From 33cfc1d4e8f3b5b55202588e5b5148a48b43d427 Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Sun, 5 Oct 2025 22:40:28 +0200
Subject: refactor(backend): generalize file parsing

---
 backend/data.go                   | 24 +++++++++++-----------
 backend/logs.go                   | 38 ++++++++--------------------------
 backend/parser.go                 | 43 +++++++++++++++++++++++++++++++++++++++
 backend/templates/base.html       |  6 +++---
 backend/templates/components.html |  6 ++----
 backend/templates/home.html       |  2 +-
 backend/templates/log.html        |  2 +-
 7 files changed, 71 insertions(+), 50 deletions(-)
 create mode 100644 backend/parser.go

(limited to 'backend')

diff --git a/backend/data.go b/backend/data.go
index d98c8b0..bc3136c 100644
--- a/backend/data.go
+++ b/backend/data.go
@@ -24,16 +24,16 @@ type dataUsable interface {
 }
 
 type data struct {
-	title       string
-	Article     bool
-	Domain      string
-	URL         string
-	Image       string
-	Description string
-	Name        string
-	Links       []Link
-	Logo        *Logo
-	Quote       string
+	title           string
+	Article         bool
+	Domain          string
+	URL             string
+	Image           string
+	PageDescription string
+	Name            string
+	Links           []Link
+	Logo            *Logo
+	Quote           string
 }
 
 func (d *data) SetData(data *data) {
@@ -48,8 +48,8 @@ func (d *data) handleGeneric(w http.ResponseWriter, r *http.Request, name string
 	if d.Name == "" {
 		d.Name = cfg.Name
 	}
-	if d.Description == "" {
-		d.Description = cfg.Description
+	if d.PageDescription == "" {
+		d.PageDescription = cfg.Description
 	}
 	if d.Links == nil {
 		d.Links = cfg.Links
diff --git a/backend/logs.go b/backend/logs.go
index bd93353..46e47c5 100644
--- a/backend/logs.go
+++ b/backend/logs.go
@@ -1,7 +1,6 @@
 package backend
 
 import (
-	"errors"
 	"fmt"
 	"html/template"
 	"log/slog"
@@ -14,9 +13,7 @@ import (
 	"sync"
 	"time"
 
-	"git.anhgelus.world/anhgelus/small-world/markdown"
 	"github.com/go-chi/chi/v5"
-	"github.com/pelletier/go-toml/v2"
 )
 
 var (
@@ -25,12 +22,9 @@ var (
 
 type logData struct {
 	*data
-	LogTitle     string         `toml:"title"`
-	Description  string         `toml:"description"`
-	Img          image          `toml:"image"`
-	PubLocalDate toml.LocalDate `toml:"publication_date"`
-	Content      template.HTML  `toml:"-"`
-	Slug         string         `toml:"-"`
+	EntryInfo
+	Content template.HTML `toml:"-"`
+	Slug    string        `toml:"-"`
 }
 
 func (d *logData) SetData(dt *data) {
@@ -146,7 +140,7 @@ func handleLog(w http.ResponseWriter, r *http.Request) {
 
