From 81fc862e370a1dfbd3941206fd00076e3cbf0551 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gmail.com>
Date: Mon, 20 May 2013 14:47:57 -0400
Subject: [PATCH] support disabling of e-mail digests entirely

On servers w/out any support for sending e-mail, the digest functionality
is useless overhead and confusing for users.  Overload the existing digest
knob so people can turn it off.
---
 classes/pref/feeds.php | 2 ++
 classes/pref/prefs.php | 5 +++++
 classes/rssutils.php   | 1 +
 config.php-dist        | 1 +
 4 files changed, 9 insertions(+)

diff --git a/classes/pref/feeds.php b/classes/pref/feeds.php
index a04b0108..8249f756 100755
--- a/classes/pref/feeds.php
+++ b/classes/pref/feeds.php
@@ -660,6 +660,7 @@ class Pref_Feeds extends Handler_Protected {
 			print "<input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" name=\"private\" id=\"private\"
 			$checked>&nbsp;<label for=\"private\">".__('Hide from Popular feeds')."</label>";
 
+		if (DIGEST_SUBJECT !== false) {
 			$include_in_digest = $row["include_in_digest"];
 
 			if ($include_in_digest) {
@@ -671,6 +672,7 @@ class Pref_Feeds extends Handler_Protected {
 			print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"include_in_digest\"
 			name=\"include_in_digest\"
 			$checked>&nbsp;<label for=\"include_in_digest\">".__('Include in e-mail digest')."</label>";
+		}
 
 
 			$always_display_enclosures = $row["always_display_enclosures"];
diff --git a/classes/pref/prefs.php b/classes/pref/prefs.php
index 82456f34..0ae3e1bb 100644
--- a/classes/pref/prefs.php
+++ b/classes/pref/prefs.php
@@ -172,6 +172,7 @@ class Pref_Prefs extends Handler_Protected {
 					"DEFAULT_UPDATE_INTERVAL", "USER_TIMEZONE", "SORT_HEADLINES_BY_FEED_DATE",
 					"SSL_CERT_SERIAL", "DIGEST_PREFERRED_TIME");
 
+		$digest_options = array("DIGEST_ENABLE", "DIGEST_CATCHUP", "DIGEST_PREFERRED_TIME");
 
 		$_SESSION["prefs_op_result"] = "";
 
@@ -502,6 +503,10 @@ class Pref_Prefs extends Handler_Protected {
 				continue;
 			}
 
+			/* Hide options from the user that are disabled in config.php. */
+			if (DIGEST_SUBJECT === false && in_array($pref_name, $digest_options))
+				continue;
+
 			if ($active_section != $line["section_id"]) {
 
 				if ($active_section != "") {
diff --git a/classes/rssutils.php b/classes/rssutils.php
index 56108bd1..b469c470 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -217,6 +217,7 @@ class RSSUtils {
 		}
 
 		// Send feed digests by email if needed.
+		if (DIGEST_SUBJECT !== false)
 		Digest::send_headlines_digests();
 
 		return $nf;
diff --git a/config.php-dist b/config.php-dist
index da9237ff..a8817fae 100755
--- a/config.php-dist
+++ b/config.php-dist
@@ -141,6 +141,7 @@
 
 	define('DIGEST_SUBJECT', '[tt-rss] New headlines for last 24 hours');
 	// Subject line for email digests
+	// Set this to false to disable digests entirely.
 
 	// ***************************************
 	// *** Other settings (less important) ***
-- 
2.39.2