mattermost-mobile/app/selectors/permissions.ts
2021-06-03 14:59:42 -04:00

84 lines
2.9 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {createSelector} from 'reselect';
import {Permissions} from '@mm-redux/constants';
import {getCurrentUser} from '@mm-redux/selectors/entities/common';
import {getMyChannelRoles, getMySystemPermissions, getMyTeamRoles, getRoles} from '@mm-redux/selectors/entities/roles';
import {isPostOwner} from '@mm-redux/utils/post_utils';
import type {Post} from '@mm-redux/types/posts';
import type {GlobalState} from '@mm-redux/types/store';
export const getMyTeamPermissions = createSelector(
getMyTeamRoles,
getRoles,
getMySystemPermissions,
(state: GlobalState, team_id: string) => team_id,
(myTeamRoles, roles, systemPermissions, teamId) => {
const permissions = new Set<string>();
let roleFound = false;
if (myTeamRoles[teamId!]) {
for (const roleName of myTeamRoles[teamId!]) {
if (roles[roleName]) {
for (const permission of roles[roleName].permissions) {
permissions.add(permission);
}
roleFound = true;
}
}
}
for (const permission of systemPermissions) {
permissions.add(permission);
}
return {permissions, roleFound};
},
);
export const getMyChannelPermissions = createSelector(
getMyChannelRoles,
getRoles,
getMyTeamPermissions,
(_, team_id: string) => team_id,
(_, __, channel_id: string) => channel_id,
(myChannelRoles, roles, {permissions: teamPermissions, roleFound: teamRoleFound}, team_id, channel_id) => {
const permissions = new Set<string>();
let roleFound = false;
if (myChannelRoles[channel_id!]) {
for (const roleName of myChannelRoles[channel_id!]) {
if (roles[roleName]) {
for (const permission of roles[roleName].permissions) {
permissions.add(permission);
}
roleFound = teamRoleFound || !team_id;
}
}
}
for (const permission of teamPermissions) {
permissions.add(permission);
}
return {permissions, roleFound};
},
);
export const canDeletePost = createSelector(
getCurrentUser,
getMyChannelPermissions,
(state, _, __, post: Post) => post,
(state, _, __, ___, defaultValue: boolean) => defaultValue,
(currentUser, roles, post, defaultValue) => {
if (!post) {
return false;
}
const isOwner = isPostOwner(currentUser.id, post);
const permission = isOwner ? Permissions.DELETE_POST : Permissions.DELETE_OTHERS_POSTS;
const hasPermission = roles.permissions.has(permission);
if (roles.roleFound) {
return hasPermission;
}
return hasPermission || defaultValue;
},
);