Support Tiny Olist V3 product compositions

backend/db.js

@@ -182,6 +182,40 @@ const initDB = async () => {
             );
         `);
 
+        await pool.query(`
+            CREATE TABLE IF NOT EXISTS product_compositions (
+                id SERIAL PRIMARY KEY,
+                source VARCHAR(60) NOT NULL,
+                external_source_id VARCHAR(120) NOT NULL,
+                finished_product_identity VARCHAR(255) NOT NULL,
+                finished_product_sku VARCHAR(255),
+                finished_product_description TEXT NOT NULL,
+                finished_product_unit VARCHAR(30) NOT NULL DEFAULT 'UN',
+                finished_tiny_product_id VARCHAR(100),
+                source_metadata JSONB NOT NULL DEFAULT '{}'::jsonb,
+                last_synced_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+                created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+                UNIQUE (source, finished_product_identity)
+            );
+        `);
+
+        await pool.query(`
+            CREATE TABLE IF NOT EXISTS product_composition_components (
+                id SERIAL PRIMARY KEY,
+                product_composition_id INTEGER NOT NULL REFERENCES product_compositions(id) ON DELETE CASCADE,
+                component_identity VARCHAR(255) NOT NULL,
+                component_tiny_id VARCHAR(100),
+                component_sku VARCHAR(255),
+                component_name TEXT NOT NULL,
+                quantity_per_unit NUMERIC(14, 4) NOT NULL DEFAULT 0,
+                unit VARCHAR(30),
+                created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+                UNIQUE (product_composition_id, component_identity)
+            );
+        `);
+
         await pool.query(`
             CREATE TABLE IF NOT EXISTS cutting_family_rules (
                 family_key VARCHAR(20) PRIMARY KEY,
@@ -504,6 +538,8 @@ const initDB = async () => {
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_production_order_components_order_id ON production_order_components (production_order_id);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_production_order_components_sku ON production_order_components (component_sku);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_production_order_steps_order_id ON production_order_steps (production_order_id);`);
+        await pool.query(`CREATE INDEX IF NOT EXISTS idx_product_compositions_finished_tiny_id ON product_compositions (finished_tiny_product_id);`);
+        await pool.query(`CREATE INDEX IF NOT EXISTS idx_product_composition_components_tiny_id ON product_composition_components (component_tiny_id);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_cutting_product_overrides_family_key ON cutting_product_overrides (family_key);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_catalog_products_type ON catalog_products (type);`);
         await pool.query(`CREATE INDEX IF NOT EXISTS idx_catalog_products_category_id ON catalog_products (category_id);`);

backend/routes/analyticsRoutes.js

@@ -10,6 +10,7 @@ const {
     getProductDetailsAnalytics,
     getRfmAnalytics
 } = require('../services/analyticsService');
+const { getProductComposition } = require('../services/productionOrderService');
 
 const router = express.Router();
 
@@ -58,6 +59,16 @@ router.get('/analytics/products/:productId/details', verifyToken, async (req, re
     }
 });
 
+router.get('/analytics/products/:productId/composition', verifyToken, async (req, res) => {
+    try {
+        const composition = await getProductComposition(req.params.productId);
+        res.json({ composition });
+    } catch (error) {
+        console.error('Error fetching product composition:', error);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+});
+
 router.get('/analytics/clients', verifyToken, async (req, res) => {
     try {
         res.json(await getClientAnalytics(getClientAnalyticsFilters(req.query)));

backend/services/productionOrderService.js

@@ -650,9 +650,223 @@ const normalizeSteps = (steps = []) => (
     color: normalizeText(step.color || step.cor)
 })).filter(step => step.name);
 
