csv

use chrono::NaiveDate;
use rust_decimal::Decimal;
use serde::{Deserialize, Deserializer};

#[derive(Debug, Clone, Deserialize)]
pub struct Transaction {

<?php

namespace App\Http\Controllers;

use App\Jobs\ImportProductChunk;
use Illuminate\Http\Request;

<?php

namespace App\Http\Controllers;

use App\Jobs\ImportProductChunk;
use App\Models\Import;

import { z } from "zod";

export const rowSchema = z.object({
  email: z.string().email(),
  name: z.string().min(1, "name is required"),
  age: z.coerce.number().int().min(0, "age must be >= 0"),

@RestController
@RequestMapping("/api/customers")
public class CsvImportController {

    private final CsvImportService importService;

use serde::Deserialize;
use std::fmt;

#[derive(Debug, Deserialize)]
pub struct UserRecord {
    pub name: String,

function escapeCell(value) {
  if (value === null || value === undefined) return '';
  const str = String(value);
  if (/[",\n\r]/.test(str)) {
    return '"' + str.replace(/"/g, '""') + '"';
  }

class ImportResult
  RowError = Struct.new(:line, :messages)

  attr_reader :imported, :row_errors

  def initialize

@RestController
@RequestMapping("/api/exports")
public class ExportController {

    private final CsvStreamWriter csvStreamWriter;

from datetime import date, datetime
from decimal import Decimal, InvalidOperation
from enum import Enum

from pydantic import BaseModel, field_validator

require "csv"

class ProductImporter
  BATCH_SIZE = 500

  attr_reader :errors, :inserted

const express = require('express');
const multer = require('multer');
const os = require('os');
const fs = require('fs/promises');
const { parseCsvStream } = require('./csvStreamParser');