Blogger JSON - Top Commentators

<!DOCTYPE html>
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type"/>
<title>Top Commentators</title>
<style type="text/css">
.top-commenter-line {
  margin:3px 0px;
}
.top-commenter-avatar {
  display:inline-block;
  vertical-align:middle;
}
</style>
</head>
<body>

<script type="text/javascript">
// Top Commentators gadget with avatars, by MS-potilas 2012.
// Gets a list of top commentators from all comments, or specified number of days in the past.
// See http://yabtb.blogspot.com/2012/05/top-commenters-gadget-with-avatars.html

// CONFIG:
var homepage           = 'http://latitudu.blogspot.com',  // Homepage
    maxTopCommenters   = 17,  // How much?
    minComments        = 1,  // How many comments must top commentator have at least
    numDays            = 0,  // From how many days (ex. 30), or 0 from "all the time"
    excludeMe          = true,  // true: exclude my own comments
    excludeUsers       = ["Anonymous", "Another Name"],  // Exclude these usernames
    maxUserNameLength  = 42,  // 0: don't cut, >4: cut usernames
    txtTopLine         = '<b>[#].</b> [image] [user] ([count])',  // List number
    txtNoTopCommenters = 'No top commentators at this time.',
    txtAnonymous       = '',  // Empty, or Anonymous user name localized if you want to localize
    sizeAvatar         = 16,  // Avatar size
    cropAvatar         = true,
    urlNoAvatar        = 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaZmZXf7Y-oV6YHiOAH2NqJd3PCUQHgR2JkRbel7QTBW5TAHqTipqAqR-ylVLzBEm77Bp5XarEsNu8_d8a7J-8tcTgBKp4nJMQJkfJMtsByFX77jxNyjGphSvtTVNjUF0FDtDqv7GmxOo/' + sizeAvatar + '/avatar_blue_m_96.png',  // http://www.blogger.com/img/avatar_blue_m_96.png resizeable
    urlAnoAvatar       = 'http://www.gravatar.com/avatar/00000000000000000000000000000000?d=mm&s=' + sizeAvatar,
    urlMyProfile       = '',  // Set if you have no profile gadget on page
    urlMyAvatar        = '';  // Can be empty (then it is fetched) or url to image
// END CONFIG
// for old IEs & IE modes:
if (!Array.indexOf) {
    Array.prototype.indexOf = function(obj) {
        for (var i = 0; i < this.length; i++) if (this[i] == obj) return i;
        return -1;
    };
}

function replaceTopCmtVars(text, item, position) {
    if (!item || !item.author) return text;
    var author = item.author;

    var authorUri = "";
    if (author.uri && author.uri.$t !== "") authorUri = author.uri.$t;

    var avaimg = urlAnoAvatar;
    var bloggerprofile = "http://www.blogger.com/profile/";
    if (author.gd$image && author.gd$image.src && authorUri.substr(0, bloggerprofile.length) == bloggerprofile) {
        avaimg = author.gd$image.src;
    } else {
        var parseurl = document.createElement('a');
        if (authorUri !== "") {
            parseurl.href = authorUri;
            avaimg = 'http://www.google.com/s2/favicons?domain=' + parseurl.hostname;
        }
    }
    if (urlMyProfile !== "" && authorUri == urlMyProfile && urlMyAvatar !== "") avaimg = urlMyAvatar;
    if (avaimg == "http://img2.blogblog.com/img/b16-rounded.gif" && urlNoAvatar !== "") avaimg = urlNoAvatar;
    var newsize = "s" + sizeAvatar;
    avaimg = avaimg.replace(/\/s\d\d+-c\//, "/" + newsize + "-c/");
    if (cropAvatar) newsize += "-c";
    avaimg = avaimg.replace(/\/s\d\d+(-c){0,1}\//, "/" + newsize + "/");

