perf: code split frontend routes

backend/db.js

@@ -7,22 +7,46 @@ const pool = new Pool({
 
 const initDB = async () => {
     try {
+        await pool.query(`SET TIME ZONE 'America/Sao_Paulo';`);
+
         await pool.query(`
             CREATE TABLE IF NOT EXISTS orders (
                 id SERIAL PRIMARY KEY,
                 cliente_nome VARCHAR(255),
                 data_pedido VARCHAR(50),
+                data_pedido_date DATE,
                 valor_pedido NUMERIC(10, 2),
                 produto_id VARCHAR(100),
                 produto_descricao TEXT,
                 quantidade INTEGER,
                 valor_unitario NUMERIC(10, 5),
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
             );
         `);
 
         await pool.query(`ALTER TABLE orders ADD COLUMN IF NOT EXISTS pedido_id VARCHAR(100);`).catch(() => {});
         await pool.query(`ALTER TABLE orders ADD COLUMN IF NOT EXISTS cliente_fone VARCHAR(50);`).catch(() => {});
+        await pool.query(`ALTER TABLE orders ADD COLUMN IF NOT EXISTS data_pedido_date DATE;`).catch(() => {});
+
+        await pool.query(`
+            ALTER TABLE orders
+            ALTER COLUMN created_at TYPE TIMESTAMPTZ USING created_at AT TIME ZONE 'America/Sao_Paulo',
+            ALTER COLUMN created_at SET DEFAULT CURRENT_TIMESTAMP;
+        `).catch(() => {});
+
+        await pool.query(`
+            UPDATE orders
+            SET data_pedido_date = CASE
+                WHEN data_pedido ~ '^\\d{4}[-/]\\d{1,2}[-/]\\d{1,2}' THEN to_date(replace(left(data_pedido, 10), '/', '-'), 'YYYY-MM-DD')
+                WHEN data_pedido ~ '^\\d{1,2}[-/]\\d{1,2}[-/]\\d{4}' THEN to_date(replace(left(data_pedido, 10), '/', '-'), 'DD-MM-YYYY')
+                ELSE NULL
+            END
+            WHERE data_pedido_date IS NULL
+              AND data_pedido IS NOT NULL
+              AND data_pedido != '';
+        `).catch(err => {
+            console.error('Notice: Could not backfill normalized order dates:', err.message);
+        });
 
         await pool.query(`CREATE UNIQUE INDEX IF NOT EXISTS unique_order_product ON orders (pedido_id, produto_id);`).catch(err => {
             console.error('Notice: Could not create unique index (might already exist or there are duplicates):', err.message);
@@ -34,10 +58,16 @@ const initDB = async () => {
                 nome TEXT,
                 saldo INTEGER DEFAULT 0,
                 delta_estoque INTEGER DEFAULT 0,
-                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
             );
         `);
 
+        await pool.query(`
+            ALTER TABLE stock
+            ALTER COLUMN updated_at TYPE TIMESTAMPTZ USING updated_at AT TIME ZONE 'America/Sao_Paulo',
+            ALTER COLUMN updated_at SET DEFAULT CURRENT_TIMESTAMP;
+        `).catch(() => {});
+
         await pool.query(`
             CREATE TABLE IF NOT EXISTS stock_campaign_queue (
                 id SERIAL PRIMARY KEY,
@@ -49,15 +79,25 @@ const initDB = async () => {
                 status VARCHAR(20) DEFAULT 'pending',
                 attempts INTEGER DEFAULT 0,
                 last_error TEXT,
-                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
-                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
-                sent_at TIMESTAMP
+                sent_at TIMESTAMPTZ
             );
         `);
 
+        await pool.query(`
+            ALTER TABLE stock_campaign_queue
+            ALTER COLUMN created_at TYPE TIMESTAMPTZ USING created_at AT TIME ZONE 'America/Sao_Paulo',
+            ALTER COLUMN created_at SET DEFAULT CURRENT_TIMESTAMP,
+            ALTER COLUMN updated_at TYPE TIMESTAMPTZ USING updated_at AT TIME ZONE 'America/Sao_Paulo',
+            ALTER COLUMN updated_at SET DEFAULT CURRENT_TIMESTAMP,
+            ALTER COLUMN sent_at TYPE TIMESTAMPTZ USING sent_at AT TIME ZONE 'America/Sao_Paulo';
+        `).catch(() => {});
+
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_stock_campaign_queue_status ON stock_campaign_queue (status);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_orders_cliente_fone ON orders (cliente_fone);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_orders_produto_id ON orders (produto_id);`);
+        await pool.query(`CREATE INDEX IF NOT EXISTS idx_orders_data_pedido_date ON orders (data_pedido_date);`);
 
         console.log('Database initialized successfully.');
     } catch (err) {

backend/mappers/orderMapper.js

@@ -11,14 +11,40 @@ const formatOrderRow = (row) => ({
     Fone_Cliente: row.cliente_fone
 });
 
