mattermost-mobile/app/actions/remote/role.ts

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

import DatabaseManager from '@database/manager';
import NetworkManager from '@init/network_manager';
import {queryRoles} from '@queries/servers/role';

import {forceLogoutIfNecessary} from './session';

export type RolesRequest = {
    error?: never;
    roles?: Role[];
}

export const fetchRolesIfNeeded = async (serverUrl: string, updatedRoles: string[]): Promise<RolesRequest> => {
    if (!updatedRoles.length) {
        return {roles: []};
    }

    let client;
    try {
        client = NetworkManager.getClient(serverUrl);
    } catch (error) {
        return {error};
    }

    const database = DatabaseManager.serverDatabases[serverUrl].database;
    const operator = DatabaseManager.serverDatabases[serverUrl].operator;
    const existingRoles = await queryRoles(database);

    const roleNames = existingRoles.map((role) => {
        return role.name;
    });

    const newRoles = updatedRoles.filter((newRole) => {
        return !roleNames.includes(newRole);
    });

    if (!newRoles.length) {
        return {roles: []};
    }

    try {
        const roles = await client.getRolesByNames(newRoles);

        if (roles.length) {
            await operator.handleRole({
                roles,
                prepareRecordsOnly: false,
            });
        }

        return {roles};
    } catch (error) {
        forceLogoutIfNecessary(serverUrl, error);
        return {error};
    }
};