
|
203
|
public checkSelectedFilters(filters:Filter[]){
|
204
|
this.filters = filters;
|
205
|
for(var i=0; i< filters.length ; i++){
|
206
|
var filter:Filter = filters[i];
|
207
|
filter.countSelectedValues = 0;
|
208
|
if(this.queryParameters[filter.filterId] != undefined) {
|
209
|
let values = (decodeURIComponent(this.queryParameters[filter.filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
|
210
|
for(let filterValue of filter.values) {
|
211
|
if(values.indexOf(StringUtils.quote(filterValue.id)) > -1) {
|
212
|
filterValue.selected = true;
|
213
|
filter.countSelectedValues++;
|
214
|
}else{
|
215
|
filterValue.selected = false;
|
216
|
|
217
|
}
|
218
|
}
|
219
|
}else{
|
220
|
for(let filterValue of filter.values) {
|
221
|
filterValue.selected = false;
|
222
|
}
|
223
|
}
|
224
|
}
|
225
|
|
226
|
return filters;
|
227
|
}
|
228
|
/*
|
229
|
* Update the url with proper parameters. This is used as base url in Paging Component
|
230
|
*/
|
231
|
public updateBaseUrlWithParameters(filters:Filter[]){
|
232
|
this.baseURLWithParameters = this.baseUrl + this.createUrlParameters(filters,false);
|
233
|
|
234
|
}
|
235
|
|
236
|
/*
|
237
|
*
|
238
|
*/
|
239
|
private createUrlParameters(filters:Filter[], includePage:boolean){
|
240
|
var allLimits="";//location.search.slice(1);
|
241
|
this.queryParameters = new Map<string,string>();
|
242
|
this.parameterNames.splice(0,this.parameterNames.length);
|
243
|
this.parameterValues.splice(0,this.parameterValues.length);
|
244
|
|
245
|
for (let filter of filters){
|
246
|
var filterLimits="";
|
247
|
if(filter.countSelectedValues > 0){
|
248
|
for (let value of filter.values){
|
249
|
if(value.selected == true){
|
250
|
filterLimits+=((filterLimits.length == 0)?'':',') +'"'+ StringUtils.URIEncode(value.id)+'"';
|
251
|
}
|
252
|
}
|
253
|
this.queryParameters[filter.filterId]=filterLimits;
|
254
|
if(filterLimits.length > 0){
|
255
|
this.parameterNames.push(filter.filterId);
|
256
|
this.parameterValues.push(filterLimits);
|
257
|
}
|
258
|
allLimits+=(allLimits.length==0?"?":"&")+((filterLimits.length == 0 )?'':filter.filterId + '='+ filterLimits) ;
|
259
|
}
|
260
|
}
|
261
|
if(this.searchUtils.keyword.length > 0 ){
|
262
|
allLimits+=(allLimits.length==0?"?":"&")+'keyword=' + this.searchUtils.keyword;
|
263
|
this.parameterNames.push("keyword");
|
264
|
this.parameterValues.push(this.searchUtils.keyword);
|
265
|
}
|
266
|
if(this.searchUtils.page != 1 && includePage){
|
267
|
allLimits+=((allLimits.length == 0)?'?':'&') + 'page=' + this.searchUtils.page;
|
268
|
}
|
269
|
|
270
|
return allLimits;
|
271
|
}
|
272
|
/*
|
273
|
*
|
274
|
*/
|
275
|
private createSearchQueryParameters(filters:Filter[]){
|
276
|
var allFqs = "";
|
277
|
for (let filter of filters){
|
278
|
if(filter.countSelectedValues > 0){
|
279
|
var fq = "";
|
280
|
var count_selected=0;
|
281
|
for (let value of filter.values){
|
282
|
if(value.selected == true){
|
283
|
count_selected++;
|
284
|
fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + StringUtils.quote(StringUtils.URIEncode(value.id));
|
285
|
}
|
286
|
}
|
287
|
fq="&fq="+fq;
|
288
|
allFqs += fq;
|
289
|
}
|
290
|
}
|
291
|
var doiQuery = "";
|
292
|
var keywordQuery = "";
|
293
|
if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
|
294
|
if((this.type == 'publications' ||this.type == 'research data')){
|
295
|
var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
|
296
|
var doisParams = "";
|
297
|
|
298
|
for(var i =0 ;i < DOIs.length; i++){
|
299
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