+const normalizeOrderDate = (dateValue) => {
+    if (!dateValue) return null;
+
+    const value = String(dateValue).trim();
+    const match = value.match(/^(\d{1,4})[-/](\d{1,2})[-/](\d{1,4})/);
+    if (!match) return null;
+
+    const [, first, second, third] = match;
+    const year = first.length === 4 ? Number(first) : Number(third);
+    const month = Number(second);
+    const day = first.length === 4 ? Number(third) : Number(first);
+    const date = new Date(Date.UTC(year, month - 1, day));
+
+    if (
+        date.getUTCFullYear() !== year ||
+        date.getUTCMonth() !== month - 1 ||
+        date.getUTCDate() !== day
+    ) {
+        return null;
+    }
+
+    return date.toISOString().slice(0, 10);
+};
+
 const normalizeOrderPayload = (item) => {
     const fallbackId = `${item.Nome_Cliente}_${item.Data_Pedido}_${item.Valor_Pedido}`;
     const orderId = item.id || item.ID_Pedido || (item.json && item.json.body && item.json.body.id) || fallbackId;
     const fone = item.Fone_Cliente || item.fone || item.celular || '';
+    const orderDate = item.Data_Pedido || '';
 
     return [
         item.Nome_Cliente || 'Unknown',
-        item.Data_Pedido || '',
+        orderDate,
+        normalizeOrderDate(orderDate),
         parseFloat(item.Valor_Pedido) || 0,
         item.ID_Produto || '',
         item.Descricao_Produto || '',
@@ -31,5 +57,6 @@ const normalizeOrderPayload = (item) => {
 
 module.exports = {
     formatOrderRow,
+    normalizeOrderDate,
     normalizeOrderPayload
 };

backend/package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "start": "node index.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "node --test"
   },
   "keywords": [],
   "author": "",

backend/routes/analyticsRoutes.js

@@ -0,0 +1,43 @@
+const express = require('express');
+const { verifyToken } = require('../auth');
+const {
+    getClientAnalytics,
+    getDashboardAnalytics,
+    getProductAnalytics
+} = require('../services/analyticsService');
+
+const router = express.Router();
+
+const getRange = (query) => ({
+    start: query.start,
+    end: query.end
+});
+
+router.get('/analytics/dashboard', verifyToken, async (req, res) => {
+    try {
+        res.json(await getDashboardAnalytics(getRange(req.query)));
+    } catch (error) {
+        console.error('Error fetching dashboard analytics:', error);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+});
+
+router.get('/analytics/products', verifyToken, async (req, res) => {
+    try {
+        res.json(await getProductAnalytics(getRange(req.query)));
+    } catch (error) {
+        console.error('Error fetching product analytics:', error);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+});
+
+router.get('/analytics/clients', verifyToken, async (req, res) => {
+    try {
+        res.json(await getClientAnalytics(getRange(req.query)));
+    } catch (error) {
+        console.error('Error fetching client analytics:', error);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+});
+
+module.exports = router;

backend/server.js

@@ -6,6 +6,7 @@ const dataRoutes = require('./routes/dataRoutes');
 const stockRoutes = require('./routes/stockRoutes');
 const campaignRoutes = require('./routes/campaignRoutes');
 const internalRoutes = require('./routes/internalRoutes');
+const analyticsRoutes = require('./routes/analyticsRoutes');
 
 const createApp = () => {
     const app = express();
@@ -17,6 +18,7 @@ const createApp = () => {
     app.use('/api', dataRoutes);
     app.use('/api', stockRoutes);
     app.use('/api', campaignRoutes);
+    app.use('/api', analyticsRoutes);
     app.use('/api/internal', internalRoutes);
 
     return app;