+const TINY_OLIST_V3_COMPOSITION_SOURCE = 'tiny_olist_v3';
+const TINY_OLIST_V3_COMPOSITION_PREFIX = 'STRUCTURE-V3-';
+
+const isTinyOlistV3Composition = (order) => order.tinyId.startsWith(TINY_OLIST_V3_COMPOSITION_PREFIX);
+
+const getTinyProductIdFromCompositionReference = (tinyId) => (
+    tinyId.slice(TINY_OLIST_V3_COMPOSITION_PREFIX.length)
+);
+
+const normalizeCompositionComponents = (components) => {
+    const byIdentity = new Map();
+
+    for (const component of components) {
+        const componentIdentity = normalizeSku(component.componentSku)
+            || normalizeText(component.componentTinyId)
+            || normalizeText(component.componentName).toUpperCase();
+        if (!componentIdentity) continue;
+
+        byIdentity.set(componentIdentity, {
+            ...component,
+            componentSku: normalizeSku(component.componentSku),
+            componentIdentity
+        });
+    }
+
+    return [...byIdentity.values()];
+};
+
+const mapProductCompositionRow = (row) => ({
+    id: Number(row.id),
+    source: row.source,
+    externalSourceId: row.external_source_id,
+    finishedProductSku: row.finished_product_sku || '',
+    finishedProductDescription: row.finished_product_description || '',
+    finishedProductUnit: row.finished_product_unit || 'UN',
+    finishedTinyProductId: row.finished_tiny_product_id || '',
+    sourceMetadata: row.source_metadata || {},
+    lastSyncedAt: row.last_synced_at || null,
+    components: Array.isArray(row.components) ? row.components.map(component => ({
+        id: Number(component.id),
+        componentTinyId: component.component_tiny_id || '',
+        componentSku: component.component_sku || '',
+        componentName: component.component_name || '',
+        quantityPerUnit: Number(component.quantity_per_unit || 0),
+        unit: component.unit || '',
+        productId: component.component_product_id || null
+    })) : []
+});
+
+const getProductComposition = async (productId, client = pool) => {
+    const identity = normalizeText(productId);
+    if (!identity) return null;
+
+    const result = await client.query(`
+        SELECT
+            composition.id,
+            composition.source,
+            composition.external_source_id,
+            composition.finished_product_sku,
+            composition.finished_product_description,
+            composition.finished_product_unit,
+            composition.finished_tiny_product_id,
+            composition.source_metadata,
+            composition.last_synced_at,
+            COALESCE(
+                (
+                    SELECT JSON_AGG(
+                        JSON_BUILD_OBJECT(
+                            'id', component.id,
+                            'component_tiny_id', component.component_tiny_id,
+                            'component_sku', component.component_sku,
+                            'component_name', component.component_name,
+                            'quantity_per_unit', component.quantity_per_unit,
+                            'unit', component.unit,
+                            'component_product_id', COALESCE(
+                                (
+                                    SELECT stock_match.produto_id
+                                    FROM stock stock_match
+                                    WHERE stock_match.produto_id = component.component_tiny_id
+                                       OR stock_match.produto_id = component.component_sku
+                                    LIMIT 1
+                                ),
+                                (
+                                    SELECT order_match.produto_id
+                                    FROM orders order_match
+                                    WHERE order_match.produto_id = component.component_tiny_id
+                                       OR order_match.produto_id = component.component_sku
+                                    LIMIT 1
+                                )
+                            )
+                        )
+                        ORDER BY component.id
+                    )
+                    FROM product_composition_components component
+                    WHERE component.product_composition_id = composition.id
+                ),
+                '[]'::json
+            ) AS components
+        FROM product_compositions composition
+        WHERE composition.source = $1
+          AND (
+              composition.finished_tiny_product_id = $2
+              OR composition.finished_product_sku = UPPER($2)
+          )
+        LIMIT 1;
