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