backend/services/analyticsService.js

@@ -0,0 +1,177 @@
+const { pool } = require('../db');
+
+const PRODUCT_NAME_SQL = "NULLIF(TRIM(split_part(COALESCE(produto_descricao, 'Unknown'), ' TAMANHO', 1)), '')";
+
+const normalizeDateParam = (value) => {
+    if (!value) return null;
+
+    const match = String(value).trim().match(/^(\d{4})-(\d{2})-(\d{2})$/);
+    if (!match) return null;
+
+    const [, yearValue, monthValue, dayValue] = match;
+    const year = Number(yearValue);
+    const month = Number(monthValue);
+    const day = Number(dayValue);
+    const date = new Date(Date.UTC(year, month - 1, day));
+
+    if (
+        date.getUTCFullYear() !== year ||
+        date.getUTCMonth() !== month - 1 ||
+        date.getUTCDate() !== day
+    ) {
+        return null;
+    }
+
+    return `${yearValue}-${monthValue}-${dayValue}`;
+};
+
+const buildDateFilter = ({ start, end } = {}) => {
+    const params = [];
+    const filters = ['data_pedido_date IS NOT NULL'];
+    const normalizedStart = normalizeDateParam(start);
+    const normalizedEnd = normalizeDateParam(end);
+
+    if (normalizedStart) {
+        params.push(normalizedStart);
+        filters.push(`data_pedido_date >= $${params.length}::date`);
+    }
+
+    if (normalizedEnd) {
+        params.push(normalizedEnd);
+        filters.push(`data_pedido_date <= $${params.length}::date`);
+    }
+
+    return {
+        params,
+        whereClause: `WHERE ${filters.join(' AND ')}`
+    };
+};
+
+const toNumber = (value) => Number(value || 0);
+
+const getDashboardAnalytics = async (range = {}) => {
+    const { params, whereClause } = buildDateFilter(range);
+    const [totalsResult, salesResult, revenueResult] = await Promise.all([
+        pool.query(`
+            SELECT
+                COALESCE(SUM(quantidade * valor_unitario), 0) as total_revenue,
+                COALESCE(SUM(quantidade), 0) as total_items,
+                COUNT(*)::int as order_line_count
+            FROM orders
+            ${whereClause};
+        `, params),
+        pool.query(`
+            SELECT
+                COALESCE(${PRODUCT_NAME_SQL}, 'Unknown') as name,
+                MAX(produto_id) as id,
+                COALESCE(SUM(quantidade), 0) as value
+            FROM orders
+            ${whereClause}
+            GROUP BY name
+            ORDER BY value DESC
+            LIMIT 10;
+        `, params),
+        pool.query(`
+            SELECT
+                COALESCE(${PRODUCT_NAME_SQL}, 'Unknown') as name,
+                MAX(produto_id) as id,
+                COALESCE(SUM(quantidade * valor_unitario), 0) as value
+            FROM orders
+            ${whereClause}
+            GROUP BY name
+            ORDER BY value DESC
+            LIMIT 10;
+        `, params)
+    ]);
+
+    const totals = totalsResult.rows[0] || {};
+    const orderLineCount = toNumber(totals.order_line_count);
+    const totalRevenue = toNumber(totals.total_revenue);
+
+    return {
+        range: {
+            start: normalizeDateParam(range.start),
+            end: normalizeDateParam(range.end)
+        },
+        totalRevenue,
+        totalOrders: toNumber(totals.total_items),
+        orderLineCount,
+        averageOrderValue: orderLineCount ? totalRevenue / orderLineCount : 0,
+        salesByProduct: salesResult.rows.map(row => ({
+            name: row.name,
+            id: row.id,
+            value: toNumber(row.value)
+        })),
+        revenueByProduct: revenueResult.rows.map(row => ({
+            name: row.name,
+            id: row.id,
+            value: toNumber(row.value)
+        }))
+    };
+};
+
+const getProductAnalytics = async (range = {}) => {
+    const { params, whereClause } = buildDateFilter(range);
+    const result = await pool.query(`
+        SELECT
+            COALESCE(${PRODUCT_NAME_SQL}, 'Unknown') as name,
+            MAX(produto_id) as id,
+            COALESCE(SUM(quantidade), 0) as quantity_sold,
+            COALESCE(SUM(quantidade * valor_unitario), 0) as revenue,
+            COUNT(*)::int as order_line_count,
+            MIN(data_pedido_date) as first_sale_date,
+            MAX(data_pedido_date) as last_sale_date
+        FROM orders
+        ${whereClause}
+        GROUP BY name
+        ORDER BY revenue DESC, quantity_sold DESC
+        LIMIT 500;
+    `, params);
+
+    return result.rows.map(row => ({
+        name: row.name,
+        id: row.id,
+        quantitySold: toNumber(row.quantity_sold),
+        revenue: toNumber(row.revenue),
+        orderLineCount: toNumber(row.order_line_count),
+        firstSaleDate: row.first_sale_date,
+        lastSaleDate: row.last_sale_date
+    }));
+};
+
+const getClientAnalytics = async (range = {}) => {
+    const { params, whereClause } = buildDateFilter(range);
+    const result = await pool.query(`
+        SELECT
+            MAX(cliente_nome) as name,
+            cliente_fone as phone,
+            COALESCE(SUM(quantidade), 0) as quantity_purchased,
+            COALESCE(SUM(quantidade * valor_unitario), 0) as total_spent,
+            COUNT(*)::int as order_line_count,
+            MAX(data_pedido_date) as last_purchase_date
+        FROM orders
+        ${whereClause}
+          AND cliente_fone IS NOT NULL
+          AND cliente_fone != ''
+        GROUP BY cliente_fone
+        ORDER BY total_spent DESC
+        LIMIT 500;
+    `, params);
+
+    return result.rows.map(row => ({
+        name: row.name,
+        phone: row.phone,
+        quantityPurchased: toNumber(row.quantity_purchased),
+        totalSpent: toNumber(row.total_spent),
+        orderLineCount: toNumber(row.order_line_count),
+        lastPurchaseDate: row.last_purchase_date
+    }));
+};
+
+module.exports = {
+    buildDateFilter,
+    getClientAnalytics,
+    getDashboardAnalytics,
+    getProductAnalytics,
+    normalizeDateParam
+};

