client/src/app/core/rest/rest-table.ts

   1 import debug from 'debug'
   2 import { LazyLoadEvent, SortMeta } from 'primeng/api'
   3 import { ActivatedRoute, Router } from '@angular/router'
   4 import { logger } from '@root-helpers/logger'
   5 import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
   6 import { RestPagination } from './rest-pagination'
   7
   8 const debugLogger = debug('peertube:tables:RestTable')
   9
  10 export abstract class RestTable <T = unknown> {
  11
  12   abstract totalRecords: number
  13   abstract sort: SortMeta
  14   abstract pagination: RestPagination
  15
  16   rowsPerPageOptions = [ 10, 20, 50, 100 ]
  17   rowsPerPage = this.rowsPerPageOptions[0]
  18   expandedRows = {}
  19
  20   selectedRows: T[] = []
  21
  22   search: string
  23
  24   protected route: ActivatedRoute
  25   protected router: Router
  26
  27   abstract getIdentifier (): string
  28
  29   initialize () {
  30     this.loadSort()
  31   }
  32
  33   loadSort () {
  34     const result = peertubeLocalStorage.getItem(this.getSortLocalStorageKey())
  35
  36     if (result) {
  37       try {
  38         this.sort = JSON.parse(result)
  39       } catch (err) {
  40         logger.error('Cannot load sort of local storage key ' + this.getSortLocalStorageKey(), err)
  41       }
  42     }
  43   }
  44
  45   saveSort () {
  46     peertubeLocalStorage.setItem(this.getSortLocalStorageKey(), JSON.stringify(this.sort))
  47   }
  48
  49   loadLazy (event: LazyLoadEvent) {
  50     debugLogger('Load lazy %o.', event)
  51
  52     this.sort = {
  53       order: event.sortOrder,
  54       field: event.sortField
  55     }
  56
  57     this.rowsPerPage = event.rows
  58
  59     this.pagination = {
  60       start: event.first,
  61       count: this.rowsPerPage
  62     }
  63
  64     this.expandedRows = {}
  65
  66     this.reloadData()
  67     this.saveSort()
  68   }
  69
  70   onSearch (search: string) {
  71     this.pagination = {
  72       start: 0,
  73       count: this.rowsPerPage
  74     }
  75
  76     this.search = search
  77     this.reloadData()
  78   }
  79
  80   isInSelectionMode () {
  81     return this.selectedRows.length !== 0
  82   }
  83
  84   protected abstract reloadDataInternal (): void
  85
  86   protected reloadData () {
  87     this.selectedRows = []
  88
  89     this.reloadDataInternal()
  90   }
  91
  92   private getSortLocalStorageKey () {
  93     return 'rest-table-sort-' + this.getIdentifier()
  94   }
  95 }