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package main
import (
"log"
"regexp"
"strconv"
"strings"
"github.com/gocolly/colly"
)
func detect_spirit_type(name string) string {
matched, err := regexp.MatchString(`(^|\s)Gin(\s|$)`, name)
if err != nil {
log.Fatal(err)
}
if matched {
return "Gin"
}
matched, err = regexp.MatchString(`(^|\s)Rum(\s|$)`, name)
if err != nil {
log.Fatal(err)
}
if matched {
return "Rum"
}
matched, err = regexp.MatchString(`(^|\s)[VW]odka(\s|$)`, name)
if err != nil {
log.Fatal(err)
}
if matched {
return "Wodka"
}
matched, err = regexp.MatchString(`(^|\s)Whiske?y(\s|$)`, name)
if err != nil {
log.Fatal(err)
}
if matched {
return "Whisky"
}
return "Verschiedenes"
}
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
}
/*
* In litre, but float.
*/
func get_volume(e *colly.HTMLElement) float32 {
volume_noisy := e.Request.Ctx.Get("volume")
matched, err := regexp.MatchString(`[lL](iter)?`, volume_noisy)
if err != nil {
log.Fatal(err)
}
if !matched {
log.Println("get_volume: not matched: " + volume_noisy)
return 0
}
volume, err := extract_volume(volume_noisy)
if err != nil {
log.Println("get_volume: " + volume_noisy)
log.Fatal(err)
}
return volume
}
/*
* In procent. (float)
*/
func get_abv(e *colly.HTMLElement) float32 {
abv_noisy := e.Request.Ctx.Get("abv")
if abv_noisy == "" {
return 0
}
abv, err := extract_abv(abv_noisy)
if err != nil {
log.Println("get_abv: " + abv_noisy)
log.Fatal(err)
}
return abv
}
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