backend/services/campaignFormatter.js

@@ -0,0 +1,92 @@
+const formatProductList = (productNames) => {
+    if (productNames.length <= 2) {
+        return productNames.join(' e ');
+    }
+
+    return `${productNames.slice(0, -1).join(', ')} e ${productNames[productNames.length - 1]}`;
+};
+
+const groupCampaignRowsByBaseProduct = (rows) => {
+    return rows.reduce((acc, row) => {
+        if (!acc[row.base_product_name]) acc[row.base_product_name] = [];
+        acc[row.base_product_name].push(row);
+        return acc;
+    }, {});
+};
+
+const mapCampaignProducts = (groups) => {
+    return Object.entries(groups)
+        .sort(([, aItems], [, bItems]) => {
+            return new Date(aItems[0].created_at).getTime() - new Date(bItems[0].created_at).getTime();
+        })
+        .map(([baseProductName, items]) => {
+            const sortedItems = [...items].sort((a, b) => String(a.nome).localeCompare(String(b.nome), 'pt-BR'));
+
+            return {
+                baseProduct: baseProductName,
+                total_delta: sortedItems.reduce((sum, item) => sum + Number(item.delta_estoque || 0), 0),
+                sizes: sortedItems.map(item => ({
+                    id: item.produto_id,
+                    nome: item.nome,
+                    delta: item.delta_estoque,
+                    saldo: item.saldo
+                })),
+                itemIds: sortedItems.map(item => item.id)
+            };
+        });
+};
+
+const buildWhatsappCampaignPayload = (products, customers) => {
+    const productNames = products.map(product => product.baseProduct);
+    const productsText = formatProductList(productNames);
+    const allSizes = products.flatMap(product => product.sizes);
+    const totalDelta = products.reduce((sum, product) => sum + product.total_delta, 0);
+
+    return {
+        baseProduct: productsText,
+        productsText,
+        total_delta: totalDelta,
+        sizes: allSizes,
+        products: products.map(({ itemIds, ...product }) => product),
+        customers
+    };
+};
+
+const groupCampaignRows = (rows) => {
+    return Object.values(rows.reduce((acc, row) => {
+        const key = `${row.base_product_name}:${row.status}`;
+        if (!acc[key]) {
+            acc[key] = {
+                key,
+                baseProductName: row.base_product_name,
+                status: row.status,
+                totalDelta: 0,
+                rowCount: 0,
+                attempts: 0,
+                lastError: null,
+                createdAt: row.created_at,
+                updatedAt: row.updated_at,
+                sentAt: row.sent_at,
+                items: []
+            };
+        }
+
+        acc[key].totalDelta += Number(row.delta_estoque || 0);
+        acc[key].rowCount += 1;
+        acc[key].attempts = Math.max(acc[key].attempts, Number(row.attempts || 0));
+        acc[key].lastError = row.last_error || acc[key].lastError;
+        acc[key].createdAt = new Date(row.created_at) < new Date(acc[key].createdAt) ? row.created_at : acc[key].createdAt;
+        acc[key].updatedAt = new Date(row.updated_at) > new Date(acc[key].updatedAt) ? row.updated_at : acc[key].updatedAt;
+        acc[key].sentAt = row.sent_at || acc[key].sentAt;
+        acc[key].items.push(row);
+        return acc;
+    }, {})).sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
+};
+
+module.exports = {
+    buildWhatsappCampaignPayload,
+    formatProductList,
+    groupCampaignRows,
+    groupCampaignRowsByBaseProduct,
+    mapCampaignProducts
+};