+    `, [TINY_OLIST_V3_COMPOSITION_SOURCE, identity]);
+
+    return result.rows[0] ? mapProductCompositionRow(result.rows[0]) : null;
+};
+
+const upsertTinyProductComposition = async (order, components) => {
+    const finishedTinyProductId = getTinyProductIdFromCompositionReference(order.tinyId);
+    const finishedProductSku = normalizeSku(order.productSku);
+    const finishedProductIdentity = finishedProductSku || finishedTinyProductId;
+
+    if (!finishedProductIdentity) {
+        const error = new Error('SKU ou ID Tiny do produto acabado é obrigatório para a composição.');
+        error.statusCode = 400;
+        throw error;
+    }
+
+    const normalizedComponents = normalizeCompositionComponents(components);
+    const client = await pool.connect();
+
+    try {
+        await client.query('BEGIN');
+        const existingResult = await client.query(`
+            SELECT id
+            FROM product_compositions
+            WHERE source = $1 AND finished_product_identity = $2
+            LIMIT 1;
+        `, [TINY_OLIST_V3_COMPOSITION_SOURCE, finishedProductIdentity]);
+
+        let compositionId = existingResult.rows[0]?.id;
+        const values = [
+            order.tinyId,
+            finishedProductIdentity,
+            finishedProductSku || null,
+            order.productDescription,
+            order.unit,
+            finishedTinyProductId || null,
+            JSON.stringify({
+                provider: 'Tiny/Olist V3',
+                notes: order.notes || null,
+                payload: order.rawPayload
+            })
+        ];
+
+        if (compositionId) {
+            await client.query(`
+                UPDATE product_compositions
+                SET external_source_id = $1,
+                    finished_product_sku = $3,
+                    finished_product_description = $4,
+                    finished_product_unit = $5,
+                    finished_tiny_product_id = $6,
+                    source_metadata = $7::jsonb,
+                    last_synced_at = CURRENT_TIMESTAMP,
+                    updated_at = CURRENT_TIMESTAMP
+                WHERE id = $8;
+            `, [...values, compositionId]);
+        } else {
+            const insertResult = await client.query(`
+                INSERT INTO product_compositions (
+                    source, external_source_id, finished_product_identity,
+                    finished_product_sku, finished_product_description, finished_product_unit,
+                    finished_tiny_product_id, source_metadata, last_synced_at
+                )
+                VALUES ($1, $2, $3, $4, $5, $6, $7, $8::jsonb, CURRENT_TIMESTAMP)
+                RETURNING id;
+            `, [
+                TINY_OLIST_V3_COMPOSITION_SOURCE,
+                ...values
+            ]);
+            compositionId = insertResult.rows[0].id;
+        }
+
+        await client.query('DELETE FROM product_composition_components WHERE product_composition_id = $1;', [compositionId]);
+        for (const component of normalizedComponents) {
+            await client.query(`
+                INSERT INTO product_composition_components (
+                    product_composition_id, component_identity, component_tiny_id,
+                    component_sku, component_name, quantity_per_unit, unit
+                )
+                VALUES ($1, $2, NULLIF($3, ''), NULLIF($4, ''), $5, $6, NULLIF($7, ''));
+            `, [
+                compositionId,
+                component.componentIdentity,
+                component.componentTinyId,
+                component.componentSku,
+                component.componentName,
+                component.quantityPerUnit,
+                component.unit
+            ]);
+        }
+
+        await client.query('COMMIT');
+        return {
+            composition: await getProductComposition(finishedTinyProductId || finishedProductSku),
+            componentCount: normalizedComponents.length
+        };
+    } catch (error) {
+        await client.query('ROLLBACK');
+        throw error;
+    } finally {
+        client.release();
+    }
+};
+
 const upsertTinyProductionOrderDetail = async (payload = {}) => {
     const order = resolveTinyOrderPayload(payload);
     const components = normalizeComponents(payload.components || payload.composition || payload.composicao, order.quantity);
+
+    if (isTinyOlistV3Composition(order)) {
+        return upsertTinyProductComposition(order, components);
+    }
+
     const steps = normalizeSteps(payload.steps || payload.etapas);
     const client = await pool.connect();
 
