add user rss/atom feeds

7 files changed, 145 insertions, 10 deletions

diff --git a/templates/actor_atom.php b/templates/actor_atom.php
new file mode 100644
index 0000000..8bd40fb
--- /dev/null
+++ b/templates/actor_atom.php
@@ -0,0 +1,51 @@
+<?php
+/** @var \Digitigrade\Model\Actor $actor */
+/** @var string $lang */
+
+use Digitigrade\GlobalSettings;
+use Digitigrade\Model\Note;
+use Digitigrade\Model\NotePrivacyScope;
+
+$selfUri = path_to_uri("/actor/$actor->id/feed/$lang/feed.atom");
+$actorPage = path_to_uri("/@/$actor->handle");
+
+echo '<?xml version="1.0" encoding="utf-8"?>';
+?>
+<feed xmlns="http://www.w3.org/2005/Atom">
+    <id><?= $selfUri ?></id>
+    <title>
+        <?= htmlspecialchars($actor->displayName) ?> — <?= GlobalSettings::getInstance()->get('instance.name') ?>
+    </title>
+    <updated><?= Note::findAllWithAuthor($actor, 1)[0]->created->format(DateTime::ATOM) ?></updated>
+    <author>
+        <name><?= htmlspecialchars($actor->displayName) ?></name>
+        <uri><?= $actorPage ?></uri>
+    </author>
+    <link rel="self" href="<?= $selfUri ?>" />
+    <link rel="alternate" type="text/html" href="<?= $actorPage ?>" />
+    <generator version="<?= get_version() ?>">Digitigrade</generator>
+    <?php if (isset($actor->avatar)): ?>
+        <icon><?= $actor->avatar ?></icon>
+    <?php endif; ?>
+    <subtitle><?= __f('user.rss.description', $actor->displayName) ?></subtitle>
+
+    <?php foreach (Note::findAllWithAuthor($actor, limit: 50) as $note): ?>
+        <?php
+        /** @var Note $note */
+        if ($note->privacy->scope != NotePrivacyScope::PUBLIC || $note->inReplyTo != null) {
+            continue;
+        }
+        ?>
+        <entry>
+            <id><?= path_to_uri("/note/$note->id") ?></id>
+            <title><![CDATA[<?= htmlspecialchars(substr($note->plainContent, 0, 50), double_encode: false) ?>]]></title>
+            <updated><?= ($note->modified ?? $note->created)->format(DateTime::ATOM) ?></updated>
+            <link rel="alternate" type="text/html" href="<?= path_to_uri("/@/$actor->handle/note/$note->id") ?>" />
+            <content type="html"><![CDATA[<?= $note->getBestContentAsHtml() ?>]]></content>
+            <?php foreach ($note->attachments as $file): ?>
+                <link rel="enclosure" title="<?= htmlspecialchars($file->description) ?>" type="<?= $file->type ?>"
+                    href="<?= $file->href ?>" />
+            <?php endforeach; ?>
+        </entry>
+    <?php endforeach; ?>
+</feed>
\ No newline at end of file
diff --git a/templates/actor_profile.php b/templates/actor_profile.php
index ca19978..dfb0174 100644
--- a/templates/actor_profile.php
+++ b/templates/actor_profile.php
@@ -1,7 +1,9 @@
 <?php
 use Digitigrade\Model\UserAccount;
+use Digitigrade\UserSettings;
 
 $user = UserAccount::findByCurrentSession();
+$actorUser = UserAccount::findByLinkedActor($actor);
 ?>
 <div class="fullProfile">
     <div class="basicInfo">
@@ -23,11 +25,7 @@ $user = UserAccount::findByCurrentSession();
         </div>
 
