client/src/app/search/search-filters.component.ts

   1 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
   2 import { ActivatedRoute } from '@angular/router'
   3 import { RedirectService, ServerService } from '@app/core'
   4 import { NotificationsService } from 'angular2-notifications'
   5 import { SearchService } from '@app/search/search.service'
   6 import { I18n } from '@ngx-translate/i18n-polyfill'
   7 import { MetaService } from '@ngx-meta/core'
   8 import { AdvancedSearch } from '@app/search/advanced-search.model'
   9 import { VideoConstant } from '../../../../shared'
  10
  11 @Component({
  12   selector: 'my-search-filters',
  13   styleUrls: [ './search-filters.component.scss' ],
  14   templateUrl: './search-filters.component.html'
  15 })
  16 export class SearchFiltersComponent implements OnInit {
  17   @Input() advancedSearch: AdvancedSearch = new AdvancedSearch()
  18
  19   @Output() filtered = new EventEmitter<AdvancedSearch>()
  20
  21   videoCategories: VideoConstant<number>[] = []
  22   videoLicences: VideoConstant<number>[] = []
  23   videoLanguages: VideoConstant<string>[] = []
  24
  25   publishedDateRanges: { id: string, label: string }[] = []
  26   sorts: { id: string, label: string }[] = []
  27   durationRanges: { id: string, label: string }[] = []
  28
  29   publishedDateRange: string
  30   durationRange: string
  31
  32   constructor (
  33     private i18n: I18n,
  34     private serverService: ServerService
  35   ) {
  36     this.publishedDateRanges = [
  37       {
  38         id: 'today',
  39         label: this.i18n('Today')
  40       },
  41       {
  42         id: 'last_7days',
  43         label: this.i18n('Last 7 days')
  44       },
  45       {
  46         id: 'last_30days',
  47         label: this.i18n('Last 30 days')
  48       },
  49       {
  50         id: 'last_365days',
  51         label: this.i18n('Last 365 days')
  52       }
  53     ]
  54
  55     this.durationRanges = [
  56       {
  57         id: 'short',
  58         label: this.i18n('Short (< 4 min)')
  59       },
  60       {
  61         id: 'long',
  62         label: this.i18n('Long (> 10 min)')
  63       },
  64       {
  65         id: 'medium',
  66         label: this.i18n('Medium (4-10 min)')
  67       }
  68     ]
  69
  70     this.sorts = [
  71       {
  72         id: '-match',
  73         label: this.i18n('Relevance')
  74       },
  75       {
  76         id: '-publishedAt',
  77         label: this.i18n('Publish date')
  78       },
  79       {
  80         id: '-views',
  81         label: this.i18n('Views')
  82       }
  83     ]
  84   }
  85
  86   ngOnInit () {
  87     this.videoCategories = this.serverService.getVideoCategories()
  88     this.videoLicences = this.serverService.getVideoLicences()
  89     this.videoLanguages = this.serverService.getVideoLanguages()
  90
  91     this.loadFromDurationRange()
  92     this.loadFromPublishedRange()
  93   }
  94
  95   formUpdated () {
  96     this.updateModelFromDurationRange()
  97     this.updateModelFromPublishedRange()
  98
  99     this.filtered.emit(this.advancedSearch)
 100   }
 101
 102   private loadFromDurationRange () {
 103     if (this.advancedSearch.durationMin || this.advancedSearch.durationMax) {
 104       const fourMinutes = 60 * 4
 105       const tenMinutes = 60 * 10
 106
 107       if (this.advancedSearch.durationMin === fourMinutes && this.advancedSearch.durationMax === tenMinutes) {
 108         this.durationRange = 'medium'
 109       } else if (this.advancedSearch.durationMax === fourMinutes) {
 110         this.durationRange = 'short'
 111       } else if (this.advancedSearch.durationMin === tenMinutes) {
 112         this.durationRange = 'long'
 113       }
 114     }
 115   }
 116
 117   private loadFromPublishedRange () {
 118     if (this.advancedSearch.startDate) {
 119       const date = new Date(this.advancedSearch.startDate)
 120       const now = new Date()
 121
 122       const diff = Math.abs(date.getTime() - now.getTime())
 123
 124       const dayMS = 1000 * 3600 * 24
 125       const numberOfDays = diff / dayMS
 126
 127       if (numberOfDays >= 365) this.publishedDateRange = 'last_365days'
 128       else if (numberOfDays >= 30) this.publishedDateRange = 'last_30days'
 129       else if (numberOfDays >= 7) this.publishedDateRange = 'last_7days'
 130       else if (numberOfDays >= 0) this.publishedDateRange = 'today'
 131     }
 132   }
 133
 134   private updateModelFromDurationRange () {
 135     if (!this.durationRange) return
 136
 137     const fourMinutes = 60 * 4
 138     const tenMinutes = 60 * 10
 139
 140     switch (this.durationRange) {
 141       case 'short':
 142         this.advancedSearch.durationMin = undefined
 143         this.advancedSearch.durationMax = fourMinutes
 144         break
 145
 146       case 'medium':
 147         this.advancedSearch.durationMin = fourMinutes
 148         this.advancedSearch.durationMax = tenMinutes
 149         break
 150
 151       case 'long':
 152         this.advancedSearch.durationMin = tenMinutes
 153         this.advancedSearch.durationMax = undefined
 154         break
 155     }
 156   }
 157
 158   private updateModelFromPublishedRange () {
 159     if (!this.publishedDateRange) return
 160
 161     // today
 162     const date = new Date()
 163     date.setHours(0, 0, 0, 0)
 164
 165     switch (this.publishedDateRange) {
 166       case 'last_7days':
 167         date.setDate(date.getDate() - 7)
 168         break
 169
 170       case 'last_30days':
 171         date.setDate(date.getDate() - 30)
 172         break
 173
 174       case 'last_365days':
 175         date.setDate(date.getDate() - 365)
 176         break
 177     }
 178
 179     this.advancedSearch.startDate = date.toISOString()
 180   }
 181 }