maj metric article

admin/src/app/metrics/page.tsx

@@ -14,7 +14,8 @@ import {
   ArrowUp,
   ArrowDown,
   Calendar,
-  Map as MapIcon
+  Map as MapIcon,
+  BookOpen
 } from 'lucide-react';
 import AnalyticsMap from '@/components/AnalyticsMap';
 import CountryHistogram from '@/components/CountryHistogram';
@@ -123,10 +124,63 @@ async function getMetrics(range: string = 'week', from?: string, to?: string) {
   });
   const uniqueVisitors = uniqueVisitorsRes.length;
 
+  // Article page views (impressions)
+  const pageViewsByPath = await prisma.analyticsEvent.groupBy({
+    by: ['path'],
+    where: {
+      type: 'PAGE_VIEW',
+      path: { startsWith: '/actualites/' },
+      ...currentWhere
+    },
+    _count: { id: true }
+  });
+
+  // Article dwell times (reading times)
+  const dwellTimeByPath = await prisma.analyticsEvent.groupBy({
+    by: ['path'],
+    where: {
+      type: 'DWELL_TIME',
+      path: { startsWith: '/actualites/' },
+      ...currentWhere
+    },
+    _avg: { value: true },
+    _count: { id: true }
+  });
+
+  // Article unique visitors grouping
+  const uniqueVisitorsRaw = await prisma.analyticsEvent.groupBy({
+    by: ['path', 'ip'],
+    where: {
+      type: 'PAGE_VIEW',
+      path: { startsWith: '/actualites/' },
+      ...currentWhere
+    }
+  });
+
+  // Load blog posts to associate with analytics
+  const blogPosts = await prisma.blogPost.findMany({
+    select: {
+      id: true,
+      title: true,
+      slug: true,
+      author: true,
+      publishedAt: true,
+    }
+  });
+
+  const totalArticleViews = await prisma.analyticsEvent.count({
+    where: {
+      type: 'PAGE_VIEW',
+      path: { startsWith: '/actualites/' },
+      ...currentWhere
+    }
+  });
+
   // 4. Fetch Previous Data (for Deltas)
   let prevTotalEvents = 0;
   let prevUniqueVisitors = 0;
   let prevMobileCount = 0;
+  let prevArticleViews = 0;
 
   if (prevWhere) {
     prevTotalEvents = await prisma.analyticsEvent.count({ where: prevWhere });
@@ -142,6 +196,14 @@ async function getMetrics(range: string = 'week', from?: string, to?: string) {
         _count: { id: true }
     });
     prevMobileCount = prevDevices.find(d => d.device === 'Mobile')?._count.id || 0;
+
+    prevArticleViews = await prisma.analyticsEvent.count({
+      where: {
+        type: 'PAGE_VIEW',
+        path: { startsWith: '/actualites/' },
+        ...prevWhere
+      }
+    });
   }
 
   // 5. Recent Unique IPs
@@ -176,9 +238,52 @@ async function getMetrics(range: string = 'week', from?: string, to?: string) {
     uniqueVisitors,
     recentIPs,
     uniqueVisitorsPerCountry,
+    totalArticleViews,
+    articleStats: blogPosts.map(post => {
+      const paths = [`/actualites/${post.id}`];
+      if (post.slug) {
+        paths.push(`/actualites/${post.slug}`);
+      }
+      
+      let views = 0;
+      pageViewsByPath.forEach(item => {
+        if (paths.includes(item.path)) {
+          views += item._count.id;
+        }
+      });
+
+      const uniqueIps = new Set<string>();
+      uniqueVisitorsRaw.forEach(item => {
+        if (paths.includes(item.path) && item.ip) {
+          uniqueIps.add(item.ip);
+        }
+      });
+      const visitors = uniqueIps.size;
+
+      let totalDwellTime = 0;
+      let dwellCount = 0;
+      dwellTimeByPath.forEach(item => {
+        if (paths.includes(item.path) && item._avg.value && item._count.id) {
+          totalDwellTime += item._avg.value * item._count.id;
+          dwellCount += item._count.id;
+        }
+      });
+      const avgDwellTime = dwellCount > 0 ? Math.round(totalDwellTime / dwellCount) : 0;
+
+      return {
+        id: post.id,
+        title: post.title,
+        author: post.author,
+        publishedAt: post.publishedAt,
+        views,
+        visitors,
+        avgDwellTime
+      };
+    }).sort((a, b) => b.views - a.views),
     deltas: {
         events: prevTotalEvents > 0 ? ((totalEvents - prevTotalEvents) / prevTotalEvents) * 100 : null,
         visitors: prevUniqueVisitors > 0 ? ((uniqueVisitors - prevUniqueVisitors) / prevUniqueVisitors) * 100 : null,
+        articleViews: prevArticleViews > 0 ? ((totalArticleViews - prevArticleViews) / prevArticleViews) * 100 : null,
         mobile: prevTotalEvents > 0 && totalEvents > 0 
             ? ((currentMobileCount / totalEvents) - (prevMobileCount / prevTotalEvents)) * 100 
             : null
@@ -189,7 +294,7 @@ async function getMetrics(range: string = 'week', from?: string, to?: string) {
 export default async function MetricsPage({ searchParams: searchParamsPromise }: { searchParams: Promise<{ range?: string, from?: string, to?: string }> }) {
   const searchParams = await searchParamsPromise;
   const range = searchParams.range || 'week';
-  const { topPages, topCountries, devices, browsers, totalEvents, uniqueVisitors, recentIPs, deltas, uniqueVisitorsPerCountry } = await getMetrics(range, searchParams.from, searchParams.to);
+  const { topPages, topCountries, devices, browsers, totalEvents, uniqueVisitors, recentIPs, deltas, uniqueVisitorsPerCountry, totalArticleViews, articleStats } = await getMetrics(range, searchParams.from, searchParams.to);
 
