stats.html

---
layout: page
---
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/randomcolor/0.5.2/randomColor.min.js"></script>

<h1>Blog statistics</h1>

<div id="total-posts">Total number of posts:</div>
<div id="total-words">Total number of words:</div>
<div id="words-per-post">Number of words per post:</div>

<h1>Number of posts per month</h1>
<canvas id="postsPerMonth" width="400" height="300"></canvas>

<h1>Number of words per month</h1>
<canvas id="wordsPerMonth" width="400" height="300"></canvas>

<h1>Number of posts per year</h1>
<canvas id="postsPerYear" width="400" height="300"></canvas>

<h1>Tags distribution</h1>
<canvas id="tagsDistr" width="400" height="300"></canvas>

<script>

    var accentColor = "#3CA2A2";

    var datePostsWords = [
        {% for post in site.posts %}
            {
                "t":"{{post.date | date: '%Y-%-m'}}",
                "year":"{{post.date | date: '%Y'}}",
                "x":1,
                "y":{{ post.content | number_of_words }}
            },
        {% endfor %}
    ];

    var sy = "{{ site.posts.last.date | date: '%Y'}}",
        ey = "{{ site.posts.first.date | date: '%Y'}}";

    var datePostsWordsZeros = [];
    for (var i = parseInt(sy); i <= parseInt(ey); i++) {
        for (var j = 1; j < 13; j++) {
            datePostsWordsZeros.push({"t": '' + i + "-" + j, "x": 0, "y": 0});
        }
    }

    var datePostsWords = datePostsWordsZeros.concat(datePostsWords);

    var postsPerMonth = datePostsWords.reduce((p, c) => {
        var name = c.t;
        if (!p.hasOwnProperty(name)) {
            p[name] = 0;
        }
        p[name] = p[name] + c.x;
        return p;
    }, {});

    var postsPerYear = datePostsWords.reduce((p, c) => {
        var name = c.year;
        if (!p.hasOwnProperty(name)) {
            p[name] = 0;
        }
        p[name] = p[name] + c.x;
        return p;
    }, {});

    var wordsPerMonth = datePostsWords.reduce((p, c) => {
        var name = c.t;
        if (!p.hasOwnProperty(name)) {
            p[name] = 0;
        }
        p[name] = p[name] + c.y;
        return p;
    }, {});


    var postsPerMonthCtx = document.getElementById("postsPerMonth").getContext('2d');
    var postsPerMonthChart = new Chart(postsPerMonthCtx, {
        type: 'bar',
        data: {
            labels: Object.keys(postsPerMonth),
            datasets: [{
                label: 'Post(s)',
                data: Object.values(postsPerMonth),
                backgroundColor: accentColor,
                borderWidth: 1
            }],
        },
        options: {
            scales: {
                xAxes: [{
                    categoryPercentage: 1.0,
                    barPercentage: 1.0
                }]
            }
        }
    });

    var wordsPerMonthCtx = document.getElementById("wordsPerMonth").getContext('2d');
    var wordsPerMonthChart = new Chart(wordsPerMonthCtx, {
        type: 'bar',
        data: {
            labels: Object.keys(wordsPerMonth),
            datasets: [{
                label: 'Number of words',
                data: Object.values(wordsPerMonth),
                backgroundColor: accentColor,
                borderWidth: 1
            }],
        },
        options: {
            scales: {
                xAxes: [{
                    categoryPercentage: 1.0,
                    barPercentage: 1.0
                }]
            }
        }
    });


    var postsPerYearCtx = document.getElementById("postsPerYear").getContext('2d');
    var postsPerYearChart = new Chart(postsPerYearCtx, {
        type: 'bar',
        data: {
            labels: Object.keys(postsPerYear),
            datasets: [{
                label: 'Number of words',
                data: Object.values(postsPerYear),
                backgroundColor: accentColor,
                borderWidth: 1
            }],
        },
        options: {
            scales: {
                xAxes: [{
                    categoryPercentage: 1.0,
                    barPercentage: 1.0
                }]
            }
        }
    });

    {% capture tags %}
        {% for tag in site.tags %}
            {{ tag[1].size | plus: 1000 }}#{{ tag[0] }}#{{ tag[1].size }}/
        {% endfor %}
    {% endcapture %}
    {% assign sortedtags = tags | split:'/' | sort %}

    var pieLabels = [
        {% for tag in sortedtags reversed %}
            {% assign tagitems = tag | split: '#' %}
            {% for tag in tags %} "{{ tagitems[1] }}", {% endfor %}
        {% endfor %}
    ];

    var pieData = [
        {% for tag in sortedtags reversed %}
            {% assign tagitems = tag | split: '#' %}
            {% for tag in tags %} {{ tagitems[2]}}, {% endfor %}
        {% endfor %}
    ];

    var tagsDistrCtx = document.getElementById("tagsDistr").getContext('2d');
    var tagsDistrChart = new Chart(tagsDistrCtx,{
        type: 'pie',
        data: {
            labels: pieLabels,
            datasets: [{
                label: "tag",
                data: pieData,
                borderColor: "#aaa",
                backgroundColor: randomColor({
                    count: pieData.length,
                    hue: accentColor,
                    luminosity: 'dark',
                })
            }],
        },
        options: {
            responsive: true,
        }
    });
</script>

<script>
    var totalWords = [
        {% for post in site.posts %}
            {{ post.content | number_of_words }},
        {% endfor %}
    ].reduce((a, b) => a + b, 0);
    var totalPosts = {{ site.posts.size }};

    function concatBoldTextToELement(id, text) {
        var abvgd = document.createElement('b');
        abvgd.innerText = ' ' + text;
        document.getElementById(id).appendChild(abvgd);
    }

    concatBoldTextToELement('total-words', totalWords);
    concatBoldTextToELement('total-posts', totalPosts);
    concatBoldTextToELement('words-per-post', totalWords / totalPosts);

</script>