Move tag posters and photos to media database.

src/actors.js

@@ -375,28 +375,31 @@ async function scrapeBasicActors() {
     return scrapeActors(basicActors.map(actor => actor.name));
 }
 
-async function associateActors(release, releaseId) {
-    const actorEntries = await knex('actors').whereIn('name', release.actors);
-
-    const newActors = release.actors
-        .map(actorName => actorName.trim())
-        .filter(actorName => !actorEntries.some(actor => actor.name === actorName));
-
-    const [newActorEntries, associatedActors] = await Promise.all([
-        Promise.all(newActors.map(async actorName => storeActor({ name: actorName }))),
-        knex('actors_associated').where('release_id', releaseId),
+async function associateActors(mappedActors, releases) {
+    const [existingActorEntries, existingAssociationEntries] = await Promise.all([
+        knex('actors').whereIn('name', Object.keys(mappedActors)),
+        knex('actors_associated').whereIn('release_id', releases.map(release => release.id)),
     ]);
 
-    const newlyAssociatedActors = actorEntries
-        .concat(newActorEntries)
-        .filter(actorEntry => !associatedActors.some(actor => actorEntry.id === actor.id))
-        .map(actor => ({
-            release_id: releaseId,
-            actor_id: actor.id,
-        }));
+    const associations = await Promise.map(Object.entries(mappedActors), async ([actorName, releaseIds]) => {
+        const actorEntry = existingActorEntries.find(actor => actor.name === actorName)
+            || await storeActor({ name: actorName });
 
-    await knex('actors_associated')
-        .insert(newlyAssociatedActors);
+        return releaseIds
+            .map(releaseId => ({
+                release_id: releaseId,
+                actor_id: actorEntry.id,
+            }))
+            .filter(association => !existingAssociationEntries
+                // remove associations already in database
+                .some(associationEntry => associationEntry.actor_id === association.actor_id
+                    && associationEntry.release_id === association.release_id));
+    });
+
+    await Promise.all([
+        knex('actors_associated').insert(associations.flat()),
+        scrapeBasicActors(),
+    ]);
 }
 
 module.exports = {