feat: Filter stories by theme

Refs: #UNO-866

config/core.entity_form_display.paragraph.stories.default.yml

@@ -6,6 +6,7 @@ dependencies:
     - entity_browser.browser.stories
     - field.field.paragraph.stories.field_limit
     - field.field.paragraph.stories.field_node
+    - field.field.paragraph.stories.field_themes
     - field.field.paragraph.stories.field_title
     - field.field.paragraph.stories.paragraph_view_mode
     - paragraphs.paragraphs_type.stories
@@ -26,7 +27,7 @@ content:
     third_party_settings: {  }
   field_node:
     type: entity_browser_entity_reference
-    weight: 3
+    weight: 4
     region: content
     settings:
       entity_browser: stories
@@ -39,6 +40,12 @@ content:
         view_mode: card_preview
       selection_mode: selection_prepend
     third_party_settings: {  }
+  field_themes:
+    type: options_select
+    weight: 3
+    region: content
+    settings: {  }
+    third_party_settings: {  }
   field_title:
     type: string_textfield
     weight: 1
@@ -58,16 +65,17 @@ content:
         default: '0'
       default_view_mode: cards
       form_mode_bind: false
+      apply_to_preview: false
     third_party_settings: {  }
   status:
     type: boolean_checkbox
-    weight: 5
+    weight: 6
     region: content
     settings:
       display_label: true
     third_party_settings: {  }
   translation:
-    weight: 4
+    weight: 5
     region: content
     settings: {  }
     third_party_settings: {  }

config/core.entity_view_display.paragraph.stories.cards.yml

@@ -6,6 +6,7 @@ dependencies:
     - core.entity_view_mode.paragraph.cards
     - field.field.paragraph.stories.field_limit
     - field.field.paragraph.stories.field_node
+    - field.field.paragraph.stories.field_themes
     - field.field.paragraph.stories.field_title
     - field.field.paragraph.stories.paragraph_view_mode
     - paragraphs.paragraphs_type.stories
@@ -31,4 +32,5 @@ content:
 hidden:
   field_limit: true
   field_node: true
+  field_themes: true
   paragraph_view_mode: true

config/core.entity_view_display.paragraph.stories.cards_with_featured.yml

@@ -5,6 +5,8 @@ dependencies:
   config:
     - core.entity_view_mode.paragraph.cards_with_featured
     - field.field.paragraph.stories.field_limit
+    - field.field.paragraph.stories.field_node
+    - field.field.paragraph.stories.field_themes
     - field.field.paragraph.stories.field_title
     - field.field.paragraph.stories.paragraph_view_mode
     - paragraphs.paragraphs_type.stories
@@ -30,4 +32,5 @@ content:
 hidden:
   field_limit: true
   field_node: true
+  field_themes: true
   paragraph_view_mode: true

config/core.entity_view_display.paragraph.stories.default.yml

@@ -5,6 +5,7 @@ dependencies:
   config:
     - field.field.paragraph.stories.field_limit
     - field.field.paragraph.stories.field_node
+    - field.field.paragraph.stories.field_themes
     - field.field.paragraph.stories.field_title
     - field.field.paragraph.stories.paragraph_view_mode
     - paragraphs.paragraphs_type.stories
@@ -24,4 +25,5 @@ content:
 hidden:
   field_limit: true
   field_node: true
+  field_themes: true
   paragraph_view_mode: true

config/core.entity_view_display.paragraph.stories.teasers.yml

@@ -6,7 +6,9 @@ dependencies:
     - core.entity_view_mode.paragraph.teasers
     - field.field.paragraph.stories.field_limit
     - field.field.paragraph.stories.field_node
+    - field.field.paragraph.stories.field_themes
     - field.field.paragraph.stories.field_title
+    - field.field.paragraph.stories.paragraph_view_mode
     - paragraphs.paragraphs_type.stories
 id: paragraph.stories.teasers
 targetEntityType: paragraph
@@ -16,5 +18,6 @@ content: {  }
 hidden:
   field_limit: true
   field_node: true
+  field_themes: true
   field_title: true
   paragraph_view_mode: true

