add an option to disable conditional counters

classes/pref/prefs.php

@@ -65,6 +65,7 @@ class Pref_Prefs extends Handler_Protected {
 				'BLOCK_SEPARATOR',
 				Prefs::SSL_CERT_SERIAL,
 				'BLOCK_SEPARATOR',
+				Prefs::DISABLE_CONDITIONAL_COUNTERS,
 				Prefs::HEADLINES_NO_DISTINCT,
 			],
 			__('Debugging') => [
@@ -106,6 +107,7 @@ class Pref_Prefs extends Handler_Protected {
 			Prefs::USER_CSS_THEME => array(__("Theme")),
 			Prefs::HEADLINES_NO_DISTINCT => array(__("Don't enforce DISTINCT headlines"), __("May produce duplicate entries")),
 			Prefs::DEBUG_HEADLINE_IDS => array(__("Show article and feed IDs"), __("In the headlines buffer")),
+			Prefs::DISABLE_CONDITIONAL_COUNTERS => array(__("Disable conditional counter updates"), __("May increase server load")),
 		];
 
 		// hidden in the main prefs UI (use to hide things that have description set above)

classes/prefs.php

@@ -58,6 +58,7 @@ class Prefs {
 	const _PREFS_MIGRATED = "_PREFS_MIGRATED";
 	const HEADLINES_NO_DISTINCT = "HEADLINES_NO_DISTINCT";
 	const DEBUG_HEADLINE_IDS = "DEBUG_HEADLINE_IDS";
+	const DISABLE_CONDITIONAL_COUNTERS = "DISABLE_CONDITIONAL_COUNTERS";
 
 	private const _DEFAULTS = [
 		Prefs::PURGE_OLD_DAYS => [ 60, Config::T_INT ],
@@ -116,6 +117,7 @@ class Prefs {
 		Prefs::_PREFS_MIGRATED => [ false, Config::T_BOOL ],
 		Prefs::HEADLINES_NO_DISTINCT => [ false, Config::T_BOOL ],
 		Prefs::DEBUG_HEADLINE_IDS => [ false, Config::T_BOOL ],
+		Prefs::DISABLE_CONDITIONAL_COUNTERS => [ false, Config::T_BOOL ],
 	];
 
 	const _PROFILE_BLACKLIST = [

classes/rpc.php

@@ -121,7 +121,8 @@ class RPC extends Handler_Protected {
 		else
 			$label_ids = array_map("intval", clean($_REQUEST["label_ids"] ?? []));
 
-		$counters = is_array($feed_ids) ? Counters::get_conditional($feed_ids, $label_ids) : Counters::get_all();
+		$counters = is_array($feed_ids) && !get_pref(Prefs::DISABLE_CONDITIONAL_COUNTERS) ?
+			Counters::get_conditional($feed_ids, $label_ids) : Counters::get_all();
 
 		$reply = [
 			'counters' => $counters,