Page de statistiques

tools/stats/articles_per_month.js

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+#!/usr/bin/env node
+
+const { loadArticles } = require("../lib/stats/articles");
+const { renderWithPython } = require("../lib/stats/python");
+
+const MONTH_LABELS = ["Jan", "Fev", "Mar", "Avr", "Mai", "Jun", "Jul", "Aou", "Sep", "Oct", "Nov", "Dec"];
+
+function groupByMonthAndYear(articles) {
+    const counts = new Map();
+    const years = new Set();
+    let first = null;
+    let last = null;
+
+    for (const article of articles) {
+        if (!article.date) continue;
+        const year = article.date.year;
+        const month = article.date.month; // 1..12
+        years.add(year);
+        const key = `${year}-${month}`;
+        counts.set(key, (counts.get(key) || 0) + 1);
+        if (!first || article.date < first) first = article.date;
+        if (!last || article.date > last) last = article.date;
+    }
+
+    const monthNumbers = Array.from({ length: 12 }, (_, index) => index + 1);
+    const labels = monthNumbers.map((month) => MONTH_LABELS[month - 1]);
+    const sortedYears = Array.from(years).sort((a, b) => a - b);
+
+    const series = sortedYears.map((year) => {
+        return {
+            label: String(year),
+            values: monthNumbers.map((month) => counts.get(`${year}-${month}`) || 0),
+        };
+    });
+
+    return { labels, series, first, last };
+}
+
+async function run({ contentDir, outputPath, publicPath }) {
+    if (!outputPath) {
+        throw new Error("outputPath manquant pour articles_per_month");
+    }
+
+    const articles = await loadArticles(contentDir || "content");
+    const { labels, series, first, last } = groupByMonthAndYear(articles);
+
+    await renderWithPython({
+        type: "articles_per_month",
+        outputPath,
+        data: {
+            labels,
+            series,
+            title: "Articles par mois",
+        },
+    });
+
+    return {
+        image: publicPath,
+        meta: {
+            from: first ? first.toISODate() : null,
+            to: last ? last.toISODate() : null,
+            months: labels.length,
+        },
+    };
+}
+
+module.exports = { run };