Parse book language from NFO metadata source

server/scanner/NfoFileScanner.js

@@ -2,24 +2,26 @@ const { parseNfoMetadata } = require('../utils/parsers/parseNfoMetadata')
 const { readTextFile } = require('../utils/fileUtils')
 
 class NfoFileScanner {
-  constructor() { }
+  constructor() {}
 
   /**
    * Parse metadata from .nfo file found in library scan and update bookMetadata
-   * 
-   * @param {import('../models/LibraryItem').LibraryFileObject} nfoLibraryFileObj 
-   * @param {Object} bookMetadata 
+   *
+   * @param {import('../models/LibraryItem').LibraryFileObject} nfoLibraryFileObj
+   * @param {Object} bookMetadata
    */
   async scanBookNfoFile(nfoLibraryFileObj, bookMetadata) {
     const nfoText = await readTextFile(nfoLibraryFileObj.metadata.path)
     const nfoMetadata = nfoText ? await parseNfoMetadata(nfoText) : null
     if (nfoMetadata) {
       for (const key in nfoMetadata) {
-        if (key === 'tags') { // Add tags only if tags are empty
+        if (key === 'tags') {
+          // Add tags only if tags are empty
           if (nfoMetadata.tags.length) {
             bookMetadata.tags = nfoMetadata.tags
           }
-        } else if (key === 'genres') { // Add genres only if genres are empty
+        } else if (key === 'genres') {
+          // Add genres only if genres are empty
           if (nfoMetadata.genres.length) {
             bookMetadata.genres = nfoMetadata.genres
           }
@@ -33,10 +35,12 @@ class NfoFileScanner {
           }
         } else if (key === 'series') {
           if (nfoMetadata.series) {
-            bookMetadata.series = [{
-              name: nfoMetadata.series,
-              sequence: nfoMetadata.sequence || null
-            }]
+            bookMetadata.series = [
+              {
+                name: nfoMetadata.series,
+                sequence: nfoMetadata.sequence || null
+              }
+            ]
           }
         } else if (nfoMetadata[key] && key !== 'sequence') {
           bookMetadata[key] = nfoMetadata[key]
@@ -45,4 +49,4 @@ class NfoFileScanner {
     }
   }
 }
-module.exports = new NfoFileScanner()
+module.exports = new NfoFileScanner()

server/utils/parsers/parseNfoMetadata.js

@@ -81,6 +81,10 @@ function parseNfoMetadata(nfoText) {
         case 'isbn-13':
           metadata.isbn = value
           break
+        case 'language':
+        case 'lang':
+          metadata.language = value
+          break
       }
     }
   })

test/server/utils/parsers/parseNfoMetadata.test.js

@@ -103,6 +103,16 @@ describe('parseNfoMetadata', () => {
     expect(result.asin).to.equal('B08X5JZJLH')
   })
 
+  it('parses language', () => {
+    const nfoText = 'Language: eng'
+    const result = parseNfoMetadata(nfoText)
+    expect(result.language).to.equal('eng')
+
+    const nfoText2 = 'lang: deu'
+    const result2 = parseNfoMetadata(nfoText2)
+    expect(result2.language).to.equal('deu')
+  })
+
   it('parses description', () => {
     const nfoText = 'Book Description\n=========\nThis is a book.\n It\'s good'
     const result = parseNfoMetadata(nfoText)