 func parseLog(d *logData, path, slug string) bool {
 	d.Article = true
-	d.LogTitle = slug
+	d.EntryInfo.Title = slug
 	d.title = slug
 	d.Slug = slug
 	b, err := os.ReadFile(path + ".md")
@@ -156,27 +150,13 @@ func parseLog(d *logData, path, slug string) bool {
 		}
 		panic(err)
 	}
-	var dd string
-	splits := strings.SplitN(string(b), "---", 2)
-	if len(splits) == 2 {
-		dd = splits[1]
-		err = toml.Unmarshal([]byte(splits[0]), &d)
-		if err != nil {
-			panic(err)
-		}
-		d.title = d.LogTitle
-		d.Image = d.Img.Src
-	} else {
-		dd = string(b)
-	}
-	d.Content, err = markdown.Parse(dd, &markdown.Option{ImageSource: getStatic})
-	var errMd *markdown.ParseError
-	errors.As(err, &errMd)
-	if errMd != nil {
-		slog.Error("parsing markdown")
-		fmt.Println(errMd.Pretty())
+	var ok bool
+	d.Content, ok = parse(b, &d.EntryInfo)
+	if !ok {
 		return false
 	}
+	d.title = d.EntryInfo.Title
+	d.Image = d.Img.Src
 	logs[path] = d
 	return true
 }
diff --git a/backend/parser.go b/backend/parser.go
new file mode 100644
index 0000000..a0cb01f
--- /dev/null
+++ b/backend/parser.go
@@ -0,0 +1,43 @@
+package backend
+
+import (
+	"errors"
+	"fmt"
+	"html/template"
+	"log/slog"
+	"strings"
+
+	"git.anhgelus.world/anhgelus/small-world/markdown"
+	"github.com/pelletier/go-toml/v2"
+)
+
+type EntryInfo struct {
+	Title        string         `toml:"title"`
+	Description  string         `toml:"description"`
+	Img          image          `toml:"image"`
+	PubLocalDate toml.LocalDate `toml:"publication_date"`
+}
+
+func parse(b []byte, info *EntryInfo) (template.HTML, bool) {
+	var dd string
+	splits := strings.SplitN(string(b), "---", 2)
+	if len(splits) == 2 && info != nil {
+		err := toml.Unmarshal([]byte(splits[0]), info)
+		if err != nil {
+			slog.Warn("parsing entry info", "error", err)
+		} else {
+			dd = splits[1]
+		}
+	} else {
+		dd = string(b)
+	}
+	content, err := markdown.Parse(dd, &markdown.Option{ImageSource: getStatic})
+	var errMd *markdown.ParseError
+	errors.As(err, &errMd)
+	if errMd != nil {
+		slog.Error("parsing markdown")
+		fmt.Println(errMd.Pretty())
+		return "", false
+	}
+	return content, true
+}
diff --git a/backend/templates/base.html b/backend/templates/base.html
index 3af37f9..5e6982b 100644
--- a/backend/templates/base.html
+++ b/backend/templates/base.html
@@ -6,13 +6,13 @@
     <title>{{ .Title }}</title>
     {{ $styles := asset "styles.css" }}<link rel="stylesheet" href="{{ $styles.Src }}" integrity="{{ $styles.Checksum }}">
     <link rel="shortcut icon" href="{{ static .Logo.Favicon }}">
-    <meta property="description" content="{{ .Description }}" />
+    <meta property="description" content="{{ .PageDescription }}" />
     <!-- Open Graph -->
     <meta property="og:title" content="{{ .Title }}" />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://{{ .Domain }}{{ .URL }}" />
     <meta property="og:image" content="{{ fullStatic .Image }}" />
-    <meta property="og:description" content="{{ .Description }}" />
+    <meta property="og:description" content="{{ .PageDescription }}" />
     <meta property="og:local" content="fr_FR" />
     <meta property="og:site_name" content="{{ .Name }}" />
     {{ if ne .PubDate "" }}<meta property="article:published_time" content="{{ .PubDate }}">{{ end }}
@@ -21,7 +21,7 @@
     <meta property="twitter:domain" content="{{ .Domain }}" />
     <meta property="twitter:url" content="https://{{ .Domain }}{{ .URL }}" />
     <meta name="twitter:title" content="{{ .Title }}" />
-    <meta name="twitter:description" content="{{ .Description }}" />
+    <meta name="twitter:description" content="{{ .PageDescription }}" />
     <meta name="twitter:image" content="{{ fullStatic .Image }}" />
 </head>
 <body hx-push-url="true">
diff --git a/backend/templates/components.html b/backend/templates/components.html
index cb0fb12..280fa3d 100644
--- a/backend/templates/components.html
+++ b/backend/templates/components.html
@@ -2,14 +2,12 @@
 <article>
     {{ range .Logs }}
     <article>
-        <h2><a href="/log/{{ .Slug }}">{{ .LogTitle }}</a></h2>
+        <h2><a href="/log/{{ .Slug }}">{{ .Title }}</a></h2>
         <figure>
             <a href="/log/{{ .Slug }}"><img src="{{ static .Img.Src }}" alt="{{ .Img.Alt }}"></a>
             <figcaption>{{ .Img.Legend }}</figcaption>
         </figure>
-        <p>
-            {{ .Description }}
-        </p>
+        <p>{{ .Description }}</p>
     </article>
     {{ end }}
     {{ if ne .PagesNumber 1 }}
diff --git a/backend/templates/home.html b/backend/templates/home.html
index de9d2af..c570845 100644
--- a/backend/templates/home.html
+++ b/backend/templates/home.html
@@ -3,7 +3,7 @@
 <div class="introduction">
     <h1>logs</h1>
     <p>
-        {{ .Description }}
+        {{ .PageDescription }}
     </p>
 </div>
 {{ template "logs_display" . }}
diff --git a/backend/templates/log.html b/backend/templates/log.html
index f872631..47a5d04 100644
--- a/backend/templates/log.html
+++ b/backend/templates/log.html
@@ -1,6 +1,6 @@
 {{define "body"}}
 <article id="content">
-    <h1>{{ .LogTitle }}</h1>
+    <h1>{{ .Title }}</h1>
     <p>
         {{ .Description }}
     </p>
-- 
cgit v1.2.3