Move network module to src/

- Update ForumManager to use a base URL
- Split network module into Conversation\Network and Search\Filed modules
- Implement boundaries pager in network module
- Allow no selection in filter widgets

src/Module/Update/Network.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Friendica\Module\Update;
+
+use Friendica\Core\System;
+use Friendica\DI;
+use Friendica\Model\Item;
+use Friendica\Module\Conversation\Network as NetworkModule;
+
+class Network extends NetworkModule
+{
+	public static function rawContent(array $parameters = [])
+	{
+		if (!isset($_GET['p']) || !isset($_GET['item'])) {
+			exit();
+		}
+
+		self::parseRequest($parameters, $_GET);
+
+		$profile_uid = intval($_GET['p']);
+
+		$o = '';
+
+		if (!DI::pConfig()->get($profile_uid, 'system', 'no_auto_update') || ($_GET['force'] == 1)) {
+			if (!empty($_GET['item'])) {
+				$item = Item::selectFirst(['parent'], ['id' => $_GET['item']]);
+				$parent = $item['parent'] ?? 0;
+			} else {
+				$parent = 0;
+			}
+
+			$conditionFields = [];
+			if (!empty($parent)) {
+				// Load only a single thread
+				$conditionFields['parent'] = $parent;
+			} elseif (self::$order === 'received') {
+				// Only load new toplevel posts
+				$conditionFields['unseen'] = true;
+				$conditionFields['gravity'] = GRAVITY_PARENT;
+			} else {
+				// Load all unseen items
+				$conditionFields['unseen'] = true;
+			}
+
+			$params = ['limit' => 100];
+			$table = 'network-item-view';
+
+			$items = self::getItems($table, $params, $conditionFields);
+
+			if (self::$order === 'received') {
+				$ordering = '`received`';
+			} else {
+				$ordering = '`commented`';
+			}
+
+			$o = conversation(DI::app(), $items, 'network', $profile_uid, false, $ordering, local_user());
+		}
+
+		System::htmlUpdateExit($o);
+	}
+}