show second button in winter

src/tera/mod.rs

@@ -1,6 +1,6 @@
 use std::{fs::OpenOptions, io::Write};
 
-use chrono::Local;
+use chrono::{Datelike, Local};
 use rocket::{
     catch, catchers,
     fairing::{AdHoc, Fairing, Info, Kind},
@@ -63,6 +63,11 @@ async fn index(db: &State<SqlitePool>, user: User, flash: Option<FlashMessage<'_
         context.insert("last_trips", &last_trips);
     }
 
+    let date = chrono::Utc::now();
+    if date.month() <= 3 || date.month() >= 10 {
+        context.insert("show_quick_ergo_button", "yes");
+    }
+
     context.insert("achievements", &Achievements::for_user(db, &user).await);
     context.insert("notifications", &Notification::for_user(db, &user).await);
     context.insert("loggedin_user", &UserWithDetails::from_user(user, db).await);

templates/index.html.tera

@@ -12,6 +12,15 @@
                     <span class="text-xl px-3">Geplante Ausfahrten</span>
                 </a>
             </div>
+	    {% if show_quick_ergo_button %}
+            <div class="m-auto">
+                <a href="/ergo"
+                   class="btn btn-primary flex items-center justify-center">
+                    {% include "includes/rowing-icon" %}
+                    <span class="text-xl px-3">Ergo-Challenge</span>
+                </a>
+            </div>
+	    {% endif %}
             {% if notifications %}
                 <div id="notification"
                      class="bg-white dark:bg-primary-900 text-black dark:text-white rounded-md block shadow mt-5"