repo: generalize blog by introducing a blog config

RaphaelPour · Jul 11, 2023 · abd2f88 · abd2f88
1 parent 26e0f00
commit abd2f88
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Showing 4 changed files with 68 additions and 14 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@
       * limit image width to 80 chars
       * outsource templates to files and embed them into the binary
     * repo: make pkgs metadata and highlighter internal (#84)
+    * repo: generalize blog by introducing a blog config
 
 *Not released yet*
 

diff --git a/cmd/index.tmpl b/cmd/index.tmpl
@@ -2,7 +2,7 @@
 <html>
 	<head>
 		<meta charset="UTF-8">
-		<title>Blog</title>
+        <title>{{.Cfg.Title}}</title>
 		<link rel="icon" href="data:,">
 		<link rel="alternate" type="application/rss+xml" title="Feed" href="/rss.xml">
 		<style>
@@ -13,17 +13,16 @@
 		</style>
 	</head>
 	<body>
-	<h2>evilcookie</h2>
-		Hi, I'm Raphael. I write about my software developer journey.
-		You can find my stuff on <a href='https://github.com/RaphaelPour'>github</a>.
+    <h2>{{.Cfg.Title}}</h2>
+        {{.Cfg.Description}}
 		<ul>
-		{{range .}}
+		{{range .Posts}}
 		<li>
 		  <span class='date'>[{{.CreatedAt}}]</span>
 			<a href='{{ .Link }}'>{{ .Title }}</a>
 		</li>
 		{{else}}<li><strong>no posts</strong></li>{{end}}
 		</ul>
-		<a href='rss.xml'>RSS</a>|<a href='impressum.html'>Impressum</a>
+        {{.Cfg.Footer}}
 	</body>
 </html>
diff --git a/cmd/render.go b/cmd/render.go
@@ -24,10 +24,12 @@ import (
 	"path/filepath"
 	"regexp"
 	"sort"
+	plainTemplate "text/template"
 	"time"
 
 	_ "embed"
 
+	"github.com/RaphaelPour/blogctl/internal/config"
 	"github.com/RaphaelPour/blogctl/internal/highlighter"
 	"github.com/RaphaelPour/blogctl/internal/metadata"
 	"github.com/gomarkdown/markdown"
@@ -66,12 +68,16 @@ var renderCmd = &cobra.Command{
 	Short: "Renders blog to static website",
 	Long:  "Collects all posts and renders the markdown using the metadata as static website",
 	RunE: func(cmd *cobra.Command, args []string) error {
+		cfg, err := config.Load(BlogPath)
+		if err != nil {
+			return err
+		}
 
 		feed := &feeds.Feed{
-			Title:       "evilcookie.de",
-			Link:        &feeds.Link{Href: "https://evilcookie.de"},
-			Description: "drunken stack developer",
-			Author:      &feeds.Author{Name: "Raphael Pour"},
+			Title:       cfg.Title,
+			Link:        &feeds.Link{Href: fmt.Sprintf("https://%s", cfg.Domain)},
+			Description: cfg.Description,
+			Author:      &feeds.Author{Name: cfg.Author},
 			Created:     time.Now(),
 		}
 
@@ -222,17 +228,18 @@ var renderCmd = &cobra.Command{
 				Content: string(post.Rendered),
 				Link: &feeds.Link{
 					Href: fmt.Sprintf(
-						"https://evilcookie.de/%s.html",
+						"https://%s/%s.html",
+						cfg.Domain,
 						slug(post.Title),
 					),
 				},
-				Author:  &feeds.Author{Name: "Raphael Pour"},
+				Author:  &feeds.Author{Name: cfg.Author},
 				Created: time.Unix(post.Timestamp, 0),
 			})
 		}
 
 		/* Put everything together */
-		t, err := template.New("blog").Parse(indexTemplate)
+		t, err := plainTemplate.New("blog").Parse(indexTemplate)
 		if err != nil {
 			return fmt.Errorf("Error parsing the html template: %s", err)
 		}
@@ -244,7 +251,15 @@ var renderCmd = &cobra.Command{
 			return fmt.Errorf("Error creating index file: %s", err)
 		}
 
-		if err := t.Execute(file, publishedPosts); err != nil {
+		var indexVars = struct {
+			Posts []Post
+			Cfg   config.Config
+		}{
+			Posts: publishedPosts,
+			Cfg:   *cfg,
+		}
+
+		if err := t.Execute(file, indexVars); err != nil {
 			return fmt.Errorf("Error rendering posts: %s", err)
 		}
 

diff --git a/internal/config/config.go b/internal/config/config.go
@@ -0,0 +1,39 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+const (
+	CONFIG_FILE = "blog.json"
+)
+
+type Config struct {
+	Version     int    `json:"version"`
+	Domain      string `json:"domain"`
+	Author      string `json:"author"`
+	Title       string `json:"title"`
+	Description string `json:"description"`
+	Footer      string `json:"footer"`
+}
+
+func ConfigPath(postPath string) string {
+	return filepath.Join(postPath, CONFIG_FILE)
+}
+
+func Load(postPath string) (*Config, error) {
+	raw, err := os.ReadFile(ConfigPath(postPath))
+	if err != nil {
+		return nil, fmt.Errorf("Error reading config: %s", err)
+	}
+
+	config := new(Config)
+	if err := json.Unmarshal(raw, &config); err != nil {
+		return nil, fmt.Errorf("Error parsing config: %s", err)
+	}
+
+	return config, nil
+}