backend/services/campaignService.js

@@ -1,5 +1,12 @@
 const { pool } = require('../db');
 const { N8N_WHATSAPP_TRIGGER_URL } = require('../config');
+const {
+    buildWhatsappCampaignPayload,
+    formatProductList,
+    groupCampaignRows,
+    groupCampaignRowsByBaseProduct,
+    mapCampaignProducts
+} = require('./campaignFormatter');
 
 const TOP_BUYERS_LIMIT = 100;
 const MAX_CAMPAIGN_ATTEMPTS = 3;
@@ -109,37 +116,6 @@ const getCampaignQueueRows = async () => {
     return result.rows;
 };
 
-const groupCampaignRows = (rows) => {
-    return Object.values(rows.reduce((acc, row) => {
-        const key = `${row.base_product_name}:${row.status}`;
-        if (!acc[key]) {
-            acc[key] = {
-                key,
-                baseProductName: row.base_product_name,
-                status: row.status,
-                totalDelta: 0,
-                rowCount: 0,
-                attempts: 0,
-                lastError: null,
-                createdAt: row.created_at,
-                updatedAt: row.updated_at,
-                sentAt: row.sent_at,
-                items: []
-            };
-        }
-
-        acc[key].totalDelta += Number(row.delta_estoque || 0);
-        acc[key].rowCount += 1;
-        acc[key].attempts = Math.max(acc[key].attempts, Number(row.attempts || 0));
-        acc[key].lastError = row.last_error || acc[key].lastError;
-        acc[key].createdAt = new Date(row.created_at) < new Date(acc[key].createdAt) ? row.created_at : acc[key].createdAt;
-        acc[key].updatedAt = new Date(row.updated_at) > new Date(acc[key].updatedAt) ? row.updated_at : acc[key].updatedAt;
-        acc[key].sentAt = row.sent_at || acc[key].sentAt;
-        acc[key].items.push(row);
-        return acc;
-    }, {})).sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
-};
-
 const getCampaignQueueSummary = async () => {
     const rows = await getCampaignQueueRows();
     return {
@@ -158,11 +134,7 @@ const getCampaignPreview = async () => {
           AND attempts < $1
         ORDER BY created_at ASC, id ASC;
     `, [MAX_CAMPAIGN_ATTEMPTS]);
-    const groups = result.rows.reduce((acc, row) => {
+    const groups = groupCampaignRowsByBaseProduct(result.rows);
-        if (!acc[row.base_product_name]) acc[row.base_product_name] = [];
-        acc[row.base_product_name].push(row);
-        return acc;
-    }, {});
     const readyGroups = {};
     const belowThresholdGroups = {};
 
@@ -233,53 +205,11 @@ const updateCampaignItemsStatus = async (ids, status, errorMessage = null) => {
     `, [status, errorMessage, ids]);
 };
 