         <div class="profileMiniActions">
-            <?php call_template('menu_button', [], function () {
-                global $actor;
-                // i don't know why but `global $user` just straight up doesnt work?
-                $user = UserAccount::findByCurrentSession();
-                ?>
+            <?php call_template('menu_button', [], function () use ($actor, $user, $actorUser) { ?>
                 <?php if (!$actor->isLocal && isset($actor->homepage)): ?>
                     <li>
                         <a href="<?= $actor->homepage ?>" target="_blank">
@@ -36,6 +34,21 @@ $user = UserAccount::findByCurrentSession();
                         </a>
                     </li>
                 <?php endif; ?>
+                <?php if ($actorUser != null && (new UserSettings($actorUser))->getBool('profile.rssEnabled')): ?>
+                    <?php $lang = get_ui_language(); ?>
+                    <li>
+                        <a href="<?= "/actor/$actor->id/feed/$lang/feed.rss" ?>" target="_blank" type="application/rss+xml">
+                            <span class="material-symbols rss-feed"></span>
+                            <span><?= __('user.profile.feed.rss') ?></span>
+                        </a>
+                    </li>
+                    <li>
+                        <a href="<?= "/actor/$actor->id/feed/$lang/feed.atom" ?>" target="_blank" type="application/atom+xml">
+                            <span class="material-symbols orbit-outline"></span>
+                            <span><?= __('user.profile.feed.atom') ?></span>
+                        </a>
+                    </li>
+                <?php endif; ?>
                 <?php if ($user != null && $user->actor != $actor): ?>
                     <li><?php call_template('actor_profile_block_button', ['user' => $user, 'actor' => $actor]) ?></li>
                 <?php endif; ?>
diff --git a/templates/actor_profile_page.php b/templates/actor_profile_page.php
index dbeb86a..1b2981d 100644
--- a/templates/actor_profile_page.php
+++ b/templates/actor_profile_page.php
@@ -2,6 +2,10 @@
 
 use Digitigrade\Model\Note;
 use Digitigrade\Model\UserAccount;
+use Digitigrade\UserSettings;
+
+$lang = get_ui_language();
+$actorUser = UserAccount::findByLinkedActor($actor);
 
 call_template('skeleton', [
     'pageTitle' => "$actor->displayName - @" . $actor->getFullHandle(),
@@ -10,9 +14,22 @@ call_template('skeleton', [
     'ogDesc' => $actor->bio,
     'ogImage' => $actor->avatar ?? path_to_uri('/static/default-avatar.png'),
     'ogType' => 'profile',
-    'ogHandle' => '@' . $actor->getFullHandle(true)
-], function () {
-    global $actor;
+    'ogHandle' => '@' . $actor->getFullHandle(true),
+    'headLinks' => ($actorUser != null && (new UserSettings($actorUser))->getBool('profile.rssEnabled')) ? [
+        [
+            'rel' => 'alternate',
+            'type' => 'application/rss+xml',
+            'href' => "/actor/$actor->id/feed/$lang/feed.rss",
+            'title' => __('user.profile.feed.rss')
+        ],
+        [
+            'rel' => 'alternate',
+            'type' => 'application/atom+xml',
+            'href' => "/actor/$actor->id/feed/$lang/feed.atom",
+            'title' => __('user.profile.feed.atom')
+        ]
+    ] : []
+], function () use ($actor) {
     $user = UserAccount::findByCurrentSession();
 