300
|
}
|
301
|
if(doisParams.length > 0){
|
302
|
doiQuery += "&"+doisParams;
|
303
|
}else{
|
304
|
keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
|
305
|
}
|
306
|
}else{
|
307
|
keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
|
308
|
}
|
309
|
}
|
310
|
|
311
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
312
|
|
313
|
}
|
314
|
private createIndexQueryParameters(filters:Filter[]){
|
315
|
var allFqs = "";
|
316
|
for (let filter of filters){
|
317
|
if(filter.countSelectedValues > 0){
|
318
|
var count_selected=0;
|
319
|
var fq = "";
|
320
|
for (let value of filter.values){
|
321
|
if(value.selected == true){
|
322
|
count_selected++;
|
323
|
fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + StringUtils.quote(StringUtils.URIEncode(value.id));
|
324
|
}
|
325
|
}
|
326
|
if(count_selected > 0){
|
327
|
fq="&fq="+fq;
|
328
|
allFqs += fq;
|
329
|
}
|
330
|
}
|
331
|
}
|
332
|
var doiQuery = "";
|
333
|
var keywordQuery = "";
|
334
|
if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
|
335
|
if((this.type == 'publications' ||this.type == 'research data')){
|
336
|
var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
|
337
|
var doisParams = "";
|
338
|
for(var i =0 ;i < DOIs.length; i++){
|
339
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
340
|
}
|
341
|
if(doisParams.length > 0){
|
342
|
doiQuery += "&"+doisParams;
|
343
|
}
|
344
|
}else{
|
345
|
keywordQuery += " and ("+StringUtils.quote(StringUtils.URIEncode(this.searchUtils.keyword)) +")"
|
346
|
|
347
|
}
|
348
|
}
|
349
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
350
|
|
351
|
}
|
352
|
public isFiltered(){
|
353
|
var filtered=false;
|
354
|
this.showUnknownFilters = false;
|
355
|
for (let filter of this.filters){
|
356
|
if(filter.countSelectedValues > 0){
|
357
|
filtered = true;
|
358
|
break;
|
359
|
}
|
360
|
}
|
361
|
if(this.searchUtils.keyword.length > 0 ){
|
362
|
filtered = true;
|
363
|
}
|
364
|
var errorCodes:ErrorCodes = new ErrorCodes();
|
365
|
if(this.queryParameters.keys() && this.searchUtils.totalResults == 0 && this.searchUtils.status !=errorCodes.LOADING ){
|
366
|
this.showUnknownFilters = true;
|
367
|
}
|
368
|
return filtered;
|
369
|
}
|
370
|
private clearKeywords(){
|
371
|
if(this.searchUtils.keyword.length > 0 ){
|
372
|
this.searchUtils.keyword ='';
|
373
|
}
|
374
|
this.goTo(1);
|
375
|
}
|
376
|
private clearFilters(){
|
377
|
for (var i =0 ; i < this.filters.length; i++){
|
378
|
for (var j=0; j < this.filters[i].countSelectedValues; j++){
|
379
|
if(this.filters[i].values[j].selected){
|
380
|
this.filters[i].values[j].selected = false;
|
381
|
}
|
382
|
this.filters[i].countSelectedValues = 0;
|
383
|
}
|
384
|
}
|
385
|
this.clearKeywords();
|
386
|
|
387
|
}
|
388
|
private removeFilter(value:Value,filter:Filter){
|
389
|
filter.countSelectedValues--;
|
390
|
if(value.selected == true){
|
391
|
value.selected = false;
|
392
|
}
|
393
|
this.goTo(1);
|
394
|
|
395
|
}
|
396
|
goTo(page:number = 1){
|
397
|
this.searchUtils.page = page;
|
398
|
console.info("searchUtils.page goto = "+this.searchUtils.page);
|
399
|
var urlParameters = this.createUrlParameters(this.filters,true);
|
400
|
console.info("urlParams : "+urlParameters);
|
401
|
this.updateBaseUrlWithParameters(this.filters);
|
402
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
403
|
console.info("queryParams : "+queryParameters);
|
404
|
var indexQuery = this.createIndexQueryParameters(this.filters);
|
405
|
|
406
|
this.location.go(location.pathname,urlParameters);
|
407
