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|
package pages
import (
"bytes"
"fmt"
"text/template"
"git.sr.ht/~a73x/home/html"
"git.sr.ht/~a73x/home/markdown"
"git.sr.ht/~a73x/home/templates"
)
type GlobalState struct {
Collections map[string][]markdown.Content
Nav map[string]markdown.Content
}
type ParserPair struct {
GlobalState
markdown.Content
}
func renderTemplate(config GlobalState, content markdown.Content) (string, error) {
tmpl := content.Meta["template"]
chosenTemplate := fmt.Sprintf("%s.html", tmpl)
t, err := template.ParseFS(templates.FS, chosenTemplate, "layouts/*.html")
if err != nil {
return "", fmt.Errorf("failed to parse layouts: %v", err)
}
contentParser, err := template.New("content").Parse(string(content.Body))
if err != nil {
return "", fmt.Errorf("failed parsing content: %v", err)
}
data := ParserPair{
config,
content,
}
newContent := &bytes.Buffer{}
if err := contentParser.Execute(newContent, data); err != nil {
return "", fmt.Errorf("failed to execute content template: %v", err)
}
data.Body = string(html.MDToHTML(newContent.Bytes()))
b := &bytes.Buffer{}
if err := t.Execute(b, data); err != nil {
return "", err
}
return b.String(), nil
}
type Page struct {
Path string
Content string
}
func Collect() ([]Page, error) {
contents, err := markdown.ParseContents()
if err != nil {
return nil, err
}
gs := GlobalState{
Collections: map[string][]markdown.Content{
"all": contents,
},
Nav: map[string]markdown.Content{},
}
for _, content := range contents {
tags, ok := content.Meta["tags"]
if ok {
switch tags := tags.(type) {
case string:
gs.Collections[tags] = append(gs.Collections[tags], content)
case []string:
for _, tag := range tags {
gs.Collections[tag] = append(gs.Collections[tag], content)
}
}
}
nav, ok := content.Meta["nav"]
if ok {
gs.Nav[nav.(string)] = content
}
}
pages := []Page{}
for _, content := range contents {
page, err := renderTemplate(gs, content)
if err != nil {
return nil, fmt.Errorf("failed to build site: %v", err)
}
path := content.Path
if path == "index" {
path = ""
}
pages = append(pages, Page{
Path: path,
Content: page,
})
}
return pages, nil
}
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