-const formatProductList = (productNames) => {
-    if (productNames.length <= 2) {
-        return productNames.join(' e ');
-    }
-
-    return `${productNames.slice(0, -1).join(', ')} e ${productNames[productNames.length - 1]}`;
-};
-
-const mapCampaignProducts = (groups) => {
-    return Object.entries(groups)
-        .sort(([, aItems], [, bItems]) => {
-            return new Date(aItems[0].created_at).getTime() - new Date(bItems[0].created_at).getTime();
-        })
-        .map(([baseProductName, items]) => {
-            const sortedItems = [...items].sort((a, b) => String(a.nome).localeCompare(String(b.nome), 'pt-BR'));
-
-            return {
-                baseProduct: baseProductName,
-                total_delta: sortedItems.reduce((sum, item) => sum + Number(item.delta_estoque || 0), 0),
-                sizes: sortedItems.map(item => ({
-                    id: item.produto_id,
-                    nome: item.nome,
-                    delta: item.delta_estoque,
-                    saldo: item.saldo
-                })),
-                itemIds: sortedItems.map(item => item.id)
-            };
-        });
-};
-
 const sendWhatsappCampaign = async (products, customers) => {
-    const productNames = products.map(product => product.baseProduct);
-    const productsText = formatProductList(productNames);
-    const allSizes = products.flatMap(product => product.sizes);
-    const totalDelta = products.reduce((sum, product) => sum + product.total_delta, 0);
-
     const response = await fetch(N8N_WHATSAPP_TRIGGER_URL, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
+        body: JSON.stringify(buildWhatsappCampaignPayload(products, customers))
-            baseProduct: productsText,
-            productsText,
-            total_delta: totalDelta,
-            sizes: allSizes,
-            products: products.map(({ itemIds, ...product }) => product),
-            customers
-        })
     });
 
     if (!response.ok) {
@@ -301,11 +231,7 @@ const processPendingStockCampaigns = async () => {
         return summary;
     }
 
-    const groups = rows.reduce((acc, row) => {
+    const groups = groupCampaignRowsByBaseProduct(rows);
-        if (!acc[row.base_product_name]) acc[row.base_product_name] = [];
-        acc[row.base_product_name].push(row);
-        return acc;
-    }, {});
     const products = mapCampaignProducts(groups);
     const ids = products.flatMap(product => product.itemIds);
     const customers = await getTopBuyersAllTime();

backend/services/ordersService.js

@@ -14,12 +14,13 @@ const upsertOrders = async (payload) => {
 
         const insertQuery = `
             INSERT INTO orders (
-                cliente_nome, data_pedido, valor_pedido,
+                cliente_nome, data_pedido, data_pedido_date, valor_pedido,
                 produto_id, produto_descricao, quantidade, valor_unitario, pedido_id, cliente_fone
-            ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+            ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
             ON CONFLICT (pedido_id, produto_id) DO UPDATE SET
                 cliente_nome = EXCLUDED.cliente_nome,
                 data_pedido = EXCLUDED.data_pedido,
+                data_pedido_date = EXCLUDED.data_pedido_date,
                 valor_pedido = EXCLUDED.valor_pedido,
                 produto_descricao = EXCLUDED.produto_descricao,
                 quantidade = EXCLUDED.quantidade,

backend/test/analyticsService.test.js

@@ -0,0 +1,34 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const { buildDateFilter, normalizeDateParam } = require('../services/analyticsService');
+
+test('normalizeDateParam accepts strict ISO dates', () => {
+    assert.equal(normalizeDateParam('2026-05-28'), '2026-05-28');
+});
+
+test('normalizeDateParam rejects non-ISO or impossible dates', () => {
+    assert.equal(normalizeDateParam('28/05/2026'), null);
+    assert.equal(normalizeDateParam('2026-02-31'), null);
+    assert.equal(normalizeDateParam(''), null);
+});
+
+test('buildDateFilter builds bounded date predicates', () => {
+    const filter = buildDateFilter({ start: '2026-05-01', end: '2026-05-28' });
+
+    assert.deepEqual(filter.params, ['2026-05-01', '2026-05-28']);
+    assert.equal(
+        filter.whereClause,
+        'WHERE data_pedido_date IS NOT NULL AND data_pedido_date >= $1::date AND data_pedido_date <= $2::date'
+    );
+});
+
+test('buildDateFilter ignores invalid bounds', () => {
+    const filter = buildDateFilter({ start: 'invalid', end: '2026-05-28' });
+
+    assert.deepEqual(filter.params, ['2026-05-28']);
+    assert.equal(
+        filter.whereClause,
+        'WHERE data_pedido_date IS NOT NULL AND data_pedido_date <= $1::date'
+    );
+});

