115 lines
2.9 KiB
JavaScript
115 lines
2.9 KiB
JavaScript
const db = require('../db/models');
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const AssignmentsDBApi = require('../db/api/assignments');
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const processFile = require('../middlewares/upload');
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const ValidationError = require('./notifications/errors/validation');
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const csv = require('csv-parser');
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const axios = require('axios');
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const config = require('../config');
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const stream = require('stream');
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module.exports = class AssignmentsService {
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static async create(data, currentUser) {
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const transaction = await db.sequelize.transaction();
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try {
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await AssignmentsDBApi.create(data, {
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currentUser,
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transaction,
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});
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await transaction.commit();
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} catch (error) {
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await transaction.rollback();
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throw error;
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}
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}
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static async bulkImport(req, res, sendInvitationEmails = true, host) {
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const transaction = await db.sequelize.transaction();
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try {
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await processFile(req, res);
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const bufferStream = new stream.PassThrough();
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const results = [];
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await bufferStream.end(Buffer.from(req.file.buffer, 'utf-8')); // convert Buffer to Stream
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await new Promise((resolve, reject) => {
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bufferStream
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.pipe(csv())
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.on('data', (data) => results.push(data))
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.on('end', async () => {
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console.log('CSV results', results);
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resolve();
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})
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.on('error', (error) => reject(error));
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});
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await AssignmentsDBApi.bulkImport(results, {
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transaction,
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ignoreDuplicates: true,
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validate: true,
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currentUser: req.currentUser,
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});
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await transaction.commit();
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} catch (error) {
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await transaction.rollback();
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throw error;
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}
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}
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static async update(data, id, currentUser) {
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const transaction = await db.sequelize.transaction();
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try {
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let assignments = await AssignmentsDBApi.findBy({ id }, { transaction });
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if (!assignments) {
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throw new ValidationError('assignmentsNotFound');
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}
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const updatedAssignments = await AssignmentsDBApi.update(id, data, {
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currentUser,
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transaction,
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});
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await transaction.commit();
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return updatedAssignments;
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} catch (error) {
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await transaction.rollback();
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throw error;
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}
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}
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static async deleteByIds(ids, currentUser) {
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const transaction = await db.sequelize.transaction();
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try {
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await AssignmentsDBApi.deleteByIds(ids, {
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currentUser,
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transaction,
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});
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await transaction.commit();
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} catch (error) {
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await transaction.rollback();
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throw error;
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}
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}
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static async remove(id, currentUser) {
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const transaction = await db.sequelize.transaction();
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try {
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await AssignmentsDBApi.remove(id, {
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currentUser,
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transaction,
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});
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await transaction.commit();
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} catch (error) {
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await transaction.rollback();
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throw error;
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}
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}
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};
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