aarondl/index.html

## index.html
<!DOCTYPE html>
<html>
  <head>
    <link href="standard.css" rel="stylesheet" type="text/css">
    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <title>autofan pre-alpha</title>

  <script type="text/javascript">
  $(function(){
      $("#submitbtn").click(function(){
        $("#content").text("Loading...");
        $("#content").load("/", { id: $('#idtext').val() });
      });
    });
  </script>
  </head>
  <body>
    <div id="body">
      <h1>Autofan</h1>
      <h2>Enter a fan club topic id:</h2>
      <p>e.g. 196953</p>
      <input id="idtext" type="text" /><br />
      <input value="Find" type="button" id="submitbtn" class="peter-river-flat-button"/><br />
      <div id="content">
        Empty.
      </div>
    </div>
  </body>
</html>

## main.go
package main

import (
	"strconv"
	"io/ioutil"
	"fmt"
	"bytes"
	"flag"
	"net/http"
	"regexp"
	"log"
	"os"
)

var (
	indexbytes []byte
	httpBind = flag.String("http", ":8888", "The bind address for the http server.")
	test = flag.Int("test", 0, "A TL fan club id to test the parser with.")
)

const (
	PageURI = "http://www.teamliquid.net/forum/viewmessage.php?topic_id=%v&currentpage=%v"
)

var (
	rgxPost = regexp.MustCompile(`(?i)<td class='forumPost' width='100%'>(.*?)</td>`)
	rgxSignup = regexp.MustCompile(`(?i)sign me(?: up)?|i'?ll join|add me|count me in`)
	rgxDataUser = regexp.MustCompile(`data-user="(.*?)"`)
	rgxNext = regexp.MustCompile(`<a href="\/forum\/viewmessage\.php\?topic_id=[0-9]+&amp;currentpage=[0-9]+" title="Next Page \([0-9]+\)" rel="next">Next</a>`)
)

type PostPage struct {
	Posts int
	Signups []string
}

func Parse(id int) ([]*PostPage, error) {
	page := 1
	hasNextPage := true
	postPages := make([]*PostPage, 0)
	for hasNextPage {
		uri := fmt.Sprintf(PageURI, id, page)
		log.Println("Making request: ", uri)
		resp, err := http.Get(uri)
		if err != nil {
			return nil, err
		}
		if resp.StatusCode != 200 {
			return nil, fmt.Errorf("Error retrieving uri (%v): %v", resp.StatusCode, uri)
		}

		body, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			return nil, err
		}

		hasNextPage = rgxNext.Match(body)

		postPage := new(PostPage)
		rawPosts := rgxPost.FindAllSubmatch(body, -1)
		users := rgxDataUser.FindAllSubmatch(body, -1)
		postPage.Posts = len(rawPosts)
		postPage.Signups = make([]string, 0)
		for i, rawPost := range rawPosts {
			if rgxSignup.Match(rawPost[1]) {
				postPage.Signups = append(postPage.Signups, string(users[i][1]))
				log.Printf("Signup found: %s", users[i][1])
			}
		}

		postPages = append(postPages, postPage)
		page++
	}

	return postPages, nil
}

func handleIndex(w http.ResponseWriter, r *http.Request) {
	log.Println("Request from:", r.RemoteAddr, r.RequestURI)
	if r.URL.Path != "/" {
		return
	}

	if sid := r.FormValue("id"); len(sid) > 0 {
		id, err := strconv.Atoi(sid)
		if err != nil {
			fmt.Println("Bad id:", sid, err)
			w.WriteHeader(500)
			return
		}

		pages, err := Parse(id)
		if err != nil {
			fmt.Println("Error parsing:", err)
			w.WriteHeader(500)
		}

		var buf bytes.Buffer
		for _, page := range pages {
			for _, signup := range page.Signups {
				_, err = buf.WriteString(signup)
				if err != nil {
					log.Fatal(err)
				}
				_, err = buf.WriteString("<br />")
				if err != nil {
					log.Fatal(err)
				}
			}
		}

		_, err = buf.WriteTo(w)
		if err != nil {
			fmt.Println("Error writing response:", err)
		}
		return
	}

