From ff4248b09e1bcd48bb6346df123d5de68cf20e8d Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 3 Nov 2023 08:33:35 +0300
Subject: [PATCH] add wip UI/backend stuff to filter feed tree

---
 classes/Pref_Feeds.php | 13 +++-------
 index.php              |  1 +
 js/App.js              |  3 +++
 js/Feeds.js            | 55 +++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 62 insertions(+), 10 deletions(-)

diff --git a/classes/Pref_Feeds.php b/classes/Pref_Feeds.php
index 60da4f18c..36c9bcbc5 100644
--- a/classes/Pref_Feeds.php
+++ b/classes/Pref_Feeds.php
@@ -39,12 +39,7 @@ class Pref_Feeds extends Handler_Protected {
 	/**
 	 * @return array<int, array<string, bool|int|string>>
 	 */
-	private function get_category_items(int $cat_id): array {
-
-		if (clean($_REQUEST['mode'] ?? 0) != 2)
-			$search = $_SESSION["prefs_feed_search"] ?? "";
-		else
-			$search = "";
+	private function get_category_items(int $cat_id, string $search): array {
 
 		// first one is set by API
 		$show_empty_cats = self::_param_to_bool($_REQUEST['force_show_empty'] ?? false) ||
@@ -64,7 +59,7 @@ class Pref_Feeds extends Handler_Protected {
 				'id' => 'CAT:' . $feed_category->id,
 				'bare_id' => (int)$feed_category->id,
 				'name' => $feed_category->title,
-				'items' => $this->get_category_items($feed_category->id),
+				'items' => $this->get_category_items($feed_category->id, $search),
 				'checkbox' => false,
 				'type' => 'category',
 				'unread' => -1,
@@ -121,7 +116,7 @@ class Pref_Feeds extends Handler_Protected {
 		if (clean($_REQUEST['mode'] ?? 0) != 2)
 			$search = $_SESSION["prefs_feed_search"] ?? "";
 		else
-			$search = "";
+			$search = $_REQUEST['search'] ?? '';
 
 		$root = array();
 		$root['id'] = 'root';
@@ -226,7 +221,7 @@ class Pref_Feeds extends Handler_Protected {
 					'bare_id' => (int) $feed_category->id,
 					'auxcounter' => -1,
 					'name' => $feed_category->title,
-					'items' => $this->get_category_items($feed_category->id),
+					'items' => $this->get_category_items($feed_category->id, $search),
 					'checkbox' => false,
 					'type' => 'category',
 					'unread' => -1,
diff --git a/index.php b/index.php
index b7c039d7a..e9f85264e 100644
--- a/index.php
+++ b/index.php
@@ -263,6 +263,7 @@
 
                         <div dojoType="dijit.MenuItem" onclick="App.onActionSelected('qmcPrefs')"><?= __('Preferences...') ?></div>
                         <div dojoType="dijit.MenuItem" onclick="App.onActionSelected('qmcSearch')"><?= __('Search...') ?></div>
+                        <div dojoType="dijit.MenuItem" onclick="App.onActionSelected('qmcFilterFeeds')"><?= __('Search feeds...') ?></div>
                         <div dojoType="dijit.MenuItem" disabled="1"><?= __('Feed actions:') ?></div>
                         <div dojoType="dijit.MenuItem" onclick="App.onActionSelected('qmcAddFeed')"><?= __('Subscribe to feed...') ?></div>
                         <div dojoType="dijit.MenuItem" onclick="App.onActionSelected('qmcEditFeed')"><?= __('Edit this feed...') ?></div>
diff --git a/js/App.js b/js/App.js
index 9d3f6a47d..de653e306 100644
--- a/js/App.js
+++ b/js/App.js
@@ -1270,6 +1270,9 @@ const App = {
          case "qmcSearch":
             Feeds.search();
             break;
+         case "qmcFilterFeeds":
+            Feeds.filter();
+            break;
          case "qmcAddFeed":
             CommonDialogs.subscribeToFeed();
             break;
diff --git a/js/Feeds.js b/js/Feeds.js
index a6eecaf81..2cc5586b3 100644
--- a/js/Feeds.js
+++ b/js/Feeds.js
@@ -23,6 +23,7 @@ const	Feeds = {
 	infscroll_in_progress: 0,
 	infscroll_disabled: 0,
 	_infscroll_timeout: false,
+	_filter_query: false, // TODO: figure out the UI for this
 	_search_query: false,
 	last_search_query: [],
 	_viewfeed_wait_timeout: false,
@@ -154,6 +155,10 @@ const	Feeds = {
 	toggle: function() {
 		Element.toggle("feeds-holder");
 	},
+	cancelFilter: function() {
+		this._filter_query = "";
+		this.reload();
+	},
 	cancelSearch: function() {
 		this._search_query = "";
 		this.reloadCurrent();
@@ -178,8 +183,14 @@ const	Feeds = {
 				dijit.byId("feedTree").destroyRecursive();
 			}
 
+			let query = {op: 'Pref_Feeds', method: 'getfeedtree', mode: 2};
+
+			if (this._filter_query) {
+				query = Object.assign(query, this._filter_query);
+			}
+
 			const store = new dojo.data.ItemFileWriteStore({
-				url: "backend.php?op=Pref_Feeds&method=getfeedtree&mode=2"
+				url: "backend.php?" + dojo.objectToQuery(query)
 			});
 
 			// noinspection JSUnresolvedFunction
@@ -682,6 +693,48 @@ const	Feeds = {
 						}
 					});
 
+	},
+	filter: function() {
+		const dialog = new fox.SingleUseDialog({
+			content: `
+				<form onsubmit='return false'>
+					<section>
+						<fieldset>
+							<input dojoType='dijit.form.ValidationTextBox' id='filter_query'
+								style='font-size : 16px; width : 540px;'
+								placeHolder="${__("Show feeds matching...")}"
+								name='search' type='search' value=''>
+						</fieldset>
+					</section>
+
+					<footer>
+						${App.FormFields.submit_tag(App.FormFields.icon("search") + " " + __('Search'), {onclick: "App.dialogOf(this).execute()"})}
+						${App.FormFields.cancel_dialog_tag(__('Cancel'))}
+					</footer>
+				</form>
+			`,
+			title: __("Search feeds"),
+			execute: function () {
+				if (this.validate()) {
+					Feeds._filter_query = this.attr('value');
+
+					this.hide();
+					Feeds.reload();
+				}
+			},
+		});
+
+		const tmph = dojo.connect(dialog, 'onShow', function () {
+			dojo.disconnect(tmph);
+
+			if (Feeds._filter_query && Feeds._filter_query.search) {
+				dijit.byId('filter_query')
+					.attr('value', Feeds._filter_query.search);
+			}
+		});
+
+		dialog.show();
+
 	},
 	updateRandom: function() {
 		console.log("in update_random_feed");