pkp/pkp-lib#7272 Simultaneously Displaying Multilingual Metadata on t…

…he Article Landing Page
pkp · Nov 27, 2023 · 7b9e8ed · 7b9e8ed
1 parent f84ab62
commit 7b9e8ed
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Showing 5 changed files with 142 additions and 32 deletions.
diff --git a/pages/preprint/PreprintHandler.php b/pages/preprint/PreprintHandler.php
@@ -23,6 +23,7 @@
 use APP\facades\Repo;
 use APP\handler\Handler;
 use APP\observers\events\UsageEvent;
+use APP\publication\Publication;
 use APP\security\authorization\OpsServerMustPublishPolicy;
 use APP\template\TemplateManager;
 use Firebase\JWT\JWT;
@@ -169,6 +170,7 @@ public function initialize($request, $args = [])
      *
      * @param array $args
      * @param \APP\core\Request $request
+     *
      * @hook PreprintHandler::view [[&$request, &$preprint, $publication]]
      * @hook PreprintHandler::view::galley [[&$request, &$this->galley, &$preprint, $publication]]
      */
@@ -294,6 +296,13 @@ public function view($args, $request)
                 $templateMgr->addHeader('canonical', '<link rel="canonical" href="' . $url . '">');
             }
 
+            $templateMgr->assign('pubLocaleData', $this->getPublicationLocaleData(
+                $publication,
+                $context->getPrimaryLocale(),
+                $templateMgr->getTemplateVars('activeTheme')->getOption('showMultilingualMetadata') ?: [],
+                $templateMgr->getTemplateVars('activeTheme')->getOption('showMetadata') ?: []
+            ));
+
             if (!Hook::call('PreprintHandler::view', [&$request, &$preprint, $publication])) {
                 $templateMgr->display('frontend/pages/preprint.tpl');
                 event(new UsageEvent(Application::ASSOC_TYPE_SUBMISSION, $context, $preprint));
@@ -330,6 +339,7 @@ public function view($args, $request)
      *
      * @param array $args
      * @param Request $request
+     *
      * @hook PreprintHandler::download [[$this->preprint, &$this->galley, &$this->submissionFileId]]
      * @hook FileManager::downloadFileFinished [[&$returner]]
      */
@@ -415,4 +425,38 @@ public function userCanViewGalley($request)
         }
         return false;
     }
+
+    /**
+     * Format multilingual publication data for template:
+     * Default data at least includes in one language: full title, title, subtitle, keywords, abstract
+     * showMultilingualMetadataOpts adds multilingual metadata: title (by default includes fullTitle and subtitle), keywords, abstract, etc.
+     * showMetadataOpts: additional metadata
+     */
+    protected function getPublicationLocaleData(Publication $publication, string $contextPrimaryLocale, array $showMultilingualMetadataOpts, array $showMetadataOpts): array
+    {
+        $titles = collect([
+            'title' => $publication->getTitles('html'),
+            'subtitle' => $publication->getSubtitles('html'),
+            'fullTitle' => $publication->getFullTitles('html'),
+        ]);
+        $metadataOpts = collect(['keywords', 'abstract'])->concat($showMetadataOpts)->diff($titles->keys())->unique()->values();
+        $multilingualOpts = collect($showMultilingualMetadataOpts)
+            ->when(in_array('title', $showMultilingualMetadataOpts), fn ($m) => $m->concat(['subtitle', 'fullTitle'])->unique()->values());
+        $primaryLocale = isset($titles->get('title')[$contextPrimaryLocale]) ? $contextPrimaryLocale : $publication->getData('locale');
+
+        $getText = fn (array $item, string $opt): array => [
+            $opt => [
+                'text' => ($text = array_filter($item, fn (string $locale) => $multilingualOpts->contains($opt) || $locale === $primaryLocale, ARRAY_FILTER_USE_KEY)),
+                'headingLang' => collect($text)->map(fn ($_, string $locale): string => $locale === $primaryLocale ? $contextPrimaryLocale : $locale)->toArray()
+            ],
+        ];
+
+        $pubLocaleData = $titles->mapWithKeys($getText)
+            ->union($metadataOpts->mapWithKeys(fn (string $opt): array => $getText($publication->getData($opt) ?? [], $opt)));
+        return $pubLocaleData
+            ->put('languages', $pubLocaleData->map(fn (array $item): array => array_keys($item['text']))
+                ->flatten()->sort()->prepend($primaryLocale)->unique()->values())
+            ->put('primaryLocale', $primaryLocale)
+            ->toArray();
+    }
 }
diff --git a/plugins/themes/default/DefaultThemePlugin.php b/plugins/themes/default/DefaultThemePlugin.php
@@ -125,6 +125,26 @@ public function init()
             'default' => 'none',
         ]);
 
