feat: metrics on Manager page

src/actions/metrics.ts

@@ -0,0 +1,78 @@
+'use server';
+
+import { MetricsService, WeeklyMetricsOverview, VelocityTrend } from '@/services/metrics';
+import { revalidatePath } from 'next/cache';
+
+/**
+ * Récupère les métriques hebdomadaires pour une date donnée
+ */
+export async function getWeeklyMetrics(date?: Date): Promise<{
+  success: boolean;
+  data?: WeeklyMetricsOverview;
+  error?: string;
+}> {
+  try {
+    const targetDate = date || new Date();
+    const metrics = await MetricsService.getWeeklyMetrics(targetDate);
+    
+    return {
+      success: true,
+      data: metrics
+    };
+  } catch (error) {
+    console.error('Error fetching weekly metrics:', error);
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Failed to fetch weekly metrics'
+    };
+  }
+}
+
+/**
+ * Récupère les tendances de vélocité sur plusieurs semaines
+ */
+export async function getVelocityTrends(weeksBack: number = 4): Promise<{
+  success: boolean;
+  data?: VelocityTrend[];
+  error?: string;
+}> {
+  try {
+    if (weeksBack < 1 || weeksBack > 12) {
+      return {
+        success: false,
+        error: 'Invalid weeksBack parameter (must be 1-12)'
+      };
+    }
+    
+    const trends = await MetricsService.getVelocityTrends(weeksBack);
+    
+    return {
+      success: true,
+      data: trends
+    };
+  } catch (error) {
+    console.error('Error fetching velocity trends:', error);
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Failed to fetch velocity trends'
+    };
+  }
+}
+
+/**
+ * Rafraîchir les données de métriques (invalide le cache)
+ */
+export async function refreshMetrics(): Promise<{
+  success: boolean;
+  error?: string;
+}> {
+  try {
+    revalidatePath('/manager');
+    return { success: true };
+  } catch {
+    return {
+      success: false,
+      error: 'Failed to refresh metrics'
+    };
+  }
+}