the web site for tilde.town. will eventually get merged into the `town` repo
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tilde.town/genusers.go

162 lines
2.8 KiB

package main
import (
"bytes"
"encoding/json"
"fmt"
"html/template"
"math/rand"
"os"
"os/exec"
"time"
)
//const statsPath = "/home/vilmibm/bin/townstats"
const statsPath = "/town/bin/stats"
type user struct {
Username string `json:"username"` // Username of user
PageTitle string `json:"title"` // Title of user's HTML page, if they have one
DefaultPage bool `json:"default"` // Whether or not user has updated their default index.html
}
type tildeData struct {
Users []*user `json:"users"`
}
func _main() error {
data, err := stats()
if err != nil {
return err
}
users := []*user{}
for _, u := range data.Users {
if !u.DefaultPage {
users = append(users, u)
}
}
hypertextDocument := getHeader()
rand.Seed(time.Now().UTC().UnixNano())
for i := range rand.Perm(len(users)) {
link, err := renderUserLink(users[i])
if err != nil {
return err
}
hypertextDocument += link
}
hypertextDocument += getFooter()
fmt.Println(hypertextDocument)
return nil
}
func renderUserLink(u *user) (string, error) {
title := u.PageTitle
if title == "" {
title = "~" + u.Username
}
pt := rand.Intn(20)
pb := rand.Intn(30)
pl := rand.Intn(25)
pr := rand.Intn(20)
opacity := rand.Intn(50) + 50
h := rand.Intn(5)
t, err := template.New("userlink").Parse(`<h{{.H}} style="padding-top: {{.Pt}}px;padding-left: {{.Pl}}px; padding-right:{{.Pr}}px; padding-bottom:{{.Pb}}px; opacity: {{.Opacity}}%; float:{{.Float}}">
<a href="https://tilde.town/~{{.Username}}">{{.Title}}</a>
</h{{.H}}>`)
if err != nil {
return "", err
}
float := "left"
if rand.Intn(2) == 0 {
float = "right"
}
out := bytes.Buffer{}
err = t.Execute(&out, struct {
Username string
Pt int
Pb int
Pl int
Pr int
Opacity int
H int
Title string
Float string
}{
Pt: pt, Pb: pb, Pl: pl, Pr: pr,
Opacity: opacity,
H: h,
Username: u.Username, Title: title,
Float: float,
})
if err != nil {
return "", err
}
return out.String(), nil
}
func main() {
err := _main()
if err != nil {
fmt.Fprintf(os.Stderr, "error: %s\n", err)
os.Exit(1)
}
}
func stats() (*tildeData, error) {
sout := bytes.Buffer{}
cmd := exec.Command(statsPath)
cmd.Stdout = &sout
err := cmd.Run()
if err != nil {
return nil, err
}
data := tildeData{}
err = json.Unmarshal(sout.Bytes(), &data)
if err != nil {
return nil, err
}
return &data, nil
}
func getHeader() string {
return `
<!DOCTYPE html>
<html>
<head>
<title>web pages of tilde town</title>
<meta charset="UTF-8">
<link rel="icon" href="/favicon.ico">
<link rel="stylesheet" href="style.css">
<style>
body {
background-color: black;
}
</style>
</head>
<body>
`
}
func getFooter() string {
return `
</body>
</html>`
}