Merge pull request #4041 from nichwall/podcast_queue_no_duplicates

Prevent duplicate episodes from being added to queue

client/components/modals/podcast/EpisodeFeed.vue

@@ -16,11 +16,12 @@
           v-for="(episode, index) in episodesList"
           :key="index"
           class="relative"
-          :class="getIsEpisodeDownloaded(episode) ? 'bg-primary bg-opacity-40' : selectedEpisodes[episode.cleanUrl] ? 'cursor-pointer bg-success bg-opacity-10' : index % 2 == 0 ? 'cursor-pointer bg-primary bg-opacity-25 hover:bg-opacity-40' : 'cursor-pointer bg-primary bg-opacity-5 hover:bg-opacity-25'"
+          :class="episode.isDownloaded || episode.isDownloading ? 'bg-primary bg-opacity-40' : selectedEpisodes[episode.cleanUrl] ? 'cursor-pointer bg-success bg-opacity-10' : index % 2 == 0 ? 'cursor-pointer bg-primary bg-opacity-25 hover:bg-opacity-40' : 'cursor-pointer bg-primary bg-opacity-5 hover:bg-opacity-25'"
           @click="toggleSelectEpisode(episode)"
         >
           <div class="absolute top-0 left-0 h-full flex items-center p-2">
-            <span v-if="getIsEpisodeDownloaded(episode)" class="material-symbols text-success text-xl">download_done</span>
+            <span v-if="episode.isDownloaded" class="material-symbols text-success text-xl">download_done</span>
+            <span v-else-if="episode.isDownloading" class="material-symbols text-warning text-xl">download</span>
             <ui-checkbox v-else v-model="selectedEpisodes[episode.cleanUrl]" small checkbox-bg="primary" border-color="gray-600" />
           </div>
           <div class="px-8 py-2">
@@ -58,6 +59,14 @@ export default {
     episodes: {
       type: Array,
       default: () => []
+    },
+    downloadQueue: {
+      type: Array,
+      default: () => []
+    },
+    episodesDownloading: {
+      type: Array,
+      default: () => []
     }
   },
   data() {
@@ -79,6 +88,21 @@ export default {
       handler(newVal) {
         if (newVal) this.init()
       }
+    },
+    episodes: {
+      handler(newVal) {
+        if (newVal) this.updateEpisodeDownloadStatuses()
+      }
+    },
+    episodesDownloading: {
+      handler(newVal) {
+        if (newVal) this.updateEpisodeDownloadStatuses()
+      }
+    },
+    downloadQueue: {
+      handler(newVal) {
+        if (newVal) this.updateEpisodeDownloadStatuses()
+      }
     }
   },
   computed: {
@@ -132,6 +156,13 @@ export default {
       }
       return false
     },
+    getIsEpisodeDownloadingOrQueued(episode) {
+      const episodesToCheck = [...this.episodesDownloading, ...this.downloadQueue]
+      if (episode.guid) {
+        return episodesToCheck.some((download) => download.guid === episode.guid)
+      }
+      return episodesToCheck.some((download) => this.getCleanEpisodeUrl(download.url) === episode.cleanUrl)
+    },
     /**
      * UPDATE: As of v2.4.5 guid is used for matching existing downloaded episodes if it is found on the RSS feed.
      * Fallback to checking the clean url
@@ -187,7 +218,7 @@ export default {
       this.selectAll = true
     },
     toggleSelectEpisode(episode) {
-      if (this.getIsEpisodeDownloaded(episode)) return
+      if (episode.isDownloaded || episode.isDownloading) return
       this.$set(this.selectedEpisodes, episode.cleanUrl, !this.selectedEpisodes[episode.cleanUrl])
       this.checkSetIsSelectedAll()
     },
@@ -223,6 +254,23 @@ export default {
         })
     },
     init() {
+      this.updateDownloadedEpisodeMaps()
+
+      this.episodesCleaned = this.episodes
+        .filter((ep) => ep.enclosure?.url)
+        .map((_ep) => {
+          return {
+            ..._ep,
+            cleanUrl: this.getCleanEpisodeUrl(_ep.enclosure.url),
+            isDownloading: this.getIsEpisodeDownloadingOrQueued(_ep),
+            isDownloaded: this.getIsEpisodeDownloaded(_ep)
+          }
+        })
+      this.episodesCleaned.sort((a, b) => (a.publishedAt < b.publishedAt ? 1 : -1))
+      this.selectAll = false
+      this.selectedEpisodes = {}
+    },
+    updateDownloadedEpisodeMaps() {
       this.downloadedEpisodeGuidMap = {}
       this.downloadedEpisodeUrlMap = {}
 
