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Lotus CIandClaude Opus 5.5 15f2fcc4d1 fix(moderation): policy viewer lists a stable rule and its legacy twin once (#321)
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dedupePolicyEntries keyed on the raw recommendation, so m.ban and
org.matrix.mjolnir.ban for the same entity never matched and the rule
showed twice (both labelled "Ban"). Key on the normalised value; move
the pure helpers to policyEntries.ts with unit tests.

Fixes #321

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5
2026-10-17 20:28:34 -04:00
4 changed files with 202 additions and 216 deletions
@@ -17,6 +17,7 @@ import { Page, PageContent, PageHeader } from '../../components/page';
import { useMatrixClient } from '../../hooks/useMatrixClient';
import { SequenceCard } from '../../components/sequence-card';
import { SequenceCardStyle } from '../common-settings/styles.css';
import { dedupePolicyEntries, PolicyEntry, recommendationLabel } from './policyEntries';
// ── Policy event types ────────────────────────────────────────────────────────
@@ -38,13 +39,6 @@ type PolicyRuleContent = {
recommendation?: string;
};
type PolicyEntry = {
entity: string;
reason: string;
recommendation: string;
stateKey: string;
};
type PolicyTab = 'users' | 'rooms' | 'servers';
// ── Helpers ───────────────────────────────────────────────────────────────────
@@ -53,13 +47,6 @@ function isGlob(entity: string): boolean {
return entity.includes('*') || entity.includes('?');
}
function recommendationLabel(rec: string): string {
// `m.ban` is the stable value; `org.matrix.mjolnir.ban` is the legacy
// (pre-stabilization) recommendation still emitted by older bots.
if (rec === 'm.ban' || rec === 'org.matrix.mjolnir.ban') return 'Ban';
return rec;
}
/**
* Fetch all state events of a given type from a room's live forward state.
* Uses the raw matrix-js-sdk `getStateEvents` API which accepts any string type.
@@ -84,23 +71,6 @@ function extractPolicyEntries(events: MatrixEvent[]): PolicyEntry[] {
.filter((entry) => entry.entity !== '');
}
/**
* Merge policy entries from the stable and legacy event types for a rule
* kind, de-duplicating by entity+recommendation so a room that emits both a
* stable and a legacy rule for the same target isn't double-listed.
*/
export function dedupePolicyEntries(entries: PolicyEntry[]): PolicyEntry[] {
const seen = new Set<string>();
const result: PolicyEntry[] = [];
entries.forEach((entry) => {
const key = `${entry.entity} ${entry.recommendation}`;
if (seen.has(key)) return;
seen.add(key);
result.push(entry);
});
return result;
}
// ── Entry row ─────────────────────────────────────────────────────────────────
function PolicyEntryRow({ entry }: { entry: PolicyEntry }) {
@@ -0,0 +1,32 @@
import { test } from 'node:test';
import assert from 'node:assert/strict';
import { dedupePolicyEntries, recommendationLabel } from './policyEntries';
const e = (entity: string, recommendation: string, stateKey = entity) => ({
entity,
reason: 'spam waves',
recommendation,
stateKey,
});
test('dedupePolicyEntries: a stable rule and its legacy twin show once (#321)', () => {
const out = dedupePolicyEntries([
e('@spammer:evil.example', 'm.ban'),
e('@spammer:evil.example', 'org.matrix.mjolnir.ban'),
e('@*:spam.example', 'm.ban'),
]);
assert.deepEqual(
out.map((x) => x.entity),
['@spammer:evil.example', '@*:spam.example'],
);
});
test('dedupePolicyEntries: different recommendations stay separate', () => {
assert.equal(dedupePolicyEntries([e('@a:x', 'm.ban'), e('@a:x', 'org.example.mute')]).length, 2);
});
test('recommendationLabel', () => {
assert.equal(recommendationLabel('m.ban'), 'Ban');
assert.equal(recommendationLabel('org.matrix.mjolnir.ban'), 'Ban');
assert.equal(recommendationLabel('org.example.mute'), 'org.example.mute');
});
@@ -0,0 +1,35 @@
export type PolicyEntry = {
entity: string;
reason: string;
recommendation: string;
stateKey: string;
};
/**
* `m.ban` is the stable value; `org.matrix.mjolnir.ban` is the legacy
* (pre-stabilization) recommendation still emitted by older bots.
*/
export const normalizeRecommendation = (rec: string): string =>
rec === 'org.matrix.mjolnir.ban' ? 'm.ban' : rec;
export function recommendationLabel(rec: string): string {
if (normalizeRecommendation(rec) === 'm.ban') return 'Ban';
return rec;
}
/**
* Merge stable and legacy rule lists, one entry per entity + recommendation.
