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import {empty} from '../../util/sugar.js';
function groupRelationships(album) {
return album.groups.map(group => {
const albums = group.albums.filter(album => album.date);
const index = albums.indexOf(album);
const previousAlbum = (index > 0) && albums[index - 1];
const nextAlbum = (index < albums.length - 1) && albums[index + 1];
return {group, previousAlbum, nextAlbum};
});
}
export default {
contentDependencies: [
'linkAlbum',
'linkExternal',
'linkGroup',
'linkTrack',
],
extraDependencies: [
'getColors',
'html',
'language',
'transformMultiline',
],
relations(relation, album, track) {
const relations = {};
relations.albumLink =
relation('linkAlbum', album);
relations.trackLinks =
album.trackSections.map(trackSection =>
trackSection.tracks.map(track =>
relation('linkTrack', track)));
relations.groupLinks =
groupRelationships(album)
.map(({group, previousAlbum, nextAlbum}) => ({
groupLink:
relation('linkGroup', group),
externalLinks:
group.urls.map(url =>
relation('linkExternal', url)),
previousAlbumLink:
previousAlbum &&
relation('linkAlbum', previousAlbum),
nextAlbumLink:
nextAlbum &&
relation('linkAlbum', nextAlbum),
}))
return relations;
},
data(album, track) {
const data = {};
data.isAlbumPage = !track;
data.isTrackPage = !!track;
data.hasTrackNumbers = album.hasTrackNumbers;
data.trackSectionInfo =
album.trackSections.map(trackSection => ({
name: trackSection.name,
color: trackSection.color,
isDefaultTrackSection: trackSection.isDefaultTrackSection,
firstTrackNumber: trackSection.startIndex + 1,
lastTrackNumber: trackSection.startIndex + trackSection.tracks.length,
includesCurrentTrack: track && trackSection.tracks.includes(track),
currentTrackIndex: trackSection.tracks.indexOf(track),
}));
data.groupInfo =
album.groups.map(group => ({
description: group.descriptionShort,
}));
return data;
},
generate(data, relations, {
getColors,
html,
language,
transformMultiline,
}) {
const {isTrackPage, isAlbumPage} = data;
const trackListPart = html.tags([
html.tag('h1', relations.albumLink),
data.trackSectionInfo.map(
({
name,
color,
isDefaultTrackSection,
firstTrackNumber,
lastTrackNumber,
includesCurrentTrack,
currentTrackIndex,
}, index) => {
const trackLinks = relations.trackLinks[index];
const sectionName =
html.tag('span', {class: 'group-name'},
(isDefaultTrackSection
? language.$('albumSidebar.trackList.fallbackSectionName')
: name));
let style;
if (color) {
const {primary} = getColors(color);
style = `--primary-color: ${primary}`;
}
const trackListItems =
trackLinks.map((trackLink, index) =>
html.tag('li',
{
class:
includesCurrentTrack &&
index === currentTrackIndex &&
'current',
},
language.$('albumSidebar.trackList.item', {
track: trackLink,
})));
return html.tag('details',
{
class: includesCurrentTrack && 'current',
open: (
// Leave sidebar track sections collapsed on album info page,
// since there's already a view of the full track listing
// in the main content area.
isTrackPage &&
// Only expand the track section which includes the track
// currently being viewed by default.
includesCurrentTrack),
},
[
html.tag('summary', {style},
html.tag('span',
(data.hasTrackNumbers
? language.$('albumSidebar.trackList.group.withRange', {
group: sectionName,
range: `${firstTrackNumber}–${lastTrackNumber}`
})
: language.$('albumSidebar.trackList.group', {
group: sectionName,
})))),
(data.hasTrackNumbers
? html.tag('ol',
{start: firstTrackNumber},
trackListItems)
: html.tag('ul', trackListItems)),
]);
}),
]);
const groupParts = data.groupInfo.map(
({description}, index) => {
const links = relations.groupLinks[index];
return html.tags([
html.tag('h1',
language.$('albumSidebar.groupBox.title', {
group: links.groupLink,
})),
isAlbumPage &&
transformMultiline(description),
!empty(links.externalLinks) &&
html.tag('p',
language.$('releaseInfo.visitOn', {
links: language.formatDisjunctionList(links.externalLinks),
})),
isAlbumPage &&
links.nextAlbumLink &&
html.tag('p', {class: 'group-chronology-link'},
language.$('albumSidebar.groupBox.next', {
album: links.nextAlbumLink,
})),
isAlbumPage &&
links.previousAlbumLink &&
html.tag('p', {class: 'group-chronology-link'},
language.$('albumSidebar.groupBox.previous', {
album: links.previousAlbumLink,
})),
]);
});
if (isAlbumPage) {
return {
// leftSidebarStickyMode: 'last',
leftSidebarMultiple: [
...groupParts.map(groupPart => ({content: groupPart})),
{content: trackListPart},
],
};
} else {
return {
// leftSidebarStickyMode: 'column',
leftSidebarMultiple: [
{content: trackListPart},
// ...groupParts.map(groupPart => ({content: groupPart})),
{
content:
groupParts
.flatMap((part, i) => [
part,
i < groupParts.length - 1 &&
html.tag('hr', {
style: `border-color: var(--primary-color); border-style: none none dotted none`
})
])
.filter(Boolean),
},
],
};
}
},
};
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