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|
package main
import (
"regexp"
"github.com/gocolly/colly"
)
func (app *App) ScrapeMCWhisky(shop Shop) []Angebot {
Shop_url := "https://www.mcwhisky.com/whisky/whisky-sonderangebote.html"
Whiskys := []Angebot{}
c := app.customCollector([]string{"mcwhisky.com", "www.mcwhisky.com"})
c.OnHTML("li.item", func(e *colly.HTMLElement) {
if e.Request.URL.String() != Shop_url {
return
}
W := Angebot{}
W.Shop = shop.Id
W.Spirit_type = "Whisky"
whisky_name := e.ChildAttr("a", "title")
whisky_url := e.ChildAttr("a", "href")
W.Name = whisky_name
W.Url = whisky_url
var err error
e.ForEach(".price-box", func(i int, e *colly.HTMLElement) {
e.ForEach(".old-price", func(i int, e *colly.HTMLElement) {
W.Original_price, err = convert_price(e.ChildText(".price"))
if err != nil {
W.error_msg = err.Error()
W.error_ctx = e.ChildText(".price")
W.Println("MC Whisky: Converting original price failed")
return
}
})
e.ForEach(".special-price", func(i int, e *colly.HTMLElement) {
W.Discounted_price, err = convert_price(e.ChildText(".price"))
if err != nil {
W.error_msg = err.Error()
W.error_ctx = e.ChildText(".price")
W.Println("MC Whisky: Converting discounted price failed")
return
}
})
})
price_per_litre_noisy := e.ChildText(".price-box-extended-info-ppl")
W.Base_price, err = sanitize_base_price(price_per_litre_noisy)
if err != nil {
W.error_msg = err.Error()
W.error_ctx = price_per_litre_noisy
W.Println("MC Whisky: Sanitizing base price failed")
return
}
W.Image_url = e.ChildAttr("img", "src")
e.Request.Visit(W.Url)
volume_failed := e.Request.Ctx.Get("volume_failed")
if volume_failed != "" {
W.error_msg = "MC Whisky: Volume failed"
W.error_ctx = volume_failed
W.Println("MC Whisky: Volume failed")
return
}
abv_failed := e.Request.Ctx.Get("abv_failed")
if volume_failed != "" {
W.error_msg = "MC Whisky: Abv failed"
W.error_ctx = abv_failed
W.Println("MC Whisky: Abv failed")
return
}
var ctx string
W.Volume, ctx = get_volume(e)
if W.Volume == 0 {
W.error_msg = "MC Whisky: Volume is zero"
W.error_ctx = ctx
W.Println("MC Whisky: Volume is zero")
return
}
W.Abv, ctx = get_abv(e)
if W.Abv == 0 {
W.error_msg = "MC Whisky: Abv is zero"
W.error_ctx = ctx
W.Println("MC Whisky: Abv is zero")
return
}
W.Website = e.Request.Ctx.Get("website")
Whiskys = append(Whiskys, W)
})
c.OnHTML(".products-attributes-alcohol", func(e *colly.HTMLElement) {
text_noisy := e.Text
r_abv, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?%`)
if err != nil {
Fatal(err, "MC Whisky: ABV regex failed")
}
abv := r_abv.FindString(text_noisy)
if abv == "" {
e.Request.Ctx.Put("abv_fail", text_noisy)
return
}
e.Request.Ctx.Put("abv", abv)
r_volume, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?Liter$`)
if err != nil {
Fatal(err, "MC Whisky: Volume regex failed")
}
volume := r_volume.FindString(text_noisy)
if volume == "" {
e.Request.Ctx.Put("volume_fail", text_noisy)
return
}
e.Request.Ctx.Put("volume", volume)
e.Request.Ctx.Put("website", string(e.Response.Body))
})
err := c.Visit(Shop_url)
if err != nil {
Warn(nil, shop.Name+": "+err.Error())
}
return Whiskys
}
|
