EZEE-2533: Error HTTP 400 trying to preview Form during creation

src/bundle/Resources/config/services/siteaccess.yml

@@ -5,5 +5,9 @@ services:
         public: false
 
     EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessResolverInterface: '@EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessResolver'
-    EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessResolver: ~
+    EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessResolver:
+        arguments:
+            $siteaccessPreviewVoters: !tagged ezplatform.admin_ui.siteaccess_preview_voter
     EzSystems\EzPlatformAdminUi\Siteaccess\NonAdminSiteaccessResolver: ~
+    EzSystems\EzPlatformAdminUi\Siteaccess\AdminSiteaccessPreviewVoter:
+        tags: ['ezplatform.admin_ui.siteaccess_preview_voter']

src/lib/Siteaccess/AbstractSiteaccessPreviewVoter.php

@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformAdminUi\Siteaccess;
+
+use eZ\Publish\Core\MVC\ConfigResolverInterface;
+
+abstract class AbstractSiteaccessPreviewVoter implements SiteaccessPreviewVoterInterface
+{
+    /** @var \eZ\Publish\Core\MVC\ConfigResolverInterface */
+    protected $configResolver;
+
+    /**
+     * @param \eZ\Publish\Core\MVC\ConfigResolverInterface $configResolver
+     */
+    public function __construct(
+        ConfigResolverInterface $configResolver
+    ) {
+        $this->configResolver = $configResolver;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function vote(SiteaccessPreviewVoterContext $context): bool
+    {
+        $siteaccess = $context->getSiteaccess();
+        $location = $context->getLocation();
+        $languageCode = $context->getLanguageCode();
+        $contentLanguages = $context->getVersionInfo()->languageCodes;
+
+        if (empty(array_intersect($this->getRootLocationIds($siteaccess), $location->path))) {
+            return false;
+        }
+
+        $siteaccessLanguages = $this->configResolver->getParameter(
+            'languages',
+            null,
+            $siteaccess
+        );
+        if (!in_array($languageCode, $siteaccessLanguages)) {
+            return false;
+        }
+
+        $primarySiteaccessLanguage = reset($siteaccessLanguages);
+        if (
+            $languageCode !== $primarySiteaccessLanguage
+            && in_array($primarySiteaccessLanguage, $contentLanguages)
+        ) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * @param string $siteaccess
+     *
+     * @return int[]
+     */
+    abstract protected function getRootLocationIds(string $siteaccess): array;
+}

src/lib/Siteaccess/AdminSiteaccessPreviewVoter.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformAdminUi\Siteaccess;
+
+class AdminSiteaccessPreviewVoter extends AbstractSiteaccessPreviewVoter
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getRootLocationIds(string $siteaccess): array
+    {
+        $locationIds = [];
+        $locationIds[] = $this->configResolver->getParameter(
+            'location_ids.content_structure',
+            null,
+            $siteaccess
+        );
+        $locationIds[] = $this->configResolver->getParameter(
+            'location_ids.media',
+            null,
+            $siteaccess
+        );
+        $locationIds[] = $this->configResolver->getParameter(
+            'location_ids.users',
+            null,
+            $siteaccess
+        );
+
+        return $locationIds;
+    }
+}

src/lib/Siteaccess/SiteaccessPreviewVoterContext.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformAdminUi\Siteaccess;
+
+use eZ\Publish\API\Repository\Values\Content\Location;
+use eZ\Publish\API\Repository\Values\Content\VersionInfo;
+
+final class SiteaccessPreviewVoterContext
+{
+    /** @var \eZ\Publish\API\Repository\Values\Content\Location */
+    private $location;
+
+    /** @var \eZ\Publish\API\Repository\Values\Content\VersionInfo */
+    private $versionInfo;
+
+    /** @var string */
+    private $siteaccess;
+
+    /** @var string */
+    private $languageCode;
+
+    public function __construct(
+        Location $location,
+        VersionInfo $versionInfo,
+        string $siteaccess,
+        string $languageCode
+    ) {
+        $this->location = $location;
+        $this->versionInfo = $versionInfo;
+        $this->siteaccess = $siteaccess;
+        $this->languageCode = $languageCode;
+    }
+
+    /**
+     * @return \eZ\Publish\API\Repository\Values\Content\Location
+     */
+    public function getLocation(): Location
+    {
+        return $this->location;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSiteaccess(): string
+    {
+        return $this->siteaccess;
+    }
+
+    /**
+     * @return string
+     */
+    public function getLanguageCode(): string
+    {
+        return $this->languageCode;
+    }
+
+    /**
+     * @return \eZ\Publish\API\Repository\Values\Content\VersionInfo
+     */
+    public function getVersionInfo(): VersionInfo
+    {
+        return $this->versionInfo;
+    }
+}

