MBS-10910: Display renamed from/into on label overview

lib/MusicBrainz/Server/Constants.pm

@@ -70,7 +70,7 @@ our @EXPORT_OK = (
         $ARTIST_ARTIST_COLLABORATION
         %PART_OF_SERIES $PART_OF_AREA_LINK_TYPE $PART_OF_AREA_LINK_TYPE_ID
         $SERIES_ORDERING_TYPE_AUTOMATIC $SERIES_ORDERING_TYPE_MANUAL
-        $SERIES_ORDERING_ATTRIBUTE
+        $SERIES_ORDERING_ATTRIBUTE $LABEL_RENAME_LINK_TYPE
         $MAX_INITIAL_MEDIUMS $MAX_INITIAL_TRACKS
         $MAX_POSTGRES_INT $MAX_POSTGRES_BIGINT
         @FULL_TABLE_LIST
@@ -405,6 +405,8 @@ Readonly our $PART_OF_AREA_LINK_TYPE => 'de7cc874-8b1b-3a05-8272-f3834c968fb7';
 
 Readonly our $PART_OF_AREA_LINK_TYPE_ID => 356;
 
+Readonly our $LABEL_RENAME_LINK_TYPE => 'e6159066-6013-4d09-a2f8-bc473f21e89e';
+
 Readonly our $MAX_INITIAL_MEDIUMS => 10;
 Readonly our $MAX_INITIAL_TRACKS => 100;
 

lib/MusicBrainz/Server/Controller/Label.pm

@@ -10,7 +10,7 @@ with 'MusicBrainz::Server::Controller::Role::Load' => {
         cardinal => ['edit'],
         default => ['url'],
         subset => {
-            show => ['artist', 'url'],
+            show => ['artist', 'label', 'url'],
             relationships => [qw( area artist event instrument label place series url )],
         },
         paged_subset => {
@@ -40,7 +40,15 @@ with 'MusicBrainz::Server::Controller::Role::Collection' => {
     entity_type => 'label'
 };
 
-use MusicBrainz::Server::Constants qw( $DLABEL_ID $EDIT_LABEL_CREATE $EDIT_LABEL_DELETE $EDIT_LABEL_EDIT $EDIT_LABEL_MERGE );
+use MusicBrainz::Server::Constants qw(
+    $DLABEL_ID
+    $EDIT_LABEL_CREATE
+    $EDIT_LABEL_DELETE
+    $EDIT_LABEL_EDIT
+    $EDIT_LABEL_MERGE
+    $LABEL_RENAME_LINK_TYPE
+    :direction
+);
 use MusicBrainz::Server::ControllerUtils::JSON qw( serialize_pager );
 use Data::Page;
 use MusicBrainz::Server::Data::Utils qw( is_special_label );
@@ -112,8 +120,10 @@ sub show : PathPart('') Chained('load')
 {
     my  ($self, $c) = @_;
 
+    my $label = $c->stash->{label};
+
     my $releases = $self->_load_paged($c, sub {
-            $c->model('Release')->find_by_label($c->stash->{label}->id, shift, shift);
+            $c->model('Release')->find_by_label($label->id, shift, shift);
         });
 
     $c->model('ArtistCredit')->load(@$releases);
@@ -123,11 +133,32 @@ sub show : PathPart('') Chained('load')
     $c->model('MediumFormat')->load(map { $_->all_mediums } @$releases);
     $c->model('ReleaseLabel')->load(@$releases);
 
+    my (@renamed_from, @renamed_into);
+
+    for my $rel (@{ $label->relationships }) {
+        if ($rel->link->type->gid eq $LABEL_RENAME_LINK_TYPE) {
+            if ($rel->direction == $DIRECTION_FORWARD) {
+                push @renamed_into, $rel->target;
+            } else {
+                push @renamed_from, $rel->target;
+            }
+        }
+    }
+
+    if (@renamed_from || @renamed_into) {
+        $c->model('Relationship')->load_subset(
+            ['label'],
+            @renamed_from, @renamed_into,
+        );
+    }
+
     my %props = (
-        label             => $c->stash->{label}->TO_JSON,
+        label             => $label->TO_JSON,
         numberOfRevisions => $c->stash->{number_of_revisions},
         pager             => serialize_pager($c->stash->{pager}),
         releases          => to_json_array($releases),
+        renamedFrom       => to_json_array(\@renamed_from),
+        renamedInto       => to_json_array(\@renamed_into),
         wikipediaExtract  => to_json_object($c->stash->{wikipedia_extract}),
     );
 

root/artist/ArtistIndex.js

@@ -17,33 +17,20 @@ import {type FilterFormT}
   from '../static/scripts/common/components/FilterForm';
 import WikipediaExtract
   from '../static/scripts/common/components/WikipediaExtract';
-import {addColonText} from '../static/scripts/common/i18n/addColon';
 import commaOnlyList, {commaOnlyListText}
   from '../static/scripts/common/i18n/commaOnlyList';
 import {bracketedText} from '../static/scripts/common/utility/bracketed';
 import FormSubmit from '../components/FormSubmit';
 import RecordingList from '../components/list/RecordingList';
 import ReleaseGroupList from '../components/list/ReleaseGroupList';
 import PaginatedResults from '../components/PaginatedResults';
+import RelatedEntitiesDisplay from '../components/RelatedEntitiesDisplay';
 import * as manifest from '../static/manifest';
 import entityHref from '../static/scripts/common/utility/entityHref';
 import {returnToCurrentPage} from '../utility/returnUri';
 
 import ArtistLayout from './ArtistLayout';
 
