ui.appcache.get = function()

in modules/js/htdocs/ui.js [509:546]

• 32 lines of code
• 12 McCabe index (conditional complexity)

ui.appcache.get = function(uri, mode) {
    debug('ui.appcache.get', uri, mode);

    // Get resource from local storage first
    var h = uri.indexOf('#');
    var u = h == -1? uri : uri.substring(0, h);
    if(mode != 'remote') {
        var item = lstorage.getItem('ui.r.' + u);
        if(item != null && item != '')
            return item;
        if(mode == 'local')
            return undefined;
    }

    // Get resource from network
    var http = new XMLHttpRequest();
    http.open("GET", mode == 'remote'? (u + '?t=' + new Date().getTime() + '&r=' + Math.random()) : u, false);
    http.setRequestHeader('Accept', '*/*');
    http.setRequestHeader('X-Cache-Control', 'no-cache');
    http.send(null);
    if(http.status == 200) {
        var ct = http.getResponseHeader("Content-Type");
        if(http.responseText == '' || ct == null || ct == '') {
            error('http error', u, 'No-Content');
            return undefined;
        }
        lstorage.setItem('ui.r.' + u, http.responseText);
        return http.responseText;
    }
    error('http error', u, http.status, http.statusText);

    // Redirect to login page
    if(http.status == 403 && window.top.location.href.pathname != '/logout/dologout/') {
        if(window.onloginredirect)
            window.onloginredirect(new Error('403 ' + http.statusText));
    }
    return undefined;
};