likeText

gistfile1.txt

streamFactory.append.likeText = function(post) {
    //console.log('streamFactory.append.likeText');
    var theParent = this.parent;
    var toPrepend = '';

    if(post.totalLikes > 0) {
        var likersFollowed = post.likes,
            likersFollowedCount = VV.utils.objCount(likersFollowed),
            show = 3, //show how many related likers
            loopRuns = 0,
            likersDispHTML = '',
            likersDisp = {};

        if(likersFollowedCount > 0) {
            if(likersFollowedCount > show) {
                likersDisp = VV.utils.getRandom(likersFollowed, show);
                loopRuns = show;
            } else {
                likersDisp = likersFollowed;
                loopRuns = likersFollowedCount;
            }

            for(var k=0;k<loopRuns;k++) {
                var name = likersDisp[k].user.userNameDisp;
                if(k>0) {
                    if(k<show-1) {
                        //put commas after the first case, stop at last case.
                        likersDispHTML += ', ';
                    } else {
                        //for last case put "+"
                        likersDispHTML += ' + ';
                    } 
                } 
                likersDispHTML += '<a href="' + printHead.p.absPath + '/' + name + '">' + name +'</a>';
            }
            //if there are only 2 cases, replace the comma with 'and'.
            //mary and sally like this.
            if(loopRuns === 2) {
                likersDispHTML = likersDispHTML.replace(',', ' and');
            }
        }

        var andLikes = '';
        if(likersFollowedCount > 0) {

            //sally, mary, jane and 99 others like this.

            //Number of related likers shown is defined by "show".
            //So the offsetted number of likers is minimum of show or likersFollowed.
            var offset = Math.min(likersFollowedCount, show)
            var offsetCount = post.totalLikes - offset;

            if(offsetCount > 0) {
                andLikes  = ' + ';
                andLikes += '<span class="postLikesCount" data-likescount="' + offsetCount + '">';
                andLikes += offsetCount;
                andLikes += '</span>';

                if(offsetCount === 1 && post.totalLikes === 1) {
                    andLikes += ' like'; 
                } else {
                    andLikes += ' likes';   
                }
            } else {
                if(post.totalLikes > 0 ) {
                    if(post.totalLikes === 1) {
                        andLikes += ' like this.';
                    } else {
                        andLikes += ' likes this.';
                    }
                } 
            }



        } else if(post.totalLikes > 1) {

            // 2-99 people like this.
            var offsetCount = post.totalLikes;

            andLikes  = '<span class="postLikesCount" data-likescount="' + offsetCount + '">';
            andLikes += offsetCount;
            andLikes += '</span>';
            andLikes += ' likes';

        } else if(post.totalLikes === 1) {

            // 1 person likes this.
            var offsetCount = post.totalLikes;

            andLikes  = '<span class="postLikesCount" data-likescount="' + offsetCount + '">';
            andLikes += offsetCount;
            andLikes += '</span>';
            andLikes += ' like';
        }

        toPrepend = likersDispHTML + '<span class="postAndLikes">' + andLikes + '</span>';

    } else {
        toPrepend = '';
    }
    //console.log(toPrepend);
    return toPrepend;
}