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authorAlan Pearce2024-04-14 22:42:33 +0200
committerAlan Pearce2024-04-16 18:10:11 +0200
commit42a838666aa9da0799dcd3c3d9c6ad0344d1e8d6 (patch)
tree70946e7a87c28ad676ee5e6297169d4bb16751d9 /src
parent4536e9e5dd826eb0e69c930312ba8f66e9c16175 (diff)
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wip: render posts and lists
Diffstat (limited to 'src')
-rw-r--r--src/build.go155
-rw-r--r--src/config.go38
2 files changed, 187 insertions, 6 deletions
diff --git a/src/build.go b/src/build.go
index b2847c3..3c2dfd5 100644
--- a/src/build.go
+++ b/src/build.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"log"
 	"os"
@@ -10,8 +11,11 @@ import (
 	"strings"
 	"time"
 
+	"github.com/PuerkitoBio/goquery"
 	"github.com/adrg/frontmatter"
 	mapset "github.com/deckarep/golang-set/v2"
+	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/extension"
 )
 
 type PostMatter struct {
@@ -40,14 +44,14 @@ func check(err error) {
 	}
 }
 
-func getPost(filename string) (PostMatter, string) {
+func getPost(filename string) (PostMatter, []byte) {
 	matter := PostMatter{}
 	content, err := os.Open(filename)
 	check(err)
 	rest, err := frontmatter.Parse(content, &matter)
 	check(err)
 
-	return matter, string(rest)
+	return matter, rest
 }
 
 func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
@@ -58,6 +62,13 @@ func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
 	outputReplacer := strings.NewReplacer(root, outputDir, ".md", "/index.html")
 	urlReplacer := strings.NewReplacer(root, "", ".md", "/")
 	check(err)
+	md := goldmark.New(
+		goldmark.WithExtensions(
+			extension.GFM,
+			extension.Footnote,
+			extension.Typographer,
+		),
+	)
 	for _, f := range files {
 		pathFromRoot := filepath.Join(subdir, f.Name())
 		check(err)
@@ -70,13 +81,16 @@ func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
 				tags.Add(strings.ToLower(tag))
 			}
 
+			var buf bytes.Buffer
+			err := md.Convert(content, &buf)
+			check(err)
 			post := Post{
 				Input:      pathFromRoot,
 				Output:     output,
 				Basename:   filepath.Base(url),
 				URL:        url,
 				PostMatter: matter,
-				Content:    content,
+				Content:    buf.String(),
 			}
 
 			posts = append(posts, post)
@@ -88,15 +102,144 @@ func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
 	return posts, tags
 }
 
