1 files changed, 42 insertions, 0 deletions
diff --git a/src/data/things/art-tag.js b/src/data/things/art-tag.js
new file mode 100644
index 0000000..0f888a2
--- /dev/null
+++ b/src/data/things/art-tag.js
@@ -0,0 +1,42 @@
+import Thing from './thing.js';
+
+import {
+  sortAlbumsTracksChronologically,
+} from '../../util/wiki-data.js';
+
+export class ArtTag extends Thing {
+  static [Thing.referenceType] = 'tag';
+
+  static [Thing.getPropertyDescriptors] = ({
+    Album,
+    Track,
+  }) => ({
+    // Update & expose
+
+    name: Thing.common.name('Unnamed Art Tag'),
+    directory: Thing.common.directory(),
+    color: Thing.common.color(),
+    isContentWarning: Thing.common.flag(false),
+
+    // Update only
+
+    albumData: Thing.common.wikiData(Album),
+    trackData: Thing.common.wikiData(Track),
+
+    // Expose only
+
+    // Previously known as: (tag).things
+    taggedInThings: {
+      flags: {expose: true},
+
+      expose: {
+        dependencies: ['albumData', 'trackData'],
+        compute: ({albumData, trackData, [ArtTag.instance]: artTag}) =>
+          sortAlbumsTracksChronologically(
+            [...albumData, ...trackData]
+              .filter(({artTags}) => artTags.includes(artTag)),
+            {getDate: o => o.coverArtDate}),
+      },
+    },
+  });
+}