+        $this->addOption('showMultilingualMetadata', 'FieldOptions', [
+            'label' => __('plugins.themes.default.option.metadata.label'),
+            'description' => __('plugins.themes.default.option.metadata.description'),
+            'options' => [
+                [
+                    'value' => 'title',
+                    'label' => __('submission.title'),
+                ],
+                [
+                    'value' => 'keywords',
+                    'label' => __('common.keywords'),
+                ],
+                [
+                    'value' => 'abstract',
+                    'label' => __('common.abstract'),
+                ],
+            ],
+            'default' => [],
+        ]);
+
         // Load primary stylesheet
         $this->addStyle('stylesheet', 'styles/index.less');
 

diff --git a/plugins/themes/default/locale/en/locale.po b/plugins/themes/default/locale/en/locale.po
@@ -97,4 +97,16 @@ msgid "plugins.themes.default.nextSlide"
 msgstr "Next slide"
 
 msgid "plugins.themes.default.prevSlide"
-msgstr "Previous slide"
+msgstr "Previous slide"
+
+msgid "plugins.themes.default.option.metadata.label"
+msgstr "Show preprint metadata on the preprint landing page"
+
+msgid "plugins.themes.default.option.metadata.description"
+msgstr "Select the preprint metadata to show in other languages."
+
+msgid "plugins.themes.default.submissionMetadataInLanguage"
+msgstr "Preprint Metadata in English"
+
+msgid "plugins.themes.default.titleSubtitleSeparator"
+msgstr " &mdash; "
diff --git a/plugins/themes/default/styles/objects/preprint_details.less b/plugins/themes/default/styles/objects/preprint_details.less
@@ -37,7 +37,7 @@
 			margin-bottom: 0;
 		}
 
-		> h2 + p {
+		> h2 + p, h3 + p {
 			margin-top: 0;
 		}
 	}
@@ -52,6 +52,10 @@
 
 	.main_entry {
 
+		.metadata > .page_metadata_title {
+			margin: 0;
+		}
+
 		.item {
 
 			.label {
@@ -118,8 +122,7 @@
 		}
 	}
 
-	.item.doi,
-	.item.keywords {
+	.item.doi {
 		padding-top: 0;
 	}
 
@@ -302,8 +305,7 @@
 				font-weight: @bold;
 			}
 
-			&.doi .label,
-			&.keywords .label {
+			&.doi .label {
 				display: inline;
 				font-size: @font-base;
 			}

diff --git a/templates/frontend/objects/preprint_details.tpl b/templates/frontend/objects/preprint_details.tpl
@@ -64,6 +64,7 @@
  * @uses $licenseUrl string URL to license. Only assigned if license should be
  *   included with published submissions.
  * @uses $ccLicenseBadge string An image and text with details about the license
+ * @uses $pubLocaleData array Array of formatted publication locale metadata: titles, abstracts, keywords,
  *}
 <article class="obj_preprint_details">
 
@@ -109,13 +110,12 @@
 	<span class="separator">{translate key="navigation.breadcrumbSeparator"}</span>
 	<span class="preprint_version">{translate key="publication.version" version=$publication->getData('version')}</span>
 
-	<h1 class="page_title">
-		{$publication->getLocalizedTitle(null, 'html')|strip_unsafe_html}
+	<h1 class="page_title" lang="{$pubLocaleData.primaryLocale|replace:"_":"-"}">
+		{$pubLocaleData.title.text[$pubLocaleData.primaryLocale]|strip_unsafe_html}
 	</h1>
-
-	{if $publication->getLocalizedData('subtitle')}
-		<h2 class="subtitle">
-			{$publication->getLocalizedSubTitle(null, 'html')|strip_unsafe_html}
+	{if isset($pubLocaleData.subtitle.text[$pubLocaleData.primaryLocale])}
+		<h2 class="subtitle" lang="{$pubLocaleData.primaryLocale|replace:"_":"-"}">
+			{$pubLocaleData.subtitle.text[$pubLocaleData.primaryLocale]|strip_unsafe_html}
 		</h2>
 	{/if}
 