backend/test/campaignFormatter.test.js

@@ -0,0 +1,103 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const {
+    buildWhatsappCampaignPayload,
+    formatProductList,
+    groupCampaignRows,
+    groupCampaignRowsByBaseProduct,
+    mapCampaignProducts
+} = require('../services/campaignFormatter');
+
+const row = (overrides) => ({
+    id: 1,
+    base_product_name: 'BASE LISA CAMISETA COR BRANCO',
+    produto_id: 'SKU-1',
+    nome: 'BASE LISA CAMISETA COR BRANCO TAMANHO - P',
+    saldo: 10,
+    delta_estoque: 10,
+    status: 'pending',
+    attempts: 0,
+    last_error: null,
+    created_at: '2026-05-28T10:00:00.000Z',
+    updated_at: '2026-05-28T10:00:00.000Z',
+    sent_at: null,
+    ...overrides
+});
+
+test('formatProductList uses Portuguese list joining', () => {
+    assert.equal(formatProductList([]), '');
+    assert.equal(formatProductList(['BONÉ - PRETO']), 'BONÉ - PRETO');
+    assert.equal(formatProductList(['BONÉ - PRETO', 'BASE BRANCA']), 'BONÉ - PRETO e BASE BRANCA');
+    assert.equal(
+        formatProductList(['BONÉ - PRETO', 'BASE BRANCA', 'BASE PRETA']),
+        'BONÉ - PRETO, BASE BRANCA e BASE PRETA'
+    );
+});
+
+test('mapCampaignProducts accumulates split deltas by base product', () => {
+    const groups = groupCampaignRowsByBaseProduct([
+        row({ id: 1, delta_estoque: 10, produto_id: 'SKU-P', nome: 'Produto Split TAMANHO - P' }),
+        row({ id: 2, delta_estoque: 50, produto_id: 'SKU-M', nome: 'Produto Split TAMANHO - M' }),
+        row({ id: 3, delta_estoque: 40, produto_id: 'SKU-G', nome: 'Produto Split TAMANHO - G' })
+    ]);
+
+    const products = mapCampaignProducts(groups);
+
+    assert.equal(products.length, 1);
+    assert.equal(products[0].total_delta, 100);
+    assert.deepEqual(products[0].itemIds, [3, 2, 1]);
+    assert.deepEqual(products[0].sizes.map(size => size.id), ['SKU-G', 'SKU-M', 'SKU-P']);
+});
+
+test('buildWhatsappCampaignPayload combines multiple ready products into one message payload', () => {
+    const products = mapCampaignProducts(groupCampaignRowsByBaseProduct([
+        row({
+            id: 1,
+            base_product_name: 'BONÉ - PRETO',
+            produto_id: 'BONE-P',
+            nome: 'BONÉ - PRETO TAMANHO - P',
+            delta_estoque: 100,
+            created_at: '2026-05-28T10:00:00.000Z'
+        }),
+        row({
+            id: 2,
+            base_product_name: 'BASE LISA CAMISETA COR BRANCO',
+            produto_id: 'BASE-P',
+            nome: 'BASE LISA CAMISETA COR BRANCO TAMANHO - P',
+            delta_estoque: 100,
+            created_at: '2026-05-28T11:00:00.000Z'
+        })
+    ]));
+    const payload = buildWhatsappCampaignPayload(products, [{ nome: 'Cliente', fone: '5511999999999' }]);
+
+    assert.equal(payload.productsText, 'BONÉ - PRETO e BASE LISA CAMISETA COR BRANCO');
+    assert.equal(payload.baseProduct, payload.productsText);
+    assert.equal(payload.total_delta, 200);
+    assert.equal(payload.products.length, 2);
+    assert.equal(payload.sizes.length, 2);
+    assert.deepEqual(Object.keys(payload.products[0]).includes('itemIds'), false);
+});
+
+test('groupCampaignRows summarizes rows by base product and status', () => {
+    const groups = groupCampaignRows([
+        row({ id: 1, delta_estoque: 60, attempts: 1, updated_at: '2026-05-28T10:00:00.000Z' }),
+        row({ id: 2, delta_estoque: 40, attempts: 2, updated_at: '2026-05-28T10:05:00.000Z' }),
+        row({
+            id: 3,
+            base_product_name: 'BONÉ - PRETO',
+            status: 'failed',
+            delta_estoque: 100,
+            attempts: 3,
+            last_error: 'Webhook failed',
+            updated_at: '2026-05-28T11:00:00.000Z'
+        })
+    ]);
+
+    assert.equal(groups.length, 2);
+    assert.equal(groups[0].baseProductName, 'BONÉ - PRETO');
+    assert.equal(groups[0].lastError, 'Webhook failed');
+    assert.equal(groups[1].baseProductName, 'BASE LISA CAMISETA COR BRANCO');
+    assert.equal(groups[1].totalDelta, 100);
+    assert.equal(groups[1].rowCount, 2);
+    assert.equal(groups[1].attempts, 2);
+});

