genblog

2021-08-06 02:31:25 -05:00 · 2021-08-06 02:31:25 -05:00 · 5aa08c79e2
commit 5aa08c79e2
parent b88c2e60d1
1 changed files with 112 additions and 3 deletions
--- a/genblog.go
+++ b/genblog.go
@ -1,8 +1,117 @@
 package main

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