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import {Component, Input, ViewChild, Output, EventEmitter} from '@angular/core';
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import {Observable} from 'rxjs/Observable';
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import {Location} from '@angular/common';
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import {Filter, Value,AdvancedField} from '../searchUtils/searchHelperClasses.class';
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import {SearchResult} from '../../utils/entities/searchResult';
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import {SearchFields} from '../../utils/properties/searchFields';
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import {SearchUtilsClass} from './searchUtils.class';
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import {ModalLoading} from '../../utils/modal/loading.component';
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import {StringUtils, Dates} from '../../utils/string-utils.class';
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import { Meta} from '../../../angular2-meta';
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@Component({
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selector: 'advanced-search-page',
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template: `
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<div class="uk-margin-top">
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<div class="page-header">
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<h1>{{pageTitle}}</h1>
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</div>
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<div>
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<a *ngIf = "simpleSearchLink && simpleSearchLink.length > 0" routerLinkActive="router-link-active" [routerLink]=simpleSearchLink class="uk-float-right" >Simple search <span uk-icon="icon: chevron-right"></span></a>
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<advanced-search-form
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[entityType] = "entityType"
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[(fieldIds)]="fieldIds"
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[(fieldIdsMap)]="fieldIdsMap"
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[(selectedFields)]="selectedFields"
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(queryChange)="queryChanged($event)">
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</advanced-search-form>
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<search-paging [type]="type" [(searchUtils)] = "searchUtils" [(results)] = "results" [(baseUrl)] = "searchUtils.baseUrl" [(parameterNames)] = "parameterNames" [(parameterValues)] = "parameterValues" ></search-paging>
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<search-download [type]="csvPath" [csvParams]="csvParams" [totalResults]="searchUtils.totalResults" ></search-download>
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<div>
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<search-result [results]="results"
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[status]=searchUtils.status
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[type]="entityType" [urlParam]="urlParam">
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</search-result>
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</div>
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</div>
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</div>
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<modal-loading [message]= "'Loading results...'"></modal-loading>
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`
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})
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export class AdvancedSearchPageComponent {
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@Input() pageTitle = "";
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@Input() results = [];
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@Input() type;
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@Input() entityType;
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@Input() searchUtils:SearchUtilsClass = new SearchUtilsClass();
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@Input() fieldIds: string[];
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@Input() fieldIdsMap;//:{ [key:string]:{ name:string, operator:string, type:string, indexField:string, equalityOperator:string }} ;
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@Input() selectedFields:AdvancedField[];
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@Input() simpleSearchUrl: string;
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@ViewChild (ModalLoading) loading : ModalLoading ;
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@Input() csvParams: string;
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@Input() csvPath: string;
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@Input() simpleSearchLink: string = "";
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public parameterNames:string[] =[];
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public parameterValues:string[] =[];
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public urlParam: string;
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public baseURLWithParameters:string = '';
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@Output() queryChange = new EventEmitter();
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constructor (private location: Location, private _meta: Meta) {
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}
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ngOnInit() {
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this.updateTitle("Advanced search "+this.pageTitle);
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this.updateDescription("Openaire, search, repositories, open access, type, data provider, funder, project, "+ this.pageTitle);
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this.searchUtils.baseUrl = "/" + this.searchUtils.baseUrl;
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this.updateBaseUrlWithParameters();
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this.defineUrlParam();
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}
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updateDescription(description:string){
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this._meta.updateMeta("description", description);
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this._meta.updateMeta("og:description", description);
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}
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updateTitle(title:string){
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var _suffix ="| OpenAIRE";
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var _title = ((title.length> 50 ) ?title.substring(0,50):title) + _suffix;
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this._meta.setTitle(_title );
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this._meta.updateMeta("og:title",_title);
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}
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private defineUrlParam() {
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if(this.entityType == "publication") {
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this.urlParam = "articleId";
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} else if(this.entityType == "dataset") {
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this.urlParam = "datasetId";
