Add:Parsing meta tags from podcast episode audio file #1488

server/objects/entities/PodcastEpisode.js

@@ -1,4 +1,5 @@
 const Path = require('path')
+const Logger = require('../../Logger')
 const { getId, cleanStringForSearch } = require('../../utils/index')
 const AudioFile = require('../files/AudioFile')
 const AudioTrack = require('../files/AudioTrack')
@@ -132,6 +133,9 @@ class PodcastEpisode {
     this.audioFile = audioFile
     this.title = Path.basename(audioFile.metadata.filename, Path.extname(audioFile.metadata.filename))
     this.index = index
+
+    this.setDataFromAudioMetaTags(audioFile.metaTags, true)
+
     this.addedAt = Date.now()
     this.updatedAt = Date.now()
   }
@@ -168,5 +172,76 @@ class PodcastEpisode {
   searchQuery(query) {
     return cleanStringForSearch(this.title).includes(query)
   }
+
+  setDataFromAudioMetaTags(audioFileMetaTags, overrideExistingDetails = false) {
+    if (!audioFileMetaTags) return false
+
+    const MetadataMapArray = [
+      {
+        tag: 'tagComment',
+        altTag: 'tagSubtitle',
+        key: 'description'
+      },
+      {
+        tag: 'tagSubtitle',
+        key: 'subtitle'
+      },
+      {
+        tag: 'tagDate',
+        key: 'pubDate'
+      },
+      {
+        tag: 'tagDisc',
+        key: 'season',
+      },
+      {
+        tag: 'tagTrack',
+        altTag: 'tagSeriesPart',
+        key: 'episode'
+      },
+      {
+        tag: 'tagTitle',
+        key: 'title'
+      },
+      {
+        tag: 'tagEpisodeType',
+        key: 'episodeType'
+      }
+    ]
+
+    MetadataMapArray.forEach((mapping) => {
+      let value = audioFileMetaTags[mapping.tag]
+      let tagToUse = mapping.tag
+      if (!value && mapping.altTag) {
+        tagToUse = mapping.altTag
+        value = audioFileMetaTags[mapping.altTag]
+      }
+
+      if (value && typeof value === 'string') {
+        value = value.trim() // Trim whitespace
+
+        if (mapping.key === 'pubDate' && (!this.pubDate || overrideExistingDetails)) {
+          const pubJsDate = new Date(value)
+          if (pubJsDate && !isNaN(pubJsDate)) {
+            this.publishedAt = pubJsDate.valueOf()
+            this.pubDate = value
+            Logger.debug(`[PodcastEpisode] Mapping metadata to key ${tagToUse} => ${mapping.key}: ${this[mapping.key]}`)
+          } else {
+            Logger.warn(`[PodcastEpisode] Mapping pubDate with tag ${tagToUse} has invalid date "${value}"`)
+          }
+        } else if (mapping.key === 'episodeType' && (!this.episodeType || overrideExistingDetails)) {
+          if (['full', 'trailer', 'bonus'].includes(value)) {
+            this.episodeType = value
+            Logger.debug(`[PodcastEpisode] Mapping metadata to key ${tagToUse} => ${mapping.key}: ${this[mapping.key]}`)
+          } else {
+            Logger.warn(`[PodcastEpisode] Mapping episodeType with invalid value "${value}". Must be one of [full, trailer, bonus].`)
+          }
+        } else if (!this[mapping.key] || overrideExistingDetails) {
+          this[mapping.key] = value
+          Logger.debug(`[PodcastEpisode] Mapping metadata to key ${tagToUse} => ${mapping.key}: ${this[mapping.key]}`)
+        }
+      }
+    })
+  }
 }
 module.exports = PodcastEpisode