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From Alexander Gabriel <a...@barbalex.ch>
Subject Re: looking for couchapp examples for managing user authentification
Date Tue, 25 Oct 2011 10:04:32 GMT
awesome, Robert, your Code works! (or rather: I managed to use it without
making a mistake...)
Benoit, Dale: Thanks a lot for the pointers, am looking into these examples.
Quite obviously there is a lot to learn

The help on this mailing list rocks!

Alex



2011/10/23 Robert Wadholm <rwadholm@maf.org>

> Also, after setting the variable for User from an ajax call to _session,
> instead of merely checking for the existence of the userCtx, you could check
> for an actual value:
>
> if(User != undefined || null) {
> // Do something for the logged in User
> // Else if not logged in, go to login/signup page
> } else {
>  window.open(Pfad + "index.html", target="_self");*
> };
> };
>
> On Oct 23, 2011, at 8:22 AM, Robert Wadholm wrote:
>
> You could use a synchronous AJAX call using jquery on each page (this
> should be placed before much of the other js for the page):
>
> $.ajax({
> url: '/_session?callback=',
> dataType: 'json',
> async: false,
> success: function(session){
> User = session.userCtx.name<http://session.userCtx.name>;
> }
> });
>
> Bob
>
> On Oct 23, 2011, at 5:08 AM, Alexander Gabriel wrote:
>
> Great, thank you Benoit.
>
> Are there examples of entire applications, where I can see how the username
> is fetched after logging in and opening a new html-page?
>
> Alex
>
>
>
> 2011/10/23 Benoit Chesneau <bchesneau@gmail.com<mailto:bchesneau@gmail.com
> >>
>
> there are ex of code on github:
>
> https://github.com/couchapp/couchdb-login-jquery
> https://github.com/couchapp/example
>
> enoit
> On Sunday, October 23, 2011, Alexander Gabriel <alex@barbalex.ch<mailto:
> alex@barbalex.ch>> wrote:
> Hi all
>
> This is surely a very basic beginners problem - I am biologist and only
> starting to learn programming. It may well be a java script issue and
> have
> nothing to do with couchdb.
>
> In my couchapp (
>
> http://barbalex.iriscouch.com/evab-ch_barbalex_evab/_design/evab/index.html
> , https://github.com/barbalex/EvabMobile) every page needs to know the
> user
> name as that is saved in every file. After logging in I get the user name
> like this in every page:
>
> *User = "";   //use global variable to save user name in*
> *$.couch.session({*
> * success : function(r) {*
> * userCtx = r.userCtx;*
> * if (userCtx.name<http://userCtx.name>) {*
> *                        //save user name in variable*
> * User = userCtx.name;*
> * } else {*
> * //user is not logged in, present the login page*
> * window.open(Pfad + "index.html", target="_self");*
> * }*
> * }*
> *});*
>
> There probably are several problems here (for example using a global
> variable, not using a dedicated function to fetch the username) which is
> probably why this is bugging me - the variable "User" doesn't seem to
> return
> the username correctly - sometimes it does, others it doesn't (even
> though
> "GET http://barbalex.iriscouch.com/_session" returns "
>
>
>
> {"ok":true,"userCtx":{"name":"z","roles":[]},"info":{"authentication_db":"_users","authentication_handlers"
> :["oauth","cookie","default"],"authenticated":"cookie"}}"). I have spent
> a
> while now on this problem and come to the point where I need a pointer.
>
> I don't expect you experts to teach me java script of course. It would be
> great if you could point me to some couchapps I could look into to learn
> how
> this (and other stuff) is done correctly.
>
> I looked into AndroidGrocerySync for Android. But it seems to be a native
> app programmed in java.
>
> Your help is much appreciated!
>
> Alex
>
>
>
>
>

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