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diff --git a/blog.go b/blog.go
deleted file mode 100644
index 21f761408aedd5cedc2f77052c46a8941dca5727..0000000000000000000000000000000000000000
--- a/blog.go
+++ /dev/null
@@ -1,244 +0,0 @@
-package blog
-
-import (
- "bytes"
- "errors"
- "fmt"
- "html/template"
- "io"
- "io/fs"
- "net/url"
- "os"
- "path/filepath"
- "sort"
- "strings"
- "time"
-
- "github.com/bmatcuk/doublestar/v4"
- "github.com/pelletier/go-toml/v2"
- "gopkg.in/yaml.v3"
-)
-
-// Blog is a collection of [Article]
-type Blog struct {
- indexTemplate *template.Template
- articleTemplate *template.Template
- Articles []Article
- Author Author
-}
-
-// Article is a blog post/article
-type Article struct {
- Filename string
- Content template.HTML
- ArticleMeta
-}
-
-// ArticleMeta is the metadata of an [Article]
-// The meta is parsed from frontmatter in an article
-type ArticleMeta struct {
- Title string
- Subtitle string
- Summary string
- Time time.Time
- Author Author
- Tags []string
- Category string
-}
-
-// Author is an author of a blog/post
-type Author struct {
- Name string
- Job string
- Email string
- Links []Link
-}
-
-// Link is a link name and URL
-type Link struct {
- Name string
- URL LinkURL
-}
-
-// LinkURL is a URL
-type LinkURL url.URL
-
-func (l *LinkURL) UnmarshalText(data []byte) error {
- u, err := url.Parse(string(data))
- if err != nil {
- return err
- }
- *l = LinkURL(*u)
- return nil
-}
-
-// NewBlog constructs a new blog from articles in articleDir and templates in templateDir
-func NewBlog(articleDir, templateDir string, author Author) (*Blog, error) {
- tmpl, err := parseTemplates(os.DirFS(templateDir))
- if err != nil {
- return nil, fmt.Errorf("could not parse templates in %q: %w", templateDir, err)
- }
- indexTmpl := tmpl.Lookup("index.tmpl")
- if indexTmpl == nil {
- indexTmpl = tmpl.Lookup("index")
- if indexTmpl == nil {
- return nil, errors.New("`index` template is required but was not found")
- }
- }
- articleTmpl := tmpl.Lookup("article.tmpl")
- if articleTmpl == nil {
- articleTmpl = tmpl.Lookup("article")
- if articleTmpl == nil {
- return nil, errors.New("`article` template is required but was not found")
- }
- }
- articles, err := parseArticles(os.DirFS(articleDir))
- if err != nil {
- return nil, fmt.Errorf("could not parse articles in %q: %w", articleDir, err)
- }
- return &Blog{
- indexTemplate: indexTmpl,
- articleTemplate: articleTmpl,
- Articles: articles,
- Author: author,
- }, nil
-}
-
-// Index renders the blog index to w
-func (b *Blog) Index(w io.Writer) error {
- byCat := make(map[string][]Article)
- for _, article := range b.Articles {
- byCat[article.Category] = append(byCat[article.Category], article)
- }
- return b.indexTemplate.Execute(w, map[string]any{
- "Articles": b.Articles,
- "ArticlesByCategory": byCat,
- "Author": b.Author,
- })
-}
-
-// Article renders an article to w
-func (b *Blog) Article(w io.Writer, a Article) error {
- return b.articleTemplate.Execute(w, map[string]any{
- "Article": a,
- "Author": b.Author,
- })
-}
-
-func parseTemplates(fs fs.FS) (*template.Template, error) {
- matches, err := doublestar.Glob(fs, "**/*.{tmpl,gohtml}")
- if err != nil {
- return nil, fmt.Errorf("could not glob templates: %w", err)
- }
- tmpl, err := template.New("").ParseFS(fs, matches...)
- if err != nil {
- return nil, fmt.Errorf("could not parse templates: %w", err)
- }
- return tmpl, nil
-}
-
-func parseArticles(fs fs.FS) ([]Article, error) {
- matches, err := doublestar.Glob(fs, "**/*.md")
- if err != nil {
- return nil, fmt.Errorf("could not glob articles: %w", err)
- }
- articles := make([]Article, 0, len(matches))
- for _, match := range matches {
- if err := func() error {
- fi, err := fs.Open(match)
- if err != nil {
- return err
- }
- defer fi.Close()
-
- content, err := io.ReadAll(fi)
- if err != nil {
- return err
- }
-
- article, err := parseArticle(string(content))
- if err != nil {
- return err
- }
- article.Filename = strings.TrimSuffix(filepath.Base(match), filepath.Ext(match))
- articles = append(articles, article)
- return nil
- }(); err != nil {
- return nil, err
- }
- }
- sort.SliceStable(articles, func(i, j int) bool {
- return articles[i].Time.After(articles[j].Time)
- })
- return articles, nil
-}
-
-func parseArticle(content string) (Article, error) {
- lines := strings.Split(content, "\n")
-
- start, end := -1, -1
- var isSep func(string) bool
- var decoder func([]byte, any) error
-
- for idx, line := range lines {
- if strings.TrimSpace(line) == "" {
- continue
- }
- if isSep != nil && isSep(line) {
- end = idx
- break
- }
-
- if isTOMLSeparator(line) {
- start = idx
- isSep = isTOMLSeparator
- decoder = toml.Unmarshal
- continue
- }
-
- if isYAMLSeparator(line) {
- start = idx
- isSep = isYAMLSeparator
- decoder = yaml.Unmarshal
- continue
- }
- }
-
- var meta ArticleMeta
- body := content
- if start != -1 && end != -1 {
- body = strings.Join(lines[end+1:], "\n")
- if err := decoder([]byte(strings.Join(lines[start+1:end], "\n")), &meta); err != nil {
- return Article{}, fmt.Errorf("could not parse frontmatter: %w", err)
- }
- }
-
- var buf bytes.Buffer
- err := Markdown.Convert([]byte(body), &buf)
- if err != nil {
- return Article{}, fmt.Errorf("could not convert article: %w", err)
- }
-
- return Article{
- Content: template.HTML(buf.String()),
- ArticleMeta: meta,
- }, nil
-}
-
-func isTOMLSeparator(line string) bool {
- for _, char := range line {
- if char != '+' {
- return false
- }
- }
- return true
-}
-
-func isYAMLSeparator(line string) bool {
- for _, char := range line {
- if char != '-' {
- return false
- }
- }
- return true
-}
|