+func layout(html string, config Config, pageTitle string) *goquery.Document {
+	css, err := os.ReadFile("templates/style.css")
+	check(err)
+	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
+	check(err)
+	doc.Find("html").SetAttr("lang", config.DefaultLanguage)
+	doc.Find("head > link[rel=alternate]").Add(".title").SetAttr("title", config.Title)
+	doc.Find("title").Add(".p-name").SetText(pageTitle)
+	doc.Find("head > style").SetText(string(css))
+	nav := doc.Find("nav")
+	navLink := doc.Find("nav a")
+	nav.Empty()
+	for _, link := range config.Menus["main"] {
+		nav.AppendSelection(navLink.Clone().SetAttr("href", link.URL).SetText(link.Name))
+	}
+	return doc
+}
+
+func renderPost(post Post, config Config) string {
+	tbytes, err := os.ReadFile("templates/post.html")
+	check(err)
+	doc := layout(string(tbytes), config, post.PostMatter.Title)
+	doc.Find(".title").AddClass("h-card p-author").SetAttr("rel", "author")
+	datetime, err := post.PostMatter.Date.MarshalText()
+	check(err)
+	doc.Find(".h-entry .dt-published").SetAttr("datetime", string(datetime)).SetText(
+		post.PostMatter.Date.Format("2006-01-02"),
+	)
+	doc.Find(".h-entry .e-content").SetHtml(post.Content)
+	categories := doc.Find(".h-entry .p-categories")
+	cat := categories.Find(".p-category").ParentsUntilSelection(categories)
+	cat.Remove()
+	for _, tag := range post.Taxonomies.Tags {
+		categories.AppendSelection(cat.Clone().Find(".p-category").SetAttr("href", fmt.Sprintf("/tags/%s/", tag)).SetText("#" + tag)).Parent()
+	}
+	html, err := doc.Html()
+	check(err)
+	return html
+}
+
+func renderTags(tags Tags, config Config) string {
+	tbytes, err := os.ReadFile("templates/tags.html")
+	check(err)
+
+	doc := layout(string(tbytes), config, config.Title)
+	tagList := doc.Find(".tags")
+	tpl := doc.Find(".h-feed")
+	tpl.Remove()
+	for _, tag := range mapset.Sorted(tags) {
+		tagList.AppendSelection(
+			tpl.Clone().SetAttr("href", fmt.Sprintf("/tags/%s/", tag)).SetText("#" + tag),
+		)
+	}
+	html, err := doc.Html()
+	check(err)
+	return html
+}
+
+func renderListPage(tag string, config Config, posts []Post) string {
+	tbytes, err := os.ReadFile("templates/list.html")
+	check(err)
+	var title string
+	if len(tag) > 0 {
+		title = tag
+	} else {
+		title = config.Title
+	}
+	doc := layout(string(tbytes), config, title)
+	feed := doc.Find(".h-feed")
+	tpl := feed.Find(".h-entry")
+	tpl.Remove()
+
+	doc.Find(".title").AddClass("h-card p-author").SetAttr("rel", "author")
+	if tag == "" {
+		doc.Find(".filter").Remove()
+	} else {
+		doc.Find(".filter").Find("h3").SetText("#" + tag)
+	}
+
+	for _, post := range posts {
+		entry := tpl.Clone()
+		datetime, err := post.PostMatter.Date.MarshalText()
+		check(err)
+
+		entry.Find(".p-name").SetText(post.Title).SetAttr("href", post.URL)
+		entry.Find(".dt-published").SetAttr("datetime", string(datetime)).SetText(post.PostMatter.Date.Format("2006-01-02"))
+		feed.AppendSelection(entry)
+	}
+
+	html, err := doc.Html()
+	check(err)
+	return html
+}
+
 func main() {
-	err := os.MkdirAll("public/post", 755)
+	config := getConfig()
+	err := os.MkdirAll("public/post", 0755)
 	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)
+		err := os.MkdirAll(path.Join("public", "post", post.Basename), 0755)
 		check(err)
-		fmt.Printf("%+v\n", post.Date)
+		// output := renderPost(post, config)
+		// err = os.WriteFile(post.Output, []byte(output), 0755)
+		// check(err)
 	}
+	err = os.MkdirAll("public/tags", 0755)
+	check(err)
+	// fmt.Printf("%+v\n", renderTags(tags, config))
+	// err = os.WriteFile("public/tags/index.html", []byte(renderTags(tags, config)), 0755)
+	// check(err)
+	for _, tag := range tags.ToSlice() {
+		matchingPosts := []Post{}
+		for _, post := range posts {
+			if slices.Contains(post.Taxonomies.Tags, tag) {
+				matchingPosts = append(matchingPosts, post)
+			}
+		}
+		err := os.MkdirAll(path.Join("public", "tags", tag), 0755)
+		check(err)
+		// tagPage := renderListPage(tag, config, matchingPosts)
+		// fmt.Printf("%+v\n", tagPage)
+		// err = os.WriteFile(path.Join("public", "tags", tag, "index.html"), []byte(tagPage), 0755)
+		// check(err)
+
+		// TODO: tag atom
+
+		fmt.Printf("%+v\n", renderListPage("", config, posts))
+
+		// TODO: atom
+
+		// TODO: renderFeedStyles
+
+		// TODO: renderHomepage
+
+		// TODO: render404Page
+	}
+
 	fmt.Printf("%+v\n", tags)
 }
diff --git a/src/config.go b/src/config.go
new file mode 100644
index 0000000..bfa3052
--- /dev/null
+++ b/src/config.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"github.com/BurntSushi/toml"
+)
+
+type Taxonomy struct {
+	Name string
+	Feed bool
+}
+
+type MenuItem struct {
+	Name string
+	URL  string `toml:"url"`
+}
+
+type Config struct {
+	DefaultLanguage        string `toml:"default_language"`
+	BaseURL                string `toml:"base_url"`
+	RedirectOtherHostnames bool   `toml:"redirect_other_hostnames"`
+	Title                  string
+	Email                  string
+	Description            string
+	DomainStartDate        string `toml:"domain_start_date"`
+	OriginalDomain         string `toml:"original_domain"`
+	Taxonomies             []Taxonomy
+	Extra                  struct {
+		Headers map[string]string
+	}
+	Menus map[string][]MenuItem
+}
+
+func getConfig() Config {
+	config := Config{}
+	_, err := toml.DecodeFile("config.toml", &config)
+	check(err)
+	return config
+}