-type RelatedArtistsProps = {
-  +children: React$Node,
-  +title: string,
-};
-
-const RelatedArtists = ({children, title}: RelatedArtistsProps) => (
-  <p>
-    <strong>{addColonText(title)}</strong>
-    {' '}
-    {children}
-  </p>
-);
-
 type FooterSwitchProps = {
   +artist: ArtistT,
   +hasDefault: boolean,
@@ -244,27 +231,27 @@ const ArtistIndex = ({
       />
 
       {legalName ? (
-        <RelatedArtists title={l('Legal name')}>
+        <RelatedEntitiesDisplay title={l('Legal name')}>
           <DescriptiveLink entity={legalName} />
           {legalNameArtistAliases
             ? ' ' + bracketedText(commaOnlyListText(legalNameArtistAliases))
             : null}
-        </RelatedArtists>
+        </RelatedEntitiesDisplay>
 
       ) : legalNameAliases?.length ? (
-        <RelatedArtists title={l('Legal name')}>
+        <RelatedEntitiesDisplay title={l('Legal name')}>
           {commaOnlyListText(legalNameAliases)}
-        </RelatedArtists>
+        </RelatedEntitiesDisplay>
       ) : null}
 
       {otherIdentities?.length ? (
-        <RelatedArtists title={l('Also performs as')}>
+        <RelatedEntitiesDisplay title={l('Also performs as')}>
           {commaOnlyList(
             otherIdentities.map(a => (
               <DescriptiveLink entity={a} key={a.id} />
             )),
           )}
-        </RelatedArtists>
+        </RelatedEntitiesDisplay>
       ) : null}
 
       <WikipediaExtract

root/components/RelatedEntitiesDisplay.js

@@ -0,0 +1,27 @@
+/*
+ * @flow strict
+ * Copyright (C) 2020 MetaBrainz Foundation
+ *
+ * This file is part of MusicBrainz, the open internet music database,
+ * and is licensed under the GPL version 2, or (at your option) any
+ * later version: http://www.gnu.org/licenses/gpl-2.0.txt
+ */
+
+import * as React from 'react';
+
+type Props = {
+  +children: React$Node,
+  +title: string,
+};
+
+const RelatedEntitiesDisplay = (
+  {children, title}: Props,
+): React.Element<'p'> => (
+  <p>
+    <strong>{addColonText(title)}</strong>
+    {' '}
+    {children}
+  </p>
+);
+
+export default RelatedEntitiesDisplay;

root/label/LabelIndex.js

@@ -13,9 +13,13 @@ import CleanupBanner from '../components/CleanupBanner';
 import FormRow from '../components/FormRow';
 import FormSubmit from '../components/FormSubmit';
 import PaginatedResults from '../components/PaginatedResults';
+import DescriptiveLink
+  from '../static/scripts/common/components/DescriptiveLink';
 import WikipediaExtract
   from '../static/scripts/common/components/WikipediaExtract';
+import commaOnlyList from '../static/scripts/common/i18n/commaOnlyList';
 import ReleaseList from '../components/list/ReleaseList';
+import RelatedEntitiesDisplay from '../components/RelatedEntitiesDisplay';
 import * as manifest from '../static/manifest';
 import Annotation from '../static/scripts/common/components/Annotation';
 import {returnToCurrentPage} from '../utility/returnUri';
@@ -29,6 +33,8 @@ type Props = {
   +numberOfRevisions: number,
   +pager: PagerT,
   +releases: ?$ReadOnlyArray<ReleaseT>,
+  +renamedFrom: $ReadOnlyArray<LabelT>,
+  +renamedInto: $ReadOnlyArray<LabelT>,
   +wikipediaExtract: WikipediaExtractT | null,
 };
 
@@ -39,6 +45,8 @@ const LabelIndex = ({
   numberOfRevisions,
   pager,
   releases,
+  renamedFrom,
+  renamedInto,
   wikipediaExtract,
 }: Props): React.Element<typeof LabelLayout> => (
   <LabelLayout entity={label} page="index">
@@ -51,6 +59,20 @@ const LabelIndex = ({
       entity={label}
       numberOfRevisions={numberOfRevisions}
     />
+    {renamedFrom.length ? (
+      <RelatedEntitiesDisplay title={l('Previously known as')}>
+        {commaOnlyList(renamedFrom.map(
+          label => <DescriptiveLink entity={label} key={label.gid} />,
+        ))}
+      </RelatedEntitiesDisplay>
+    ) : null}
+    {renamedInto.length ? (
+      <RelatedEntitiesDisplay title={l('Renamed to')}>
+        {commaOnlyList(renamedInto.map(
+          label => <DescriptiveLink entity={label} key={label.gid} />,
+        ))}
+      </RelatedEntitiesDisplay>
+    ) : null}
     <WikipediaExtract
       cachedWikipediaExtract={wikipediaExtract}
       entity={label}