2021-08-06 03:18:46 +00:00
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package main
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2021-08-06 07:31:25 +00:00
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"os/exec"
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"text/template"
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)
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const statsPath = "/home/vilmibm/bin/townstats"
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// TODO const statsPath = "/town/bin/stats"
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type newsEntry struct {
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Title string `json:"title"` // Title of entry
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Pubdate string `json:"pubdate"` // Human readable date
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Content string `json:"content"` // HTML of entry
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}
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type tildeData struct {
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News []newsEntry `json:"news"` // Collection of town news entries
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}
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func _main() error {
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data, err := stats()
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if err != nil {
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return err
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}
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hypertextDocument := getHeader()
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for _, entry := range data.News {
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entryHTML, err := renderEntry(entry)
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if err != nil {
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return err
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}
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hypertextDocument += entryHTML
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}
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hypertextDocument += getFooter()
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fmt.Println(hypertextDocument)
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return nil
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}
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func renderEntry(entry newsEntry) (string, error) {
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t, err := template.New("news").Parse(`
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<h2>{{.Title}}</h2>
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<em>{{.Pubdate}}</em>
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{{.Content}}
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`)
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if err != nil {
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return "", err
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}
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out := bytes.Buffer{}
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err = t.Execute(&out, entry)
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if err != nil {
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return "", err
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}
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return out.String(), nil
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}
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func getHeader() string {
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<title>web log of tilde town</title>
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<meta charset="UTF-8">
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<link rel="icon" href="/favicon.ico">
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<h1>a web log for tilde town or at least what passes for one</h1>
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`
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}
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func getFooter() string {
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return `
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</body>
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</html>
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`
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}
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func stats() (*tildeData, error) {
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sout := bytes.Buffer{}
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cmd := exec.Command(statsPath)
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cmd.Stdout = &sout
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err := cmd.Run()
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if err != nil {
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return nil, err
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}
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data := tildeData{}
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err = json.Unmarshal(sout.Bytes(), &data)
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if err != nil {
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return nil, err
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}
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return &data, nil
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}
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2021-08-06 03:18:46 +00:00
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func main() {
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2021-08-06 07:31:25 +00:00
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err := _main()
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %s\n", err)
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os.Exit(1)
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}
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2021-08-06 03:18:46 +00:00
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}
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