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import { Injectable } from '@angular/core';
import { LocalStorageService } from '../../service/local-storage.service';
import { HeaderService } from '../../service/header.service';
import { FunctionsService } from '../../service/functions.service';
import { MatTableDataSource } from '@angular/material/table';
import { MatPaginator } from '@angular/material/paginator';
import { MatSort } from '@angular/material/sort';
import { merge } from 'rxjs/internal/observable/merge';
import { startWith } from 'rxjs/internal/operators/startWith';
import { tap } from 'rxjs/internal/operators/tap';
import { catchError } from 'rxjs/internal/operators/catchError';
import { of } from 'rxjs/internal/observable/of';
import { NotificationService } from '../../service/notification/notification.service';
@Injectable()
export class AdministrationService {
filters: any = {};
defaultFilters: any = {
admin_users: {
sort: 'user_id',
sortDirection: 'asc',
page: 0,
},
};
dataSource: MatTableDataSource<any>;
filterColumns: string[];
constructor(
private notify: NotificationService,
public headerService: HeaderService,
public functionsService: FunctionsService,
private localStorage: LocalStorageService,
) {
if (this.localStorage.get(`filtersAdmin_${this.headerService.user.id}`) !== null) {
this.filters = JSON.parse(this.localStorage.get(`filtersAdmin_${this.headerService.user.id}`));
}
}
setFilter(id: string, filter: any) {
this.filters[id] = filter;
this.localStorage.save(`filtersAdmin_${this.headerService.user.id}`, JSON.stringify(this.filters));
}
getDataSource() {
return this.dataSource;
}
setDataSource(adminId: string, data: any, sort: MatSort, paginator: MatPaginator, filterColumns: string[]) {
this.filterColumns = filterColumns;
this.dataSource = new MatTableDataSource(data);
this.dataSource.paginator = paginator;
this.dataSource.sortingDataAccessor = this.functionsService.listSortingDataAccessor;
if (this.functionsService.empty(this.getFilter('users'))) {
this.setFilter(
adminId,
this.defaultFilters[adminId]
);
}
sort.active = this.getFilter(adminId, 'sort');
sort.direction = this.getFilter(adminId, 'sortDirection');
paginator.pageIndex = this.getFilter(adminId, 'page');
this.dataSource.sort = sort;
merge(sort.sortChange, paginator.page)
.pipe(
startWith({}),
tap(() => {
this.setFilter(
adminId,
{
sort: sort.active,
sortDirection: sort.direction,
page: paginator.pageIndex,
}
);
}),
catchError((err: any) => {
this.notify.handleSoftErrors(err);
return of(false);
})
).subscribe();
}
getFilter(id: string, idFilter: string = null) {
if (!this.functionsService.empty(this.filters[id])) {
if (!this.functionsService.empty(idFilter)) {
return this.filters[id][idFilter];
} else {
return this.filters[id];
}
} else {
return null;
}
}
applyFilter(filterValue: string) {
filterValue = filterValue.trim(); // Remove whitespace
filterValue = filterValue.toLowerCase(); // MatTableDataSource defaults to lowercase matches
this.dataSource.filter = filterValue;
this.dataSource.filterPredicate = (template, filter: string) => {
return this.functionsService.filterUnSensitive(template, filter, this.filterColumns);
};
}
}