From 3a1798d1c3498acc8f64443eab6d504e8a38e685 Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Sat, 4 Jan 2020 21:45:20 +0000
Subject: [PATCH] First testable version

---
 src/Model/UserItem.php | 84 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 73 insertions(+), 11 deletions(-)

diff --git a/src/Model/UserItem.php b/src/Model/UserItem.php
index 26c42f109..1888906fa 100644
--- a/src/Model/UserItem.php
+++ b/src/Model/UserItem.php
@@ -6,7 +6,10 @@
 
 namespace Friendica\Model;
 
+use Friendica\Core\Hook;
 use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Util\Strings;
 
 class UserItem
 {
@@ -18,6 +21,66 @@ class UserItem
 	 */
 	public static function setNotification($item, $uid)
 	{
+		if (self::checkShared($item, $uid)) {
+			echo "shared\n";
+		}
+
+		$profiles = self::getProfileForUser($uid);
+
+		if (self::checkTagged($item, $uid, $profiles)) {
+			echo "tagged\n";
+		}
+
+		if (self::checkCommented($item, $uid, $profiles)) {
+			echo "commented\n";
+		}
+	}
+
+	private static function getProfileForUser($uid)
+	{
+		$notification_data = ["uid" => $uid, "profiles" => []];
+		Hook::callAll('check_item_notification', $notification_data);
+
+		$profiles = $notification_data["profiles"];
+
+		$fields = ['nickname'];
+		$user = DBA::selectFirst('user', $fields, ['uid' => $uid]);
+		if (!DBA::isResult($user)) {
+			return false;
+		}
+
+		$owner = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]);
+		if (!DBA::isResult($owner)) {
+			return false;
+		}
+
+		// This is our regular URL format
+		$profiles[] = $owner["url"];
+
+		// Notifications from Diaspora are often with an URL in the Diaspora format
+		$profiles[] = DI::baseUrl()."/u/".$user["nickname"];
+
+		$profiles2 = [];
+
+		foreach ($profiles AS $profile) {
+			// Check for invalid profile urls. 13 should be the shortest possible profile length:
+			// http://a.bc/d
+			// Additionally check for invalid urls that would return the normalised value "http:"
+			if ((strlen($profile) >= 13) && (Strings::normaliseLink($profile) != "http:")) {
+				if (!in_array($profile, $profiles2))
+					$profiles2[] = $profile;
+
+				$profile = Strings::normaliseLink($profile);
+				if (!in_array($profile, $profiles2))
+					$profiles2[] = $profile;
+
+				$profile = str_replace("http://", "https://", $profile);
+				if (!in_array($profile, $profiles2))
+					$profiles2[] = $profile;
+			}
+		}
+
+		return $profiles2;
 	}
 
 	private static function checkShared($item, $uid)
@@ -45,34 +108,33 @@ class UserItem
 	}
 
 	// Is the user mentioned in this post?
-	private static function checkTagged($item, $uid)
+	private static function checkTagged($item, $uid, $profiles)
 	{
-		if ($item["mention"]) {
-			return true;
-		}
-
 		foreach ($profiles AS $profile) {
 			if (strpos($item["tag"], "=".$profile."]") || strpos($item["body"], "=".$profile."]"))
 				return true;
 		}
 
-		if ($defaulttype == NOTIFY_TAGSELF) {
-			return true;
-		}
-
 		return false;
 	}
 
-	private static function checkCommented($item, $uid)
+	// Fetch all contacts for the given profiles
+	private static function checkCommented($item, $uid, $profiles)
 	{
 		// Is it a post that the user had started?
 		$fields = ['ignored', 'mention'];
 		$thread = Item::selectFirstThreadForUser($uid, $fields, ['iid' => $item["parent"], 'deleted' => false]);
-
 		if ($thread['mention'] && !$thread['ignored']) {
 			return true;
 		}
 
+		$contacts = [];
+		$ret = DBA::select('contact', ['id'], ['uid' => 0, 'nurl' => $profiles]);
+		while ($contact = DBA::fetch($ret)) {
+			$contacts[] = $contact['id'];
+		}
+		DBA::close($ret);
+
 		// And now we check for participation of one of our contacts in the thread
 		$condition = ['parent' => $item["parent"], 'author-id' => $contacts, 'deleted' => false];