config/field.field.paragraph.stories.field_themes.yml

@@ -0,0 +1,29 @@
+uuid: bccb5284-4029-4b33-a5fc-a3d5abb9ea9b
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.paragraph.field_themes
+    - paragraphs.paragraphs_type.stories
+    - taxonomy.vocabulary.theme
+id: paragraph.stories.field_themes
+field_name: field_themes
+entity_type: paragraph
+bundle: stories
+label: Theme
+description: ''
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:taxonomy_term'
+  handler_settings:
+    target_bundles:
+      theme: theme
+    sort:
+      field: name
+      direction: asc
+    auto_create: false
+    auto_create_bundle: ''
+field_type: entity_reference

config/field.storage.paragraph.field_themes.yml

@@ -0,0 +1,20 @@
+uuid: 5b5105c9-bf9f-4ab1-97eb-10751e0ce898
+langcode: en
+status: true
+dependencies:
+  module:
+    - paragraphs
+    - taxonomy
+id: paragraph.field_themes
+field_name: field_themes
+entity_type: paragraph
+type: entity_reference
+settings:
+  target_type: taxonomy_term
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false

html/modules/custom/unocha_paragraphs/unocha_paragraphs.module

@@ -30,6 +30,18 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
   // Retrieve the featured stories.
   $featured = array_slice($paragraph->field_node?->referencedEntities() ?? [], 0, $limit, TRUE);
 
+  // Parameters for the "view all" link.
+  $view_all_query = [];
+
+  // Get selected themes.
+  $themes = $paragraph->field_themes?->referencedEntities() ?? [];
+  $themes_filter = [];
+  if (!empty($themes)) {
+    $theme_id = $themes[0]->id();
+    $themes_filter = ['field_theme', $theme_id, '='];
+    $view_all_query['themes'] = $theme_id;
+  }
+
   // Add the featured stories to the story list. They are ordered by delta so
   // reflect the order in the form.
   $stories = [];
@@ -38,16 +50,14 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
   }
   $limit = $limit - count($stories);
 
-  // Parameters for the "view all" link.
-  $view_all_query = [];
-
   // Filter the stories based on the parent entity.
   if ($limit > 0) {
     if (isset($parent) && $parent instanceof NodeInterface && !empty($parent->id())) {
       if ($parent->bundle() === 'response') {
         // Get the stories tagged with the response.
         $stories += unocha_paragraphs_get_stories([
           ['field_responses', $parent->id(), '='],
+          $themes_filter,
         ], $limit, $stories);
 
         // Filter the News and Stories page by the response.
@@ -60,6 +70,7 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
           if (isset($region) && $region->bundle() === 'region') {
             $stories += unocha_paragraphs_get_stories([
               ['field_regions', $region->id(), '='],
+              $themes_filter,
             ], $limit - count($stories), $stories);
 
             // Also add the region as filter to have consistent results in the
@@ -72,6 +83,7 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
         // Get the stories tagged with the region.
         $stories += unocha_paragraphs_get_stories([
           ['field_regions', $parent->id(), '='],
+          $themes_filter,
         ], $limit, $stories);
 
         // Filter the News and Stories page by the region.
@@ -106,6 +118,7 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
         // Exclude the current story so we can show related ones only.
         $exclude = array_merge($stories, $parent->bundle() === 'story' ? [$parent] : []);
 
+        $conditions[] = $themes_filter;
         $stories += unocha_paragraphs_get_stories($conditions, $limit, $exclude);
       }
     }
@@ -114,7 +127,9 @@ function unocha_paragraphs_preprocess_paragraph__stories(array &$variables) {
     // paragraph doesn't yet have a parent as it's not yet saved.
     // @todo add disclaimer in the preview in the form?
     else {
-      $stories += unocha_paragraphs_get_stories([], $limit, $stories);
+      $stories += unocha_paragraphs_get_stories([
+        $themes_filter,
+      ], $limit, $stories);
     }
   }