@@ -836,6 +1050,7 @@ const updateProductionOrderStatus = async (id, status) => {
 
 module.exports = {
     createProductionOrders,
+    getProductComposition,
     listProductionOrders,
     normalizeStatus,
     upsertTinyProductionOrderDetail,

backend/test/productCompositionService.test.js

@@ -0,0 +1,264 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const { pool } = require('../db');
+const productionOrderRouter = require('../routes/productionOrderRoutes');
+const analyticsRouter = require('../routes/analyticsRoutes');
+
+const getRouteHandler = (router, method, path) => {
+    const route = router.stack.find(layer => layer.route?.path === path && layer.route.methods[method]);
+    if (!route) throw new Error(`Route not found: ${method.toUpperCase()} ${path}`);
+    return route.route.stack.at(-1).handle;
+};
+
+const tinySyncHandler = getRouteHandler(productionOrderRouter, 'post', '/production-orders/tiny-sync');
+const productCompositionHandler = getRouteHandler(analyticsRouter, 'get', '/analytics/products/:productId/composition');
+
+const invokeHandler = async (handler, req) => {
+    let statusCode = 200;
+    let body;
+    const res = {
+        status(code) {
+            statusCode = code;
+            return this;
+        },
+        json(payload) {
+            body = payload;
+            return this;
+        }
+    };
+    await handler(req, res);
+    return { statusCode, body };
+};
+
+const compositionPayload = (components = [
+    {
+        componentTinyId: '919498232',
+        componentName: 'ETIQUETA DE TAMANHO GG',
+        componentSku: 'ETIQ.T.GG',
+        quantityPerUnit: '1',
+        totalQuantity: '1',
+        unit: 'UN'
+    },
+    {
+        componentTinyId: '976059144',
+        componentName: '6118 MALHA CAMISETA 30OE COR CAFE',
+        componentSku: 'MC.30.CAF',
+        quantityPerUnit: '0.1851',
+        totalQuantity: '0.1851',
+        unit: 'KG'
+    }
+]) => ({
+    order: {
+        tinyId: 'STRUCTURE-V3-976058813',
+        number: 'STRUCTURE-V3-BLCS.CAF.GG',
+        status: 'completed',
+        productSku: 'BLCS.CAF.GG',
+        productDescription: 'BASE LISA CAMISETA COR CAFE TAMANHO - GG',
+        quantity: '1',
+        unit: 'UN',
+        notes: 'Composição sincronizada da API pública Olist V3.'
+    },
+    components,
+    steps: []
+});
+
+const withFakeDatabase = async (run) => {
+    const originalConnect = pool.connect;
+    const originalQuery = pool.query;
+    const state = {
+        nextCompositionId: 1,
+        nextOrderId: 1,
+        compositions: [],
+        compositionComponents: [],
+        productionOrders: []
+    };
+
+    const query = async (sql, params = []) => {
+        const normalizedSql = String(sql).replace(/\s+/g, ' ').trim();
+
+        if (/^(BEGIN|COMMIT|ROLLBACK);?$/.test(normalizedSql)) return { rows: [] };
+
+        if (normalizedSql.startsWith('SELECT id FROM product_compositions WHERE source')) {
+            const composition = state.compositions.find(item => item.source === params[0] && item.finished_product_identity === params[1]);
+            return { rows: composition ? [{ id: composition.id }] : [] };
+        }
+
+        if (normalizedSql.startsWith('INSERT INTO product_compositions')) {
+            const composition = {
+                id: state.nextCompositionId++,
+                source: params[0],
+                external_source_id: params[1],
+                finished_product_identity: params[2],
+                finished_product_sku: params[3],
+                finished_product_description: params[4],
+                finished_product_unit: params[5],
+                finished_tiny_product_id: params[6],
+                source_metadata: JSON.parse(params[7]),
+                last_synced_at: '2026-07-29T12:00:00.000Z'
+            };
+            state.compositions.push(composition);
+            return { rows: [{ id: composition.id }] };
+        }
+
+        if (normalizedSql.startsWith('UPDATE product_compositions')) {
+            const composition = state.compositions.find(item => item.id === params[7]);
+            composition.external_source_id = params[0];
+            composition.finished_product_sku = params[2];
+            composition.finished_product_description = params[3];
+            composition.finished_product_unit = params[4];
+            composition.finished_tiny_product_id = params[5];
+            composition.source_metadata = JSON.parse(params[6]);
+            return { rows: [] };
+        }
+
+        if (normalizedSql.startsWith('DELETE FROM product_composition_components')) {
+            state.compositionComponents = state.compositionComponents.filter(item => item.product_composition_id !== params[0]);
+            return { rows: [] };
+        }
+
+        if (normalizedSql.startsWith('INSERT INTO product_composition_components')) {
+            state.compositionComponents.push({
+                id: state.compositionComponents.length + 1,
+                product_composition_id: params[0],
+                component_identity: params[1],
+                component_tiny_id: params[2],
+                component_sku: params[3],
+                component_name: params[4],
+                quantity_per_unit: params[5],
+                unit: params[6]
+            });
+            return { rows: [] };
+        }
+
+        if (normalizedSql.includes('FROM product_compositions composition')) {
+            const composition = state.compositions.find(item => (
+                item.source === params[0]
+                && (item.finished_tiny_product_id === params[1] || item.finished_product_sku === String(params[1]).toUpperCase())
