From 9689f2daa6c34e7d24d5cf1648168c66c5678385 Mon Sep 17 00:00:00 2001
From: Arjun Satarkar <me@arjunsatarkar.net>
Date: Sun, 30 Jul 2023 18:17:35 +0530
Subject: Add auto-refresh checkbox, don't auto-refresh except on front page

Also use input type "hidden" instead of display: none where appropriate
(no observable effects, just cleaner).
---
 static/scripts/auto_refresh.js | 24 ++++++++++++++++++++++++
 views/index.tpl                | 23 +++++++++++++++--------
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/static/scripts/auto_refresh.js b/static/scripts/auto_refresh.js
index 20fc5c6..48af816 100644
--- a/static/scripts/auto_refresh.js
+++ b/static/scripts/auto_refresh.js
@@ -1,6 +1,28 @@
 (() => {
+    const onFrontPage = () => {
+        const searchParams = new URLSearchParams(window.location.search);
+        let pageNum = searchParams.get("page_num");
+        return (pageNum === "1") || (pageNum === null);
+    };
+
+    const refreshCheckboxLabel = document.querySelector("label#refresh_checkbox_label");
+    if (onFrontPage()) {
+        refreshCheckboxLabel.setAttribute("style", "");
+    }
+
     const UPDATE_INTERVAL_MILLISECONDS = 1 * 60 * 1000; // 1 minute
     setInterval(async () => {
+        if (!onFrontPage()) {
+            return;
+        }
+
+        const refreshCheckbox = document.querySelector("label#refresh_checkbox_label > input");
+        if (!refreshCheckbox.checked) {
+            return;
+        }
+
+        console.log("Refreshing entries...");
+
         const response = await fetch(window.location);
         if (!response.ok) {
             return;
@@ -10,5 +32,7 @@
         const parser = new DOMParser();
         const newDoc = parser.parseFromString(responseText, "text/html");
         document.querySelector("table").innerHTML = newDoc.querySelector("table").innerHTML;
+
+        console.log("Refreshed entries.");
     }, UPDATE_INTERVAL_MILLISECONDS);
 })();
diff --git a/views/index.tpl b/views/index.tpl
index b00b7d0..67eb413 100644
--- a/views/index.tpl
+++ b/views/index.tpl
@@ -41,6 +41,10 @@
             overflow: auto;
             white-space: nowrap;
         }
+
+        label#refresh_checkbox_label {
+            float: right;
+        }
     </style>
     <script src="/static/scripts/auto_refresh.js" defer></script>
 </head>
@@ -52,6 +56,9 @@
             <a href="/list_feeds" class="no-visited-indication">List feeds</a>
         </p>
     </nav>
+    <label id="refresh_checkbox_label" style="display: none;">Refresh entries periodically
+        <input type="checkbox" checked>
+    </label>
     <details {{"open" if (included_feeds or included_tags) else ""}}>
         <summary>Filter</summary>
         <form>
@@ -68,15 +75,15 @@
             %     input_value=included_tags_str if included_tags_str else ""
             % )
             <input type="submit" value="Filter">
-            <input type="number" value="{{page_num}}" min="1" max="{{total_pages}}" name="page_num" style="display: none;">
-            <input type="number" value="{{per_page}}" min="1" max="{{max_per_page}}" name="per_page" style="display: none;">
+            <input type="hidden" value="{{page_num}}" min="1" max="{{total_pages}}" name="page_num">
+            <input type="hidden" value="{{per_page}}" min="1" max="{{max_per_page}}" name="per_page">
         </form>
         <form>
-            <input type="text" name="included_feeds" value="" style="display: none;">
-            <input type="text" name="included_tags" value="" style="display: none;">
+            <input type="hidden" name="included_feeds" value="">
+            <input type="hidden" name="included_tags" value="">
             <input type="submit" value="Clear filters">
-            <input type="number" value="{{page_num}}" min="1" max="{{total_pages}}" name="page_num" style="display: none;">
-            <input type="number" value="{{per_page}}" min="1" max="{{max_per_page}}" name="per_page" style="display: none;">
+            <input type="hidden" value="{{page_num}}" min="1" max="{{total_pages}}" name="page_num">
+            <input type="hidden" value="{{per_page}}" min="1" max="{{max_per_page}}" name="per_page">
         </form>
     </details>
     <table>
@@ -136,10 +143,10 @@
         </label>
         <input type="submit" value="Go">
         % if included_feeds:
-            <input type="text" name="included_feeds" value="{{included_feeds_str}}" style="display: none;">
+            <input type="hidden" name="included_feeds" value="{{included_feeds_str}}">
         % end
         % if included_tags:
-            <input type="text" name="included_tags" value="{{included_tags_str}}" style="display: none;">
+            <input type="hidden" name="included_tags" value="{{included_tags_str}}">
         % end
     </form>
     % include("footer.tpl")
-- 
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