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import {ChangeDetectorRef, Component, OnDestroy, OnInit} from '@angular/core';
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import {ActivatedRoute, Router} from '@angular/router';
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import {SearchCommunityDataprovidersService} from '../../../openaireLibrary/connect/contentProviders/searchDataproviders.service';
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import {EnvProperties} from '../../../openaireLibrary/utils/properties/env-properties';
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import {
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Constraint,
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ContentProvider,
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Criteria,
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SelectionCriteria
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} from '../../../openaireLibrary/utils/entities/contentProvider';
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import {AbstractControl, FormArray, FormBuilder, FormGroup, Validators} from '@angular/forms';
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import {ManageCommunityContentProvidersService} from '../../../services/manageContentProviders.service';
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import {Title} from '@angular/platform-browser';
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import {properties} from "../../../../environments/environment";
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import {Subscription} from "rxjs";
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import {Option} from "../../../openaireLibrary/sharedComponents/input/input.component";
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import {MatSlideToggleChange} from "@angular/material/slide-toggle";
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import {HelperFunctions} from "../../../openaireLibrary/utils/HelperFunctions.class";
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import {CriteriaUtils} from "../criteria-utils";
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declare var UIkit;
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@Component({
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selector: 'criteria',
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templateUrl: './criteria.component.html',
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styleUrls: ['criteria.component.css'],
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})
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export class CriteriaComponent implements OnInit, OnDestroy {
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public community: string = '';
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public openaireId: string = '';
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public dataProvider: ContentProvider = null;
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public selectionCriteria: FormGroup;
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public properties: EnvProperties = properties;
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public fields: Option[] = CriteriaUtils.fields;
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public verbs: Option[] = CriteriaUtils.verbs;
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public loading = true;
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/** Paging */
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public page: number = 1;
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public pageSize: number = 5;
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private subs: any[] = [];
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constructor(private route: ActivatedRoute, private router: Router,
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private title: Title,
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private searchCommunityDataprovidersService: SearchCommunityDataprovidersService,
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private manageCommunityContentProvidersService: ManageCommunityContentProvidersService,
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private cdr: ChangeDetectorRef,
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private fb: FormBuilder) {
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}
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ngOnInit() {
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this.subs.push(this.route.params.subscribe(params => {
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this.community = params['community'];
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this.route.params.subscribe(params => {
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if (params['provider']) {
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this.openaireId = params['provider'];
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}
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this.searchCommunityDataprovidersService.searchDataproviders(this.properties, this.community).subscribe(dataProviders => {
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dataProviders.forEach(dataProvider => {
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if (dataProvider.openaireId == this.openaireId) {
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this.dataProvider = dataProvider;
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this.title.setTitle(this.community.toUpperCase() + ' | Criteria for ' + this.dataProvider.officialname);
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}
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});
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if (!this.dataProvider) {
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this.navigateToError();
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} else {
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this.reset();
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this.loading = false;
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}
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});
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});
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}));
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}
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public ngOnDestroy() {
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this.subs.forEach(subscription => {
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if (subscription instanceof Subscription) {
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subscription.unsubscribe();
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}
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})
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}
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private navigateToError() {
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this.router.navigate(['/error'], {queryParams: {'page': this.properties.baseLink + this.router.url}});
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}
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reset() {
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this.page = 1;
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if (this.dataProvider) {
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this.selectionCriteria = this.fb.group({
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criteria: this.fb.array([])
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});
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let selectionCriteria = this.dataProvider.selectioncriteria;
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if (selectionCriteria) {
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selectionCriteria.criteria.forEach(criterion => {
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let constraintArray: FormArray = this.fb.array([]);
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criterion.constraint.forEach(constraint => {
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constraintArray.push(this.fb.group({
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field: this.fb.control(constraint.field, Validators.required),
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verb: this.fb.control(this.removeSuffix(constraint.verb), Validators.required),
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value: this.fb.control(constraint.value, Validators.required),
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verb_suffix: this.fb.control(this.getSuffix(constraint.verb))
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}));
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});
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this.criteria.push(this.fb.group({
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constraint: constraintArray
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}));
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});
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}
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}
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}
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get currentPage(): AbstractControl[] {
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if (this.criteria) {
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return this.criteria.controls.slice((this.page - 1) * this.pageSize, this.page * this.pageSize);
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} else {
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return [];
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}
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}
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getIndex(index: number): number {
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return (this.page - 1)*this.pageSize + index;
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}
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public get criteria(): FormArray {
