From 02bf55b401291481c829bc0dc6b874ebd21ad191 Mon Sep 17 00:00:00 2001
From: Selfhost Alt <selfhost.alt@gmail.com>
Date: Sun, 17 Apr 2022 23:31:39 -0700
Subject: [PATCH] Add a filter for media that is missing specific fields

---
 client/components/controls/FilterSelect.vue |  8 ++++++++
 server/utils/libraryHelpers.js              | 18 +++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/client/components/controls/FilterSelect.vue b/client/components/controls/FilterSelect.vue
index dd4a6734..e41847cc 100644
--- a/client/components/controls/FilterSelect.vue
+++ b/client/components/controls/FilterSelect.vue
@@ -107,6 +107,11 @@ export default {
           value: 'progress',
           sublist: true
         },
+        {
+          text: 'Missing',
+          value: 'missing',
+          sublist: true
+        },
         {
           text: 'Issues',
           value: 'issues',
@@ -200,6 +205,9 @@ export default {
     progress() {
       return ['Finished', 'In Progress', 'Not Started']
     },
+    missing() {
+      return ['ASIN', 'ISBN', 'Subtitle', 'Author', 'Publish Year', 'Series', 'Volume Number', 'Description', 'Genres', 'Tags', 'Narrator', 'Publisher', 'Language', ]
+    },
     sublistItems() {
       return (this[this.sublist] || []).map((item) => {
         if (typeof item === 'string') {
diff --git a/server/utils/libraryHelpers.js b/server/utils/libraryHelpers.js
index 1578401f..98387d69 100644
--- a/server/utils/libraryHelpers.js
+++ b/server/utils/libraryHelpers.js
@@ -11,7 +11,7 @@ module.exports = {
   getFilteredLibraryItems(libraryItems, filterBy, user) {
     var filtered = libraryItems
 
-    var searchGroups = ['genres', 'tags', 'series', 'authors', 'progress', 'narrators', 'languages']
+    var searchGroups = ['genres', 'tags', 'series', 'authors', 'progress', 'narrators', 'missing', 'languages']
     var group = searchGroups.find(_group => filterBy.startsWith(_group + '.'))
     if (group) {
       var filterVal = filterBy.replace(`${group}.`, '')
@@ -34,6 +34,22 @@ module.exports = {
           if (filter === 'In Progress' && (itemProgress && itemProgress.inProgress)) return true
           return false
         })
+      } else if (group == 'missing') {
+        filtered = filtered.filter(li => {
+          if (filter === 'ASIN' && li.media.metadata.asin === null) return true;
+          if (filter === 'ISBN' && li.media.metadata.isbn === null) return true;
+          if (filter === 'Subtitle' && li.media.metadata.subtitle === null) return true;
+          if (filter === 'Author' && li.media.metadata.authors.length === 0) return true;
+          if (filter === 'Publish Year' && li.media.metadata.publishedYear === null) return true;
+          if (filter === 'Series' && li.media.metadata.series.length === 0) return true;
+          if (filter === 'Volume Number' && (li.media.metadata.series.length === 0 || li.media.metadata.series[0].sequence === null)) return true;
+          if (filter === 'Description' && li.media.metadata.description === null) return true;
+          if (filter === 'Genres' && li.media.metadata.genres.length === 0) return true;
+          if (filter === 'Tags' && li.media.tags.length === 0) return true;
+          if (filter === 'Narrator' && li.media.metadata.narrators.length === 0) return true;
+          if (filter === 'Publisher' && li.media.metadata.publisher === null) return true;
+          if (filter === 'Language' && li.media.metadata.language === null) return true;
+        })
       } else if (group === 'languages') {
         filtered = filtered.filter(li => li.media.metadata && li.media.metadata.language === filter)
       }