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path: root/crawler/utility.go
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package main

import (
	"log"
	"regexp"
	"strconv"
	"strings"
)

func detect_spirit_type(name string) string {
	if strings.Contains(name, "Gin") {
		return "Gin"
	}
	if strings.Contains(name, "Rum") {
		return "Rum"
	}
	if strings.Contains(name, "Vodka") {
		return "Wodka"
	}
	if strings.Contains(name, "Wodka") {
		return "Wodka"
	}
	if strings.Contains(name, "Whisky") {
		return "Whisky"
	}
	if strings.Contains(name, "Whiskey") {
		return "Whisky"
	}

	return "Anderes"
}

func extract_volume(volume string) (float32, error) {
	r_liter, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?[lL](iter)?`)
	if err != nil {
		log.Fatal(err)
	}
	volume_noisy := r_liter.FindString(volume)

	r_liter2, err := regexp.Compile(`[0-9]+([,.][0-9]+)?`)
	if err != nil {
		log.Fatal(err)
	}
	volume_noisy = r_liter2.FindString(volume_noisy)
	volume_noisy = strings.Replace(volume_noisy, ",", ".", 1)
	volume64, err := strconv.ParseFloat(volume_noisy, 32)
	if err != nil {
		return 0, err
	}
	return float32(volume64), err
}

func extract_abv(abv_noisy string) (float32, error) {
	if strings.Contains(abv_noisy, "%") {
		abv_noisy = strings.Replace(abv_noisy, "%", "", 1)
	}
	abv_noisy = strings.Replace(abv_noisy, ",", ".", 1)
	abv_noisy = strings.TrimSpace(abv_noisy)

	abv64, err := strconv.ParseFloat(abv_noisy, 32)
	if err != nil {
		return 0, err
	}
	return float32(abv64), nil
}