Add seller performance dashboard charts

backend/test/analyticsService.test.js

@@ -11,6 +11,7 @@ const {
     getClientAnalytics,
     getClientDetailsAnalytics,
     getClientFilterOptions,
+    getDashboardAnalytics,
     getPreviousDate,
     getProductAnalytics,
     getProductDetailsAnalytics,
@@ -135,6 +136,69 @@ test('getPreviousDate returns the calendar day before an ISO date', () => {
     assert.equal(getPreviousDate('invalid'), null);
 });
 
+test('getDashboardAnalytics includes seller revenue and order metrics', async () => {
+    const originalQuery = pool.query;
+    const calls = [];
+
+    pool.query = async (sql, params = []) => {
+        calls.push({ sql, params });
+
+        if (sql.includes('total_revenue')) {
+            return {
+                rows: [{
+                    total_revenue: 1000,
+                    total_items: 25,
+                    order_line_count: 5
+                }]
+            };
+        }
+
+        if (sql.includes('seller_orders') && sql.includes('SUM(quantidade * valor_unitario)')) {
+            return {
+                rows: [{ id: '977226210', name: 'KEDMA DA SILVA', value: 750 }]
+            };
+        }
+
+        if (sql.includes('seller_orders') && sql.includes('COUNT(DISTINCT')) {
+            return {
+                rows: [{ id: '977226210', name: 'KEDMA DA SILVA', value: 3 }]
+            };
+        }
+
+        if (sql.includes('SUM(quantidade), 0) as value')) {
+            return {
+                rows: [{ id: 'P1', name: 'Produto A', value: 10 }]
+            };
+        }
+
+        return {
+            rows: [{ id: 'P1', name: 'Produto A', value: 1000 }]
+        };
+    };
+
+    try {
+        const dashboard = await getDashboardAnalytics({ start: '2026-06-01', end: '2026-06-24' });
+        const sellerRevenueQuery = calls.find(call => call.sql.includes('seller_orders') && call.sql.includes('SUM(quantidade * valor_unitario)'));
+        const sellerOrdersQuery = calls.find(call => call.sql.includes('seller_orders') && call.sql.includes('COUNT(DISTINCT'));
+
+        assert.equal(calls.length, 5);
+        calls.forEach(call => {
+            assert.deepEqual(call.params, ['2026-06-01', '2026-06-24']);
+        });
+        assert.match(sellerRevenueQuery.sql, /substring\(NULLIF\(TRIM\(nome_vendedor\), ''\) from/);
+        assert.match(sellerRevenueQuery.sql, /regexp_replace\(COALESCE\(nome_vendedor, ''\)/);
+        assert.match(sellerOrdersQuery.sql, /COUNT\(DISTINCT COALESCE/);
+        assert.deepEqual(dashboard.revenueBySeller, [
+            { id: '977226210', name: 'KEDMA DA SILVA', value: 750 }
+        ]);
+        assert.deepEqual(dashboard.ordersBySeller, [
+            { id: '977226210', name: 'KEDMA DA SILVA', value: 3 }
+        ]);
+    } finally {
+        pool.query = originalQuery;
+    }
+});
+
 test('client tokens are opaque and stable for customer keys', () => {
     const phoneKey = '(16) 99103-6131';
     const nameKey = 'name:Cliente Sem Fone';