From 553548b6897f8ef292ab56af9dcc196ef8ee0cb3 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Wed, 24 Feb 2021 15:07:31 +0300
Subject: request label counters conditionally

---
 classes/article.php | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

(limited to 'classes/article.php')

diff --git a/classes/article.php b/classes/article.php
index f77275122..6baf8f068 100755
--- a/classes/article.php
+++ b/classes/article.php
@@ -640,10 +640,41 @@ class Article extends Handler_Protected {
 		return [$article_image, $article_stream, $article_kind];
 	}
 
+	// only cached, returns label ids (not label feed ids)
+	static function _labels_of(array $article_ids) {
+		if (count($article_ids) == 0)
+			return [];
+
+		$id_qmarks = arr_qmarks($article_ids);
+
+		$sth = Db::pdo()->prepare("SELECT DISTINCT label_cache FROM ttrss_entries e, ttrss_user_entries ue
+					WHERE ue.ref_id = e.id AND id IN ($id_qmarks)");
+
+		$sth->execute($article_ids);
+
+		$rv = [];
+
+		while ($row = $sth->fetch()) {
+			$labels = json_decode($row["label_cache"]);
+
+			if (isset($labels) && is_array($labels)) {
+				foreach ($labels as $label) {
+					if (empty($label["no-labels"]))
+						array_push($rv, Labels::feed_to_label_id($label[0]));
+				}
+			}
+		}
+
+		return array_unique($rv);
+	}
+
 	static function _feeds_of(array $article_ids) {
+		if (count($article_ids) == 0)
+			return [];
+
 		$id_qmarks = arr_qmarks($article_ids);
 
-		$sth = DB::pdo()->prepare("SELECT DISTINCT feed_id FROM ttrss_entries e, ttrss_user_entries ue
+		$sth = Db::pdo()->prepare("SELECT DISTINCT feed_id FROM ttrss_entries e, ttrss_user_entries ue
 					WHERE ue.ref_id = e.id AND id IN ($id_qmarks)");
 
 		$sth->execute($article_ids);
-- 
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