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import {compareDates, sortChronologically} from '#sort';
import {filterMultipleArrays, sortMultipleArrays, stitchArrays} from '#sugar';
export default {
contentDependencies: [
'generateListingPage',
'linkAlbum',
'linkGroup',
'linkGroupGallery',
],
extraDependencies: ['language', 'wikiData'],
sprawl({groupData}) {
return {groupData};
},
query({groupData}, spec) {
const groups = sortChronologically(groupData.slice());
const albums =
groups
.map(group =>
sortChronologically(
group.albums.filter(album => album.date),
{latestFirst: true}))
.map(albums => albums[0]);
filterMultipleArrays(groups, albums, (group, album) => album);
const dates = albums.map(album => album.date);
// Note: After this sort, the groups/dates arrays are misaligned with
// albums. That's OK only because we aren't doing anything further with
// the albums array.
sortMultipleArrays(groups, dates,
(groupA, groupB, dateA, dateB) =>
compareDates(dateA, dateB, {latestFirst: true}));
return {spec, groups, dates};
},
relations(relation, query) {
return {
page: relation('generateListingPage', query.spec),
groupLinks:
query.groups
.map(group => relation('linkGroup', group)),
};
},
data(query) {
return {
dates: query.dates,
};
},
generate(data, relations, {language}) {
return relations.page.slots({
type: 'rows',
rows:
stitchArrays({
groupLink: relations.groupLinks,
date: data.dates,
}).map(({groupLink, date}) => ({
group: groupLink,
date: language.formatDate(date),
})),
});
},
};
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