From 3b22be94e8e18fedb22f15f2dff879bda172b8a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9drix?= <cedric@abonnel.fr>
Date: Sat, 16 May 2026 10:56:43 +0200
Subject: [PATCH] =?UTF-8?q?feat=20:=20barre=20de=20partage=20articles=20+?=
 =?UTF-8?q?=20d=C3=A9duplication=20images=20upload=C3=A9es=20(v1.6.20)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- post_view.php : barre de partage (mail, X, LinkedIn, Mastodon, copier, Web Share) sur articles publiés (#47)
- share.js : logique clipboard + navigator.share sans script tiers, compatible CSP (#47)
- addFile() : hardlink vers fichier identique si même hash16-size.ext dans un autre article (#35)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 CHANGELOG.md              |  8 ++++++++
 public/assets/js/share.js | 40 +++++++++++++++++++++++++++++++++++++++
 public/version.txt        |  2 +-
 src/ArticleManager.php    | 11 ++++++++++-
 templates/layout.php      |  3 +++
 templates/post_view.php   | 23 ++++++++++++++++++++++
 6 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 public/assets/js/share.js

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8806ef3..69cf609 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ Format : [Keep a Changelog](https://keepachangelog.com/fr/1.0.0/) — versionnag
 
 ---
 
+## [1.6.20] - 2026-05-16
+
+### Ajouté
+- Barre de partage sur les articles publiés : mail, X, LinkedIn, Mastodon, copie de lien, Web Share API mobile (#47)
+- Déduplication des images uploadées par hardlink si même hash+taille existe déjà dans un autre article (#35)
+
+---
+
 ## [1.6.19] - 2026-05-16
 
 ### Ajouté
diff --git a/public/assets/js/share.js b/public/assets/js/share.js
new file mode 100644
index 0000000..1ec196c
--- /dev/null
+++ b/public/assets/js/share.js
@@ -0,0 +1,40 @@
+(function () {
+    'use strict';
+
+    var bar = document.getElementById('share-bar');
+    if (!bar) { return; }
+
+    var url   = bar.getAttribute('data-url')   || window.location.href;
+    var title = bar.getAttribute('data-title')  || document.title;
+
+    var copyBtn = document.getElementById('share-copy');
+    if (copyBtn) {
+        copyBtn.addEventListener('click', function () {
+            if (!navigator.clipboard) {
+                var ta = document.createElement('textarea');
+                ta.value = url;
+                document.body.appendChild(ta);
+                ta.select();
+                document.execCommand('copy');
+                document.body.removeChild(ta);
+                copyBtn.textContent = 'Copié !';
+                setTimeout(function () { copyBtn.textContent = 'Copier le lien'; }, 2000);
+                return;
+            }
+            navigator.clipboard.writeText(url).then(function () {
+                copyBtn.textContent = 'Copié !';
+                setTimeout(function () { copyBtn.textContent = 'Copier le lien'; }, 2000);
+            });
+        });
+    }
+
+    var nativeBtn = document.getElementById('share-native');
+    if (nativeBtn) {
+        if (navigator.share) {
+            nativeBtn.hidden = false;
+            nativeBtn.addEventListener('click', function () {
+                navigator.share({ title: title, url: url }).catch(function () {});
+            });
+        }
+    }
+}());
diff --git a/public/version.txt b/public/version.txt
index e55f803..c45801e 100644
--- a/public/version.txt
+++ b/public/version.txt
@@ -1 +1 @@
-1.6.19
+1.6.20
diff --git a/src/ArticleManager.php b/src/ArticleManager.php
index 9946ab9..405fd11 100644
--- a/src/ArticleManager.php
+++ b/src/ArticleManager.php
@@ -1197,7 +1197,16 @@ class ArticleManager
             $size = filesize($uploadedFile['tmp_name']);
             $name = "{$hash}-{$size}.{$ext}";
             $dest = $dir . '/' . $name;
-            if (!rename($uploadedFile['tmp_name'], $dest) && !move_uploaded_file($uploadedFile['tmp_name'], $dest)) {
+            // Déduplication : si ce fichier identique existe déjà dans un autre article, crée un hardlink
+            if (!file_exists($dest)) {
+                $existing = glob($this->dataDir . '/*/files/' . $name);
+                if (!empty($existing) && is_file($existing[0])) {
+                    link($existing[0], $dest) || copy($existing[0], $dest);
+                    @unlink($uploadedFile['tmp_name']);
+                    return $name;
+                }
+            }
+            if (!file_exists($dest) && !rename($uploadedFile['tmp_name'], $dest) && !move_uploaded_file($uploadedFile['tmp_name'], $dest)) {
                 return null;
             }
             return $name;
diff --git a/templates/layout.php b/templates/layout.php
index 23abc9c..b50cc95 100644
--- a/templates/layout.php
+++ b/templates/layout.php
@@ -163,6 +163,9 @@ $_layoutCurrentCat = trim($_GET['cat'] ?? '');
 <?php if (isset($reactionStats)): ?>
 <script src="<?= _av($_pub, 'js/reactions.js') ?>"></script>
 <?php endif; ?>
+<?php if (!empty($shareBar ?? false)): ?>
+<script src="<?= _av($_pub, 'js/share.js') ?>" defer></script>
+<?php endif; ?>
 
