From 1532964902a91a7a7daceb2ee0107376ea9dd859 Mon Sep 17 00:00:00 2001
From: Greg Lorenzen <gregorylorenzen@gmail.com>
Date: Mon, 7 Oct 2024 21:06:57 +0000
Subject: [PATCH] Add publishedDecades to getFilterData

---
 server/utils/queries/libraryFilters.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/server/utils/queries/libraryFilters.js b/server/utils/queries/libraryFilters.js
index 5c7b7dc0a..fc04fefc5 100644
--- a/server/utils/queries/libraryFilters.js
+++ b/server/utils/queries/libraryFilters.js
@@ -26,7 +26,7 @@ module.exports = {
     let filterValue = null
     let filterGroup = null
     if (filterBy) {
-      const searchGroups = ['genres', 'tags', 'series', 'authors', 'progress', 'narrators', 'publishers', 'missing', 'languages', 'tracks', 'ebooks']
+      const searchGroups = ['genres', 'tags', 'series', 'authors', 'progress', 'narrators', 'publishers', 'publishedDecades', 'missing', 'languages', 'tracks', 'ebooks']
       const group = searchGroups.find((_group) => filterBy.startsWith(_group + '.'))
       filterGroup = group || filterBy
       filterValue = group ? this.decode(filterBy.replace(`${group}.`, '')) : null
@@ -458,6 +458,7 @@ module.exports = {
       narrators: new Set(),
       languages: new Set(),
       publishers: new Set(),
+      publishedDecades: new Set(),
       numIssues: 0
     }
 
@@ -492,7 +493,7 @@ module.exports = {
             libraryId: libraryId
           }
         },
-        attributes: ['tags', 'genres', 'publisher', 'narrators', 'language']
+        attributes: ['tags', 'genres', 'publisher', 'publishedYear', 'narrators', 'language']
       })
       for (const book of books) {
         if (book.libraryItem.isMissing || book.libraryItem.isInvalid) data.numIssues++
@@ -506,6 +507,11 @@ module.exports = {
           book.narrators.forEach((narrator) => data.narrators.add(narrator))
         }
         if (book.publisher) data.publishers.add(book.publisher)
+        // Check if published year exists and is valid
+        if (book.publishedYear && !isNaN(book.publishedYear) && book.publishedYear > 0 && book.publishedYear < 3000 && book.publishedYear.toString().length === 4) {
+          const decade = Math.floor(book.publishedYear / 10) * 10
+          data.publishedDecades.add(decade.toString())
+        }
         if (book.language) data.languages.add(book.language)
       }
 
@@ -532,6 +538,7 @@ module.exports = {
     data.series = naturalSort(data.series).asc((se) => se.name)
     data.narrators = naturalSort([...data.narrators]).asc()
     data.publishers = naturalSort([...data.publishers]).asc()
+    data.publishedDecades = naturalSort([...data.publishedDecades]).asc()
     data.languages = naturalSort([...data.languages]).asc()
     data.loadedAt = Date.now()
     Database.libraryFilterData[libraryId] = data