* [Gitea #321] Keyed on the normalised recommendation: a bot publishing both
* `m.ban` and its `org.matrix.mjolnir.ban` twin showed the rule twice.
*/
export function dedupePolicyEntries(entries: PolicyEntry[]): PolicyEntry[] {
const seen = new Set<string>();
const result: PolicyEntry[] = [];
entries.forEach((entry) => {
const key = `${entry.entity} ${normalizeRecommendation(entry.recommendation)}`;
if (seen.has(key)) return;
seen.add(key);
result.push(entry);
});
return result;
}
+134 -185
View File
@@ -255,8 +255,6 @@ function HomeCustomSection({
return (localName ?? matrixName).toLowerCase().includes(query);
});
}, [mx, section.rooms, closed, roomsWithUnreadSet, selectedRoomId, filterQuery]);
// [Gitea #289] While filtering, a section with no matches is hidden.
if (filterQuery.trim() && items.length === 0) return null;
// Sections are user-curated and small, so they render plainly — no
// virtualizer per section (a late-mounted one never measured its scroller).
return (
@@ -445,26 +443,6 @@ export function Home() {
});
}, [mx, sortedRooms, filterQuery]);
// [Gitea #289] While filtering, hide empty sections; with no match at all,
// say so instead of leaving bare headers.
const filtering = filterQuery.trim().length > 0;
const customSectionMatch = useMemo(() => {
if (!filtering) return true;
const query = filterQuery.toLowerCase();
const localNames = getLocalRoomNamesContent(mx);
return customSections.some((section) =>
section.rooms.some((rId) =>
(localNames.rooms[rId] ?? mx.getRoom(rId)?.name ?? '').toLowerCase().includes(query),
),
);
}, [mx, customSections, filtering, filterQuery]);
const noFilterMatch =
filtering &&
!customSectionMatch &&
filteredFavoriteRooms.length === 0 &&
filteredRooms.length === 0 &&
filteredLowPriorityRooms.length === 0;
const favVirtualizer = useVirtualizer({
count: filteredFavoriteRooms.length,
getScrollElement: () => scrollRef.current,
@@ -602,7 +580,7 @@ export function Home() {
/>
</Box>
</NavCategory>
{favoriteRooms.length > 0 && (!filtering || filteredFavoriteRooms.length > 0) && (
{favoriteRooms.length > 0 && (
<NavCategory>
<NavCategoryHeader>
<RoomNavCategoryButton
@@ -651,171 +629,142 @@ export function Home() {
notificationPreferences={notificationPreferences}
/>
))}
{noFilterMatch && (
<NavCategory>
<Box
direction="Column"
alignItems="Center"
gap="200"
style={{ padding: config.space.S400 }}
<NavCategory>
<NavCategoryHeader>
<RoomNavCategoryButton
closed={closedCategories.has(DEFAULT_CATEGORY_ID)}
data-category-id={DEFAULT_CATEGORY_ID}
onClick={handleCategoryClick}
>
<Text size="T300" priority="300" align="Center">
No rooms match &ldquo;{filterQuery.trim()}&rdquo;
</Text>
<Button
size="300"
variant="Secondary"
fill="Soft"
radii="300"
onClick={() => setFilterQuery('')}
>
<Text size="B300">Clear filter</Text>
</Button>
</Box>
</NavCategory>
)}
{(!filtering || filteredRooms.length > 0) && (
<NavCategory>
<NavCategoryHeader>
<RoomNavCategoryButton
closed={closedCategories.has(DEFAULT_CATEGORY_ID)}
data-category-id={DEFAULT_CATEGORY_ID}
onClick={handleCategoryClick}
>
Rooms
</RoomNavCategoryButton>
{!closedCategories.has(DEFAULT_CATEGORY_ID) && (
<>
<IconButton
aria-expanded={!!sortMenuAnchor}
aria-haspopup="menu"
variant="Background"
fill="None"
size="300"
radii="300"
onClick={(evt: React.MouseEvent<HTMLButtonElement>) => {
const cords = evt.currentTarget.getBoundingClientRect();
setSortMenuAnchor((current) => (current ? undefined : cords));
}}
aria-label="Sort rooms"
>
<Icon src={Icons.Sort} size="100" />
</IconButton>
<PopOut
anchor={sortMenuAnchor}
position="Bottom"
align="End"
offset={6}
content={
<FocusTrap
focusTrapOptions={{
initialFocus: false,
onDeactivate: () => setSortMenuAnchor(undefined),
clickOutsideDeactivates: true,
isKeyForward: (evt: KeyboardEvent) => evt.key === 'ArrowDown',
isKeyBackward: (evt: KeyboardEvent) => evt.key === 'ArrowUp',
escapeDeactivates: stopPropagation,
}}
>
