Added a button to link to the public page of a resource.

application/config/module.config.php

@@ -421,12 +421,14 @@
             'blockLayout' => Service\ViewHelper\BlockLayoutFactory::class,
             'blockThumbnailTypeSelect' => Service\ViewHelper\BlockThumbnailTypeSelectFactory::class,
             'dataType' => Service\ViewHelper\DataTypeFactory::class,
+            'defaultSiteSlug' => Service\ViewHelper\DefaultSiteSlugFactory::class,
             'i18n' => Service\ViewHelper\I18nFactory::class,
             'logger' => Service\ViewHelper\LoggerFactory::class,
             'media' => Service\ViewHelper\MediaFactory::class,
             'navigationLink' => Service\ViewHelper\NavigationLinkFactory::class,
             'pagination' => Service\ViewHelper\PaginationFactory::class,
             'params' => Service\ViewHelper\ParamsFactory::class,
+            'publicResourceUrl' => Service\ViewHelper\PublicResourceUrlFactory::class,
             'setting' => Service\ViewHelper\SettingFactory::class,
             'userSetting' => Service\ViewHelper\UserSettingFactory::class,
             'siteSetting' => Service\ViewHelper\SiteSettingFactory::class,

application/src/Service/ViewHelper/DefaultSiteSlugFactory.php

@@ -0,0 +1,33 @@
+<?php
+namespace Omeka\Service\ViewHelper;
+
+use Interop\Container\ContainerInterface;
+use Laminas\ServiceManager\Factory\FactoryInterface;
+use Omeka\View\Helper\DefaultSiteSlug;
+
+/**
+ * Service factory to get the default site slug, or the first site slug.
+ *
+ * @todo Store the default site as slug instead of id?
+ * @todo Set a setting for the default site of the user?
+ */
+class DefaultSiteSlugFactory implements FactoryInterface
+{
+    /**
+     * Create and return the DefaultSiteSlug view helper.
+     *
+     * @return DefaultSiteSlug
+     */
+    public function __invoke(ContainerInterface $services, $requestedName, array $options = null)
+    {
+        $defaultSiteId = $services->get('Omeka\Settings')->get('default_site');
+        $api = $services->get('Omeka\ApiManager');
+        if ($defaultSiteId) {
+            $slugs = $api->search('sites', ['id' => $defaultSiteId], ['returnScalar' => 'slug'])->getContent();
+        } else {
+            $slugs = $api->search('sites', ['limit' => 1], ['returnScalar' => 'slug'])->getContent();
+        }
+        $defaultSiteSlug = (string) reset($slugs);
+        return new DefaultSiteSlug($defaultSiteSlug);
+    }
+}

application/src/Service/ViewHelper/PublicResourceUrlFactory.php

@@ -0,0 +1,28 @@
+<?php declare(strict_types=1);
+
+namespace Omeka\Service\ViewHelper;
+
+use Interop\Container\ContainerInterface;
+use Laminas\ServiceManager\Factory\FactoryInterface;
+use Omeka\View\Helper\PublicResourceUrl;
+
+/**
+ * Service factory for the PublicResourceUrlFactory view helper.
+ *
+ * @todo Set a setting for the default site of the user.
+ */
+class PublicResourceUrlFactory implements FactoryInterface
+{
+    /**
+     * Create and return the PublicResourceUrl view helper
+     *
+     * @return PublicResourceUrl
+     */
+    public function __invoke(ContainerInterface $services, $requestedName, array $options = null)
+    {
+        return new PublicResourceUrl(
+            $services->get('Omeka\ApiManager')->search('sites', [], ['returnScalar' => 'slug'])->getContent(),
+            $services->get('ViewHelperManager')->get('defaultSiteSlug')()
+        );
+    }
+}

application/src/View/Helper/DefaultSiteSlug.php

@@ -0,0 +1,35 @@
+<?php
+namespace Omeka\View\Helper;
+
+use Laminas\View\Helper\AbstractHelper;
+
+/**
+ * View helper to get the default site slug, or the first one.
+ */
+class DefaultSiteSlug extends AbstractHelper
+{
+    /**
+     * @var string
+     */
+    protected $defaultSiteSlug;
+
+    /**
+     * Construct the helper.
+     *
+     * @param string|null $defaultSiteSlug
+     */
+    public function __construct($defaultSiteSlug)
+    {
+        $this->defaultSiteSlug = $defaultSiteSlug;
+    }
+
+    /**
+     * Return the default site slug, or the first one.
+     *
+     * @return string|null
+     */
+    public function __invoke()
+    {
+        return $this->defaultSiteSlug;
+    }
+}

