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):
$.ajax({
url: '/_session?callback=',
dataType: 'json',
async: false,
success: function(session){
User = session.userCtx.name;
}
});
Bob
On Oct 23, 2011, at 5:08 AM, Alexander Gabriel wrote:
> Great, thank you Benoit.
>
> Are there examples of entire applications, where I can see how the username
> is fetched after logging in and opening a new html-page?
>
> Alex
>
>
>
> 2011/10/23 Benoit Chesneau <[email protected]>
>
>> there are ex of code on github:
>>
>> https://github.com/couchapp/couchdb-login-jquery
>> https://github.com/couchapp/example
>>
>> enoit
>> On Sunday, October 23, 2011, Alexander Gabriel <[email protected]> wrote:
>>> Hi all
>>>
>>> This is surely a very basic beginners problem - I am biologist and only
>>> starting to learn programming. It may well be a java script issue and
>> have
>>> nothing to do with couchdb.
>>>
>>> In my couchapp (
>>>
>> http://barbalex.iriscouch.com/evab-ch_barbalex_evab/_design/evab/index.html
>>> , https://github.com/barbalex/EvabMobile) every page needs to know the
>> user
>>> name as that is saved in every file. After logging in I get the user name
>>> like this in every page:
>>>
>>> *User = ""; //use global variable to save user name in*
>>> *$.couch.session({*
>>> * success : function(r) {*
>>> * userCtx = r.userCtx;*
>>> * if (userCtx.name) {*
>>> * //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
>>>
>>
