Add material transformation planning

backend/services/supplyService.js

@@ -92,6 +92,24 @@ const mapFabricPlan = (row) => ({
     updatedAt: row.updated_at
 });
 
+const mapMaterialTransformation = (row) => ({
+    id: row.id,
+    batchCode: row.batch_code || '',
+    stage: row.stage,
+    inputMaterial: row.input_material,
+    inputQuantityKg: Number(row.input_quantity_kg),
+    outputMaterial: row.output_material,
+    outputColor: row.output_color || '',
+    expectedLossPercent: Number(row.expected_loss_percent || 0),
+    expectedOutputKg: Number(row.expected_output_kg || 0),
+    supplier: row.supplier || '',
+    priority: row.priority || 'Normal',
+    status: row.status || 'planned',
+    notes: row.notes || '',
+    createdAt: row.created_at,
+    updatedAt: row.updated_at
+});
+
 const mapMaterialDetails = (row) => ({
     materialKey: row.material_key,
     displayName: row.display_name || '',
@@ -182,6 +200,19 @@ const listFabricPlans = async () => {
     return result.rows.map(mapFabricPlan);
 };
 
+const listMaterialTransformations = async () => {
+    const result = await pool.query(`
+        SELECT id, batch_code, stage, input_material, input_quantity_kg, output_material, output_color,
+               expected_loss_percent, expected_output_kg, supplier, priority, status, notes, created_at, updated_at
+        FROM supply_material_transformations
+        ORDER BY
+            CASE status WHEN 'in_progress' THEN 1 WHEN 'planned' THEN 2 WHEN 'completed' THEN 3 ELSE 4 END,
+            CASE priority WHEN 'Crítico' THEN 1 WHEN 'Atenção' THEN 2 ELSE 3 END,
+            created_at DESC, id DESC
+    `);
+    return result.rows.map(mapMaterialTransformation);
+};
+
 const listMaterialDetails = async () => {
     const result = await pool.query(`
         SELECT material_key, display_name, preferred_supplier, notes, created_at, updated_at
@@ -1032,6 +1063,49 @@ const createFabricPlan = async (payload) => {
     return mapFabricPlan(result.rows[0]);
 };
 
+const TRANSFORMATION_STAGES = new Set(['knitting', 'dyeing', 'finishing']);
+const TRANSFORMATION_STATUSES = new Set(['planned', 'in_progress', 'completed', 'canceled']);
+
+const createMaterialTransformation = async (payload = {}) => {
+    const stage = normalizeText(payload.stage).toLowerCase();
+    const inputMaterial = normalizeText(payload.inputMaterial);
+    const outputMaterial = normalizeText(payload.outputMaterial);
+    const inputQuantityKg = normalizeNumber(payload.inputQuantityKg);
+    const expectedLossPercent = normalizeNonNegativeNumber(payload.expectedLossPercent) ?? 0;
+    if (!TRANSFORMATION_STAGES.has(stage)) throw createValidationError('Etapa de transformação inválida.');
+    if (!inputMaterial || !outputMaterial) throw createValidationError('Material de entrada e saída são obrigatórios.');
+    if (!inputQuantityKg) throw createValidationError('Quantidade de entrada deve ser maior que zero.');
+    if (expectedLossPercent >= 100) throw createValidationError('A perda esperada deve ser menor que 100%.');
+    const expectedOutputKg = Number((inputQuantityKg * (1 - (expectedLossPercent / 100))).toFixed(4));
+    const result = await pool.query(`
+        INSERT INTO supply_material_transformations (
+            batch_code, stage, input_material, input_quantity_kg, output_material, output_color,
+            expected_loss_percent, expected_output_kg, supplier, priority, status, notes, updated_at
+        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, 'planned', $11, CURRENT_TIMESTAMP)
+        RETURNING id, batch_code, stage, input_material, input_quantity_kg, output_material, output_color,
+                  expected_loss_percent, expected_output_kg, supplier, priority, status, notes, created_at, updated_at
+    `, [
+        normalizeText(payload.batchCode) || null, stage, inputMaterial, inputQuantityKg, outputMaterial,
+        normalizeText(payload.outputColor) || null, expectedLossPercent, expectedOutputKg,
+        normalizeText(payload.supplier) || null, normalizeText(payload.priority) || 'Normal', normalizeText(payload.notes) || null
+    ]);
+    return mapMaterialTransformation(result.rows[0]);
+};
+
+const updateMaterialTransformationStatus = async (id, status) => {
+    const normalizedStatus = normalizeText(status).toLowerCase();
+    if (!TRANSFORMATION_STATUSES.has(normalizedStatus)) throw createValidationError('Status da transformação inválido.');
+    const result = await pool.query(`
+        UPDATE supply_material_transformations
+        SET status = $2, updated_at = CURRENT_TIMESTAMP
+        WHERE id = $1
+        RETURNING id, batch_code, stage, input_material, input_quantity_kg, output_material, output_color,
+                  expected_loss_percent, expected_output_kg, supplier, priority, status, notes, created_at, updated_at
+    `, [id, normalizedStatus]);
+    if (!result.rows[0]) throw createValidationError('Transformação não encontrada.');
+    return mapMaterialTransformation(result.rows[0]);
+};
+
 const deleteFabricPlan = async (id) => {
     await pool.query(`
         UPDATE supply_fabric_plans
@@ -1243,6 +1317,7 @@ module.exports = {
     approveReceipt,
     consumeLotForProduction,
     createFabricPlan,
+    createMaterialTransformation,
     createPurchaseOrder,
     createReceipt,
     deleteFabricPlan,
@@ -1251,6 +1326,7 @@ module.exports = {
     buildProjectPurchaseNeeds,
     buildPurchaseNeeds,
     listFabricPlans,
+    listMaterialTransformations,
     listMaterialDetails,
     listKnownSuppliers,
     listPurchaseOrders,
@@ -1259,5 +1335,6 @@ module.exports = {
     listPurchaseNeeds,
     listReceipts,
     saveMaterialDetails,
+    updateMaterialTransformationStatus,
     updatePurchaseOrderStatus
 };