dnet-applications/frontends/dnet-is-application/src/app/dsm/dsm.component.ts

import { Component, Inject, OnInit, ViewChild } from '@angular/core';
import { Page, BrowseTerm, Datasource, KeyValue, DsmConf, ProtocolParam, Api, ApiInsert } from '../common/is.model';
import { ISService } from '../common/is.service';
import { ActivatedRoute, Params } from '@angular/router';
import { MatDialog, MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
import { MatTableDataSource } from '@angular/material/table';
import { MatSort } from '@angular/material/sort';
import { combineLatest } from 'rxjs';
import { Router } from '@angular/router';
import { PageEvent } from '@angular/material/paginator';
import { FormBuilder, FormControl, FormGroup, ValidatorFn, Validators } from '@angular/forms';
import { MatSelectChange } from '@angular/material/select';

@Component({
	selector: 'app-dsm-search',
	templateUrl: './dsm-search.component.html',
	styleUrls: ['./dsm.component.css']
})
export class DsmSearchComponent implements OnInit {
	searchText: string = '';
	browsableFields: KeyValue[] = [];

	constructor(public service: ISService, public route: ActivatedRoute, public router: Router, public dialog: MatDialog) {
	}

	ngOnInit() {
		this.service.dsmBrowsableFields((data: KeyValue[]) => this.browsableFields = data);
	}

	search() {
		this.router.navigate(['/dsm/results/0/50'], {
			queryParams: { value: this.searchText }
		});
	}

	browseField(field: string, label: string) {
		const dialogRef = this.dialog.open(DsmBrowseDialog, {
			data: { field: field, label: label },
			width: '80%'
		});
	}

}

@Component({
	selector: 'app-dsm-results',
	templateUrl: './dsm-results.component.html',
	styleUrls: ['./dsm.component.css']
})
export class DsmResultsComponent implements OnInit {
	filterText: string = '';
	results: Datasource[] = [];
	nResults: number = 0;
	currPage: number = 0;
	nPages: number = 0;
	pageSize: number = 0;
	field?: string;
	value: string = '';

	constructor(public service: ISService, public route: ActivatedRoute, public router: Router, public dialog: MatDialog) {
	}

	ngOnInit(): void {
		combineLatest([this.route.params, this.route.queryParams],
			(params: Params, queryParams: Params) => ({ params, queryParams })
		).subscribe((res: { params: Params; queryParams: Params }) => {
			const { params, queryParams } = res;
			this.currPage = parseInt(params['page']);
			this.pageSize = parseInt(params['size']);
			this.field = queryParams['field'];
			this.value = queryParams['value'];
			this.reload();
		});
	}

	reload() {
		if (this.field) {
			this.service.dsmSearchByField(this.field, this.value, this.currPage, this.pageSize, (page: Page<Datasource>) => {
				this.results = page.content;
				this.nResults = page.totalElements;
				this.nPages = page.totalPages;
			});
		} else {
			this.service.dsmSearch(this.value, this.currPage, this.pageSize, (page: Page<Datasource>) => {
				this.results = page.content;
				this.nResults = page.totalElements;
				this.nPages = page.totalPages;
			});
		}
	}

	changePage(event: PageEvent) {
		let path = '/dsm/results/' + event.pageIndex + '/' + event.pageSize;
		let qp = this.field ?
			{ field: this.field, value: this.value } :
			{ value: this.value };

		this.router.navigate([path], {
			queryParams: qp
		});
	}

	openAddApiDialog(dsId: string, dsName: string) {
		const dialogRef = this.dialog.open(DsmAddApiDialog, {
			data: { dsId: dsId, dsName: dsName },
			width: '80%'
		});

		dialogRef.afterClosed().subscribe(result => {
			if (result) this.reload();
		});
	}

}

@Component({
	selector: 'app-dsm-api',
	templateUrl: './dsm-api.component.html',
	styleUrls: ['./dsm.component.css']
})
export class DsmApiComponent {

}

@Component({
	selector: 'dsm-browse-dialog',
	templateUrl: 'dsm-browse-dialog.html',
	styleUrls: ['./dsm.component.css']
})
export class DsmBrowseDialog implements OnInit {

	datasource: MatTableDataSource<BrowseTerm> = new MatTableDataSource<BrowseTerm>([]);
	colums: string[] = ['name', 'total'];

