Update collection permissions UI (#6917)

app/stores/CollectionGroupMembershipsStore.ts

@@ -76,4 +76,7 @@ export default class CollectionGroupMembershipsStore extends Store<CollectionGro
       groupId,
     });
   }
+
+  inCollection = (collectionId: string) =>
+    this.orderedData.filter((cgm) => cgm.collectionId === collectionId);
 }

app/stores/MembershipsStore.ts

@@ -82,4 +82,9 @@ export default class MembershipsStore extends Store<Membership> {
       }
     });
   };
+
+  inCollection = (collectionId: string) =>
+    this.orderedData.filter(
+      (membership) => membership.collectionId === collectionId
+    );
 }

app/stores/SharesStore.ts

@@ -104,6 +104,9 @@ export default class SharesStore extends Store<Share> {
     return undefined;
   };
 
+  getByCollectionId = (collectionId: string): Share | null | undefined =>
+    find(this.orderedData, (share) => share.collectionId === collectionId);
+
   getByDocumentId = (documentId: string): Share | null | undefined =>
     find(this.orderedData, (share) => share.documentId === documentId);
 }