Merge branch 'data-steps' of github.com:hsmusic/hsmusic-wiki into data-steps

1 files changed, 69 insertions, 0 deletions

diff --git a/src/content/dependencies/listTracksInFlashesByFlash.js b/src/content/dependencies/listTracksInFlashesByFlash.js
new file mode 100644
index 00000000..70edcd32
--- /dev/null
+++ b/src/content/dependencies/listTracksInFlashesByFlash.js
@@ -0,0 +1,69 @@
+import {empty, stitchArrays} from '../../util/sugar.js';
+import {sortFlashesChronologically} from '../../util/wiki-data.js';
+
+export default {
+  contentDependencies: ['generateListingPage', 'linkAlbum', 'linkFlash', 'linkTrack'],
+  extraDependencies: ['wikiData'],
+
+  sprawl({flashData}) {
+    return {flashData};
+  },
+
+  query({flashData}, spec) {
+    const flashes = sortFlashesChronologically(
+      flashData
+        .filter(flash => !empty(flash.featuredTracks)));
+
+    const tracks =
+      flashes.map(album => album.featuredTracks);
+
+    const albums =
+      tracks.map(tracks =>
+        tracks.map(track => track.album));
+
+    return {spec, flashes, tracks, albums};
+  },
+
+  relations(relation, query) {
+    return {
+      page: relation('generateListingPage', query.spec),
+
+      flashLinks:
+        query.flashes
+          .map(flash => relation('linkFlash', flash)),
+
+      trackLinks:
+        query.tracks
+          .map(tracks => tracks
+            .map(track => relation('linkTrack', track))),
+
+      albumLinks:
+        query.albums
+          .map(albums => albums
+            .map(album => relation('linkAlbum', album))),
+    };
+  },
+
+  generate(relations) {
+    return relations.page.slots({
+      type: 'chunks',
+
+      chunkTitles:
+        relations.flashLinks
+          .map(flashLink => ({flash: flashLink})),
+
+      chunkRows:
+        stitchArrays({
+          trackLinks: relations.trackLinks,
+          albumLinks: relations.albumLinks,
+        }).map(({trackLinks, albumLinks}) =>
+            stitchArrays({
+              trackLink: trackLinks,
+              albumLink: albumLinks,
+            }).map(({trackLink, albumLink}) => ({
+                track: trackLink,
+                album: albumLink,
+              }))),
+    });
+  },
+};