From 84509ec1a8423c2288ba0b8047f2315d83492293 Mon Sep 17 00:00:00 2001
From: ISO-B <3048685+ISO-B@users.noreply.github.com>
Date: Sat, 27 Jul 2024 23:26:57 +0300
Subject: [PATCH] Added ability to download whole serie from serie view

---
 components/home/BookshelfToolbar.vue |   8 ++
 pages/bookshelf/series/_id.vue       | 173 ++++++++++++++++++++++++++-
 strings/en-us.json                   |   1 +
 3 files changed, 176 insertions(+), 6 deletions(-)

diff --git a/components/home/BookshelfToolbar.vue b/components/home/BookshelfToolbar.vue
index 3f045efb..59c971fe 100644
--- a/components/home/BookshelfToolbar.vue
+++ b/components/home/BookshelfToolbar.vue
@@ -95,6 +95,11 @@ export default {
             text: this.$strings.LabelCollapseSeries,
             value: 'collapse_subseries',
             icon: this.settings.collapseBookSeries ? 'check_box' : 'check_box_outline_blank'
+          },
+          {
+            text: this.$strings.LabelDownloadSerie,
+            value: 'download_serie',
+            icon: 'download'
           }
         ]
       } else {
@@ -117,6 +122,9 @@ export default {
       } else if (action === 'collapse_subseries') {
         this.settings.collapseBookSeries = !this.settings.collapseBookSeries
         this.saveSettings()
+      } else if (action === 'download_serie') {
+        console.log('Download Serie click')
+        this.$eventBus.$emit('download-serie-click')
       }
     },
     updateOrder() {
diff --git a/pages/bookshelf/series/_id.vue b/pages/bookshelf/series/_id.vue
index 27b0e018..7e7edd8b 100644
--- a/pages/bookshelf/series/_id.vue
+++ b/pages/bookshelf/series/_id.vue
@@ -1,8 +1,12 @@
 <template>
-  <bookshelf-lazy-bookshelf page="series-books" :series-id="seriesId" />
+  <bookshelf-lazy-bookshelf page="series-books" :series-id="seriesId" v-on:downloadSeriesClick="downloadSeriesClick" />
 </template>
 