     call_template('actor_profile', ['actor' => $actor]);
diff --git a/templates/actor_rss.php b/templates/actor_rss.php
new file mode 100644
index 0000000..03fc4f5
--- /dev/null
+++ b/templates/actor_rss.php
@@ -0,0 +1,46 @@
+<?php
+/** @var \Digitigrade\Model\Actor $actor */
+/** @var string $lang */
+
+use Digitigrade\GlobalSettings;
+use Digitigrade\Model\Note;
+use Digitigrade\Model\NotePrivacyScope;
+
+// putting this here because otherwise my ide yells about "shorthand <?"
+// because it thinks i'm trying to do a php thing instead of xml directive
+echo '<?xml version="1.0" encoding="utf-8"?>';
+?>
+<rss version="2.0">
+    <channel>
+        <title>
+            <?= htmlspecialchars($actor->displayName) ?> — <?= GlobalSettings::getInstance()->get('instance.name') ?>
+        </title>
+        <link><?= path_to_uri("/@/$actor->handle") ?></link>
+        <description><?= __f('user.rss.description', htmlspecialchars($actor->displayName)) ?></description>
+        <language><?= $lang ?></language>
+        <generator><?= __f('version', get_version()) ?></generator>
+        <?php if (isset($actor->avatar)): ?>
+            <image>
+                <url><?= $actor->avatar ?></url>
+            </image>
+        <?php endif; ?>
+        <?php foreach (Note::findAllWithAuthor($actor, limit: 50) as $note): ?>
+            <?php
+            /** @var Note $note */
+            if ($note->privacy->scope != NotePrivacyScope::PUBLIC || $note->inReplyTo != null) {
+                continue;
+            }
+            ?>
+            <item>
+                <link><?= path_to_uri("/@/$actor->handle/note/$note->id") ?></link>
+                <guid><?= path_to_uri("/note/$note->id") ?></guid>
+                <title><![CDATA[<?= htmlspecialchars(substr($note->plainContent, 0, 50), double_encode: false) ?>]]></title>
+                <description><![CDATA[<?= $note->getBestContentAsHtml() ?>]]></description>
+                <pubDate><?= $note->created->format(DateTime::RSS) ?></pubDate>
+                <?php foreach ($note->attachments as $file): ?>
+                    <enclosure url="<?= $file->href ?>" type="<?= $file->type ?>" size="-1" /><!-- size unknown sorry :( -->
+                <?php endforeach; ?>
+            </item>
+        <?php endforeach; ?>
+    </channel>
+</rss>
\ No newline at end of file
diff --git a/templates/note.php b/templates/note.php
index 6835a0f..94edf2b 100644
--- a/templates/note.php
+++ b/templates/note.php
@@ -1,4 +1,6 @@
 <?php
+/** @var \Digitigrade\Model\Note $note */
+
 use Digitigrade\Model\Actor;
 use Digitigrade\Model\InteractionKind;
 use Digitigrade\Model\NotePrivacyScope;
@@ -79,7 +81,7 @@ $pathToSelf = '/@/' . $note->author->getFullHandle() . '/note/' . $note->id;
             <details>
                 <summary><?= htmlspecialchars($note->summary) ?></summary>
             <?php endif; ?>
-            <div class="content">
+            <div class="content" lang="<?= $note->language ?>">
                 <?= $note->getBestContentAsHtml() ?>
             </div>
 
diff --git a/templates/preferences_form.php b/templates/preferences_form.php
index 33418f6..d1694eb 100644
--- a/templates/preferences_form.php
+++ b/templates/preferences_form.php
@@ -22,6 +22,7 @@ function _user_pref(string $id, mixed $value, string $type) {
     _user_pref('requestToFollow', $user->actor->requestToFollow, 'boolean');
     _user_pref('smallIndicators', $settings->getBool('interface.smallUnreadIndicators'), 'boolean');
     _user_pref('timezone', $settings->get('locale.timezone'), 'timezone');
+    _user_pref('rssEnabled', $settings->getBool('profile.rssEnabled'), 'boolean');
     ?>
 
     <div class="row">
diff --git a/templates/skeleton.php b/templates/skeleton.php
index 7f40611..5848054 100644
--- a/templates/skeleton.php
+++ b/templates/skeleton.php
@@ -7,7 +7,7 @@ $user = UserAccount::findByCurrentSession();
 $settings = GlobalSettings::getInstance();
 ?>
 <!DOCTYPE html>
-<html lang="en">
+<html lang="<?= get_ui_language() ?>">
 
 <head>
     <title><?= $pageTitle ?> &mdash; <?= $settings->get('instance.name') ?></title>
@@ -29,6 +29,11 @@ $settings = GlobalSettings::getInstance();
     <?php if (isset($ogHandle)): ?>
         <meta name="fediverse:creator" content="<?= $ogHandle ?>">
     <?php endif; ?>
+    <!-- any custom links e.g. rss/atom feeds -->
+    <?php foreach (($headLinks ?? []) as $link): ?>
+        <link rel="<?= $link['rel'] ?>" type="<?= $link['type'] ?? '' ?>" href="<?= $link['href'] ?>"
+            title="<?= $link['title'] ?? '' ?>">
+    <?php endforeach; ?>
     <!-- other page resources -->
     <?php call_template('head_tags'); ?>
 </head>