84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const path = require('path');
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const fs = require('fs');
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const multer = require('multer');
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const defineAttachment = require('../../models/attachments');
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const defineCaseAttachment = require('../../models/caseAttachments');
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const { DataTypes } = require('sequelize');
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module.exports = function (sequelize) {
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const Attachment = defineAttachment(sequelize, DataTypes);
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const CaseAttachment = defineCaseAttachment(sequelize, DataTypes);
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// Create uploads folder if it does not exist
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const uploadDir = path.join(__dirname, '../../public/uploads');
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if (!fs.existsSync(uploadDir)) {
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fs.mkdirSync(uploadDir, { recursive: true });
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}
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const storage = multer.diskStorage({
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destination: (req, file, cb) => {
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cb(null, uploadDir);
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},
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filename: async (req, file, cb) => {
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const ext = path.extname(file.originalname);
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const baseName = path.basename(file.originalname, ext);
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let fileName = `${baseName}${ext}`;
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// Check if a file with the same name already exists
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let fileExists = true;
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let fileIndex = 1;
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while (fileExists) {
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const filePath = path.join(uploadDir, fileName);
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if (fs.existsSync(filePath)) {
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// If a file with the same name exists, add an index and rename the file
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fileName = `${baseName}_${fileIndex}${ext}`;
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fileIndex++;
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} else {
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fileExists = false;
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}
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}
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cb(null, fileName);
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},
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});
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const upload = multer({ storage });
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router.post('/', upload.array('files', 10), async (req, res) => {
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const t = await sequelize.transaction();
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try {
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const caseId = req.query.parentCaseId;
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const files = req.files;
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if (files.length === 0) {
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return res.status(400).json({ error: 'No files uploaded' });
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}
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const host = req.get('host');
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const protocol = req.protocol;
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const attachmentsData = files.map((file) => ({
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title: file.originalname,
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path: `${protocol}://${host}/uploads/${file.filename}`,
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}));
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const newAttachments = await Attachment.bulkCreate(attachmentsData, {
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transaction: t,
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});
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const caseAttachmentsData = newAttachments.map((attachment) => ({
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caseId: caseId,
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attachmentId: attachment.id,
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}));
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await CaseAttachment.bulkCreate(caseAttachmentsData, { transaction: t });
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await t.commit();
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res.json(newAttachments);
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} catch (error) {
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await t.rollback();
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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return router;
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};
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