 <script>
+import { Dialog } from '@capacitor/dialog'
+import { AbsDownloader } from '@/plugins/capacitor'
+import cellularPermissionHelpers from '@/mixins/cellularPermissionHelpers'
+
 export default {
   async asyncData({ params, app, store, redirect }) {
     var series = await app.$nativeHttp.get(`/api/series/${params.id}`).catch((error) => {
@@ -19,10 +23,167 @@ export default {
     }
   },
   data() {
-    return {}
+    return {
+      startingDownload: false,
+      mediaType: 'book',
+      booksPerFetch: 20,
+      books: 0,
+      numFiles: 0,
+      numAudioFiles: 0,
+      libraryIds: []
+    }
   },
-  computed: {},
-  methods: {},
-  mounted() {}
+  mixins: [cellularPermissionHelpers],
+  computed: {
+    isIos() {
+      return this.$platform === 'ios'
+    }
+  },
+  methods: {
+    async downloadSerieClick() {
+      console.log('Download Series clicked')
+      if (this.startingDownload) return
+
+      const hasPermission = await this.checkCellularPermission('download')
+      if (!hasPermission) return
+
+      this.startingDownload = true
+      setTimeout(() => {
+        this.startingDownload = false
+      }, 1000)
+
+      await this.$hapticsImpact()
+      this.download()
+    },
+    buildSearchParams() {
+      let searchParams = new URLSearchParams()
+      searchParams.set('filter', `series.${this.$encode(this.seriesId)}`)
+      return searchParams.toString()
+    },
+    async fetchSerieEntities(page) {
+      const startIndex = page * this.booksPerFetch
+
+      this.currentSFQueryString = this.buildSearchParams()
+
+      const entityPath = `items`
+      const sfQueryString = this.currentSFQueryString ? this.currentSFQueryString + '&' : ''
+      const fullQueryString = `?${sfQueryString}limit=${this.booksPerFetch}&page=${page}&minified=1&include=rssfeed,numEpisodesIncomplete`
+
+      const payload = await this.$nativeHttp.get(`/api/libraries/${this.series.libraryId}/${entityPath}${fullQueryString}`).catch((error) => {
+        console.error('failed to fetch books', error)
+        return null
+      })
+
+      if (payload && payload.results) {
+        console.log('Received payload', payload)
+        this.books = payload.total
+
+        for (let i = 0; i < payload.results.length; i++) {
+          console.log(payload.results[i].numFiles)
+          if (!(await this.$db.getLocalLibraryItem(`local_${payload.results[i].id}`))) {
+            this.numFiles += payload.results[i].numFiles
+            this.numAudioFiles += payload.results[i].media.numAudioFiles
+            this.libraryIds.push(payload.results[i].id)
+          }
+        }
+      }
+      let totalPages = Math.ceil(this.books / this.booksPerFetch)
+      if (totalPages > page + 1) {
+        return false
+      }
+      return true
+    },
+    async download(selectedLocalFolder = null) {
+      // Get the local folder to download to
+      let localFolder = selectedLocalFolder
+      if (!this.isIos && !localFolder) {
+        const localFolders = (await this.$db.getLocalFolders()) || []
+        console.log('Local folders loaded', localFolders.length)
+        const foldersWithMediaType = localFolders.filter((lf) => {
+          console.log('Checking local folder', lf.mediaType)
+          return lf.mediaType == this.mediaType
+        })
+        console.log('Folders with media type', this.mediaType, foldersWithMediaType.length)
+        const internalStorageFolder = foldersWithMediaType.find((f) => f.id === `internal-${this.mediaType}`)
+        if (!foldersWithMediaType.length) {
+          localFolder = {
+            id: `internal-${this.mediaType}`,
+            name: this.$strings.LabelInternalAppStorage,
+            mediaType: this.mediaType
+          }
+        } else if (foldersWithMediaType.length === 1 && internalStorageFolder) {
+          localFolder = internalStorageFolder
+        } else {
+          this.$store.commit('globals/showSelectLocalFolderModal', {
+            mediaType: this.mediaType,
+            callback: (folder) => {
+              this.download(folder)
+            }
+          })
+          return
+        }
+      }
+
+      // Fetch serie data from server
+      let page = 0
+      let fetchFinished = false
+      while (fetchFinished === false) {
+        fetchFinished = await this.fetchSerieEntities(page)
+        page += 1
+      }
+      if (fetchFinished !== true) {
+        console.error('failed to fetch serie books data')
+        return null
+      }
+
+      // Format message for dialog
+      let startDownloadMessage = `Serie "${this.series.name}" has ${this.books} book${this.books == 1 ? '' : 's'}. Download missing ${this.libraryIds.length} book${this.libraryIds.length == 1 ? '' : 's'} with ${this.numFiles} file${this.numFiles == 1 ? '' : 's'}`
+      let numEbookFiles = this.numFiles - this.numAudioFiles
+      if (!this.isIos && numEbookFiles > 0) {
+        if (this.numAudioFiles > 0) {
+          startDownloadMessage = `Serie "${this.series.name}" has ${this.books} book${this.books == 1 ? '' : 's'}. Download missing ${this.libraryIds.length} book${this.libraryIds.length == 1 ? '' : 's'} with ${this.numAudioFiles} audio file${this.numAudioFiles == 1 ? '' : 's'} and ${numEbookFiles} ebook file${this.numEbookFiles == 1 ? '' : 's'}`
+        } else {
+          startDownloadMessage = `Serie "${this.series.name}" has ${this.books} book${this.books == 1 ? '' : 's'}. Download missing ${this.libraryIds.length} book${this.libraryIds.length == 1 ? '' : 's'} with ${this.numFiles} ebook file${this.numFiles == 1 ? '' : 's'}`
+        }
+      }
+      if (!this.isIos) {
+        startDownloadMessage += ` to folder ${localFolder.name}`
+      }
+      startDownloadMessage += `?`
+
+      // Show confirmation dialog and start downloading if user chooses so
+      const { value } = await Dialog.confirm({
+        title: 'Confirm',
+        message: startDownloadMessage
+      })
+      if (value) {
+        for (let i = 0; i < this.libraryIds.length; i++) {
+          this.startDownload(localFolder, this.libraryIds[i])
+        }
+      }
+      this.libraryIds = []
+    },
+    async startDownload(localFolder = null, libraryItemId) {
+      const payload = {
+        libraryItemId: libraryItemId
+      }
+      if (localFolder) {
+        console.log('Starting download to local folder', localFolder.name)
+        payload.localFolderId = localFolder.id
+      }
+      var downloadRes = await AbsDownloader.downloadLibraryItem(payload)
+      if (downloadRes && downloadRes.error) {
+        var errorMsg = downloadRes.error || 'Unknown error'
+        console.error('Download error', errorMsg)
+        this.$toast.error(errorMsg)
+      }
+    }
+  },
+  mounted() {
+    this.$eventBus.$on('download-serie-click', this.downloadSerieClick)
+  },
+  beforeDestroy() {
+    this.$eventBus.$off('download-serie-click', this.downloadSerieClick)
+  }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/strings/en-us.json b/strings/en-us.json
index 24fb35ef..c865bf4f 100644
--- a/strings/en-us.json
+++ b/strings/en-us.json
@@ -123,6 +123,7 @@
   "LabelDisableVibrateOnResetHelp": "When the sleep timer gets reset your device will vibrate. Enable this setting to not vibrate when the sleep timer resets.",
   "LabelDiscover": "Discover",
   "LabelDownload": "Download",
+  "LabelDownloadSerie": "Download serie",
   "LabelDownloadUsingCellular": "Download using Cellular",
   "LabelDownloaded": "Downloaded",
   "LabelDuration": "Duration",