<Menu style={{ maxWidth: toRem(180), width: '100vw' }}>
<Box
direction="Column"
gap="100"
style={{ padding: config.space.S100 }}
Rooms
</RoomNavCategoryButton>
{!closedCategories.has(DEFAULT_CATEGORY_ID) && (
<>
<IconButton
aria-expanded={!!sortMenuAnchor}
aria-haspopup="menu"
variant="Background"
fill="None"
size="300"
radii="300"
onClick={(evt: React.MouseEvent<HTMLButtonElement>) => {
const cords = evt.currentTarget.getBoundingClientRect();
setSortMenuAnchor((current) => (current ? undefined : cords));
}}
aria-label="Sort rooms"
>
<Icon src={Icons.Sort} size="100" />
</IconButton>
<PopOut
anchor={sortMenuAnchor}
position="Bottom"
align="End"
offset={6}
content={
<FocusTrap
focusTrapOptions={{
initialFocus: false,
onDeactivate: () => setSortMenuAnchor(undefined),
clickOutsideDeactivates: true,
isKeyForward: (evt: KeyboardEvent) => evt.key === 'ArrowDown',
isKeyBackward: (evt: KeyboardEvent) => evt.key === 'ArrowUp',
escapeDeactivates: stopPropagation,
}}
>
<Menu style={{ maxWidth: toRem(180), width: '100vw' }}>
<Box
direction="Column"
gap="100"
style={{ padding: config.space.S100 }}
>
<MenuItem
onClick={() => {
setHomeRoomSort('recent');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'recent' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<MenuItem
onClick={() => {
setHomeRoomSort('recent');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'recent' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
Recent Activity
</Text>
</MenuItem>
<MenuItem
onClick={() => {
setHomeRoomSort('alpha');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'alpha' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
A → Z
</Text>
</MenuItem>
<MenuItem
onClick={() => {
setHomeRoomSort('unread');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'unread' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
Unread First
</Text>
</MenuItem>
</Box>
</Menu>
</FocusTrap>
}
/>
</>
)}
</NavCategoryHeader>
<div
style={{
position: 'relative',
height: virtualizer.getTotalSize(),
}}
>
{virtualizer.getVirtualItems().map((vItem) => {
const roomId = filteredRooms[vItem.index];
const room = mx.getRoom(roomId);
if (!room) return null;
const selected = selectedRoomId === roomId;
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
Recent Activity
</Text>
</MenuItem>
<MenuItem
onClick={() => {
setHomeRoomSort('alpha');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'alpha' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
A → Z
</Text>
</MenuItem>
<MenuItem
onClick={() => {
setHomeRoomSort('unread');
setSortMenuAnchor(undefined);
}}
size="300"
after={
homeRoomSort === 'unread' ? (
<Icon size="100" src={Icons.Check} />
) : undefined
}
radii="300"
>
<Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
Unread First
</Text>
</MenuItem>
</Box>
</Menu>
</FocusTrap>
}
/>
</>
)}
</NavCategoryHeader>
<div
style={{
position: 'relative',
height: virtualizer.getTotalSize(),
}}
>
{virtualizer.getVirtualItems().map((vItem) => {
const roomId = filteredRooms[vItem.index];
const room = mx.getRoom(roomId);
if (!room) return null;
const selected = selectedRoomId === roomId;
return (
<VirtualTile
virtualItem={vItem}
key={roomId}
ref={virtualizer.measureElement}
>
<RoomNavItem
room={room}
selected={selected}
linkPath={getHomeRoomPath(getCanonicalAliasOrRoomId(mx, roomId))}
notificationMode={getRoomNotificationMode(
notificationPreferences,
room.roomId,
)}
/>
</VirtualTile>
);
})}
</div>
</NavCategory>
)}
{lowPriorityRooms.length > 0 && (!filtering || filteredLowPriorityRooms.length > 0) && (
return (
<VirtualTile virtualItem={vItem} key={roomId} ref={virtualizer.measureElement}>
<RoomNavItem
room={room}
selected={selected}
linkPath={getHomeRoomPath(getCanonicalAliasOrRoomId(mx, roomId))}
notificationMode={getRoomNotificationMode(
notificationPreferences,
room.roomId,
)}
/>
</VirtualTile>
);
})}
</div>
</NavCategory>
{lowPriorityRooms.length > 0 && (
<NavCategory>
<NavCategoryHeader>
<RoomNavCategoryButton