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package main
import (
"fmt"
"log"
"os"
"path"
"path/filepath"
"slices"
"strings"
"time"
"github.com/adrg/frontmatter"
mapset "github.com/deckarep/golang-set/v2"
)
type PostMatter struct {
Date time.Time `toml:"date"`
Description string `toml:"description"`
Title string `toml:"title"`
Taxonomies struct {
Tags []string `toml:"tags"`
} `toml:"taxonomies"`
}
type Post struct {
Input string
Output string
Basename string
URL string
Content string
PostMatter
}
type Tags mapset.Set[string]
func check(err error) {
if err != nil {
log.Panic(err)
}
}
func getPost(filename string) (PostMatter, string) {
matter := PostMatter{}
content, err := os.Open(filename)
check(err)
rest, err := frontmatter.Parse(content, &matter)
check(err)
return matter, string(rest)
}
func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
tags := mapset.NewSet[string]()
posts := []Post{}
subdir := filepath.Join(root, inputDir)
files, err := os.ReadDir(subdir)
outputReplacer := strings.NewReplacer(root, outputDir, ".md", "/index.html")
urlReplacer := strings.NewReplacer(root, "", ".md", "/")
check(err)
for _, f := range files {
pathFromRoot := filepath.Join(subdir, f.Name())
check(err)
if !f.IsDir() && path.Ext(pathFromRoot) == ".md" {
output := outputReplacer.Replace(pathFromRoot)
url := urlReplacer.Replace(pathFromRoot)
matter, content := getPost(pathFromRoot)
for _, tag := range matter.Taxonomies.Tags {
tags.Add(strings.ToLower(tag))
}
post := Post{
Input: pathFromRoot,
Output: output,
Basename: filepath.Base(url),
URL: url,
PostMatter: matter,
Content: content,
}
posts = append(posts, post)
}
}
slices.SortFunc(posts, func(a, b Post) int {
return b.Date.Compare(a.Date)
})
return posts, tags
}
func main() {
err := os.MkdirAll("public/post", 755)
check(err)
log.Print("Generating site...")
posts, tags := readPosts("content", "post", "public")
for _, post := range posts {
err := os.MkdirAll(path.Join("public", "post", post.Basename), 755)
check(err)
fmt.Printf("%+v\n", post.Date)
}
fmt.Printf("%+v\n", tags)
}
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