vim.orgのScriptを新しい順に取得しratingが10以上をコンソールに出力

vimorg.go

package main

import (
	"fmt"
	"github.com/PuerkitoBio/goquery"
	"os"
	"strconv"
)

const topURL = "http://www.vim.org/scripts/"
const vimURL = "http://www.vim.org/scripts/script_search_results.php?&show_me=%d&result_ptr=%d"
const count = 1000

type Plugin struct {
	url       string
	name      string
	typ       string
	rating    int
	downloads int
	summary   string
}

func (pl Plugin) String() string {
	return fmt.Sprintf("raging:%v, downloads:%v, name:%v, url:%v summary:%v", pl.rating, pl.downloads, pl.name, pl.url, pl.summary)
}

func main() {
	doc, err := goquery.NewDocument(fmt.Sprintf(vimURL, count, 0))
	if err != nil {
		panic("parse error")
	}
	plugins := make([]Plugin, 0, 100)
	doc.Find("tr").Each(func(_ int, s *goquery.Selection) {
		pl := Plugin{}
		s.Find("td.rowodd,td.roweven").Each(func(i int, s *goquery.Selection) {
			switch i {
			case 0:
				url, ok := s.Find("a").Attr("href")
				if !ok {
					fmt.Fprintf(os.Stderr, "error1\n")
				}
				name := s.Text()
				pl.url = topURL + url
				pl.name = name
			case 1:
				pl.typ = s.Text()
			case 2:
				rating, err := strconv.Atoi(s.Text())
				if err != nil {
					fmt.Fprintf(os.Stderr, "error2")
				}
				pl.rating = rating
			case 3:
				downloads, err := strconv.Atoi(s.Text())
				if err != nil {
					fmt.Fprintf(os.Stderr, "error3")
				}
				pl.downloads = downloads
			case 4:
				pl.summary = s.Text()
			}
		})
		if pl.rating > 10 {
			switch pl.typ {
			case "color scheme", "syntax", "patch":
			default:
				plugins = append(plugins, pl)
			}
		}
	})

	for _, pl := range plugins {
		fmt.Printf("%v\n", pl)
	}
}