   const rangeLabels: Record<string, string> = {
     day: 'Dernières 24h',
@@ -250,7 +355,7 @@ export default async function MetricsPage({ searchParams: searchParamsPromise }:
       </div>
 
       {/* Summary Cards */}
-      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+      <div className="grid grid-cols-1 md:grid-cols-4 gap-6">
         <div className="card border-t-4 border-indigo-500">
           <div className="flex justify-between items-start mb-4">
             <div className="p-2 rounded-lg bg-indigo-500/10 text-indigo-400">
@@ -283,6 +388,22 @@ export default async function MetricsPage({ searchParams: searchParamsPromise }:
           </p>
         </div>
 
+        <div className="card border-t-4 border-rose-500">
+          <div className="flex justify-between items-start mb-4">
+            <div className="p-2 rounded-lg bg-rose-500/10 text-rose-400">
+              <BookOpen className="w-6 h-6" />
+            </div>
+            <div className="text-right">
+                <div className="text-2xl font-bold text-white">{totalArticleViews.toLocaleString()}</div>
+                <ComparisonBadge value={deltas.articleViews} />
+            </div>
+          </div>
+          <h3 className="text-slate-400 text-sm font-medium">Articles consultés</h3>
+          <p className="text-[10px] text-slate-500 uppercase mt-1 font-bold tracking-wider">
+            Vues totales des articles de blog
+          </p>
+        </div>
+
         <div className="card border-t-4 border-amber-500">
           <div className="flex justify-between items-start mb-4">
             <div className="p-2 rounded-lg bg-amber-500/10 text-amber-400">
@@ -426,6 +547,53 @@ export default async function MetricsPage({ searchParams: searchParamsPromise }:
           </table>
         </div>
 
+        {/* Article Statistics Table */}
+        <div className="card p-0 overflow-hidden lg:col-span-2">
+          <div className="p-6 border-b border-slate-800 flex items-center justify-between">
+            <h2 className="text-xl font-bold text-white flex items-center gap-2">
+              <BookOpen className="w-5 h-5 text-rose-400" /> Statistiques par article
+            </h2>
+          </div>
+          <div className="overflow-x-auto">
+            <table className="w-full text-left">
+              <thead className="bg-slate-900/50 text-xs font-semibold text-slate-500 uppercase tracking-wider">
+                <tr>
+                  <th className="px-6 py-4">Article</th>
+                  <th className="px-6 py-4">Auteur</th>
+                  <th className="px-6 py-4 text-right">Vues</th>
+                  <th className="px-6 py-4 text-right">V. Uniques</th>
+                  <th className="px-6 py-4 text-right">Temps de lecture moyen</th>
+                  <th className="px-6 py-4 text-right">Date de publication</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-slate-800">
+                {articleStats.map((post) => (
+                  <tr key={post.id} className="hover:bg-slate-800/30 transition-colors text-xs">
+                    <td className="px-6 py-4 font-semibold text-slate-200">
+                      {post.title}
+                    </td>
+                    <td className="px-6 py-4 text-slate-400">
+                      {post.author}
+                    </td>
+                    <td className="px-6 py-4 text-right font-bold text-white">
+                      {post.views.toLocaleString()}
+                    </td>
+                    <td className="px-6 py-4 text-right font-bold text-indigo-400">
+                      {post.visitors.toLocaleString()}
+                    </td>
+                    <td className="px-6 py-4 text-right text-slate-300 font-mono">
+                      {post.avgDwellTime > 0 ? `${post.avgDwellTime}s` : '---'}
+                    </td>
+                    <td className="px-6 py-4 text-right text-slate-400">
+                      {post.publishedAt ? new Date(post.publishedAt).toLocaleDateString('fr-FR') : 'Non publié'}
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        </div>
+
         {/* Recent IP Connections Table */}
         <div className="card p-0 overflow-hidden lg:col-span-2">
           <div className="p-6 border-b border-slate-800 flex items-center justify-between">