+            ));
+            if (!composition) return { rows: [] };
+            return {
+                rows: [{
+                    ...composition,
+                    components: state.compositionComponents
+                        .filter(item => item.product_composition_id === composition.id)
+                        .map(item => ({ ...item, component_product_id: null }))
+                }]
+            };
+        }
+
+        if (normalizedSql.startsWith('SELECT id FROM production_orders')) {
+            return { rows: [] };
+        }
+
+        if (normalizedSql.startsWith('INSERT INTO production_orders')) {
+            const order = {
+                id: state.nextOrderId++,
+                tiny_id: params[0], number: params[1], status: params[2], order_reference: params[3],
+                issue_date: params[4], expected_date: params[5], product_sku: params[6],
+                product_description: params[7], quantity: params[8], unit: params[9],
+                integration_status: params[10], notes: params[11], supplier: params[12], lot_code: params[13],
+                roll_quantity: params[14], fabric_kg: params[15], rib_kg: params[16],
+                yield_pieces_per_kg: params[17], created_at: null, updated_at: null
+            };
+            state.productionOrders.push(order);
+            return { rows: [{ id: order.id }] };
+        }
+
+        if (normalizedSql.startsWith('DELETE FROM production_order_components') || normalizedSql.startsWith('DELETE FROM production_order_steps')) {
+            return { rows: [] };
+        }
+
+        if (normalizedSql.includes('FROM production_orders po') && normalizedSql.includes('WHERE po.id = $1')) {
+            const order = state.productionOrders.find(item => item.id === params[0]);
+            return { rows: order ? [{ ...order, markers: [], components: [], steps: [] }] : [] };
+        }
+
+        throw new Error(`Unexpected SQL in test double: ${normalizedSql.slice(0, 100)}`);
+    };
+
+    pool.query = query;
+    pool.connect = async () => ({ query, release() {} });
+    try {
+        await run(state);
+    } finally {
+        pool.connect = originalConnect;
+        pool.query = originalQuery;
+    }
+};
+
+test('Tiny/Olist V3 first import creates a composition without creating an OP', async () => {
+    await withFakeDatabase(async (state) => {
+        const response = await invokeHandler(tinySyncHandler, { body: compositionPayload() });
+        const result = response.body;
+
+        assert.equal(response.statusCode, 201);
+        assert.equal(result.componentCount, 2);
+        assert.equal(state.compositions.length, 1);
+        assert.equal(state.compositionComponents.length, 2);
+        assert.equal(state.productionOrders.length, 0);
+        assert.equal(result.composition.finishedTinyProductId, '976058813');
+    });
+});
+
+test('Tiny/Olist V3 re-sync replaces composition components without duplicates', async () => {
+    await withFakeDatabase(async (state) => {
+        await invokeHandler(tinySyncHandler, { body: compositionPayload() });
+        await invokeHandler(tinySyncHandler, { body: compositionPayload([
+            {
+                componentTinyId: '976059144', componentName: 'MALHA ATUALIZADA', componentSku: 'MC.30.CAF',
+                quantityPerUnit: '0.2', totalQuantity: '0.2', unit: 'KG'
+            },
+            {
+                componentTinyId: '976059144', componentName: 'MALHA ATUALIZADA', componentSku: 'MC.30.CAF',
+                quantityPerUnit: '0.2', totalQuantity: '0.2', unit: 'KG'
+            }
+        ]) });
+
+        assert.equal(state.compositions.length, 1);
+        assert.equal(state.compositionComponents.length, 1);
+        assert.equal(state.compositionComponents[0].quantity_per_unit, 0.2);
+        assert.equal(state.productionOrders.length, 0);
+    });
+});
+
+test('product composition detail lookup returns stored components', async () => {
+    await withFakeDatabase(async () => {
+        await invokeHandler(tinySyncHandler, { body: compositionPayload() });
+        const response = await invokeHandler(productCompositionHandler, { params: { productId: '976058813' } });
+        const composition = response.body.composition;
+
+        assert.equal(response.statusCode, 200);
+        assert.equal(composition.finishedProductSku, 'BLCS.CAF.GG');
+        assert.equal(composition.components.length, 2);
+        assert.deepEqual(composition.components[0], {
+            id: 1,
+            componentTinyId: '919498232',
+            componentSku: 'ETIQ.T.GG',
+            componentName: 'ETIQUETA DE TAMANHO GG',
+            quantityPerUnit: 1,
+            unit: 'UN',
+            productId: null
+        });
+    });
+});
+
+test('ordinary Tiny production-order payloads continue to create production orders', async () => {
+    await withFakeDatabase(async (state) => {
+        const response = await invokeHandler(tinySyncHandler, { body: {
+            order: {
+                tinyId: '12345', number: 'OP-12345', status: 'in_progress', productSku: 'BLCS.CAF.GG',
+                productDescription: 'BASE LISA CAMISETA COR CAFE TAMANHO - GG', quantity: '10', unit: 'UN'
+            },
+            components: [],
+            steps: []
+        } });
+        const result = response.body;
+
+        assert.equal(response.statusCode, 201);
+        assert.equal(state.compositions.length, 0);
+        assert.equal(state.productionOrders.length, 1);
+        assert.equal(result.order.tinyId, '12345');
+        assert.equal(result.order.number, 'OP-12345');
+    });
+});

