Get current user email meteor - meteor

Question

I am having a bit of difficulty getting the email of the current user in Meteor.
publish.js
Meteor.publish('allUsers', function(){
if(Roles.userIsInRole(this.userId, 'admin')) {
return Meteor.users.find({});
}
});
Meteor.publish('myMail', function(){ {
return Meteor.user().emails[0].address;
}
});
profile.html
<template name="Profile">
<h1> My Profile </h1>
{{#if currentUser}}
<p>{{currentUser.profile.firstName}}</p> <p>{{currentUser.roles}}</p>
<p>{{currentUser.userEmail}}</p>
{{/if}}
</template>
profile.js
Template.Profile.helpers({
users: function() {
return Meteor.users.find();
},
userEmail: function() {
return Meteor.user().emails[0].address;
}
});
Firstname and ._id display fine, emailaddress unfortunately does not. Does anyone have a tip? thanks!

Answer 1

Your 'myMail publication is both redundant and incorrect. You should either return a cursor (or an array of cursors), or observe a cursor and send handle the publication lifecycle yourself (a fairly advanced feature, irrelevant to your question). You are using it a-la Meteor.methods, and you should not really user Meteor.user() in a publication anyway.
It's redundant because Meteor's accounts package publishes the current user's emails field automatically.
In your template, you are treating userEmail as an attribute of the current user, instead of calling it as a helper.
I would advise to use a guard and make sure that the user actually has an email address, something in the lines of:
JS:
Template.Profile.helpers({
users: function() {
return Meteor.users.find();
},
userEmail: function(user) {
if (user.emails && user.emails.length > 0) {
return user.emails[0].address;
}
return 'no email';
}
});
HTML:
<template name="Profile">
<h1> My Profile </h1>
{{#if currentUser}}
<p>{{currentUser.profile.firstName}}</p> <p>{{currentUser.roles}}</p>
<p>{{userEmail currentUser}}</p>
{{/if}}
</template>
I would also strongly advise against publishing all of the fields in the 'allUsers' publication, as it will expose sensitive data that should not leave the server under almost any circumstances (e.g, password data).