getAvailableGroups.go

package goil

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

// Find out what groups are available to the session
func (s *Session) GetAvailableGroups() (map[Group]string, error) {
	// Retrive main page
	resp, err := s.Client.Get("http://iseplive.fr/")
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	// Prepare goquery
	doc, err := goquery.NewDocumentFromReader(resp.Body)
	if err != nil {
		return nil, err
	}

	// Select groups
	sel := doc.Find("#publish-group-select").ChildrenFiltered("option")

	// Prepare return
	// NB: There is always at least one option: 0 - None
	groups := make(map[Group]string, sel.Length())

	// For each option, add to list
	sel.Each(func(i int, s *goquery.Selection) {
		// Retrieve group name
		name := s.Text()

		// Retrieve group ID
		rawgroup, _ := s.Attr("value")
		group, _ := strconv.ParseUint(rawgroup, 10, 64)

		groups[Group(group)] = name
	})

	// Return
	return groups, err
}