src/dataService.ts

@@ -1,4 +1,4 @@
-import type { AuthUser, CampaignPreview, CampaignProcessSummary, CampaignQueueSummary, CatalogCategory, CatalogCategoryPayload, CatalogProduct, CatalogProductPayload, CatalogSummary, ClientAnalyticsItem, ClientDetailsAnalytics, ClientFilterOptions, ClientMetadataFilters, ClientPurchasePatternAnalytics, ConsumptionReference, ConsumptionReferencePayload, CreateProductionOrdersResult, CreateUserResult, CuttingSettings, DashboardAnalytics, DateRange, ManagedUser, OrderData, ProductAnalyticsItem, ProductDetailsAnalytics, ProductionOrderItem, ProductionOrderPayload, ProductionOrderStatus, ProductionOrderSummary, RfmAnalytics, StockData, SupplyFabricPlan, SupplyFabricPlanPayload, SupplyInventoryAdjustmentPayload, SupplyLot, SupplyProductionExitPayload, SupplyPurchaseNeed, SupplyReceipt, SupplyReceiptPayload, SupplySummary } from './types';
+import type { AuthUser, CampaignPreview, CampaignProcessSummary, CampaignQueueSummary, CatalogCategory, CatalogCategoryPayload, CatalogProduct, CatalogProductPayload, CatalogSummary, ClientAnalyticsItem, ClientDetailsAnalytics, ClientFilterOptions, ClientMetadataFilters, ClientPurchasePatternAnalytics, ConsumptionReference, ConsumptionReferencePayload, CreateProductionOrdersResult, CreateUserResult, CuttingSettings, DashboardAnalytics, DateRange, ManagedUser, OrderData, ProductAnalyticsItem, ProductComposition, ProductDetailsAnalytics, ProductionOrderItem, ProductionOrderPayload, ProductionOrderStatus, ProductionOrderSummary, RfmAnalytics, StockData, SupplyFabricPlan, SupplyFabricPlanPayload, SupplyInventoryAdjustmentPayload, SupplyLot, SupplyProductionExitPayload, SupplyPurchaseNeed, SupplyReceipt, SupplyReceiptPayload, SupplySummary } from './types';
 import { formatDateParam } from './dateRanges';
 
