Added safety browsing settings to post searching

TODO

@@ -5,7 +5,6 @@ everything related to posts:
     - post listing
         - better thumbnail loading
         - comment count
-        - regard safety settings
         - regard disliked settings
         - search filters
             - comment:rr-

src/Controllers/PostController.php

@@ -4,6 +4,7 @@ namespace Szurubooru\Controllers;
 final class PostController extends AbstractController
 {
 	private $config;
+	private $authService;
 	private $privilegeService;
 	private $postService;
 	private $postSearchParser;
@@ -13,6 +14,7 @@ final class PostController extends AbstractController
 
 	public function __construct(
 		\Szurubooru\Config $config,
+		\Szurubooru\Services\AuthService $authService,
 		\Szurubooru\Services\PrivilegeService $privilegeService,
 		\Szurubooru\Services\PostService $postService,
 		\Szurubooru\SearchServices\Parsers\PostSearchParser $postSearchParser,
@@ -21,6 +23,7 @@ final class PostController extends AbstractController
 		\Szurubooru\Controllers\ViewProxies\SnapshotViewProxy $snapshotViewProxy)
 	{
 		$this->config = $config;
+		$this->authService = $authService;
 		$this->privilegeService = $privilegeService;
 		$this->postService = $postService;
 		$this->postSearchParser = $postSearchParser;
@@ -60,8 +63,11 @@ final class PostController extends AbstractController
 	public function getFiltered()
 	{
 		$this->privilegeService->assertPrivilege(\Szurubooru\Privilege::LIST_POSTS);
+
 		$filter = $this->postSearchParser->createFilterFromInputReader($this->inputReader);
 		$filter->setPageSize($this->config->posts->postsPerPage);
+		$this->decorateFilterFromBrowsingSettings($filter);
+
 		$result = $this->postService->getFiltered($filter);
 		$entities = $this->postViewProxy->fromArray($result->getEntities(), $this->getLightFetchConfig());
 		return [
@@ -149,4 +155,32 @@ final class PostController extends AbstractController
 			\Szurubooru\Controllers\ViewProxies\PostViewProxy::FETCH_TAGS => true,
 		];
 	}
+
+	private function decorateFilterFromBrowsingSettings($filter)
+	{
+		$userSettings = $this->authService->getLoggedInUser()->getBrowsingSettings();
+		if (!$userSettings)
+			return;
+
+		if ($userSettings->listPosts and !count($filter->getRequirementsByType(\Szurubooru\SearchServices\Filters\PostFilter::REQUIREMENT_SAFETY)))
+		{
+			$values = [];
+			if (!\Szurubooru\Helpers\TypeHelper::toBool($userSettings->listPosts->safe))
+				$values[] = \Szurubooru\Entities\Post::POST_SAFETY_SAFE;
+			if (!\Szurubooru\Helpers\TypeHelper::toBool($userSettings->listPosts->sketchy))
+				$values[] = \Szurubooru\Entities\Post::POST_SAFETY_SKETCHY;
+			if (!\Szurubooru\Helpers\TypeHelper::toBool($userSettings->listPosts->unsafe))
+				$values[] = \Szurubooru\Entities\Post::POST_SAFETY_UNSAFE;
+			if (count($values))
+			{
+				$requirementValue = new \Szurubooru\SearchServices\Requirements\RequirementCompositeValue();
+				$requirementValue->setValues($values);
+				$requirement = new \Szurubooru\SearchServices\Requirements\Requirement();
+				$requirement->setType(\Szurubooru\SearchServices\Filters\PostFilter::REQUIREMENT_SAFETY);
+				$requirement->setValue($requirementValue);
+				$requirement->setNegated(true);
+				$filter->addRequirement($requirement);
+			}
+		}
+	}
 }

src/Helpers/TypeHelper.php

@@ -0,0 +1,20 @@
+<?php
+namespace Szurubooru\Helpers;
+
+class TypeHelper
+{
+	public static function toBool($value)
+	{
+		if ($value === 0)
+			return false;
+		if ($value === 'false')
+			return false;
+		if ($value === false)
+			return false;
+		if (is_array($value) and count($value) === 1)
+			return false;
+		if ($value === null)
+			return false;
+		return true;
+	}
+}

src/SearchServices/Filters/BasicFilter.php

@@ -30,6 +30,17 @@ class BasicFilter implements IFilter
 		return $this->requirements;
 	}
 
+	public function getRequirementsByType($type)
+	{
+		$requirements = [];
+		foreach ($this->getRequirements() as $key => $requirement)
+		{
+			if ($requirement->getType() === $type)
+				$requirements[$key] = $requirement;
+		}
+		return $requirements;
+	}
+
 	public function getPageSize()
 	{
 		return $this->pageSize;