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} else if(this.entityType == "project") {
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this.urlParam = "projectId";
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} else if(this.entityType == "organization") {
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this.urlParam = "organizationId";
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} else if(this.entityType == "person") {
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this.urlParam = "personId";
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} else {
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this.urlParam = "datasourceId";
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}
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}
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public getSelectedFiltersFromUrl(params){
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for(var i=0; i< this.fieldIds.length ; i++){
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var fieldId = this.fieldIds[i];
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var fieldparam = (this.fieldIdsMap[fieldId])?this.fieldIdsMap[fieldId].param:"";
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if(!this.fieldIdsMap[fieldId]){
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console.error("Field: "+fieldId +" not found in fieldIds map");
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}
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var operatorId = this.getOperatorParameter(fieldparam);
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if(params[fieldparam] != undefined && params[operatorId] != undefined) {
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var values:string [] = StringUtils.URIDecode(params[fieldparam]).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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var operators:string [] = (StringUtils.URIDecode(params[operatorId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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if(values.length == operators.length){
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for(var j=0; j< values.length ; j++){
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if(this.fieldIdsMap[fieldId].type == "date"){
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var value:string =StringUtils.unquote(values[j]);
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var validDates:boolean = true;
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var dateField:AdvancedField = new AdvancedField(fieldId,fieldparam,this.fieldIdsMap[fieldId].name,this.fieldIdsMap[fieldId].type,value,operators[j]) ;
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if(value.indexOf("range") != -1){
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dateField.dateValue.type="range";
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if(value.length < 26 ){
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validDates =false;
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}else{
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if(!Dates.isValidDate(value.substring(5,15)) || !Dates.isValidDate(value.substring(16,26))){
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validDates =false;
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}else {
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dateField.dateValue.from = Dates.getDateFromString(value.substring(5,15));
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dateField.dateValue.to = Dates.getDateFromString(value.substring(16,26));
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}
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}
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// "rangeYYYY-MM-DD:YYYY-MM-DD"
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}else{
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dateField.dateValue.setDatesByType(value);
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}
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if(validDates){
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this.selectedFields.push(dateField);
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}
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}else{
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this.selectedFields.push(new AdvancedField(fieldId,fieldparam,this.fieldIdsMap[fieldId].name,this.fieldIdsMap[fieldId].type,StringUtils.unquote(values[j]),operators[j]) );
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}
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}
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}
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}
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}
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if(this.selectedFields.length == 0){
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this.selectedFields.push(new AdvancedField(this.fieldIds[0],fieldparam,this.fieldIdsMap[this.fieldIds[0]].name,this.fieldIdsMap[this.fieldIds[0]].type,"","and"));
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}
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}
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private createUrlParameters(includePage:boolean){
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var params="";
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this.parameterNames.splice(0,this.parameterNames.length);
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this.parameterValues.splice(0,this.parameterValues.length);
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var fields: { [key:string]:{ values:string[], operators:string[] }}={};
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for(var i = 0; i< this.selectedFields.length; i++){
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if(this.fieldIdsMap[this.selectedFields[i].id] != undefined && (this.selectedFields[i].value.length > 0 || this.selectedFields[i].type == "date" )){
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if(!fields[this.selectedFields[i].id]){
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fields[this.selectedFields[i].id] = {values:[], operators:[]};
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fields[this.selectedFields[i].id].values =[];
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fields[this.selectedFields[i].id].operators =[];
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}
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if(this.selectedFields[i].type == "date"){
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if(this.selectedFields[i].dateValue.type == "range"){
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fields[this.selectedFields[i].id].values.push(StringUtils.quote(StringUtils.URIEncode("range"+Dates.getDateToString(this.selectedFields[i].dateValue.from)+":"+Dates.getDateToString(this.selectedFields[i].dateValue.to))));
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}else{
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fields[this.selectedFields[i].id].values.push(StringUtils.quote(StringUtils.URIEncode(this.selectedFields[i].dateValue.type)));
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}
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}else{
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fields[this.selectedFields[i].id].values.push(StringUtils.quote(StringUtils.URIEncode(this.selectedFields[i].value)));
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}
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fields[this.selectedFields[i].id].operators.push(this.selectedFields[i].operatorId);
