pleroma/app/soapbox/hooks/useGroups.ts
2023-03-09 12:36:20 -06:00

83 lines
No EOL
2.5 KiB
TypeScript

import { useEffect } from 'react';
import { useEntities, useEntity } from 'soapbox/entity-store/hooks';
import { normalizeGroup, normalizeGroupRelationship } from 'soapbox/normalizers';
import type { Group, GroupRelationship } from 'soapbox/types/entities';
// HACK: normalizers currently don't have the desired API.
// TODO: rewrite normalizers as Zod parsers.
const parseGroup = (entity: unknown) => normalizeGroup(entity as Record<string, any>);
const parseGroupRelationship = (entity: unknown) => normalizeGroupRelationship(entity as Record<string, any>);
function useGroups() {
const result = useEntities<Group>(['Group', ''], '/api/v1/groups', { parser: parseGroup });
const { entities, isLoading, fetchEntities } = result;
const { entities: relationships } = useGroupRelationships(entities.map(entity => entity.id));
// Note: we have to fetch them in the hook right now because I haven't implemented
// max-age or cache expiry in the entity store yet. It's planned.
useEffect(() => {
if (!isLoading) {
fetchEntities();
}
}, []);
const groups = entities.map((group) => {
// TODO: a generalistic useRelationships() hook that returns a map of values (would be faster).
const relationship = relationships.find(r => r.id === group.id);
if (relationship) {
return group.set('relationship', relationship);
}
return group;
});
return {
...result,
groups,
};
}
function useGroup(groupId: string) {
const result = useEntity<Group>(['Group', groupId], `/api/v1/groups/${groupId}`, { parser: parseGroup });
const { entity, isLoading, fetchEntity } = result;
const { relationship } = useGroupRelationship(groupId);
useEffect(() => {
if (!isLoading) {
fetchEntity();
}
}, []);
return {
...result,
group: entity?.set('relationship', relationship),
};
}
function useGroupRelationship(groupId: string) {
const { relationships, ...rest } = useGroupRelationships([groupId]);
return {
...rest,
relationship: relationships[0],
};
}
function useGroupRelationships(groupIds: string[]) {
const q = groupIds.map(id => `id[]=${id}`).join('&');
const result = useEntities<GroupRelationship>(['GroupRelationship', ''], `/api/v1/groups/relationships?${q}`, { parser: parseGroupRelationship });
const { entities, isLoading, fetchEntities } = result;
useEffect(() => {
if (!isLoading) {
fetchEntities();
}
}, groupIds);
return {
...result,
relationships: entities,
};
}
export { useGroup, useGroups };