@@ -230,18 +278,16 @@ export default {
         if (episode.guid) this.downloadedEpisodeGuidMap[episode.guid] = episode.id
         if (episode.enclosure?.url) this.downloadedEpisodeUrlMap[this.getCleanEpisodeUrl(episode.enclosure.url)] = episode.id
       })
-
-      this.episodesCleaned = this.episodes
-        .filter((ep) => ep.enclosure?.url)
-        .map((_ep) => {
+    },
+    updateEpisodeDownloadStatuses() {
+      this.updateDownloadedEpisodeMaps()
+      this.episodesCleaned = this.episodesCleaned.map((ep) => {
         return {
-            ..._ep,
-            cleanUrl: this.getCleanEpisodeUrl(_ep.enclosure.url)
+          ...ep,
+          isDownloading: this.getIsEpisodeDownloadingOrQueued(ep),
+          isDownloaded: this.getIsEpisodeDownloaded(ep)
         }
       })
-      this.episodesCleaned.sort((a, b) => (a.publishedAt < b.publishedAt ? 1 : -1))
-      this.selectAll = false
-      this.selectedEpisodes = {}
     }
   },
   mounted() {}

client/pages/item/_id/index.vue

@@ -141,7 +141,7 @@
       </div>
     </div>
 
-    <modals-podcast-episode-feed v-model="showPodcastEpisodeFeed" :library-item="libraryItem" :episodes="podcastFeedEpisodes" />
+    <modals-podcast-episode-feed v-model="showPodcastEpisodeFeed" :library-item="libraryItem" :episodes="podcastFeedEpisodes" :download-queue="episodeDownloadsQueued" :episodes-downloading="episodesDownloading" />
     <modals-bookmarks-modal v-model="showBookmarksModal" :bookmarks="bookmarks" :playback-rate="1" :library-item-id="libraryItemId" hide-create @select="selectBookmark" />
   </div>
 </template>
@@ -660,13 +660,11 @@ export default {
     },
     rssFeedOpen(data) {
       if (data.entityId === this.libraryItemId) {
-        console.log('RSS Feed Opened', data)
         this.rssFeed = data
       }
     },
     rssFeedClosed(data) {
       if (data.entityId === this.libraryItemId) {
-        console.log('RSS Feed Closed', data)
         this.rssFeed = null
       }
     },

server/managers/PodcastManager.js

@@ -72,6 +72,15 @@ class PodcastManager {
    */
   async startPodcastEpisodeDownload(podcastEpisodeDownload) {
     if (this.currentDownload) {
+      // Prevent downloading episodes from the same URL for the same library item.
+      // Allow downloading for different library items in case of the same podcast existing in multiple libraries (e.g. different folders)
+      if (this.downloadQueue.some((d) => d.url === podcastEpisodeDownload.url && d.libraryItem.id === podcastEpisodeDownload.libraryItem.id)) {
+        Logger.warn(`[PodcastManager] Episode already in queue: "${this.currentDownload.episodeTitle}"`)
+        return
+      } else if (this.currentDownload.url === podcastEpisodeDownload.url && this.currentDownload.libraryItem.id === podcastEpisodeDownload.libraryItem.id) {
+        Logger.warn(`[PodcastManager] Episode download already in progress for "${podcastEpisodeDownload.episodeTitle}"`)
+        return
+      }
       this.downloadQueue.push(podcastEpisodeDownload)
       SocketAuthority.emitter('episode_download_queued', podcastEpisodeDownload.toJSONForClient())
       return

server/objects/PodcastEpisodeDownload.js

@@ -43,7 +43,8 @@ class PodcastEpisodeDownload {
       season: this.rssPodcastEpisode?.season ?? null,
       episode: this.rssPodcastEpisode?.episode ?? null,
       episodeType: this.rssPodcastEpisode?.episodeType ?? 'full',
-      publishedAt: this.rssPodcastEpisode?.publishedAt ?? null
+      publishedAt: this.rssPodcastEpisode?.publishedAt ?? null,
+      guid: this.rssPodcastEpisode?.guid ?? null
     }
   }