Meteor.methods({

deleteUser(userId) {

check(userId, String);

if (!Meteor.userId()) {

throw new Meteor.Error('error-invalid-user', 'Invalid user', {

method: 'deleteUser'

});

}

if (RocketChat.authz.hasPermission(Meteor.userId(), 'delete-user') !== true) {

throw new Meteor.Error('error-not-allowed', 'Not allowed', {

method: 'deleteUser'

});

}

const user = RocketChat.models.Users.findOneById(userId);

if (!user) {

throw new Meteor.Error('error-invalid-user', 'Invalid user', {

method: 'deleteUser'

});

}

const adminCount = Meteor.users.find({roles: 'admin'}).count();

const userIsAdmin = user.roles.indexOf('admin') > -1;

if (adminCount === 1 && userIsAdmin) {

throw new Meteor.Error('error-action-not-allowed', 'Leaving the app without admins is not allowed', {

method: 'deleteUser',

action: 'Remove_last_admin'

});

}

RocketChat.deleteUser(userId);

return true;

}

});