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

   1 import debug from 'debug'
   2 import { SortMeta } from 'primeng/api'
   3 import { TableLazyLoadEvent } from 'primeng/table'
   4 import { ActivatedRoute, Router } from '@angular/router'
   5 import { logger } from '@root-helpers/logger'
   6 import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
   7 import { RestPagination } from './rest-pagination'
   8
   9 const debugLogger = debug('peertube:tables:RestTable')
  10
  11 export abstract class RestTable <T = unknown> {
  12
  13   abstract totalRecords: number
  14   abstract sort: SortMeta
  15   abstract pagination: RestPagination
  16
  17   rowsPerPageOptions = [ 10, 20, 50, 100 ]
  18   rowsPerPage = this.rowsPerPageOptions[0]
  19   expandedRows = {}
  20
  21   selectedRows: T[] = []
  22
  23   search: string
  24
  25   protected route: ActivatedRoute
  26   protected router: Router
  27
  28   abstract getIdentifier (): string
  29
  30   initialize () {
  31     this.loadSort()
  32   }
  33
  34   loadSort () {
  35     const result = peertubeLocalStorage.getItem(this.getSortLocalStorageKey())
  36
  37     if (result) {
  38       try {
  39         this.sort = JSON.parse(result)
  40       } catch (err) {
  41         logger.error('Cannot load sort of local storage key ' + this.getSortLocalStorageKey(), err)
  42       }
  43     }
  44   }
  45
  46   saveSort () {
  47     peertubeLocalStorage.setItem(this.getSortLocalStorageKey(), JSON.stringify(this.sort))
  48   }
  49
  50   loadLazy (event: TableLazyLoadEvent) {
  51     debugLogger('Load lazy %o.', event)
  52
  53     this.sort = {
  54       order: event.sortOrder,
  55       field: event.sortField as string
  56     }
  57
  58     this.rowsPerPage = event.rows
  59
  60     this.pagination = {
  61       start: event.first,
  62       count: this.rowsPerPage
  63     }
  64
  65     this.expandedRows = {}
  66
  67     this.reloadData()
  68     this.saveSort()
  69   }
  70
  71   onSearch (search: string) {
  72     this.pagination = {
  73       start: 0,
  74       count: this.rowsPerPage
  75     }
  76
  77     this.search = search
  78     this.reloadData()
  79   }
  80
  81   isInSelectionMode () {
  82     return this.selectedRows.length !== 0
  83   }
  84
  85   protected abstract reloadDataInternal (): void
  86
  87   protected reloadData () {
  88     this.selectedRows = []
  89
  90     this.reloadDataInternal()
  91   }
  92
  93   private getSortLocalStorageKey () {
  94     return 'rest-table-sort-' + this.getIdentifier()
  95   }
  96 }