 const API_URL = import.meta.env.VITE_API_URL || '/api';
@@ -539,6 +539,18 @@ export const fetchProductDetailsAnalytics = async (productId: string, dateRange:
     });
 };
 
+export const fetchProductComposition = async (productId: string): Promise<ProductComposition | null> => {
+    try {
+        const response = await authFetch(`/analytics/products/${encodeURIComponent(productId)}/composition`);
+        if (!response.ok) return null;
+        const data = await response.json() as { composition?: ProductComposition | null };
+        return data.composition || null;
+    } catch (error) {
+        console.error('Fetch product composition failed', error);
+        return null;
+    }
+};
+
 const appendClientMetadataFilterParams = (params: URLSearchParams, filters?: Partial<ClientMetadataFilters>) => {
     if (!filters) return;
     if (filters.marketplace) params.set('marketplace', filters.marketplace);

src/pages/ProductDetails.tsx

@@ -7,8 +7,8 @@ import DateRangePicker from '../components/DateRangePicker';
 import SkuPlanningModal from '../components/SkuPlanningModal';
 import ProductTypeBadge from '../components/ProductTypeBadge';
 import RefreshStatus from '../components/RefreshStatus';
-import type { CutProductOverride, CuttingSettings, DateRange, ProductDetailsAnalytics } from '../types';
-import { fetchCuttingSettings, fetchProductDetailsAnalytics, saveCuttingSettings } from '../dataService';
+import type { CutProductOverride, CuttingSettings, DateRange, ProductComposition, ProductDetailsAnalytics } from '../types';
+import { fetchCuttingSettings, fetchProductComposition, fetchProductDetailsAnalytics, saveCuttingSettings } from '../dataService';
 import { parseProductName } from '../productParsing';
 import { formatColorLabel } from '../displayFormatters';
 import { averageRecentValues, formatDateBucketLabel, formatDateBucketLongLabel, getAutoDateBucket, getMovingAverageWindow, getRangeDayCount, getDateBucketKey, type DateBucket } from '../chartUtils';
@@ -131,6 +131,8 @@ const ProductDetails = () => {
     setDateRange: (range: DateRange) => void
   }>();
   const [details, setDetails] = useState<ProductDetailsAnalytics | null>(null);
+  const [composition, setComposition] = useState<ProductComposition | null>(null);
+  const [isCompositionLoading, setIsCompositionLoading] = useState(true);
   const [isLoading, setIsLoading] = useState(true);
   const [chartMetric, setChartMetric] = useState<ProductChartMetric>('quantity');
   const [selectedProductBucket, setSelectedProductBucket] = useState<string | null>(null);
@@ -160,17 +162,25 @@ const ProductDetails = () => {
       if (!id) {
         if (isMounted) {
           setDetails(null);
+          setComposition(null);
           setIsLoading(false);
+          setIsCompositionLoading(false);
         }
         return;
       }
 
       setIsLoading(true);
-      const productDetails = await fetchProductDetailsAnalytics(id, dateRange);
+      setIsCompositionLoading(true);
+      const [productDetails, productComposition] = await Promise.all([
+        fetchProductDetailsAnalytics(id, dateRange),
+        fetchProductComposition(id)
+      ]);
 
       if (isMounted) {
         setDetails(productDetails);
+        setComposition(productComposition);
         setIsLoading(false);
+        setIsCompositionLoading(false);
       }
     };
 