@@ -168,28 +168,60 @@
 				</section>
 			{/if}
 
-			{* Keywords *}
-			{if !empty($publication->getLocalizedData('keywords'))}
-			<section class="item keywords">
-				<h2 class="label">
-					{capture assign=translatedKeywords}{translate key="preprint.subject"}{/capture}
-					{translate key="semicolon" label=$translatedKeywords}
-				</h2>
-				<span class="value">
-					{foreach name="keywords" from=$publication->getLocalizedData('keywords') item="keyword"}
-						{$keyword|escape}{if !$smarty.foreach.keywords.last}{translate key="common.commaListSeparator"}{/if}
-					{/foreach}
-				</span>
-			</section>
-			{/if}
+			{*
+			 * Show preprint keywords and abstract in ui, or submission, language by default.
+			 * Show optional multilingual metadata: titles, keywords, abstracts.
+			 *}
+			 {foreach from=$pubLocaleData.languages item=lang}
+				<section class="metadata">
+				{assign "hLvl" "2"}
+				{* Multilingual metadata title *}
+				{if $lang !== $pubLocaleData.primaryLocale}
+					{assign "hLvl" "3"}
+					<h2 class="item label page_metadata_title" lang={$lang|replace:"_":"-"}>
+						{translate key="plugins.themes.default.submissionMetadataInLanguage" locale=$lang}
+					</h2>
+					{* Title in other language *}
+					{if isset($pubLocaleData.title.text[$lang])}
+						<section class="item page_locale_title">
+							<h{$hLvl} class="label" lang="{$pubLocaleData.title.headingLang[$lang]|replace:"_":"-"}">
+								{translate key="submission.title" locale=$pubLocaleData.title.headingLang[$lang]}
+							</h{$hLvl}>
+							<p lang="{$lang|replace:"_":"-"}">
+								{$pubLocaleData.title.text[$lang]|strip_tags}
+								{if isset($pubLocaleData.subtitle.text[$lang])}
+									{translate key="plugins.themes.default.titleSubtitleSeparator" locale=$pubLocaleData.title.headingLang[$lang]}{$pubLocaleData.subtitle.text[$lang]|strip_tags}
+								{/if}
+							</p>
+						</section>
+					{/if}
+				{/if}
 
-			{* Abstract *}
-			{if $publication->getLocalizedData('abstract')}
-				<section class="item abstract">
-					<h2 class="label">{translate key="common.abstract"}</h2>
-					{$publication->getLocalizedData('abstract')|strip_unsafe_html}
+				{* Keywords *}
+				{if isset($pubLocaleData.keywords.text[$lang])}
+					<section class="item keywords">
+						<h{$hLvl} class="label" lang="{$pubLocaleData.keywords.headingLang[$lang]|replace:"_":"-"}">
+							{translate key="common.keywords" locale=$pubLocaleData.keywords.headingLang[$lang]}
+						</h{$hLvl}>
+						<p class="value" lang="{$lang|replace:"_":"-"}">
+						{foreach from=$pubLocaleData.keywords.text[$lang] item="keyword"}
+							{$keyword|escape}{if !$keyword@last}{translate key="common.commaListSeparator" locale=$pubLocaleData.keywords.headingLang[$lang]}{/if}
+						{/foreach}
+						</p>
+					</section>
+				{/if}
+
+				{* Abstract *}
+				{if isset($pubLocaleData.abstract.text[$lang])}
+					<section class="item abstract">
+						<h{$hLvl} class="label" lang="{$pubLocaleData.abstract.headingLang[$lang]|replace:"_":"-"}">
+							{translate key="common.abstract" locale=$pubLocaleData.abstract.headingLang[$lang]}
+						</h{$hLvl}>
+						<p lang="{$lang|replace:"_":"-"}">{$pubLocaleData.abstract.text[$lang]|strip_tags}</p>
+					</section>
+				{/if}
 				</section>
-			{/if}
+			{/foreach}
 
 			{call_hook name="Templates::Preprint::Main"}