backend/test/orderMapper.test.js

@@ -0,0 +1,37 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const { normalizeOrderDate, normalizeOrderPayload } = require('../mappers/orderMapper');
+
+test('normalizeOrderDate accepts Brazilian display dates', () => {
+    assert.equal(normalizeOrderDate('28/05/2026'), '2026-05-28');
+    assert.equal(normalizeOrderDate('28-05-2026'), '2026-05-28');
+});
+
+test('normalizeOrderDate accepts ISO-like dates', () => {
+    assert.equal(normalizeOrderDate('2026-05-28'), '2026-05-28');
+    assert.equal(normalizeOrderDate('2026/05/28 10:30:00'), '2026-05-28');
+});
+
+test('normalizeOrderDate rejects invalid dates', () => {
+    assert.equal(normalizeOrderDate(''), null);
+    assert.equal(normalizeOrderDate('not a date'), null);
+    assert.equal(normalizeOrderDate('31/02/2026'), null);
+});
+
+test('normalizeOrderPayload includes normalized date without changing display date', () => {
+    const payload = normalizeOrderPayload({
+        Nome_Cliente: 'Cliente Teste',
+        Data_Pedido: '28/05/2026',
+        Valor_Pedido: '120.50',
+        ID_Produto: 'SKU-1',
+        Descricao_Produto: 'Produto',
+        Quantidade: '2',
+        Valor_Unitario: '60.25',
+        ID_Pedido: 'ORDER-1',
+        Fone_Cliente: '(16) 99999-9999'
+    });
+
+    assert.equal(payload[1], '28/05/2026');
+    assert.equal(payload[2], '2026-05-28');
+});

src/App.tsx

@@ -1,15 +1,17 @@
-import React from 'react';
+import React, { Suspense } from 'react';
 import { Routes, Route, Navigate, useLocation } from 'react-router-dom';
+import { Loader2 } from 'lucide-react';
 import Layout from './components/Layout';
-import Dashboard from './pages/Dashboard';
-import Products from './pages/Products';
-import ProductDetails from './pages/ProductDetails';
-import Clients from './pages/Clients';
-import ClientDetails from './pages/ClientDetails';
-import Campaigns from './pages/Campaigns';
-import Login from './pages/Login';
 import { isAuthenticated } from './dataService';
 
+const Dashboard = React.lazy(() => import('./pages/Dashboard'));
+const Products = React.lazy(() => import('./pages/Products'));
+const ProductDetails = React.lazy(() => import('./pages/ProductDetails'));
+const Clients = React.lazy(() => import('./pages/Clients'));
+const ClientDetails = React.lazy(() => import('./pages/ClientDetails'));
+const Campaigns = React.lazy(() => import('./pages/Campaigns'));
+const Login = React.lazy(() => import('./pages/Login'));
+
 function PrivateRoute({ children }: { children: React.ReactNode }) {
   const location = useLocation();
   if (!isAuthenticated()) {
@@ -18,8 +20,15 @@ function PrivateRoute({ children }: { children: React.ReactNode }) {
   return children;
 }
 
+const RouteFallback = () => (
+  <div className="flex min-h-screen items-center justify-center bg-dark-bg text-brand-primary">
+    <Loader2 className="h-8 w-8 animate-spin" />
+  </div>
+);
+
 function App() {
   return (
+    <Suspense fallback={<RouteFallback />}>
       <Routes>
         <Route path="/login" element={<Login />} />
         <Route path="/" element={<Navigate to="/graph" replace />} />
@@ -32,6 +41,7 @@ function App() {
           <Route path="campaigns" element={<Campaigns />} />
         </Route>
       </Routes>
+    </Suspense>
   );
 }