From 236bc56f03963e67e7f8f86cc50980fca4af245f Mon Sep 17 00:00:00 2001
From: Chris Tsang <tyt2y7@gmail.com>
Date: Sat, 11 Sep 2021 15:45:05 +0800
Subject: [PATCH] Persist posts_per_page across pages

---
 examples/rocket_example/src/main.rs               | 3 ++-
 examples/rocket_example/templates/index.html.tera | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/examples/rocket_example/src/main.rs b/examples/rocket_example/src/main.rs
index d1f23244..1a275200 100644
--- a/examples/rocket_example/src/main.rs
+++ b/examples/rocket_example/src/main.rs
@@ -26,7 +26,7 @@ type Result<T, E = rocket::response::Debug<sqlx::Error>> = std::result::Result<T
 mod post;
 pub use post::Entity as Post;
 
-const DEFAULT_POSTS_PER_PAGE: usize = 25;
+const DEFAULT_POSTS_PER_PAGE: usize = 5;
 
 #[get("/new")]
 fn new() -> Template {
@@ -97,6 +97,7 @@ async fn list(
             posts: posts,
             flash: flash,
             page: page,
+            posts_per_page: posts_per_page,
             num_pages: num_pages,
         },
     )
diff --git a/examples/rocket_example/templates/index.html.tera b/examples/rocket_example/templates/index.html.tera
index 0dc60fb9..0cba1b7d 100644
--- a/examples/rocket_example/templates/index.html.tera
+++ b/examples/rocket_example/templates/index.html.tera
@@ -27,9 +27,9 @@
       <td></td>
       <td>
         {% if page == 0 %} Previous {% else %}
-        <a href="/?page={{ page - 1 }}">Previous</a>
+        <a href="/?page={{ page - 1 }}&posts_per_page={{ posts_per_page }}">Previous</a>
         {% endif %} | {% if page == num_pages - 1 %} Next {% else %}
-        <a href="/?page={{ page + 1 }}">Next</a>
+        <a href="/?page={{ page + 1 }}&posts_per_page={{ posts_per_page }}">Next</a>
         {% endif %}
       </td>
       <td></td>