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/* eslint-disable no-plusplus */
/* eslint-disable default-param-last */
/* eslint-disable no-use-before-define */
/* eslint-disable no-param-reassign */
import excel from 'exceljs';
import fs from 'fs';
import path from 'path';
import uniqid from 'uniqid';
import APIError from '../error';
import { PATH_TEMP } from '../../../root';
import { genereteWaybillPDF } from '../../source/reports/pdf/waybillPrintPdf';
const MAX_ROWS_LIMIT = 10000;
async function writeExcelToResponse(
res,
headers = [],
rows = [],
colorHeaderFont = '#ffffff',
colorHeaderBg = '#f79c20',
worksheetName = 'worksheet',
reportType = '',
rowsCallback = null
) {
const filenameUniqueId = `${worksheetName}${uniqid()}.xlsx`;
const filePath = path.join(PATH_TEMP, filenameUniqueId);
const fileName = `${worksheetName}.xlsx`;
const options = {
filename: filePath,
useStyles: true,
useSharedStrings: false,
};
const workbook = new excel.stream.xlsx.WorkbookWriter(options);
const worksheet = workbook.addWorksheet(worksheetName);
try {
// Exemplo Colunas
/* headers = [
{ header: 'Id', key: 'id', width: 10 },
{ header: 'Name', key: 'name', width: 30 },
{ header: 'Address', key: 'address', width: 30},
{ header: 'Age', key: 'age', width: 10, outlineLevel: 1}
]; */
// Exemplo Rows
/* rows = [ { id: 1, address: 'Jack Smith', age: 23, name: 'Massachusetts' },
{ id: 2, address: 'Adam Johnson', age: 27, name: 'New York' },
{ id: 3, address: 'Katherin Carter', age: 26, name: 'Washington DC' },
{ id: 4, address: 'Jack London', age: 33, name: 'Nevada' },
{ id: 5, address: 'Jason Bourne', age: 36, name: 'California' } ]; */
const limit = MAX_ROWS_LIMIT;
let offset = 0;
let rowsLength = 0;
// ROW CALLBACK MEMORY
if (typeof rowsCallback === 'function') {
rows.length = 0; // Limpa o array e libera memoria
headers.length = 0; // Limpa o array e libera memoria
await rowsCallback({ offset, limit, subQuery: false }); // Busca registros em lote
rowsLength = rows.length;
}
worksheet.columns = headers.map((it) =>
typeof it === 'object' ? it : { header: it }
);
headers.forEach((value, ix) => {
if (value.numFmt) {
worksheet.getColumn(ix + 1).numFmt = value.numFmt;
}
});
Iif (rows.length) {
const rowExcelFirst = worksheet.addRow(rows[0]);
const firstRow = worksheet.getRow(1);
for (let index = 1; index < headers.length + 1; index++) {
firstRow.getCell(index).fill = {
type: 'pattern',
pattern: 'solid',
fgColor: { argb: colorHeaderBg.replace('#', '') },
};
}
worksheet.getRow(1).font = {
color: { argb: colorHeaderFont.replace('#', '') },
bold: true,
};
rowExcelFirst.commit();
rows.splice(0, 1);
}
rows.forEach((row, index) => {
worksheet.addRow(row).commit();
rows[index] = undefined;
});
Iif (typeof rowsCallback === 'function' && rowsLength === limit) {
while (rowsLength === limit) {
rows.length = 0; // Limpa o array e libera memoria
headers.length = 0; // Limpa o array e libera memoria
offset += limit;
await rowsCallback({ offset, limit, subQuery: false }); // Busca registros em lote
rowsLength = rows.length; // Nao remover
rows.forEach((row, index) => {
worksheet.addRow(row).commit();
rows[index] = undefined;
});
if (rowsLength < limit) break;
}
}
worksheet.commit();
try {
await workbook.commit();
Iif (reportType === 'bg') return { filePath, fileName, filenameUniqueId };
res.download(filePath, fileName, async () => {
await removeFile(filePath);
});
} catch (e) {
await removeFile(filePath);
throw new APIError('EXCEL_DOCUMENT', e);
}
} catch (e) {
try {
await workbook.commit();
await removeFile(filePath);
throw new APIError('EXCEL_DOCUMENT', e);
} catch (e2) {
try {
await removeFile(filePath);
} catch (e3) {
throw new APIError('EXCEL_DOCUMENT', e3);
}
throw new APIError('EXCEL_DOCUMENT', e2);
}
}
}
async function oldWriteExcelToResponse(
res,
headers = [],
rows = [],
colorHeaderFont = '#ffffff',
colorHeaderBg = '#f79c20',
worksheetName = 'worksheet'
) {
const workbook = new excel.Workbook();
const worksheet = workbook.addWorksheet(worksheetName);
// Exemplo Colunas
/* headers = [
{ header: 'Id', key: 'id', width: 10 },
{ header: 'Name', key: 'name', width: 30 },
{ header: 'Address', key: 'address', width: 30},
{ header: 'Age', key: 'age', width: 10, outlineLevel: 1}
]; */
// Exemplo Rows
/* rows = [ { id: 1, address: 'Jack Smith', age: 23, name: 'Massachusetts' },
{ id: 2, address: 'Adam Johnson', age: 27, name: 'New York' },
{ id: 3, address: 'Katherin Carter', age: 26, name: 'Washington DC' },
{ id: 4, address: 'Jack London', age: 33, name: 'Nevada' },
{ id: 5, address: 'Jason Bourne', age: 36, name: 'California' } ]; */
worksheet.columns = headers.map((it) =>
typeof it === 'object' ? it : { header: it }
);
if (rows.length) {
worksheet.addRow(rows[0]);
rows.splice(0, 1);
worksheet.getRow(1).fill = {
type: 'pattern',
pattern: 'solid',
fgColor: { argb: colorHeaderBg.replace('#', '') },
};
worksheet.getRow(1).font = {
color: { argb: colorHeaderFont.replace('#', '') },
bold: true,
};
}
rows.forEach((row, index) => {
worksheet.addRow(row);
rows[index] = undefined;
});
headers.forEach((value, ix) => {
if (value.numFmt) {
worksheet.getColumn(ix + 1).numFmt = value.numFmt;
}
});
res.setHeader(
'Content-Type',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
);
res.setHeader(
'Content-Disposition',
`attachment; filename=${worksheetName}.xlsx`
);
try {
await workbook.xlsx.write(res);
res.status(200).end();
} catch (e) {
throw new APIError('EXCEL_DOCUMENT');
}
}
function writeWaybillToPdf(res, rows = []) {
const pdfDoc = genereteWaybillPDF(rows);
const chunks = [];
pdfDoc.on('data', (chunk) => {
chunks.push(chunk);
});
pdfDoc.end();
pdfDoc.on('end', () => {
const result = Buffer.concat(chunks);
res.end(result);
});
}
async function removeFile(filePath) {
return new Promise((resolve, reject) => {
fs.access(filePath, fs.constants.F_OK, (err) => {
if (err) {
resolve();
} else {
fs.unlink(filePath, (err, data) => {
if (err) reject(err);
else resolve(data);
});
}
});
});
}
export default {
writeExcelToResponse,
oldWriteExcelToResponse,
removeFile,
writeWaybillToPdf,
};
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