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}
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}
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for(var i = 0; i< this.fieldIds.length; i++){
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if(fields[this.fieldIds[i]]){
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params+="&"+this.fieldIdsMap[this.fieldIds[i]].param+"="+fields[this.fieldIds[i]].values.join()+
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"&"+this.getOperatorParameter(this.fieldIdsMap[this.fieldIds[i]].param)+"="+fields[this.fieldIds[i]].operators.join()
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this.parameterNames.push(this.fieldIdsMap[this.fieldIds[i]].param);
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this.parameterValues.push(fields[this.fieldIds[i]].values.join());
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this.parameterNames.push(this.getOperatorParameter(this.fieldIdsMap[this.fieldIds[i]].param));
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this.parameterValues.push(fields[this.fieldIds[i]].operators.join());
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}
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}
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if(includePage && this.searchUtils.page != 1){
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params += "&page="+this.searchUtils.page;
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}
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return '?'+params;
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}
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public createQueryParameters(){
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var params="";
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var countParams = 0;
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for(var i = 0; i< this.selectedFields.length; i++){
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if(this.fieldIdsMap[this.selectedFields[i].id] != undefined && (this.selectedFields[i].value != "" ||this.selectedFields[i].type == "date")){
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console.log("createQueryParameters::"+this.selectedFields[i].type);
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if(this.selectedFields[i].type == "date"){
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if(this.selectedFields[i].dateValue.type != "any"){
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params += (countParams == 0 ? "" : this.selectedFields[i].operatorId) + " " + this.selectedFields[i].id + this.fieldIdsMap[this.selectedFields[i].id].equalityOperator+ '"' + StringUtils.URIEncode(Dates.getDateToString(this.selectedFields[i].dateValue.from)) + " "
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+ StringUtils.URIEncode(Dates.getDateToString(this.selectedFields[i].dateValue.to)) + '"' + " ";
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}
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}else{
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if(this.selectedFields[i].id == "q"){
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var op = "";
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// if()
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params += (countParams == 0 ? "" : this.selectedFields[i].operatorId) + " " + '"' + StringUtils.URIEncode(this.selectedFields[i].value) + '"' + " ";
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}else if(countParams == 0 && this.selectedFields[i].operatorId == "not"){
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params += " "+ this.selectedFields[i].id + " <> "+'"' + StringUtils.URIEncode(this.selectedFields[i].value) +'"' + " ";
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}else{
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params += (countParams == 0 ? "" : this.selectedFields[i].operatorId + " " ) + this.selectedFields[i].id + this.fieldIdsMap[this.selectedFields[i].id].equalityOperator+'"' + encodeURIComponent(this.selectedFields[i].value) +'"' + " ";
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}
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}
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countParams++;
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}
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}
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return params;
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}
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clearFilters(){
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}
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goTo(page:number = 1){
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this.searchUtils.page = page;
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var urlParameters = this.createUrlParameters(true);
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var queryParameters = this.createQueryParameters();
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this.location.go(location.pathname,urlParameters);
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this.queryChange.emit({
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value: queryParameters
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});
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}
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queryChanged($event) {
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this.goTo(1);
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}
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pageChanged($event) {
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this.searchUtils.page = +$event.value;
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this.goTo(this.searchUtils.page);
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}
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/*
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* Update the url with proper parameters. This is used as base url in Paging Component
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*/
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public updateBaseUrlWithParameters(){
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this.baseURLWithParameters = this.searchUtils.baseUrl + this.createUrlParameters(false);
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}
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getOperatorParameter(parameter:string):string{
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if(parameter.length > 2){
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return parameter.substring(0,2);
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}else if(parameter == "q"){
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return "op";
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}else{
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return parameter+"Op";
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}
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}
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// for loading
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public openLoading(){
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this.loading.open();
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}
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public closeLoading(){
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this.loading.close();
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}
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}
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