    var authorName = author.name.$t;
    if (authorName == 'Anonymous' && txtAnonymous !== "" && avaimg == urlAnoAvatar) authorName = txtAnonymous;
    var imgcode = '<img class="top-commenter-avatar" height="' + sizeAvatar + '" width="' + sizeAvatar + '" title="' + authorName + '" src="' + avaimg + '" />';
    if (authorUri !== "") imgcode = '<a href="' + authorUri + '">' + imgcode + '</a>';

    if (maxUserNameLength > 3 && authorName.length > maxUserNameLength) authorName = authorName.substr(0, maxUserNameLength - 3) + "...";
    var authorcode = authorName;
    if (authorUri !== "") authorcode = '<a class="profile-name-link" href="' + authorUri + '">' + authorcode + '</a>';

    text = text.replace('[user]', authorcode);
    text = text.replace('[image]', imgcode);
    text = text.replace('[#]', position);
    text = text.replace('[count]', item.count);
    return text;
}

var topcommenters = {};
var ndxbase = 1;

function showTopCommenters(json) {
    var one_day = 1000 * 60 * 60 * 24;
    var today = new Date();

    if (urlMyProfile === "") {
        var elements = document.getElementsByTagName("*");
        var expr = /(^| )profile-link( |$)/;
        for (var i = 0; i < elements.length; i++) {
            if (expr.test(elements[i].className)) urlMyProfile = elements[i].href;
            break;
        }
    }

    for (var j = 0; j < json.feed.entry.length; j++) {
        var entry = json.feed.entry[j];
        if (numDays > 0) {
            var datePart = entry.published.$t.match(/\d+/g); // Assume ISO 8601
            var cmtDate = new Date(datePart[0], datePart[1] - 1, datePart[2], datePart[3], datePart[4], datePart[5]);

            // Calculate difference btw the two dates, and convert to days
            var days = Math.ceil((today.getTime() - cmtDate.getTime()) / (one_day));
            if (days > numDays) break;
        }
        var authorUri = "";
        if (entry.author[0].uri && entry.author[0].uri.$t !== "") authorUri = entry.author[0].uri.$t;

        if (excludeMe && authorUri !== "" && authorUri == urlMyProfile) continue;
        var authorName = entry.author[0].name.$t;
        if (excludeUsers.indexOf(authorName) != -1) continue;

        var hash = entry.author[0].name.$t + "-" + authorUri;
        if (topcommenters[hash]) topcommenters[hash].count++;
        else {
            var commenter = {};
            commenter.author = entry.author[0];
            commenter.count = 1;
            topcommenters[hash] = commenter;
        }
    }
    if (json.feed.entry.length == 200) {
        ndxbase += 200;
        document.write('<scr' + 'ipt type="text/javascript" src="' + homepage + '/feeds/comments/default?redirect=false&max-results=200&start-index=' + ndxbase + '&alt=json-in-script&callback=showTopCommenters"></' + 'script>');
        return;
    }

    // Convert object to array of tuples
    var tuplear = [];
    for (var key in topcommenters) tuplear.push([key, topcommenters[key]]);

    tuplear.sort(function(a, b) {
        if (b[1].count - a[1].count) return b[1].count - a[1].count;
        return (a[1].author.name.$t.toLowerCase() < b[1].author.name.$t.toLowerCase()) ? -1 : 1;
    });

    // List top commenters:
    var realcount = 0;
    for (var k = 0; k < maxTopCommenters && k < tuplear.length; k++) {
        var item = tuplear[k][1];
        if (item.count < minComments) break;
        document.write('<di' + 'v class="top-commenter-line">');
        document.write(replaceTopCmtVars(txtTopLine, item, realcount + 1));
        document.write('</d' + 'iv>');
        realcount++;
    }
    if (!realcount) document.write(txtNoTopCommenters);
}
document.write('<scr' + 'ipt type="text/javascript" src="' + homepage + '/feeds/comments/default?redirect=false&max-results=200&alt=json-in-script&callback=showTopCommenters"></' + 'script>');
</script>

</body>
</html>
Blogger JSON - Top Commentators

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