71 lines
1.9 KiB
TypeScript
71 lines
1.9 KiB
TypeScript
import { RoomMember } from 'matrix-js-sdk';
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import { useCallback, useMemo } from 'react';
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import { useTranslation } from 'react-i18next';
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export const MemberSort = {
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Ascending: (a: RoomMember, b: RoomMember) =>
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a.name.toLowerCase() < b.name.toLowerCase() ? -1 : 1,
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Descending: (a: RoomMember, b: RoomMember) =>
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a.name.toLowerCase() > b.name.toLowerCase() ? -1 : 1,
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NewestFirst: (a: RoomMember, b: RoomMember) =>
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(b.events.member?.getTs() ?? 0) - (a.events.member?.getTs() ?? 0),
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Oldest: (a: RoomMember, b: RoomMember) =>
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(a.events.member?.getTs() ?? 0) - (b.events.member?.getTs() ?? 0),
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};
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export type MemberSortFn = (a: RoomMember, b: RoomMember) => number;
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export type MemberSortItem = {
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name: string;
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sortFn: MemberSortFn;
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};
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export const useMemberSortMenu = (): MemberSortItem[] => {
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const { t } = useTranslation();
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return useMemo(
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() => [
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{
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name: t('RoomSettings.sort_a_to_z'),
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sortFn: MemberSort.Ascending,
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},
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{
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name: t('RoomSettings.sort_z_to_a'),
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sortFn: MemberSort.Descending,
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},
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{
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name: t('RoomSettings.sort_newest'),
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sortFn: MemberSort.NewestFirst,
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},
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{
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name: t('RoomSettings.sort_oldest'),
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sortFn: MemberSort.Oldest,
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},
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],
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[t]
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);
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};
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export const useMemberSort = (index: number, memberSort: MemberSortItem[]): MemberSortItem => {
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const item = memberSort[index] ?? memberSort[0];
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return item;
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};
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export const useMemberPowerSort = (
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creators: Set<string>,
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getPowerLevel: (userId: string) => number
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): MemberSortFn => {
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const sort: MemberSortFn = useCallback(
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(a, b) => {
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if (creators.has(a.userId) && creators.has(b.userId)) {
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return 0;
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}
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if (creators.has(a.userId)) return -1;
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if (creators.has(b.userId)) return 1;
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return getPowerLevel(b.userId) - getPowerLevel(a.userId);
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},
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[creators, getPowerLevel]
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);
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return sort;
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};
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