Creating a shadow entry for every public post and show it on the community page.

include/threads.php

@@ -13,9 +13,47 @@ function add_thread($itemid) {
 			.implode("`, `", array_keys($item))
 			."`) VALUES ('"
 			.implode("', '", array_values($item))
-			."')" );
+			."')");
 
 	logger("add_thread: Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
+
+	// Adding a shadow item entry
+	if (($itemid == 0) OR ($item['uid'] == 0))
+		return;
+
+	// Check, if hide-friends is activated - then don't do a shadow entry
+	$r = q("SELECT `hide-friends` FROM `profile` WHERE `is-default` AND `uid` = %d AND NOT `hide-friends`",
+		$item['uid']);
+	if (!count($r))
+		return;
+
+	// Only add a shadow, if the profile isn't hidden
+	$r = q("SELECT `uid` FROM `user` where `uid` = %d AND NOT `hidewall`", $item['uid']);
+	if (!count($r))
+		return;
+
+	$item = q("SELECT * FROM `item` WHERE `id` = %d",
+		intval($itemid));
+
+	if (count($item) AND ($item[0]["visible"] == 1) AND ($item[0]["deleted"] == 0) AND
+		(($item[0]["id"] == $item[0]["parent"]) OR ($item[0]["parent"] == 0)) AND
+		($item[0]["moderated"] == 0) AND ($item[0]["allow_cid"] == '')  AND ($item[0]["allow_gid"] == '') AND
+		($item[0]["deny_cid"] == '') AND ($item[0]["deny_gid"] == '') AND ($item[0]["private"] == 0)) {
+
+		$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1",
+			dbesc($item['uri']));
+
+		if (!$r) {
+			// Preparing public shadow (removing user specific data)
+			require_once("include/items.php");
+			unset($item[0]['id']);
+			$item[0]['uid'] = 0;
+			$item[0]['contact-id'] = 0;
+
+			$public_shadow = item_store($item[0],false);
+			logger("add_thread: Stored public shadow for post ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
+		}
+	}
 }
 
 function update_thread_uri($itemuri, $uid) {
@@ -27,7 +65,7 @@ function update_thread_uri($itemuri, $uid) {
 }
 
 function update_thread($itemid, $setmention = false) {
-	$items = q("SELECT `uid`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`, `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`,
+	$items = q("SELECT `uid`, `uri`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`, `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`,
 			`deleted`, `origin`, `forum_mode`, `network`  FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
 
 	if (!$items)
@@ -40,16 +78,50 @@ function update_thread($itemid, $setmention = false) {
 
 	$sql = "";
 
-	foreach ($item AS $field => $data) {
+	foreach ($item AS $field => $data)
-		if ($sql != "")
+		if ($field != "uri") {
-			$sql .= ", ";
+			if ($sql != "")
+				$sql .= ", ";
 
-		$sql .= "`".$field."` = '".$data."'";
+			$sql .= "`".$field."` = '".dbesc($data)."'";
-	}
+		}
 
-	$result = q("UPDATE `thread` SET ".$sql." WHERE `iid` = %d", $itemid);
+	$result = q("UPDATE `thread` SET ".$sql." WHERE `iid` = %d", intval($itemid));
 
 	logger("update_thread: Update thread for item ".$itemid." - ".print_r($result, true)." ".print_r($item, true), LOGGER_DEBUG);
+
+	// Updating a shadow item entry
+	$items = q("SELECT `id`, `title`, `body`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`,
+			`moderated`, `visible`, `spam`, `starred`, `bookmark`, `deleted`, `origin`, `forum_mode`, `network`
+			FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc($item["uri"]));
+
+	if (!$items)
+		return;
+
+	$item = $items[0];
+
+	$result = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `network` = '%s' WHERE `id` = %d",
+			dbesc($item["title"]),
+			dbesc($item["body"]),
+			dbesc($item["network"]),
+			intval($item["id"])
+		);
+	logger("update_thread: Updating public shadow for post ".$item["id"]." Result: ".print_r($result, true), LOGGER_DEBUG);
+
+	/*
+	$sql = "";
+
+	foreach ($item AS $field => $data)
+		if ($field != "id") {
+			if ($sql != "")
+				$sql .= ", ";
+
+			$sql .= "`".$field."` = '".dbesc($data)."'";
+		}
+	//logger("update_thread: Updating public shadow for post ".$item["id"]." SQL: ".$sql, LOGGER_DEBUG);
+	$result = q("UPDATE `item` SET ".$sql." WHERE `id` = %d", intval($item["id"]));
+	logger("update_thread: Updating public shadow for post ".$item["id"]." Result: ".print_r($result, true), LOGGER_DEBUG);
+	*/
 }
 
 function delete_thread_uri($itemuri, $uid) {
@@ -61,13 +133,28 @@ function delete_thread_uri($itemuri, $uid) {
 }
 
 function delete_thread($itemid) {
+	$item = q("SELECT `uri`, `uid` FROM `thread` WHERE `iid` = %d", intval($itemid));
+
 	$result = q("DELETE FROM `thread` WHERE `iid` = %d", intval($itemid));
 
 	logger("delete_thread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
+
+	if ($count($item)) {
+		$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND NOT (`uid` IN (%d, 0))",
+				dbesc($item["uri"]),
+				intval($item["uid"])
+			);
+		if (!count($r)) {
+			$r = q("DELETE FROM `item` WHERE `uri` = '%s' AND `uid` = 0)",
+				dbesc($item["uri"])
+			);
+			logger("delete_thread: Deleted shadow for item ".$item["uri"]." - ".print_r($result, true), LOGGER_DEBUG);
+		}
+	}
 }
 
 function update_threads() {
-        global $db;
+	global $db;
 
 	logger("update_threads: start");
 

mod/community.php

@@ -114,6 +114,8 @@ function community_content(&$a, $update = 0) {
 }
 
 function community_getitems($start, $itemspage) {
+// Work in progress	return(community_getpublicitems($start, $itemspage));
+
 	$r = q("SELECT `item`.`uri`, `item`.*, `item`.`id` AS `item_id`,
 		`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`alias`, `contact`.`rel`,
 		`contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
@@ -125,7 +127,7 @@ function community_getitems($start, $itemspage) {
 		AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 		AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 		INNER JOIN `contact` ON `contact`.`id` = `thread`.`contact-id`
-		AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `contact`.`self`
+		AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND (`contact`.`self` OR `contact`.`remote_self`)
 		WHERE `thread`.`visible` = 1 AND `thread`.`deleted` = 0 and `thread`.`moderated` = 0
 		AND `thread`.`private` = 0 AND `thread`.`wall` = 1
 		ORDER BY `thread`.`received` DESC LIMIT %d, %d ",
@@ -136,3 +138,21 @@ function community_getitems($start, $itemspage) {
 	return($r);
 
 }
+
+function community_getpublicitems($start, $itemspage) {
+	$r = q("SELECT `item`.`uri`, `item`.*, `item`.`id` AS `item_id`,
+			`author-name` AS `name`, `owner-avatar` AS `photo`,
+			`owner-link` AS `url`, `owner-avatar` AS `thumb`
+		FROM `item` WHERE `item`.`uid` = 0 AND `network` IN ('%s', '%s')
+		AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
+		AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
+		ORDER BY `item`.`received` DESC LIMIT %d, %d",
+		dbesc(NETWORK_DFRN),
+		dbesc(NETWORK_DIASPORA),
+		intval($start),
+		intval($itemspage)
+	);
+
+	return($r);
+
+}