From eef3b310e7081c4a636bb29739fb99cb917d4974 Mon Sep 17 00:00:00 2001
From: Joseph Hale <47901316+thehale@users.noreply.github.com>
Date: Tue, 23 May 2023 14:43:25 -0700
Subject: feat(tt-rss): Optionally limit notifications to a Category. (#370)

---
 recipes/tt-rss/README.md    | 38 +++++++++++++++++++++++++++++++++++++-
 recipes/tt-rss/package.json |  2 +-
 recipes/tt-rss/webview.js   | 43 ++++++++++++++++++++++++++++++++++---------
 3 files changed, 72 insertions(+), 11 deletions(-)

(limited to 'recipes')

diff --git a/recipes/tt-rss/README.md b/recipes/tt-rss/README.md
index d0ef122..a4866d4 100644
--- a/recipes/tt-rss/README.md
+++ b/recipes/tt-rss/README.md
@@ -1,3 +1,39 @@
 # Tiny Tiny RSS for Ferdium
 
-Support for [Tiny Tiny RSS](https://tt-rss.org/)
+Interact with [Tiny Tiny RSS](https://tt-rss.org/) inside of Ferdium!
+
+## Usage
+
+1. Search for "RSS" in Ferdium's **Available Services**
+2. Enter the URL of your Tiny Tiny RSS server
+3. Save the service and log in!
+
+## Configuration
+
+### `ferdiumNotificationLabel`
+
+You can limit notifications from Tiny Tiny RSS to new articles in a specific
+Category using the custom `ferdiumNotificationLabel` query parameter as part of
+your server URL.
+
+```
+https://ttrss.example.com/tt-rss/?ferdiumNotificationLabel=CATEGORY_NAME
+```
+
+For example, if I wanted to only see notifications from a Category titled
+`Software - Updates`, I would use one of the following query parameters:
+
+```
+?ferdiumNotificationLabel=Software - Updates
+```
+**OR**
+```
+?ferdiumNotificationLabel=Software%20-%20Updates
+```
+
+The second option is the better/safer approach to take, but the first also works
+because Ferdium will escape the spaces for you (at least as of version 6.2.7).
+
+NOTE: When using the `ferdiumNotificationLabel` configuration, all other unread
+articles in other categories are reported as [**indirect**
+messages](https://github.com/ferdium/ferdium-recipes/blob/main/docs/frontend_api.md#setbadgedirectmessages-indirectmessages).
\ No newline at end of file
diff --git a/recipes/tt-rss/package.json b/recipes/tt-rss/package.json
index 2b3a305..a2fff77 100644
--- a/recipes/tt-rss/package.json
+++ b/recipes/tt-rss/package.json
@@ -1,7 +1,7 @@
 {
   "id": "tt-rss",
   "name": "Tiny Tiny RSS",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "license": "MIT",
   "config": {
     "hasCustomUrl": true
diff --git a/recipes/tt-rss/webview.js b/recipes/tt-rss/webview.js
index 3e3a0d3..7d90615 100644
--- a/recipes/tt-rss/webview.js
+++ b/recipes/tt-rss/webview.js
@@ -1,16 +1,41 @@
 "use strict";
 
 module.exports = Ferdium => {
+  const _notificationCategory = new URL(window.location.href).searchParams.get("ferdiumNotificationCategory");
+  
   const getMessages = function getMessages() {
-    // Initialize empty vars
-    var unread = 0;
-    var match = [];
-    // Extract the number from the title
-    match = document.title.match(/^\((\d+)\) Tiny Tiny RSS$/);
-    // Some logic to handle the match groups
-    unread = match != null && match.length > 0 ? match[1] : 0;
-    // Set unread msgs badge
-    Ferdium.setBadge(Number.parseInt(unread, 10));
+    if (_notificationCategory) {
+      countMessagesUnderCategory(_notificationCategory);
+    } else {
+      countMessages();
+    }
+  };
+
+  const countMessagesUnderCategory = (notificationCategory) => {
+    var elements = document.querySelectorAll(".dijitTreeIsRoot")
+    var directMessages = 0;
+    var indirectMessages = 0;
+    for (var element of elements) {
+      var label = element.querySelectorAll(".dijitTreeLabel")[0];
+      var unreadNode = element.querySelectorAll(".unread")[0];
+      var unreadAmount = Ferdium.safeParseInt(unreadNode.textContent);
+      if (label.textContent === notificationCategory) {
+        directMessages += unreadAmount;
+      } else {
+        indirectMessages += unreadAmount;
+      }
+    }
+    Ferdium.setBadge(directMessages, indirectMessages);
+  };
+
+  const _countMessagesFromTitle = () => {
+    var match = document.title.match(/^\((\d+)\) Tiny Tiny RSS$/);
+    var count = match != null && match.length > 0 ? match[1] : 0;
+    return Ferdium.safeParseInt(count);
+  }
+
+  const countMessages = () => {
+    Ferdium.setBadge(_countMessagesFromTitle());
   };
 
   const loopFunc = () => {
-- 
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