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return this.selectionCriteria.get('criteria') as FormArray;
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}
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public getConstraint(i: number): FormArray {
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return this.criteria.at(i).get('constraint') as FormArray;
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}
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public addCriteria() {
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let constraintArray: FormArray = this.fb.array([
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this.fb.group({
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field: this.fb.control('', Validators.required),
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verb: this.fb.control('contains', Validators.required),
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value: this.fb.control('', Validators.required),
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verb_suffix: this.fb.control('_caseinsensitive')
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})
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]);
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this.criteria.push(this.fb.group({
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constraint: constraintArray
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}));
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this.page = Math.ceil(this.criteria.length/this.pageSize);
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this.cdr.detectChanges();
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}
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public addConstraint(i: number) {
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let constraintArray: FormArray = this.criteria.at(i).get('constraint') as FormArray;
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constraintArray.push(this.fb.group({
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field: this.fb.control('', Validators.required),
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verb: this.fb.control('contains', Validators.required),
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value: this.fb.control('', Validators.required),
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verb_suffix: this.fb.control('_caseinsensitive')
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}));
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this.cdr.detectChanges();
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}
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public removeConstraint(i: number, j: number) {
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let constraintArray: FormArray = this.criteria.at(i).get('constraint') as FormArray;
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constraintArray.removeAt(j);
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if (constraintArray.length === 0) {
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this.criteria.removeAt(i);
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if (this.currentPage.length === 0) {
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this.page = 1;
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}
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}
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this.cdr.detectChanges();
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}
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get dataProviderCriteria(): Criteria[] {
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return (this.dataProvider && this.dataProvider.selectioncriteria && this.dataProvider.selectioncriteria.criteria)?this.dataProvider.selectioncriteria.criteria:[];
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}
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get dirty() {
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if(!this.dataProvider || !this.criteria) {
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return false;
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} else if(this.criteria.length !== this.dataProviderCriteria.length) {
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return true;
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} else {
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return this.dataProviderCriteria.filter((criterion, i) => {
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if(criterion.constraint.length !== this.getConstraint(i).length) {
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return true;
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} else {
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let temp = this.getConstraint(i).value;
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return criterion.constraint.filter((constraint, j) => {
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return constraint.field !== temp[j].field || constraint.verb !== (temp[j].verb + temp[j].verb_suffix) || constraint.value !== temp[j].value;
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}).length > 0;
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}
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}).length > 0;
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}
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}
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save() {
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if (this.selectionCriteria.valid) {
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this.loading = true;
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this.dataProvider.selectioncriteria = this.parseForm(this.selectionCriteria.value);
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this.manageCommunityContentProvidersService.saveContentProvider(this.properties, this.dataProvider).subscribe(() => {
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this.reset();
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this.loading = false;
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UIkit.notification('Filters has been <b>successfully updated</b>', {
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status: 'success',
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timeout: 6000,
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pos: 'bottom-right'
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});
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}, error => {
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UIkit.notification('An error has been occurred. Try again later!', {
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status: 'danger',
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timeout: 6000,
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pos: 'bottom-right'
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});
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});
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} else {
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UIkit.notification('An error has been occurred. Try again later!', {
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status: 'danger',
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timeout: 6000,
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pos: 'bottom-right'
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});
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}
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}
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caseSensitive(event: MatSlideToggleChange, constraint: AbstractControl) {
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if(event.checked) {
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constraint.get('verb_suffix').setValue('');
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} else {
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constraint.get('verb_suffix').setValue('_caseinsensitive');
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}
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}
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removeSuffix(verb: string) {
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return verb.replace('_caseinsensitive', '');
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}
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getSuffix(verb: string) {
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if(verb.includes('_caseinsensitive')) {
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return '_caseinsensitive';
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} else {
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return '';
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}
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}
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parseForm(formValue): SelectionCriteria {
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let value = HelperFunctions.copy(formValue);
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let selectionCriteria: SelectionCriteria = new SelectionCriteria();
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selectionCriteria.criteria = [];
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value.criteria.forEach(criterion => {
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let criteria = new Criteria();
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criteria.constraint = [];
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criterion.constraint.forEach(constraint => {
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criteria.constraint.push(new Constraint(constraint.verb + constraint.verb_suffix, constraint.field, constraint.value));
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});
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selectionCriteria.criteria.push(criteria);
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})
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return selectionCriteria;
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}
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}
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