70 lines
2.9 KiB
TypeScript
70 lines
2.9 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { mapValues, pickBy } from 'lodash';
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import { groupBy, map, filter } from './iterables';
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import { getOwn } from './getOwn';
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import type { ConversationType } from '../state/ducks/conversations';
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import { isConversationNameKnown } from './isConversationNameKnown';
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import { isInSystemContacts } from './isInSystemContacts';
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export type GroupNameCollisionsWithIdsByTitle = Record<string, Array<string>>;
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export type GroupNameCollisionsWithConversationsByTitle = Record<
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string,
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Array<ConversationType>
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>;
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export type GroupNameCollisionsWithTitlesById = Record<string, string>;
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export const dehydrateCollisionsWithConversations = (
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withConversations: Readonly<GroupNameCollisionsWithConversationsByTitle>
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): GroupNameCollisionsWithIdsByTitle =>
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mapValues(withConversations, conversations => conversations.map(c => c.id));
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export function getCollisionsFromMemberships(
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memberships: Iterable<{ member: ConversationType }>
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): GroupNameCollisionsWithConversationsByTitle {
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const members = map(memberships, membership => membership.member);
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const candidateMembers = filter(
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members,
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member => !member.isMe && isConversationNameKnown(member)
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);
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const groupedByTitle = groupBy(candidateMembers, member => member.title);
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// This cast is here because `pickBy` returns a `Partial`, which is incompatible with
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// `Record`. [This demonstates the problem][0], but I don't believe it's an actual
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// issue in the code.
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//
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// Alternatively, we could filter undefined keys or something like that.
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//
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// [0]: https://www.typescriptlang.org/play?#code/C4TwDgpgBAYg9nKBeKAFAhgJ2AS3QGwB4AlCAYzkwBNCBnYTHAOwHMAaKJgVwFsAjCJgB8QgNwAoCk3pQAZgC5YCZFADeUABY5FAVigBfCeNCQoAISwrSFanQbN2nXgOESpMvoouYVs0UA
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return pickBy(
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groupedByTitle,
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group =>
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group.length >= 2 && !group.every(person => isInSystemContacts(person))
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) as unknown as GroupNameCollisionsWithConversationsByTitle;
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}
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/**
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* Returns `true` if the user should see a group member name collision warning, and
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* `false` otherwise. Users should see these warnings if any collisions appear that they
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* haven't dismissed.
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*/
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export const hasUnacknowledgedCollisions = (
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previous: Readonly<GroupNameCollisionsWithIdsByTitle>,
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current: Readonly<GroupNameCollisionsWithIdsByTitle>
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): boolean =>
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Object.entries(current).some(([title, currentIds]) => {
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const previousIds = new Set(getOwn(previous, title) || []);
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return currentIds.some(currentId => !previousIds.has(currentId));
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});
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export const invertIdsByTitle = (
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idsByTitle: Readonly<GroupNameCollisionsWithIdsByTitle>
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): GroupNameCollisionsWithTitlesById => {
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const result: GroupNameCollisionsWithTitlesById = Object.create(null);
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Object.entries(idsByTitle).forEach(([title, ids]) => {
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ids.forEach(id => {
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result[id] = title;
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});
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});
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return result;
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};
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