Get the first 50 pages of polls from the Pollster database

polls.go

package main

import (
	"fmt"
	"github.com/bycoffe/pollster"
	"strconv"
)

func getPolls(pages []string) []pollster.Poll {
	ch := make(chan []pollster.Poll)
	polls := []pollster.Poll{}
	per_page := 10

	for _, page := range pages {
		go func(page string) {
			polls := pollster.Polls(map[string]string{"page": page})
			ch <- polls
		}(page)
	}

	for {
		select {
		case r := <-ch:
			polls = append(polls, r...)
			if len(polls) == len(pages)*per_page {
				return polls
			}
		}
	}
	return polls
}

func main() {
	numPages := 50
	var pages []string

	for i := 0; i < numPages; i++ {
		pages = append(pages, strconv.Itoa(i))
		if len(pages) == numPages {
			results := getPolls(pages)
			for _, poll := range results {
				fmt.Println(poll.Pollster)
			}
		}
	}
}