src/lib/Siteaccess/SiteaccessPreviewVoterInterface.php

@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformAdminUi\Siteaccess;
+
+interface SiteaccessPreviewVoterInterface
+{
+    /**
+     * Votes whether the Content item can be previewed in given siteaccess.
+     *
+     * @param \EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessPreviewVoterContext $context
+     *
+     * @return bool
+     */
+    public function vote(SiteaccessPreviewVoterContext $context): bool;
+}

src/lib/Siteaccess/SiteaccessResolver.php

@@ -14,61 +14,58 @@
 
 class SiteaccessResolver implements SiteaccessResolverInterface
 {
-    /** @var ConfigResolverInterface */
+    /** @var \eZ\Publish\Core\MVC\ConfigResolverInterface */
     private $configResolver;
 
-    /** @var ContentService */
+    /** @var \eZ\Publish\API\Repository\ContentService */
     private $contentService;
 
+    /** @var \EzSystems\EzPlatformAdminUi\Siteaccess\SiteaccessPreviewVoterInterface[] */
+    private $siteaccessPreviewVoters;
+
     /**
-     * @param ConfigResolverInterface $configResolver
-     * @param ContentService $contentService
+     * @param \eZ\Publish\Core\MVC\ConfigResolverInterface $configResolver
+     * @param \eZ\Publish\API\Repository\ContentService $contentService
+     * @param iterable $siteaccessPreviewVoters
      */
-    public function __construct(ConfigResolverInterface $configResolver, ContentService $contentService)
-    {
+    public function __construct(
+        ConfigResolverInterface $configResolver,
+        ContentService $contentService,
+        iterable $siteaccessPreviewVoters
+    ) {
         $this->configResolver = $configResolver;
         $this->contentService = $contentService;
+        $this->siteaccessPreviewVoters = $siteaccessPreviewVoters;
     }
 
+    /**
+     * @param \eZ\Publish\API\Repository\Values\Content\Location $location
+     * @param int|null $versionNo
+     * @param string|null $languageCode
+     *
+     * @return array
+     *
+     * @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException
+     * @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException
+     */
     public function getSiteaccessesForLocation(
         Location $location,
         int $versionNo = null,
         string $languageCode = null
     ): array {
         $contentInfo = $location->getContentInfo();
-        $languageCode = $languageCode ?? $contentInfo->mainLanguageCode;
         $versionInfo = $this->contentService->loadVersionInfo($contentInfo, $versionNo);
-        $contentLanguages = $versionInfo->languageCodes;
+        $languageCode = $languageCode ?? $contentInfo->mainLanguageCode;
 
         $eligibleSiteaccesses = [];
         foreach ($this->getSiteaccesses() as $siteaccess) {
-            $rootLocationId = $this->configResolver->getParameter(
-                'content.tree_root.location_id',
-                null,
-                $siteaccess
-            );
-            if (!in_array($rootLocationId, $location->path)) {
-                continue;
+            $context = new SiteaccessPreviewVoterContext($location, $versionInfo, $siteaccess, $languageCode);
+            foreach ($this->siteaccessPreviewVoters as $siteaccessPreviewVoter) {
+                if (true === $siteaccessPreviewVoter->vote($context)) {
+                    $eligibleSiteaccesses[] = $siteaccess;
+                    break;
+                }
             }
-
-            $siteaccessLanguages = $this->configResolver->getParameter(
-                'languages',
-                null,
-                $siteaccess
-            );
-            if (!in_array($languageCode, $siteaccessLanguages)) {
-                continue;
-            }
-
-            $primarySiteaccessLanguage = reset($siteaccessLanguages);
-            if (
-                $languageCode !== $primarySiteaccessLanguage
-                && in_array($primarySiteaccessLanguage, $contentLanguages)
-            ) {
-                continue;
-            }
-
-            $eligibleSiteaccesses[] = $siteaccess;
         }
 
         return $eligibleSiteaccesses;