diff options
Diffstat (limited to 'cmd/build/posts.go')
-rw-r--r-- | cmd/build/posts.go | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/cmd/build/posts.go b/cmd/build/posts.go deleted file mode 100644 index f03caf3..0000000 --- a/cmd/build/posts.go +++ /dev/null @@ -1,121 +0,0 @@ -package main - -import ( - "bytes" - "log/slog" - "os" - "path" - "path/filepath" - "slices" - "strings" - "time" - - "github.com/adrg/frontmatter" - mapset "github.com/deckarep/golang-set/v2" - "github.com/pkg/errors" - "github.com/yuin/goldmark" - "github.com/yuin/goldmark/extension" - htmlrenderer "github.com/yuin/goldmark/renderer/html" -) - -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] - -var markdown = goldmark.New( - goldmark.WithRendererOptions( - htmlrenderer.WithUnsafe(), - ), - goldmark.WithExtensions( - extension.GFM, - extension.Footnote, - extension.Typographer, - ), -) - -func getPost(filename string) (*PostMatter, []byte, error) { - matter := PostMatter{} - content, err := os.Open(filename) - defer content.Close() - if err != nil { - return nil, nil, errors.WithMessagef(err, "could not open post %s", filename) - } - rest, err := frontmatter.MustParse(content, &matter) - if err != nil { - return nil, nil, errors.WithMessagef(err, "could not parse front matter of post %s", filename) - } - - return &matter, rest, nil -} - -func renderMarkdown(content []byte) (string, error) { - var buf bytes.Buffer - if err := markdown.Convert(content, &buf); err != nil { - return "", errors.WithMessage(err, "could not convert markdown content") - } - return buf.String(), nil -} - -func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags, error) { - tags := mapset.NewSet[string]() - posts := []Post{} - subdir := filepath.Join(root, inputDir) - files, err := os.ReadDir(subdir) - if err != nil { - return nil, nil, errors.WithMessagef(err, "could not read post directory %s", subdir) - } - outputReplacer := strings.NewReplacer(root, outputDir, ".md", "/index.html") - urlReplacer := strings.NewReplacer(root, "", ".md", "/") - for _, f := range files { - pathFromRoot := filepath.Join(subdir, f.Name()) - if !f.IsDir() && path.Ext(pathFromRoot) == ".md" { - output := outputReplacer.Replace(pathFromRoot) - url := urlReplacer.Replace(pathFromRoot) - slog.Debug("reading post", "post", pathFromRoot) - matter, content, err := getPost(pathFromRoot) - if err != nil { - return nil, nil, err - } - - for _, tag := range matter.Taxonomies.Tags { - tags.Add(strings.ToLower(tag)) - } - - slog.Debug("rendering markdown in post", "post", pathFromRoot) - html, err := renderMarkdown(content) - if err != nil { - return nil, nil, err - } - post := Post{ - Input: pathFromRoot, - Output: output, - Basename: filepath.Base(url), - URL: url, - PostMatter: *matter, - Content: html, - } - - posts = append(posts, post) - } - } - slices.SortFunc(posts, func(a, b Post) int { - return b.Date.Compare(a.Date) - }) - return posts, tags, nil -} |