From eab68e42c2b79c7f09bcdcee49b55e01cb4e603b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Wed, 23 Jun 2021 08:58:35 +0300
Subject: initial

---
 README.md |  3 +++
 init.php  | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 README.md
 create mode 100644 init.php

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..13e19b7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+Provides a filter action to mark old articles as read, based on feed-provided timestamp.
+
+Git clone to ``(tt-rss-root)/plugins.local/af_catchup_old``.
diff --git a/init.php b/init.php
new file mode 100644
index 0000000..cb7f49f
--- /dev/null
+++ b/init.php
@@ -0,0 +1,60 @@
+<?php
+
+class Af_Catchup_Old extends Plugin {
+
+	/** @var PluginHost $host */
+	private $host;
+
+	const ACTION_ONE_DAY = "action_force_catchup_1day";
+	const ACTION_ONE_WEEK = "action_force_catchup_1week";
+	const ACTION_ONE_MONTH = "action_force_catchup_1month";
+
+	function about() {
+		return [1.0,
+			"Provides a filter action to mark old articles as read, based on feed-provided timestamp",
+			"fox"];
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+		$this->host->add_filter_action($this, self::ACTION_ONE_DAY, __("Older than 1 day"));
+		$this->host->add_filter_action($this, self::ACTION_ONE_WEEK, __("Older than 1 week"));
+		$this->host->add_filter_action($this, self::ACTION_ONE_MONTH, __("Older than 1 month"));
+	}
+
+	function hook_article_filter_action($article, $action) {
+		$cutoff_timestamp = 0;
+
+		switch ($action) {
+			case self::ACTION_ONE_DAY:
+				$cutoff_timestamp = time() - 86400;
+				break;
+			case self::ACTION_ONE_WEEK:
+				$cutoff_timestamp = time() - 86400 * 7;
+				break;
+			case self::ACTION_ONE_MONTH:
+				$cutoff_timestamp = time() - 86400 * 31;
+				break;
+		}
+
+		if ($cutoff_timestamp) {
+			Debug::log(sprintf("[af_catchup_old] article timestamp: %s, cutoff timestamp: %s ",
+				date("Y-m-d H:i:s", $article["timestamp"]),
+				date("Y-m-d H:i:s", $cutoff_timestamp)));
+
+			if ($article["timestamp"] < $cutoff_timestamp) {
+				Debug::log("[af_catchup_old] article is older than cutoff, marking it as read.");
+				$article["force_catchup"] = true;
+			} else {
+				Debug::log("[af_catchup_old] article is newer than cutoff, ignoring.");
+			}
+		}
+
+		return $article;
+	}
+
+	function api_version() {
+		return 2;
+	}
+}
-- 
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