on home display count villes & themes #1306. Added programme's logo from content (instead of css #1415

web/modules/custom/popsu_programme/src/Plugin/Field/FieldType/ComputedProjetsReferences.php

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+<?php
+
+namespace Drupal\popsu_programme\Plugin\Field\FieldType;
+
+use Drupal\Core\Entity\FieldableEntityInterface;
+use Drupal\Core\Field\EntityReferenceFieldItemList;
+use Drupal\Core\Field\EntityReferenceFieldItemListInterface;
+use Drupal\Core\Field\FieldItemList;
+use Drupal\Core\TypedData\TypedDataInterface;
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\Core\TypedData\ComputedItemListTrait;
+
+// https://www.drupal.org/node/2112677
+// https://www.cornel.co/article/entity-reference-computed-field-example-drupal
+// https://www.caxy.com/blog/drupal-custom-form-and-computed-fields
+
+class ComputedProjetsReferences extends EntityReferenceFieldItemList
+{
+  use ComputedItemListTrait;
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(BaseFieldDefinition $definition, $name, TypedDataInterface $parent) {
+    parent::__construct($definition, $name, $parent);
+    $this->entityTypeManager = \Drupal::entityTypeManager();
+  }
+
+  /**
+   * Compute the values.
+   */
+  protected function computeValue() {
+    // $query = \Drupal::entityQuery('node')
+    $entity = $this->getEntity();
+    $storage = \Drupal::service('entity_type.manager')->getStorage('node');
+    $query = $storage->getQuery()
+      ->condition('status', 1)
+      ->condition('type', 'projet')
+      ->condition('field_programme', $entity->id());
+    $results = $query->execute();
+    if ($results) {
+      $nids = array_values($results);
+      $i = 0;
+      foreach ($nids as $key => $nid) {
+        $this->list[$i] = $this->createItem($i, $nid);
+        $i++;
+      }
+    }
+  }
+
+}

web/modules/custom/popsu_programme/src/Plugin/Field/FieldType/ComputedThemesReferences.php

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+<?php
+
+namespace Drupal\popsu_programme\Plugin\Field\FieldType;
+
+use Drupal\Core\Entity\FieldableEntityInterface;
+use Drupal\Core\Field\EntityReferenceFieldItemList;
+use Drupal\Core\Field\EntityReferenceFieldItemListInterface;
+use Drupal\Core\Field\FieldItemList;
+use Drupal\Core\TypedData\TypedDataInterface;
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\Core\TypedData\ComputedItemListTrait;
+
+// https://www.drupal.org/node/2112677
+// https://www.cornel.co/article/entity-reference-computed-field-example-drupal
+// https://www.caxy.com/blog/drupal-custom-form-and-computed-fields
+
+class ComputedThemesReferences extends EntityReferenceFieldItemList
+{
+  use ComputedItemListTrait;
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(BaseFieldDefinition $definition, $name, TypedDataInterface $parent) {
+    parent::__construct($definition, $name, $parent);
+    $this->entityTypeManager = \Drupal::entityTypeManager();
+  }
+
+  /**
+   * Compute the values.
+   */
+  protected function computeValue() {
+    // $query = \Drupal::entityQuery('node')
+    $entity = $this->getEntity();
+    $storage = \Drupal::service('entity_type.manager')->getStorage('node');
+    $query = $storage->getQuery()
+      ->condition('status', 1)
+      ->condition('type', 'theme')
+      ->condition('field_programme', $entity->id());
+    $results = $query->execute();
+    if ($results) {
+      $nids = array_values($results);
+      $i = 0;
+      foreach ($nids as $key => $nid) {
+        $this->list[$i] = $this->createItem($i, $nid);
+        $i++;
+      }
+    }
+  }
+
+}

web/modules/custom/popsu_programme/src/Plugin/views/field/ViewsComputedProjetsReference.php

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+<?php
+
+namespace Drupal\popsu_programme\Plugin\views\field;
+
+use Drupal\views\ResultRow;
+use Drupal\views\Plugin\views\field\FieldPluginBase;
+
+/**
+ * A handler to provide proper displays for profile current company.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsField("views_computed_projets_reference")
+ */
+class ViewsComputedProjetsReference extends FieldPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function render(ResultRow $values) {
+    $relationship_entities = $values->_relationship_entities;
+    $projets = null;
+    // First check the referenced entity.
+    if (isset($relationship_entities['node'])) {
+      $node = $relationship_entities['node'];
+    }
+    else {
+      $node = $values->_entity;
+    }
+
+    $type = get_class($node);
+    if ($type === 'Drupal\node\Entity\Node') {
+      $projets = $node->get('computed_projets_references')->getvalue();
+    }
+
+    return count($projets) . ' villes';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    // This function exists to override parent query function.
+    // Do nothing.
+  }
+}

web/modules/custom/popsu_programme/src/Plugin/views/field/ViewsComputedThemesReference.php

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+<?php
+
+namespace Drupal\popsu_programme\Plugin\views\field;
+
+use Drupal\views\ResultRow;
+use Drupal\views\Plugin\views\field\FieldPluginBase;
+
+/**
+ * A handler to provide proper displays for profile current company.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsField("views_computed_themes_reference")
+ */
+class ViewsComputedThemesReference extends FieldPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function render(ResultRow $values) {
+    $relationship_entities = $values->_relationship_entities;
+    $themes = null;
+    // First check the referenced entity.
+    if (isset($relationship_entities['node'])) {
+      $node = $relationship_entities['node'];
+    }
+    else {
+      $node = $values->_entity;
+    }
+
+    $type = get_class($node);
+    if ($type === 'Drupal\node\Entity\Node') {
+      $themes = $node->get('computed_themes_references')->getvalue();
+    }
+
+    return count($themes) . ' themes';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    // This function exists to override parent query function.
+    // Do nothing.
+  }
+}