From c28abc75649c1a00d848a75dcfe77c216b5079f9 Mon Sep 17 00:00:00 2001
From: Michel Roux <xefir@crystalyx.net>
Date: Thu, 18 Jan 2024 13:28:06 +0100
Subject: [PATCH] feat: add export opml

---
 appinfo/routes.php                  |  1 +
 lib/Controller/OpmlController.php   | 75 +++++++++++++++++++++++++++++
 src/components/Sidebar/Settings.vue | 53 ++++++++++++--------
 3 files changed, 109 insertions(+), 20 deletions(-)
 create mode 100644 lib/Controller/OpmlController.php

diff --git a/appinfo/routes.php b/appinfo/routes.php
index daf2f30..7779d0f 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -15,6 +15,7 @@ return [
 		['name' => 'page#index', 'url' => '/', 'verb' => 'GET'],
 		['name' => 'episodes#action', 'url' => '/episodes/action', 'verb' => 'GET'],
 		['name' => 'episodes#list', 'url' => '/episodes/list', 'verb' => 'GET'],
+		['name' => 'opml#export', 'url' => '/opml/export', 'verb' => 'GET'],
 		['name' => 'podcast#index', 'url' => '/podcast', 'verb' => 'GET'],
 		['name' => 'search#index', 'url' => '/search', 'verb' => 'GET'],
 		['name' => 'tops#hot', 'url' => '/tops/hot', 'verb' => 'GET'],
diff --git a/lib/Controller/OpmlController.php b/lib/Controller/OpmlController.php
new file mode 100644
index 0000000..ccb31fe
--- /dev/null
+++ b/lib/Controller/OpmlController.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\RePod\Controller;
+
+use OCA\GPodderSync\Core\PodcastData\PodcastDataReader;
+use OCA\GPodderSync\Core\PodcastData\PodcastMetricsReader;
+use OCA\RePod\AppInfo\Application;
+use OCA\RePod\Service\UserService;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\DataDownloadResponse;
+use OCP\IL10N;
+use OCP\IRequest;
+
+class OpmlController extends Controller
+{
+	public function __construct(
+		IRequest $request,
+		private IL10N $l10n,
+		private PodcastDataReader $podcastDataReader,
+		private PodcastMetricsReader $podcastMetricsReader,
+		private UserService $userService
+	) {
+		parent::__construct(Application::APP_ID, $request);
+	}
+
+	/**
+	 * @NoAdminRequired
+	 * @NoCSRFRequired
+	 */
+	public function export(): DataDownloadResponse {
+		// https://github.com/AntennaPod/AntennaPod/blob/master/core/src/main/java/de/danoeh/antennapod/core/export/opml/OpmlWriter.java
+		$xml = new \SimpleXMLElement('<opml/>', namespaceOrPrefix: 'http://xmlpull.org/v1/doc/features.html#indent-output');
+		$xml->addAttribute('version', '2.0');
+
+		$dateCreated = new \DateTime();
+		$head = $xml->addChild('head');
+
+		if (isset($head)) {
+			$head->addChild('title', $this->l10n->t('RePod Subscriptions'));
+			$head->addChild('dateCreated', $dateCreated->format(\DateTime::RFC822));
+		}
+
+		$body = $xml->addChild('body');
+
+		if (isset($body)) {
+			$subscriptions = $this->podcastMetricsReader->metrics($this->userService->getUserUID());
+
+			foreach ($subscriptions as $subscription) {
+				$podcast = $this->podcastDataReader->getCachedOrFetchPodcastData($subscription->getUrl(), $this->userService->getUserUID());
+
+				if ($podcast) {
+					$outline = $body->addChild('outline');
+
+					if (isset($outline)) {
+						$title = $podcast->getTitle();
+						$link = $podcast->getLink();
+
+						if ($title) {
+							$outline->addAttribute('text', $title);
+							$outline->addAttribute('title', $title);
+						}
+
+						if ($link) {
+							$outline->addAttribute('xmlUrl', $link);
+						}
+					}
+				}
+			}
+		}
+
+		return new DataDownloadResponse((string) $xml->asXML(), 'repod-'.$dateCreated->getTimestamp().'.opml', ' application/xml');
+	}
+}
diff --git a/src/components/Sidebar/Settings.vue b/src/components/Sidebar/Settings.vue
index c053225..e8199bb 100644
--- a/src/components/Sidebar/Settings.vue
+++ b/src/components/Sidebar/Settings.vue
@@ -1,33 +1,46 @@
 <template>
 	<NcAppNavigationSettings>
-		<div class="setting">
-			<label>
+		<NcAppNavigationItem :name="t('repod', 'Playback speed')">
+			<template #icon>
 				<SpeedometerSlow v-if="player.rate < 1" :size="20" />
 				<SpeedometerMedium v-if="player.rate === 1" :size="20" />
 				<Speedometer v-if="player.rate > 1" :size="20" />
-				{{ t('repod', 'Playback speed') }}
-			</label>
-			<div>
-				<Minus class="pointer" :size="20" @click="changeRate(-.5)" />
-				<NcCounterBubble>x{{ player.rate }}</NcCounterBubble>
-				<Plus class="pointer" :size="20" @click="changeRate(.5)" />
-			</div>
-		</div>
+			</template>
+			<template #extra>
+				<div class="extra">
+					<Minus class="pointer" :size="20" @click="changeRate(-.5)" />
+					<NcCounterBubble class="counter">
+						x{{ player.rate }}
+					</NcCounterBubble>
+					<Plus class="pointer" :size="20" @click="changeRate(.5)" />
+				</div>
+			</template>
+		</NcAppNavigationItem>
+		<NcAppNavigationItem :href="generateUrl('/apps/repod/opml/export')"
+			:name="t('repod', 'Export subscriptions')">
+			<template #icon>
+				<Export :size="20" />
+			</template>
+		</NcAppNavigationItem>
 	</NcAppNavigationSettings>
 </template>
 
 <script>
-import { NcAppNavigationSettings, NcCounterBubble } from '@nextcloud/vue'
+import { NcAppNavigationItem, NcAppNavigationSettings, NcCounterBubble } from '@nextcloud/vue'
+import Export from 'vue-material-design-icons/Export.vue'
 import Minus from 'vue-material-design-icons/Minus.vue'
 import Plus from 'vue-material-design-icons/Plus.vue'
 import Speedometer from 'vue-material-design-icons/Speedometer.vue'
 import SpeedometerMedium from 'vue-material-design-icons/SpeedometerMedium.vue'
 import SpeedometerSlow from 'vue-material-design-icons/SpeedometerSlow.vue'
+import { generateUrl } from '@nextcloud/router'
 
 export default {
 	name: 'Settings',
 	components: {
+		Export,
 		Minus,
+		NcAppNavigationItem,
 		NcAppNavigationSettings,
 		NcCounterBubble,
 		Plus,
@@ -41,6 +54,7 @@ export default {
 		},
 	},
 	methods: {
+		generateUrl,
 		changeRate(diff) {
 			if (this.player.rate + diff > 0) {
 				this.$store.dispatch('player/rate', this.player.rate + diff)
@@ -51,18 +65,17 @@ export default {
 </script>
 
 <style scoped>
-	.pointer {
-		cursor: pointer;
+	.counter {
+		height: 20px;
 	}
 
-    .setting {
-        display: flex;
-        justify-content: space-between;
-    }
-
-	.setting > label,
-	.setting > div {
+	.extra {
+		align-items: center;
         display: flex;
         gap: .5rem;
     }
+
+	.pointer {
+		cursor: pointer;
+	}
 </style>