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package page
import (
"fmt"
"io"
"io/ioutil"
"text/template"
"time"
"gopkg.in/russross/blackfriday.v2"
"gopkg.in/yaml.v2"
)
type Page struct {
Name string
Head string
Body string
Date *time.Time
Published bool
}
// Can be adjusted to change the base template used in rendering
var BaseTemplate = "inc/base.html"
func (p *Page) Render(wr io.Writer) error {
if err := p.readYaml(); err != nil {
return err
}
if err := p.readMarkdown(); err != nil {
return err
}
t, err := template.ParseFiles(BaseTemplate)
if err != nil {
return err
}
// Automatically pull from the yml file if applicable
if p.Head != "" {
t, err = t.Parse(`
{{define "head"}}
{{.Head}}
{{end}}
`)
if err != nil {
return err
}
}
return t.Execute(wr, p)
}
func (p *Page) readYaml() error {
fname := p.Name + ".yml"
b, err := ioutil.ReadFile(fname)
if err != nil {
return fmt.Errorf("While unmarshaling file '%s': %v", fname, err)
}
return yaml.Unmarshal(b, p)
}
func (p *Page) readMarkdown() error {
pth := p.Name + ".md"
b, err := ioutil.ReadFile(pth)
if err != nil {
return fmt.Errorf("Error while reading markdown for path %s: %v",
pth, err)
}
p.Body = string(blackfriday.Run(b))
return nil
}
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