application/src/View/Helper/PublicResourceUrl.php

@@ -0,0 +1,66 @@
+<?php declare(strict_types=1);
+
+namespace Omeka\View\Helper;
+
+use Laminas\View\Helper\AbstractHelper;
+use Omeka\Api\Representation\AbstractResourceRepresentation;
+
+/**
+ * View helper to return the url to the public default site page of a resource.
+ */
+class PublicResourceUrl extends AbstractHelper
+{
+    /**
+     * @var string[]
+     */
+    protected $siteSlugs;
+
+    /**
+     * @var ?string
+     */
+    protected $defaultSiteSlug;
+
+    /**
+     * @var int
+     */
+    protected $defaultSiteId;
+
+    public function __construct(array $siteSlugs, ?string $defaultSiteSlug)
+    {
+        $this->siteSlugs = $siteSlugs;
+        $this->defaultSiteSlug = $defaultSiteSlug;
+        $this->defaultSiteId = (int) array_search($defaultSiteSlug, $siteSlugs);
+    }
+
+    /**
+     * Return the url to the public default site page or a resource.
+     *
+     * @uses AbstractResourceRepresentation::siteUrl()
+     *
+     * @param AbstractResourceRepresentation $resource
+     * @param bool $canonical Whether to return an absolute URL
+     * @return string
+     */
+    public function __invoke(AbstractResourceRepresentation $resource, $canonical = false): ?string
+    {
+        // Use default site by default.
+        $siteSlug = $this->defaultSiteSlug;
+
+        // The resource should belong to the site.
+        $res = $resource;
+        if ($resource->getResourceJsonLdType() === 'o:Media') {
+            $res = $resource->item();
+        }
+        if (method_exists($res, 'sites')) {
+            $resourceSites = $res->sites();
+            if (!isset($resourceSites[$this->defaultSiteId]) && count($resourceSites)) {
+                $siteSlug = (reset($resourceSites))->slug();
+            }
+        }
+
+        // Manage the case where there is no site.
+        return $siteSlug
+            ? $resource->siteUrl($siteSlug, $canonical)
+            : null;
+    }
+}

application/view/omeka/admin/item-set/show.phtml

@@ -26,6 +26,7 @@ $sectionNavs = [
 <?php echo $this->pageTitle($itemSet->displayTitle(), 1, $translate('Item sets')); ?>
 
 <div id="page-actions">
+    <?php echo $this->hyperlink($translate('Public view'), $this->publicResourceUrl($itemSet), ['class' => 'button', 'target' => '_blank']); ?>
     <?php if ($itemSet->userIsAllowed('update')): ?>
     <?php echo $itemSet->link($translate('Edit item set'), 'edit', ['class' => 'button']); ?>
     <?php endif; ?>

application/view/omeka/admin/item/show.phtml

@@ -17,6 +17,7 @@ $itemMedia = $item->media();
 ?>
 <?php echo $this->pageTitle($item->displayTitle(), 1, $translate('Items')); ?>
 <div id="page-actions">
+    <?php echo $this->hyperlink($translate('Public view'), $this->publicResourceUrl($item), ['class' => 'button', 'target' => '_blank']); ?>
     <?php if ($item->userIsAllowed('update')): ?>
     <?php echo $item->link($translate('Edit item'), 'edit', ['class' => 'button']); ?>
     <?php endif; ?>

application/view/omeka/admin/media/show.phtml

@@ -11,7 +11,10 @@ $sectionNavs = [
 <?php echo $this->pageTitle($media->displayTitle(), 1, $translate('Media')); ?>
 
 <div id="page-actions">
+    <?php echo $this->hyperlink($translate('Public view'), $this->publicResourceUrl($media), ['class' => 'button', 'target' => '_blank']); ?>
+    <?php if ($media->userIsAllowed('update')): ?>
     <?php echo $media->link($translate('Edit media'), 'edit', ['class' => 'button']); ?>
+    <?php endif; ?>
 </div>
 
 <?php echo $this->sectionNav($sectionNavs, 'view.show.section_nav', $media); ?>