media/hatom.js

var Media = require("../media").Media,
    escapeHTML = require("./html").escapeHTML,
    getModelByPath = require("perstore/model").getModelByPath;

Media({
    mediaType:"text/html",
    getQuality: function(object) {
        return 0.9
    },
    serialize: function(object, parameters, request) {
        var path = request.pathInfo.substring(1),
            model = getModelByPath(path) || {},
            title = model.title || path,
            qs = "?" + request.queryString;
        return {
            forEach: function(write) {
                write('<html><head>\n');
                write('<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>\n');
                write('<script type="text/javascript" src="/hatom-bottomless.js"></script>\n');
                write('<title>' + title + '</title></head>\n');
                write('<link rel="alternate" type="application/atom+xml"');
                write(' title="Atom Feed" href="' + qs + '&http-accept=application/atom+xml"/>\n');
                write('<body>\n');
                write('<div class="hfeed">\n')
                write('<h1 class="feed-title">' + title + '</h1>\n');
                if (model.description) {
                    write('<h2 class="feed-subtitle">' + model.description + '</h2>\n');
                }
                if (typeof object.forEach === "function") {
                    var headers = object.getMetadata && object.getMetadata() || {},
                        range = require("../util/parse-header")["content-range"](headers["content-range"], 25);
                    if (range && range.prev) {
                        var prevRange = [range.prev.start, range.prev.end].join("-");
                        write('<div id="prevLink"><a rel="prev" href="' + qs + '&http-range=items%3d' + prevRange + '">Previous</a></div>')
                    }
                    object.forEach(writeEntry);
                    if (range && range.next) {
                        var nextRange = [range.next.start, range.next.end].join("-");
                        write('<div id="nextLink"><a rel="next" href="' + qs + '&http-range=items%3d' + nextRange + '">Next</a></div>')
                    }
                }
                else{
                    writeEntry(object);
                    if (object.getContent) write(object.getContent());
                }
                function writeEntry(item){
                    var updated;
                    if (item.getUpdated) {
                        // TODO is this even necessary? can't we just use last-modified?
                        updated = item.getUpdated();
                    }
                    else if (item.getMetadata && item.getMetadata()["last-modified"]) {
                        updated = item.getMetadata()["last-modified"];
                    }

                    write('<div class="hentry">\n');
                    write('  <a rel="bookmark" href="' + (item.getId ? item.getId() : item.id) + '">');
                    if (item.getTitle) // FIXME use atom-utils to always write title
                        write('    <h3 class="entry-title">' + item.getTitle() + '</h3>')
                    write('</a>\n');
                    if (updated && updated.toISOString){
                        write('    Updated: <abbr class="published" title="' + updated.toISOString() + '">' + updated + '</abbr>\n');
                    }
                    if (item.getSummary)
                        write('    <div class="entry-summary">' + item.getSummary() + '</div>\n');
                    write('</div>\n');
                };
                write('</div>\n');
                write('</body></html>');
            }
        };
    },
    deserialize: function() {
        throw new Error("hatom deserialization NYI");
    }
});