text: import { Meteor } from 'meteor/meteor';
  import { ReactiveVar } from 'meteor/reactive-var';
  import { Tracker } from 'meteor/tracker';
  import { Template } from 'meteor/templating';
  import { Roles } from 'meteor/rocketchat:models';
  import { ChatPermissions } from '../lib/ChatPermissions';
  import { hasAllPermission } from '../hasPermission';
  
  Template.permissions.helpers({
  	role() {
  		return Template.instance().roles.get();
  	},
  
  	permission() {
  		return ChatPermissions.find({}, {
  			sort: {
  				_id: 1,
  			},
  		});
  	},
  
  	granted(roles) {
  		if (roles) {
  			if (roles.indexOf(this._id) !== -1) {
  				return 'checked';
  			}
  		}
  	},
  
  	permissionName() {
  		return `${ this._id }`;
  	},
  
  	permissionDescription() {
  		return `${ this._id }_description`;
  	},
  
  	hasPermission() {
  		return hasAllPermission('access-permissions');
  	},
  });
  
  Template.permissions.events({
  	'click .role-permission'(e, instance) {
  		const permission = e.currentTarget.getAttribute('data-permission');
  		const role = e.currentTarget.getAttribute('data-role');
  
  		if (instance.permissionByRole[permission].indexOf(role) === -1) {
  			return Meteor.call('authorization:addPermissionToRole', permission, role);
  		} else {
  			return Meteor.call('authorization:removeRoleFromPermission', permission, role);
  		}
  	},
  });
  
  Template.permissions.onCreated(function() {
  	this.roles = new ReactiveVar([]);
  	this.permissionByRole = {};
  	this.actions = {
  		added: {},
  		removed: {},
  	};
  
  	Tracker.autorun(() => {
  		this.roles.set(Roles.find().fetch());
  	});
  
  	Tracker.autorun(() => {
  		ChatPermissions.find().observeChanges({
  			added: (id, fields) => {
  				this.permissionByRole[id] = fields.roles;
  			},
  			changed: (id, fields) => {
  				this.permissionByRole[id] = fields.roles;
  			},
  			removed: (id) => {
  				delete this.permissionByRole[id];
  			},
  		});
  	});
  });
  