 </body>
 </html>
diff --git a/templates/post_view.php b/templates/post_view.php
index 1f9ae0b..a90214a 100644
--- a/templates/post_view.php
+++ b/templates/post_view.php
@@ -261,6 +261,28 @@ $hasSources     = (!empty($externalLinks) || !empty($files))
     </div>
 </div>
 
+<?php if ($article['published'] ?? false): ?>
+<?php
+$_shareUrl   = rtrim(defined('APP_URL') ? APP_URL : '', '/') . '/post/' . rawurlencode($article['slug'] ?? '');
+$_shareTitle = $article['title'] ?? '';
+?>
+<div class="d-flex flex-wrap align-items-center gap-2 my-3 py-2 border-top"
+     id="share-bar"
+     data-url="<?= htmlspecialchars($_shareUrl) ?>"
+     data-title="<?= htmlspecialchars($_shareTitle) ?>">
+    <span class="text-muted small me-1">Partager :</span>
+    <a href="mailto:?subject=<?= rawurlencode($_shareTitle) ?>&amp;body=<?= rawurlencode($_shareUrl) ?>"
+       class="btn btn-outline-secondary btn-sm" title="Par e-mail">✉ Mail</a>
+    <a href="https://x.com/intent/tweet?text=<?= rawurlencode($_shareTitle) ?>&amp;url=<?= rawurlencode($_shareUrl) ?>"
+       class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer" title="X / Twitter">X</a>
+    <a href="https://www.linkedin.com/sharing/share-offsite/?url=<?= rawurlencode($_shareUrl) ?>"
+       class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer" title="LinkedIn">in</a>
+    <a href="https://mastodon.social/share?text=<?= rawurlencode($_shareTitle . ' ' . $_shareUrl) ?>"
+       class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer" title="Mastodon">🐘</a>
+    <button type="button" class="btn btn-outline-secondary btn-sm" id="share-copy">Copier le lien</button>
+    <button type="button" class="btn btn-outline-primary btn-sm" id="share-native" hidden>⬆ Partager</button>
+</div>
+<?php endif; ?>
 
 <?php include __DIR__ . '/comments_section.php'; ?>
 
@@ -397,6 +419,7 @@ $hasSources     = (!empty($externalLinks) || !empty($files))
 
 <?php
 $content            = ob_get_clean();
+$shareBar           = (bool)($article['published'] ?? false);
 $title              = htmlspecialchars($article['title']);
 $seoTitle           = ($article['seo_title'] ?? '') ?: $article['title'];
 $ogType             = 'article';