|
/* Code For Piwik*/
|
408
|
if (typeof localStorage !== 'undefined') {
|
409
|
console.log("In PreviousRouteRecorder : "+this.router.url );
|
410
|
localStorage.setItem('previousRoute', this.router.url);
|
411
|
}
|
412
|
if(OpenaireProperties.isPiwikTrackEnabled() && (typeof document !== 'undefined')){
|
413
|
this.piwiksub = this._piwikService.trackView(this.pageTitle).subscribe();
|
414
|
}
|
415
|
/* End Piwik Code */
|
416
|
this.queryChange.emit({
|
417
|
value: queryParameters,
|
418
|
index:indexQuery
|
419
|
|
420
|
});
|
421
|
if (typeof document !== 'undefined') {
|
422
|
this.element.nativeElement.scrollIntoView();
|
423
|
}
|
424
|
}
|
425
|
filterChanged($event){
|
426
|
console.info("filter Changed");
|
427
|
this.goTo(1);
|
428
|
}
|
429
|
keywordChanged($event) {
|
430
|
this.searchUtils.keyword = $event.value;
|
431
|
this.goTo(1);
|
432
|
}
|
433
|
|
434
|
/*
|
435
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected filters
|
436
|
*/
|
437
|
public getSelectedFilters():string[] {
|
438
|
var selected:string[] = [];
|
439
|
for(var i=0; i < this.filters.length; i++){
|
440
|
var filter:Filter = this.filters[i];
|
441
|
if(filter.countSelectedValues > 0){
|
442
|
selected.push(filter.filterId);
|
443
|
}
|
444
|
}
|
445
|
return selected;
|
446
|
}
|
447
|
/*
|
448
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
|
449
|
*/
|
450
|
private getSelectedParameters():string[] {
|
451
|
var selected:string[] = [];
|
452
|
var params:string[] = Object.keys(this.queryParameters);
|
453
|
for(var i=0; i < params.length; i++){
|
454
|
if(this.refineFields.indexOf(params[i]) > -1){
|
455
|
selected.push(params[i]);
|
456
|
}
|
457
|
}
|
458
|
return selected;
|
459
|
}
|
460
|
/*
|
461
|
* Get A sub-array of this.refineFields array, which hides hidden fields (e.g Funding level 0,1,2,..), and contains those that depend on another fields (e.g Funding level 0 if Funder is selected )
|
462
|
*/
|
463
|
public getFields():string[] {
|
464
|
var selected_filters:string[] = this.getSelectedFilters();
|
465
|
if(selected_filters.length == 0){
|
466
|
selected_filters = this.getSelectedParameters();
|
467
|
}
|
468
|
var fields:string[] = [];
|
469
|
for(var i =0 ; i < this.refineFields.length;i++){
|
470
|
var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
|
471
|
|
472
|
//if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
|
473
|
if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) || (selected_filters.indexOf(this.refineFields[i]) != -1) ){
|
474
|
fields.push(this.refineFields[i]);
|
475
|
}
|
476
|
}
|
477
|
return fields;
|
478
|
}
|
479
|
/*
|
480
|
* Get a query string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
|
481
|
*/
|
482
|
public getRefineFieldsQuery():string{
|
483
|
|
484
|
var fields:string[] = this.getFields();
|
485
|
var fieldsStr = ""
|
486
|
for(var i =0 ; i < fields.length ;i++){
|
487
|
fieldsStr+="&fields="+fields[i];
|
488
|
}
|
489
|
return "&refine=true"+fieldsStr;
|
490
|
}
|
491
|
|
492
|
// for loading
|
493
|
public openLoading(){
|
494
|
if(this.loading){
|
495
|
this.loading.open();
|
496
|
}
|
497
|
}
|
498
|
public closeLoading(){
|
499
|
if(this.loading){
|
500
|
this.loading.close();
|
501
|
}
|
502
|
}
|
503
|
getSelectedValues(filter):any{
|
504
|
var selected = [];
|
505
|
if(filter.countSelectedValues >0){
|
506
|
for (var i=0; i < filter.values.length; i++){
|
507
|
if(filter.values[i].selected){
|
508
|
selected.push(filter.values[i]);
|
509
|
}
|
510
|
}
|
511
|
}
|
512
|
return selected;
|
513
|
|
514
|
}
|
515
|
}
|