	_, err := w.Write(indexbytes)
	if err != nil {
		log.Println("Error writing response:", err)
	}
}

func main() {
	var err error
	var indexhtml, standardcss *os.File

	flag.Parse()

	if *test > 0 {
		var pages []*PostPage
		pages, err = Parse(*test)
		if err != nil {
			log.Fatal(err)
		}

		log.Println("Found:", len(pages), "pages.")
		var buf bytes.Buffer
		for _, page := range pages {
			buf.Reset()
			for _, signup := range page.Signups {
				_, err = buf.WriteString(signup)
				if err != nil {
					log.Fatal(err)
				}
				_, err = buf.WriteString(", ")
				if err != nil {
					log.Fatal(err)
				}
			}
			log.Printf("Page %v (%v): %v", len(pages), len(page.Signups), buf.String())
		}

		log.Println("Exiting.")
		return
	}

	indexhtml, err = os.Open("index.html")
	defer indexhtml.Close()
	indexbytes, err = ioutil.ReadAll(indexhtml)
	if err != nil {
		log.Fatal(err)
	}
	standardcss, err = os.Open("standard.css")
	if err != nil {
		log.Fatal(err)
	}
	defer standardcss.Close()

	http.HandleFunc("/", handleIndex)
	http.Handle("/standard.css", http.FileServer(http.Dir(".")))

	err = http.ListenAndServe(*httpBind, nil)
	if err != nil {
		log.Fatal(err)
	}
	log.Println("Exiting.")
}

## standard.css
* {font-family: Sans-Serif;}
body {background-color #f9f9f9;}
#body {margin: 0 auto; width: 700px;}
.peter-river-flat-button
{
   width: 220px;
   height: 60px;
   font-size: 22px;
   color: white;
   text-align: center;
   text-shadow: 0px 1px 2px rgba(0,0,0,.25);
   background: #3498db;
   border: 0;
   border-bottom: 2px solid #2a8bcc;
   cursor: pointer;
   -webkit-box-shadow: inset 0 -2px #2a8bcc;
   box-shadow: inset 0 -2px ##2a8bcc;
}
	<!DOCTYPE html>
	<html>
	<head>
	<link href="standard.css" rel="stylesheet" type="text/css">
	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
	<title>autofan pre-alpha</title>

	<script type="text/javascript">
	$(function(){
	$("#submitbtn").click(function(){
	$("#content").text("Loading...");
	$("#content").load("/", { id: $('#idtext').val() });
	});
	});
	</script>
	</head>
	<body>
	<div id="body">
	<h1>Autofan</h1>
	<h2>Enter a fan club topic id:</h2>
	<p>e.g. 196953</p>
	<input id="idtext" type="text" /><br />
	<input value="Find" type="button" id="submitbtn" class="peter-river-flat-button"/><br />
	<div id="content">
	Empty.
	</div>
	</div>
	</body>
	</html>
	package main

	import (
	"strconv"
	"io/ioutil"
	"fmt"
	"bytes"
	"flag"
	"net/http"
	"regexp"
	"log"
	"os"
	)

	var (
	indexbytes []byte
	httpBind = flag.String("http", ":8888", "The bind address for the http server.")
	test = flag.Int("test", 0, "A TL fan club id to test the parser with.")
	)

	const (
	PageURI = "http://www.teamliquid.net/forum/viewmessage.php?topic_id=%v&currentpage=%v"
	)

	var (
	rgxPost = regexp.MustCompile(`(?i)<td class='forumPost' width='100%'>(.*?)</td>`)
	rgxSignup = regexp.MustCompile(`(?i)sign me(?: up)?\|i'?ll join\|add me\|count me in`)
	rgxDataUser = regexp.MustCompile(`data-user="(.*?)"`)
	rgxNext = regexp.MustCompile(`<a href="\/forum\/viewmessage\.php\?topic_id=[0-9]+&currentpage=[0-9]+" title="Next Page \([0-9]+\)" rel="next">Next</a>`)
	)

	type PostPage struct {
	Posts int
	Signups []string
	}

	func Parse(id int) ([]*PostPage, error) {
	page := 1
	hasNextPage := true
	postPages := make([]*PostPage, 0)
	for hasNextPage {
	uri := fmt.Sprintf(PageURI, id, page)
	log.Println("Making request: ", uri)
	resp, err := http.Get(uri)
	if err != nil {
	return nil, err
	}
	if resp.StatusCode != 200 {
	return nil, fmt.Errorf("Error retrieving uri (%v): %v", resp.StatusCode, uri)
	}

