From: Ben Sherratt <redacted>
Date: Sun, 17 Mar 2024 21:58:18 +0000 (+0000)
Subject: Basic support for pagination
X-Git-Url: https://git.bts.cx/cx.git/commitdiff_plain/refs/heads/mainline

Basic support for pagination
---

diff --git a/cx/cx.php b/cx/cx.php
index a47714b..2c71761 100644
--- a/cx/cx.php
+++ b/cx/cx.php
@@ -66,6 +66,7 @@ function cx_route($path) {
 
 	if (count($path_components) == 0) {
 		$template = 'list';
+		$template_variables['page_number'] = 0;
 	} else if (count($path_components) >= 1 && $path_components[0] == 'feed') {
 		header('Content-type: application/atom+xml;');
 		$template = 'atom';
@@ -162,6 +163,11 @@ function cx_route($path) {
 				}
 			}
 		}
+	} else if (count($path_components) >= 2 && $path_components[0] == 'page') { // FIXME sometime, needs more flexibility...
+		$page_number = $path_components[1];
+
+		$template = 'list';
+		$template_variables['page_number'] = $page_number;
 	} else if (count($path_components) >= 3) { // FIXME sometime, needs more flexibility...
 		$year = $path_components[0];
 		$month = $path_components[1];
diff --git a/cx/lib/posts.php b/cx/lib/posts.php
index 988d00e..7b13166 100644
--- a/cx/lib/posts.php
+++ b/cx/lib/posts.php
@@ -127,7 +127,7 @@ function cx_posts_delete_post($post_id) {
 	cx_db_exec($sql, $post_id);
 }
 
-function cx_posts_get(int $limit = 0, bool $include_drafts = false) {
+function cx_posts_get(int $limit = 0, int $offset = 0, bool $include_drafts = false) {
 	$sql = 'SELECT
 		post_id,
 		post_slug,
@@ -147,6 +147,10 @@ function cx_posts_get(int $limit = 0, bool $include_drafts = false) {
 	if ($limit > 0) {
 		$sql .= ' LIMIT ' . $limit;
 	}
+	
+	if ($offset > 0) {
+		$sql .= ' OFFSET ' . $offset;
+	}
 
 	$sql .= ';';
 
diff --git a/cx/lib/site.php b/cx/lib/site.php
index 4a80b60..c705060 100644
--- a/cx/lib/site.php
+++ b/cx/lib/site.php
@@ -55,6 +55,10 @@ function cx_site_url() {
 	return $details['site_url'];
 }
 
+function cx_site_posts_per_page() {
+	return 5;
+}
+
 cx_setup_register(1, function() {
 	cx_db_exec('CREATE TABLE sites (
 			site_id INTEGER PRIMARY KEY,
diff --git a/cx/templates/public/list.php b/cx/templates/public/list.php
index 3b4cee2..072cbb4 100644
--- a/cx/templates/public/list.php
+++ b/cx/templates/public/list.php
@@ -1,6 +1,7 @@
 <?php cx_template_base('base'); ?>
 <main>
-<?php foreach (cx_posts_get() as $post): ?>
+<?php $posts_per_page = cx_site_posts_per_page(); ?>
+<?php foreach (cx_posts_get(limit: $posts_per_page, offset: $page_number * cx_site_posts_per_page()) as $post): ?>
 <?php $post_permalink = '/' . date('Y', $post->date) . '/' . date('m', $post->date) . '/' . $post->slug; ?>
 	<article>
 		<h1><a href="<?= cx_url($post_permalink) ?>"><?= $post->title ?></a></h1>
@@ -13,4 +14,6 @@
 		<?php endif; ?>
 	</article>
 <?php endforeach; ?>
+
+	<p><a href="<?= cx_url('/page/' . ($page_number + 1) . '/') ?>">Next Posts</a></p>
 </main>