Trying out Go Templates

templates.go

package main

import (
	"os"
	"text/template"
	"time"
)

type Article struct {
	Title     string
	Subtitle  string
	Author    string
	Published time.Time
	Language  string
}

func (a Article) PublishedStr() string {
	switch a.Language {
	case "de":
		return a.Published.Format("01.02.2006 15:04")
	default:
		return a.Published.Format("2006-02-01 15:04")
	}
}

var Examples = []Article{
	{"Hello", "My First Post", "Patrick Bucher", time.Now(), "en"},
	{"Shalom", "Greetings", "Shlomo Shekelstein", time.Now(), "en"},
	{"Hallo", "Ein weiterer Beitrag", "Patrick Bucher", time.Now(), "de"},
}

const blogTemplate = `
{{ define "article" }}
{{ .Title }}. {{ .Subtitle }}
{{ .Author }}, {{ .PublishedStr }} ({{ .Language }})
{{ end }}

{{ range $i, $article := . }}
{{- inc $i }}) {{- template "article" $article -}}
{{ end }}
`

func main() {
	funcs := template.FuncMap{
		"inc": func(i int) int { return i + 1 },
	}
	bt, err := template.New("blog").Funcs(funcs).Parse(blogTemplate)
	if err != nil {
		panic(err)
	}
	err = bt.Execute(os.Stdout, Examples)
	if err != nil {
		panic(err)
	}
}