@@ -403,6 +413,57 @@ const ProductDetails = () => {
         </div>
       </div>
 
+      <section className="bg-white dark:bg-dark-card border border-zinc-200 dark:border-dark-border rounded-2xl p-6 shadow-sm">
+        <div className="mb-5">
+          <h3 className="text-lg font-bold text-zinc-900 dark:text-dark-text">Composição</h3>
+          {composition && (
+            <p className="mt-1 text-sm font-medium text-zinc-500 dark:text-dark-muted">
+              Para produzir 1 UN de {composition.finishedProductSku || productInfo.id}
+            </p>
+          )}
+        </div>
+        {isCompositionLoading ? (
+          <div className="flex h-24 items-center text-sm font-semibold text-zinc-500 dark:text-dark-muted">Carregando composição…</div>
+        ) : !composition ? (
+          <div className="flex h-24 items-center justify-center rounded-xl border border-dashed border-dark-border bg-dark-input/30 text-sm font-semibold text-zinc-500 dark:text-dark-muted">
+            Nenhuma composição sincronizada para este produto.
+          </div>
+        ) : composition.components.length === 0 ? (
+          <div className="flex h-24 items-center justify-center rounded-xl border border-dashed border-dark-border bg-dark-input/30 text-sm font-semibold text-zinc-500 dark:text-dark-muted">
+            Esta composição não possui insumos.
+          </div>
+        ) : (
+          <div className="overflow-x-auto rounded-xl border border-dark-border">
+            <table className="w-full min-w-[640px] text-left text-sm">
+              <thead className="bg-dark-input/60 text-[10px] font-bold uppercase tracking-widest text-dark-muted">
+                <tr>
+                  <th className="px-4 py-3">Produto / insumo</th>
+                  <th className="px-4 py-3">SKU</th>
+                  <th className="px-4 py-3 text-right">Quantidade por unidade</th>
+                  <th className="px-4 py-3">Unidade</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-dark-border">
+                {composition.components.map(component => (
+                  <tr key={component.id} className="text-dark-text">
+                    <td className="px-4 py-3 font-semibold">
+                      {component.productId ? (
+                        <Link to={`/products/${component.productId}`} className="text-brand-primary hover:underline">
+                          {component.componentName}
+                        </Link>
+                      ) : component.componentName}
+                    </td>
+                    <td className="px-4 py-3 font-mono text-xs text-dark-muted">{component.componentSku || '—'}</td>
+                    <td className="px-4 py-3 text-right font-semibold">{formatNumber(component.quantityPerUnit)}</td>
+                    <td className="px-4 py-3 text-dark-muted">{component.unit || '—'}</td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </section>
+
       <div className="bg-white dark:bg-dark-card border border-zinc-200 dark:border-dark-border rounded-2xl p-6 shadow-sm">
         <div className="mb-8 flex flex-col gap-4 md:flex-row md:items-start md:justify-between">
           <div>

src/types.ts

@@ -475,6 +475,29 @@ export interface ProductDetailsAnalytics {
   }>;
 }
 
+export interface ProductCompositionComponent {
+  id: number;
+  componentTinyId: string;
+  componentSku: string;
+  componentName: string;
+  quantityPerUnit: number;
+  unit: string;
+  productId: string | null;
+}
+
+export interface ProductComposition {
+  id: number;
+  source: string;
+  externalSourceId: string;
+  finishedProductSku: string;
+  finishedProductDescription: string;
+  finishedProductUnit: string;
+  finishedTinyProductId: string;
+  sourceMetadata: Record<string, unknown>;
+  lastSyncedAt: string | null;
+  components: ProductCompositionComponent[];
+}
+
 export interface ClientAnalyticsItem {
   customerKey: string;
   clientToken: string;