DB640/internal/csvparser/parser.go

package csvparser

import (
	"encoding/csv"
	"io"
	"os"
)

// CsvLine holds a single line from the source CSV file
type CsvLine struct {
	Code string
	Name string
}

// ParseFile parses a given CSV file and returns a slice of CsvLine
func ParseFile(file string) ([]CsvLine, error) {
	csvfile, err := os.Open(file)
	if err != nil {
		return nil, err
	}
	defer csvfile.Close()

	r := csv.NewReader(csvfile)
	var lines []CsvLine

	for {
		record, err := r.Read()
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, err
		}
		lines = append(lines, CsvLine{Code: record[0], Name: record[1]})
	}
	return lines, nil
}