import * as debug from 'debug'
import { LazyLoadEvent, SortMeta } from 'primeng/api'
import { Subject } from 'rxjs'
import { debounceTime, distinctUntilChanged } from 'rxjs/operators'
import { ActivatedRoute, Params, Router } from '@angular/router'
import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
import { RestPagination } from './rest-pagination'
const logger = debug('peertube:tables:RestTable')
export abstract class RestTable {
abstract totalRecords: number
abstract sort: SortMeta
abstract pagination: RestPagination
search: string
rowsPerPageOptions = [ 10, 20, 50, 100 ]
rowsPerPage = this.rowsPerPageOptions[0]
expandedRows = {}
baseRoute: string
protected searchStream: Subject<string>
protected route: ActivatedRoute
protected router: Router
abstract getIdentifier (): string
initialize () {
this.loadSort()
this.initSearch()
}
loadSort () {
const result = peertubeLocalStorage.getItem(this.getSortLocalStorageKey())
if (result) {
try {
this.sort = JSON.parse(result)
} catch (err) {
console.error('Cannot load sort of local storage key ' + this.getSortLocalStorageKey(), err)
}
}
}
loadLazy (event: LazyLoadEvent) {
logger('Load lazy %o.', event)
this.sort = {
order: event.sortOrder,
field: event.sortField
}
this.pagination = {
start: event.first,
count: this.rowsPerPage
}
this.loadData()
this.saveSort()
}
saveSort () {
peertubeLocalStorage.setItem(this.getSortLocalStorageKey(), JSON.stringify(this.sort))
}
initSearch () {
this.searchStream = new Subject()
this.searchStream
.pipe(
debounceTime(400),
distinctUntilChanged()
)
.subscribe(search => {
this.search = search
logger('On search %s.', this.search)
this.loadData()
})
}
onSearch (event: Event) {
const target = event.target as HTMLInputElement
this.searchStream.next(target.value)
this.setQueryParams((event.target as HTMLInputElement).value)
}
setQueryParams (search: string) {
if (!this.baseRoute) return
const queryParams: Params = {}
if (search) Object.assign(queryParams, { search })
this.router.navigate([ this.baseRoute ], { queryParams })
}
resetTableFilter () {
this.setTableFilter('')
this.setQueryParams('')
this.resetSearch()
}
listenToSearchChange () {
this.route.queryParams
.subscribe(params => {
this.search = params.search || ''
// Primeng table will run an event to load data
this.setTableFilter(this.search)
})
}
onPage (event: { first: number, rows: number }) {
logger('On page %o.', event)
if (this.rowsPerPage !== event.rows) {
this.rowsPerPage = event.rows
this.pagination = {
start: event.first,
count: this.rowsPerPage
}
this.loadData()
}
this.expandedRows = {}
}
setTableFilter (filter: string, triggerEvent = true) {
// FIXME: cannot use ViewChild, so create a component for the filter input
const filterInput = document.getElementById('table-filter') as HTMLInputElement
if (!filterInput) return
filterInput.value = filter
if (triggerEvent) filterInput.dispatchEvent(new Event('keyup'))
}
resetSearch () {
this.searchStream.next('')
this.setTableFilter('')
}
protected abstract loadData (): void
private getSortLocalStorageKey () {
return 'rest-table-sort-' + this.getIdentifier()
}
}