139 lines
3.0 KiB
JavaScript
139 lines
3.0 KiB
JavaScript
const db = require('../db/models');
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const Blog_postsDBApi = require('../db/api/blog_posts');
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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 Blog_postsService {
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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 Blog_postsDBApi.create(
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data,
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{
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currentUser,
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transaction,
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},
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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 Blog_postsDBApi.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 blog_posts = await Blog_postsDBApi.findBy(
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{id},
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{transaction},
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);
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if (!blog_posts) {
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throw new ValidationError(
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'blog_postsNotFound',
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);
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}
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const updatedBlog_posts = await Blog_postsDBApi.update(
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id,
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data,
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{
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currentUser,
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transaction,
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},
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);
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await transaction.commit();
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return updatedBlog_posts;
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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 Blog_postsDBApi.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 Blog_postsDBApi.remove(
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id,
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{
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currentUser,
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transaction,
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},
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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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