From 509c8cae6381ec46af7c8303eb92fda6ce496a4a Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Mon, 4 Jul 2022 09:53:26 +0200
Subject: Dynamic OPML (#4407)
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* Dynamic OPML draft
#fix https://github.com/FreshRSS/FreshRSS/issues/4191

* Export dynamic OPML
http://opml.org/spec2.opml#1629043127000

* Restart with simpler approach

* Minor revert

* Export dynamic OPML also for single feeds

* Special category type for importing dynamic OPML

* Parameter for excludeMutedFeeds

* Details

* More draft

* i18n

* Fix update

* Draft manual import working

* Working manual refresh

* Draft automatic update

* Working Web refresh + fixes

* Import/export dynamic OPML settings

* Annoying numerous lines in SQL logs

* Fix minor JavaScript error

* Fix auto adding new columns

* Add require

* Add missing 🗲

* Missing space

* Disable adding new feeds to dynamic categories

* Link from import

* i18n typo

* Improve theme icon function

* Fix pink-dark
---
 app/views/helpers/export/opml.phtml | 55 +++++++++++++++++++++++++------------
 1 file changed, 38 insertions(+), 17 deletions(-)

(limited to 'app/views/helpers/export')

diff --git a/app/views/helpers/export/opml.phtml b/app/views/helpers/export/opml.phtml
index 64c02c302..f99754138 100644
--- a/app/views/helpers/export/opml.phtml
+++ b/app/views/helpers/export/opml.phtml
@@ -1,21 +1,14 @@
 <?php
-/** @var FreshRSS_View $this */
 
-$opml_array = array(
-	'head' => array(
-		'title' => FreshRSS_Context::$system_conf->title,
-		'dateCreated' => date('D, d M Y H:i:s')
-	),
-	'body' => array()
-);
-
-foreach ($this->categories as $key => $cat) {
-	$opml_array['body'][$key] = array(
-		'text' => htmlspecialchars_decode($cat->name(), ENT_QUOTES),
-		'@outlines' => array()
-	);
-
-	foreach ($cat->feeds() as $feed) {
+/**
+ * @param array<FreshRSS_Feed> $feeds
+ */
+function feedsToOutlines($feeds, $excludeMutedFeeds = false): array {
+	$outlines = [];
+	foreach ($feeds as $feed) {
+		if ($feed->mute() && $excludeMutedFeeds) {
+			continue;
+		}
 		$outline = [
 			'text' => htmlspecialchars_decode($feed->name(), ENT_QUOTES),
 			'type' => FreshRSS_Export_Service::TYPE_RSS_ATOM,
@@ -47,8 +40,36 @@ foreach ($this->categories as $key => $cat) {
 		if ($feed->pathEntries() != '') {
 			$outline['frss:cssFullContent'] = ['namespace' => FreshRSS_Export_Service::FRSS_NAMESPACE, 'value' => $feed->pathEntries()];
 		}
-		$opml_array['body'][$key]['@outlines'][] = $outline;
+		$outlines[] = $outline;
 	}
+	return $outlines;
+}
+
+/** @var FreshRSS_View $this */
+
+$opml_array = array(
+	'head' => array(
+		'title' => FreshRSS_Context::$system_conf->title,
+		'dateCreated' => date('D, d M Y H:i:s')
+	),
+	'body' => array()
+);
+
+if (!empty($this->categories)) {
+	foreach ($this->categories as $key => $cat) {
+		$outline = [
+			'text' => htmlspecialchars_decode($cat->name(), ENT_QUOTES),
+			'@outlines' => feedsToOutlines($cat->feeds(), $this->excludeMutedFeeds),
+		];
+		if ($cat->kind() === FreshRSS_Category::KIND_DYNAMIC_OPML) {
+			$outline['frss:opmlUrl'] = ['namespace' => FreshRSS_Export_Service::FRSS_NAMESPACE, 'value' => $cat->attributes('opml_url')];;
+		}
+		$opml_array['body'][$key] = $outline;
+	}
+}
+
+if (!empty($this->feeds)) {
+	$opml_array['body'][] = feedsToOutlines($this->feeds, $this->excludeMutedFeeds);
 }
 
 echo libopml_render($opml_array);
-- 
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