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
	return nil, err
	}

	hasNextPage = rgxNext.Match(body)

	postPage := new(PostPage)
	rawPosts := rgxPost.FindAllSubmatch(body, -1)
	users := rgxDataUser.FindAllSubmatch(body, -1)
	postPage.Posts = len(rawPosts)
	postPage.Signups = make([]string, 0)
	for i, rawPost := range rawPosts {
	if rgxSignup.Match(rawPost[1]) {
	postPage.Signups = append(postPage.Signups, string(users[i][1]))
	log.Printf("Signup found: %s", users[i][1])
	}
	}

	postPages = append(postPages, postPage)
	page++
	}

	return postPages, nil
	}

	func handleIndex(w http.ResponseWriter, r *http.Request) {
	log.Println("Request from:", r.RemoteAddr, r.RequestURI)
	if r.URL.Path != "/" {
	return
	}

	if sid := r.FormValue("id"); len(sid) > 0 {
	id, err := strconv.Atoi(sid)
	if err != nil {
	fmt.Println("Bad id:", sid, err)
	w.WriteHeader(500)
	return
	}

	pages, err := Parse(id)
	if err != nil {
	fmt.Println("Error parsing:", err)
	w.WriteHeader(500)
	}

	var buf bytes.Buffer
	for _, page := range pages {
	for _, signup := range page.Signups {
	_, err = buf.WriteString(signup)
	if err != nil {
	log.Fatal(err)
	}
	_, err = buf.WriteString("<br />")
	if err != nil {
	log.Fatal(err)
	}
	}
	}

	_, err = buf.WriteTo(w)
	if err != nil {
	fmt.Println("Error writing response:", err)
	}
	return
	}

	_, err := w.Write(indexbytes)
	if err != nil {
	log.Println("Error writing response:", err)
	}
	}

	func main() {
	var err error
	var indexhtml, standardcss *os.File

	flag.Parse()

	if *test > 0 {
	var pages []*PostPage
	pages, err = Parse(*test)
	if err != nil {
	log.Fatal(err)
	}

	log.Println("Found:", len(pages), "pages.")
	var buf bytes.Buffer
	for _, page := range pages {
	buf.Reset()
	for _, signup := range page.Signups {
	_, err = buf.WriteString(signup)
	if err != nil {
	log.Fatal(err)
	}
	_, err = buf.WriteString(", ")
	if err != nil {
	log.Fatal(err)
	}
	}
	log.Printf("Page %v (%v): %v", len(pages), len(page.Signups), buf.String())
	}

	log.Println("Exiting.")
	return
	}

	indexhtml, err = os.Open("index.html")
	defer indexhtml.Close()
	indexbytes, err = ioutil.ReadAll(indexhtml)
	if err != nil {
	log.Fatal(err)
	}
	standardcss, err = os.Open("standard.css")
	if err != nil {
	log.Fatal(err)
	}
	defer standardcss.Close()

	http.HandleFunc("/", handleIndex)
	http.Handle("/standard.css", http.FileServer(http.Dir(".")))

	err = http.ListenAndServe(*httpBind, nil)
	if err != nil {
	log.Fatal(err)
	}
	log.Println("Exiting.")
	}
	* {font-family: Sans-Serif;}
	body {background-color #f9f9f9;}
	#body {margin: 0 auto; width: 700px;}
	.peter-river-flat-button
	{
	width: 220px;
	height: 60px;
	font-size: 22px;
	color: white;
	text-align: center;
	text-shadow: 0px 1px 2px rgba(0,0,0,.25);
	background: #3498db;
	border: 0;
	border-bottom: 2px solid #2a8bcc;
	cursor: pointer;
	-webkit-box-shadow: inset 0 -2px #2a8bcc;
	box-shadow: inset 0 -2px ##2a8bcc;
	}