feat(tags): this adds support for post, link, book, show and movie tags with a tag list view and per tag pages

src/includes/blocks/tags.liquid

@@ -0,0 +1,7 @@
+{% if tags %}
+  <div class="tags">
+   {%- for tag in tags -%}
+    <a href="/tags/{{ tag | downcase | url_encode }}">#{{ tag | downcase }}</a>
+   {%- endfor -%}
+</div>
+{% endif %}

src/includes/fetchers/tags.php.liquid

@@ -0,0 +1,109 @@
+<?php
+require __DIR__ . "/../vendor/autoload.php";
+require __DIR__ . "/../server/utils/init.php";
+
+use GuzzleHttp\Client;
+use voku\helper\HtmlMin;
+
+$requestUri = $_SERVER["REQUEST_URI"];
+$url = trim(parse_url($requestUri, PHP_URL_PATH), "/");
+$postgrestUrl = $_ENV["POSTGREST_URL"] ?? getenv("POSTGREST_URL");
+$postgrestApiKey = $_ENV["POSTGREST_API_KEY"] ?? getenv("POSTGREST_API_KEY");
+
+if ($url === "tags") {
+  readfile("index.html");
+  exit();
+}
+
+if (!preg_match('/^tags\/(.+?)(?:\/(\d+))?$/', $url, $matches)) {
+  echo file_get_contents(__DIR__ . "/../404/index.html");
+  exit();
+}
+
+if (isset($matches[2]) && (int)$matches[2] === 1) {
+  header("Location: /tags/{$matches[1]}", true, 301);
+  exit();
+}
+
+$tag = strtolower(urldecode($matches[1]));
+
+if (!preg_match('/^[\p{L}\p{N} _\-]+$/u', $tag)) {
+  http_response_code(400);
+  echo "Invalid tag";
+  exit();
+}
+
+$pageParam = isset($matches[2]) ? (int)$matches[2] : 0;
+$page = max($pageParam, 1);
+$pageSize = 20;
+$offset = ($page - 1) * $pageSize;
+
+$cacheKey = "tag_{$tag}_{$page}";
+$useRedis = false;
+$tagged = null;
+
+try {
+  if (extension_loaded('redis')) {
+    $redis = new Redis();
+    $redis->connect('127.0.0.1', 6379);
+    $useRedis = true;
+  }
+} catch (Exception $e) {
+  error_log("Redis not available: " . $e->getMessage());
+}
+
+if ($useRedis && $redis->exists($cacheKey)) {
+  $tagged = json_decode($redis->get($cacheKey), true);
+} else {
+  $client = new Client();
+  try {
+    $response = $client->post($postgrestUrl . '/rpc/get_tagged_content', [
+      'headers' => [
+        'Content-Type' => 'application/json',
+        'Authorization' => "Bearer {$postgrestApiKey}",
+      ],
+      'json' => [
+        'tag_query' => $tag,
+        'page_size' => $pageSize,
+        'page_offset' => $offset
+      ]
+    ]);
+
+    $tagged = json_decode($response->getBody(), true);
+    if ($useRedis) {
+      $redis->setex($cacheKey, 3600, json_encode($tagged));
+    }
+  } catch (Exception $e) {
+    error_log($e->getMessage());
+    echo file_get_contents(__DIR__ . '/../404/index.html');
+    exit();
+  }
+}
+
+if (!$tagged || count($tagged) === 0) {
+  echo file_get_contents(__DIR__ . '/../404/index.html');
+  exit();
+}
+
+$totalCount = $tagged[0]['total_count'] ?? 0;
+$totalPages = max(ceil($totalCount / $pageSize), 1);
+$pagination = [
+  'pageNumber' => $page,
+  'pages' => range(1, $totalPages),
+  'href' => [
+    'previous' => $page > 1 ? "/tags/{$tag}/" . ($page - 1) : null,
+    'next' => $page < $totalPages ? "/tags/{$tag}/" . ($page + 1) : null
+  ],
+  'links' => range(1, $totalPages)
+];
+
+$pageTitle = "#" . strtolower(ucfirst($tag)) . "";
+$pageDescription = "All content tagged with #" . strtolower(ucfirst($tag)) . ".";
+$fullUrl = "https://www.coryd.dev" . $requestUri;
+
+ob_start();
+
+header("Cache-Control: public, max-age=3600");
+header("Expires: " . gmdate("D, d M Y H:i:s", time() + 3600) . " GMT");
+
+?>

src/includes/home/recent-activity.liquid

@@ -13,11 +13,11 @@
           {{ item.content_date | date:"%B %e, %Y" }}
         </time>
          • {{ item.label }}
-        <span class="client-side">
+         <span class="client-side">
           {%- if item.notes -%}
             {% assign notes = item.notes | prepend: "### Notes\n" | markdown %}
-             • {% render "blocks/dialog.liquid",
-              label:"Notes",
+            {% render "blocks/dialog.liquid",
+              icon:"info-circle",
               content:notes,
               id:item.content_date
             %}
@@ -54,6 +54,9 @@
           {%- endif -%}
         {%- endif -%}
       </h3>
+      {% render "blocks/tags.liquid",
+ 18      tags:item.tags
+ 19    %}
     </article>
     {%- endfor -%}
 </article>

src/includes/metadata/dynamic.php.liquid

@@ -5,3 +5,11 @@
 <meta property="og:image" content="<?= htmlspecialchars("{{ globals.cdn_url }}" . ($ogImage ?? '{{ ogImage }}'), ENT_QUOTES, 'UTF-8') ?>" />
 <meta property="og:url" content="<?= htmlspecialchars($fullUrl ?? '{{ fullUrl }}', ENT_QUOTES, 'UTF-8') ?>" />
 <link rel="canonical" href="<?= htmlspecialchars($fullUrl ?? '{{ fullUrl }}', ENT_QUOTES, 'UTF-8') ?>" />
+<?php if (!empty($pagination)): ?>
+  <?php if ($pagination['href']['next']): ?>
+    <link rel="next" href="<?= $pagination['href']['next'] ?>">
+  <?php endif; ?>
+  <?php if ($pagination['href']['previous']): ?>
+    <link rel="prev" href="<?= $pagination['href']['previous'] ?>">
+  <?php endif; ?>
+<?php endif; ?>

src/includes/metadata/index.liquid

@@ -29,6 +29,8 @@
     {% render "fetchers/movie.php.liquid" %}
   {%- when 'show' -%}
     {% render "fetchers/show.php.liquid" %}
+  {%- when 'tags' -%}
+    {% render "fetchers/tags.php.liquid" %}
   {%- when 'blog' -%}
     {%- assign pageTitle = post.title -%}
     {%- assign pageDescription = post.description -%}