argos/dmp-frontend/src/app/core/services/semantic/semantics.service.ts

52 lines
2.3 KiB
TypeScript

import { HttpClient, HttpHeaders, HttpResponse } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { MultipleAutoCompleteConfiguration } from '@app/library/auto-complete/multiple/multiple-auto-complete-configuration';
import { FilterService } from '@common/modules/text-filter/filter-service';
import { Observable, throwError } from 'rxjs';
import { catchError, map } from 'rxjs/operators';
import { ConfigurationService } from '../configuration/configuration.service';
import { BaseHttpV2Service } from '../http/base-http-v2.service';
import { SemanticsLookup } from '@app/core/query/semantic.lookup';
import { SingleAutoCompleteConfiguration } from '@app/library/auto-complete/single/single-auto-complete-configuration';
@Injectable()
export class SemanticsService {
private headers = new HttpHeaders();
constructor(private http: BaseHttpV2Service, private httpClient: HttpClient, private configurationService: ConfigurationService, private filterService: FilterService) {
}
private get apiBase(): string { return `${this.configurationService.server}semantics`; }
searchSemantics(q: SemanticsLookup ): Observable<String[]> {
const url = `${this.apiBase}`;
return this.http.post<String[]>(url, q).pipe(catchError((error: any) => throwError(error)));
}
// Autocomplete
singleAutocompleteConfiguration: SingleAutoCompleteConfiguration = {
initialItems: (data?: any) => this.searchSemantics(this.buildSemanticsAutocompleteLookup()).pipe(map(x => x)),
filterFn: (searchQuery: string, data?: any) => this.searchSemantics(this.buildSemanticsAutocompleteLookup(searchQuery)).pipe(map(x => x)),
displayFn: (item) => item,
titleFn: (item) => item,
valueAssign: (item) => item,
};
multipleAutocompleteConfiguration: MultipleAutoCompleteConfiguration = {
initialItems: (data?: any) => this.searchSemantics(this.buildSemanticsAutocompleteLookup()).pipe(map(x => x)),
filterFn: (searchQuery: string, data?: any) => this.searchSemantics(this.buildSemanticsAutocompleteLookup(searchQuery)).pipe(map(x => x)),
displayFn: (item) => item,
titleFn: (item) => item,
}
private buildSemanticsAutocompleteLookup(like?: string ): SemanticsLookup {
const lookup: SemanticsLookup = new SemanticsLookup();
if (like) { lookup.like = this.filterService.transformLike(like); }
return lookup;
}
}