	@ViewChild(MatSort) sort: MatSort | undefined

	constructor(public dialogRef: MatDialogRef<DsmBrowseDialog>, @Inject(MAT_DIALOG_DATA) public data: any, public service: ISService) {
	}

	ngOnInit(): void {
		this.service.dsmBrowse(this.data.field, (res: BrowseTerm[]) => this.datasource.data = res);
	}

	ngAfterViewInit() {
		if (this.sort) this.datasource.sort = this.sort;
	}

	applyFilter(event: Event) {
		const filterValue = (event.target as HTMLInputElement).value.trim().toLowerCase();
		this.datasource.filter = filterValue;
	}

	onNoClick(): void {
		this.dialogRef.close();
	}
}


@Component({
	selector: 'dsm-add-api-dialog',
	templateUrl: './dsm-add-api.dialog.html',
	styleUrls: ['./dsm.component.css']
})
export class DsmAddApiDialog {
	selectedProtocol: string = '';

	apiPrefix: string = '';
	paramPrefix: string = '__PARAM_';

	protocols: string[] = [];
	compatibilityLevels: string[] = [];
	contentDescTypes: string[] = [];

	protocolsMap: any = {};
	selProtParams: ProtocolParam[] = [];

	addApiForm: FormGroup = new FormGroup({
		apiIdSuffix: new FormControl('', [Validators.required]),
		compatibility: new FormControl('', [Validators.required]),
		contentdescription: new FormControl('', [Validators.required]),
		protocol: new FormControl('', [Validators.required]),
		baseurl: new FormControl('', [Validators.required, Validators.pattern('^(http|https|ftp|file|sftp|jar|mongodb):\/\/')]),
		metadataIdentifierPath: new FormControl('', [Validators.required])
	});

	constructor(public dialogRef: MatDialogRef<DsmAddApiDialog>, @Inject(MAT_DIALOG_DATA) public data: any, public service: ISService) {
		this.apiPrefix = 'api_________::' + data.dsId + '::';
		this.service.dsmConf((conf: DsmConf) => {
			this.compatibilityLevels = conf.compatibilityLevels;
			this.contentDescTypes = conf.contentDescTypes;
			conf.protocols.forEach((p) => {
				this.protocols.push(p.id);
				this.protocolsMap[p.id] = p.params;
			});
		});
	}

	onChangeProtocol(e: MatSelectChange): void {
		this.selectedProtocol = e.value;

		Object.keys(this.addApiForm.controls).forEach(k => {
			if (k.startsWith(this.paramPrefix)) {
				this.addApiForm.removeControl(k);
			}
		});

		if (this.protocolsMap[e.value]) {
			this.selProtParams = this.protocolsMap[e.value];
			this.selProtParams.forEach(p => {
				let validations: ValidatorFn[] = [];
				if (!p.optional) { validations.push(Validators.required); }
				if (p.type == 'INT') { validations.push(Validators.pattern('^[0-9]*$')); }
				this.addApiForm.addControl(this.paramPrefix + p.name, new FormControl('', validations));
			});
		} else {
			this.selProtParams = [];
		}
	}

	onSubmit(): void {
		let api: ApiInsert = {
			id: this.apiPrefix + this.addApiForm.get('apiIdSuffix')?.value,
			protocol: this.selectedProtocol,
			datasource: this.data.dsId,
			contentdescription: this.addApiForm.get('contentdescription')?.value,
			removable: true,
			compatibility: this.addApiForm.get('compatibility')?.value,
			metadataIdentifierPath: this.addApiForm.get('metadataIdentifierPath')?.value,
			baseurl: this.addApiForm.get('baseurl')?.value,
			apiParams: []
		};

		Object.keys(this.addApiForm.controls).forEach(k => {
			if (k.startsWith(this.paramPrefix)) {
				let val = this.addApiForm.get(k)?.value;
				if (val) {
					api.apiParams.push({
						param: k.substring(this.paramPrefix.length),
						value: (Array.isArray(val)) ? val.join() : val
					});
				}
			}
		});
		console.log(api);
		//this.service.dsmAddApi(api, (data: void) => this.dialogRef.close(1), this.metadataForm);
	}

	onNoClick(): void {
		this.dialogRef.close();
	}
}