test: add campaign queue coverage

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) => {
-        if (!acc[row.base_product_name]) acc[row.base_product_name] = [];
-        acc[row.base_product_name].push(row);
-        return acc;
-    }, {});
+    const groups = groupCampaignRowsByBaseProduct(result.rows);
     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({
-            baseProduct: productsText,
-            productsText,
-            total_delta: totalDelta,
-            sizes: allSizes,
-            products: products.map(({ itemIds, ...product }) => product),
-            customers
-        })
+        body: JSON.stringify(buildWhatsappCampaignPayload(products, customers))
     });
 
     if (!response.ok) {
@@ -301,11 +231,7 @@ const processPendingStockCampaigns = async () => {
         return summary;
     }
 
-    const groups = 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 groups = groupCampaignRowsByBaseProduct(rows);
     const products = mapCampaignProducts(groups);
     const ids = products.flatMap(product => product.itemIds);
     const customers = await getTopBuyersAllTime();