From b87964e81f99e03dd5ed2983d3788ae2170de237 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?William=20Herg=C3=A8s?= <william@herges.fr>
Date: Fri, 1 Aug 2025 12:54:51 +0200
Subject: [PATCH] feat(config): supports external link for images

---
 data.go                     | 16 ++++++++++++++--
 main.go                     |  5 +++++
 templates/page/index.gohtml |  2 +-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/data.go b/data.go
index 75ec2d0..f95289a 100644
--- a/data.go
+++ b/data.go
@@ -7,10 +7,15 @@ import (
 	"github.com/anhgelus/golatt"
 	"html/template"
 	"os"
+	"regexp"
 	"strconv"
 	"strings"
 )
 
+var (
+	regexExternalLink = regexp.MustCompile(`https?://`)
+)
+
 type ConfigData interface {
 	GetTextColor() template.CSS
 	GetBackground() template.CSS
@@ -70,12 +75,19 @@ type Link struct {
 	Content string `json:"content" toml:"content"`
 }
 
+func getImage(s string) string {
+	if regexExternalLink.MatchString(s) {
+		return s
+	}
+	return golatt.GetStaticPath(s)
+}
+
 func (c *Config) GetBackground() template.CSS {
 	return c.Color.GetBackground()
 }
 
 func (c *Config) GetBackgroundImage() template.CSS {
-	return template.CSS("--background-image: url(" + golatt.GetStaticPath(c.Image) + ");")
+	return template.CSS("--background-image: url(" + getImage(c.Image) + ");")
 }
 
 func (c *Config) GetTextColor() template.CSS {
@@ -168,7 +180,7 @@ func (p *CustomPage) GetTextColor() template.CSS {
 }
 
 func (p *CustomPage) GetBackgroundImage() template.CSS {
-	return template.CSS("--background-image: url(" + golatt.GetStaticPath(p.Image) + ");")
+	return template.CSS("--background-image: url(" + getImage(p.Image) + ");")
 }
 
 func (p *CustomPage) GetBackground() template.CSS {
diff --git a/main.go b/main.go
index 4ef6f6d..23c3f69 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"github.com/BurntSushi/toml"
 	"github.com/anhgelus/golatt"
+	"html/template"
 	"log/slog"
 	"net/http"
 	"os"
@@ -127,6 +128,10 @@ func main() {
 		http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
 	}
 
+	g.TemplateFuncMap = template.FuncMap{
+		"getImage": getImage,
+	}
+
 	host := fmt.Sprintf(":%d", port)
 	if dev {
 		if port != 80 {
diff --git a/templates/page/index.gohtml b/templates/page/index.gohtml
index f0ebaea..21d4423 100644
--- a/templates/page/index.gohtml
+++ b/templates/page/index.gohtml
@@ -2,7 +2,7 @@
     <main style="{{ .GetBackground }}">
         <div class="presentation">
             <figure>
-                <img src="{{ getStaticPath .Person.Image }}" alt="{{ .Person.Name }}'s image">
+                <img src="{{ getImage .Person.Image }}" alt="{{ .Person.Name }}'s image">
             </figure>
             <div class="presentation__information">
                 <h2>{{ .Person.Name }}</h2>