acf

plugins/system/acf/ACF/Helpers/Fields/Articles.php

@@ -0,0 +1,172 @@
+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            http://www.tassos.gr
+ * @copyright       Copyright © 2021 Tassos Marinos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+ */
+
+namespace ACF\Helpers\Fields;
+
+defined('_JEXEC') or die;
+
+use YOOtheme\Builder\Joomla\Fields\Type\FieldsType;
+use YOOtheme\Builder\Joomla\Source\ArticleHelper;
+use Joomla\CMS\Factory;
+
+class Articles
+{
+	/**
+	 * Returns the YooTheme type.
+	 * 
+	 * If this accepts one image:
+	 * - Tells YooTheme to use the default type for the dropdown mapping option.
+	 * 
+	 * If this accepts multiple images:
+	 * - Tells YooTheme to only return the value of this field in the dropdown mapping option.
+	 * 
+	 * @param   object  $field
+	 * @param   object  $source
+	 * 
+	 * @return  array
+	 */
+	public static function getYooType($field = [], $source = [])
+	{
+		if ($field->only_use_in_subform === 1)
+		{
+			return;
+		}
+
+		$max_articles = (int) $field->fieldparams->get('max_articles', 0);
+		$multiple = $max_articles === 0 || $max_articles > 1;
+		return $multiple ? ['listOf' => 'Article'] : 'Article';
+	}
+
+	/**
+	 * Transforms the field value to an appropriate value that YooTheme can understand.
+	 * 
+	 * @return  array
+	 */
+	public static function yooResolve($item, $args, $ctx, $info)
+	{
+		$name = str_replace('String', '', strtr($info->fieldName, '_', '-'));
+
+		// Check if it's a subform field
+        $subfield = clone \ACF\Helpers\Yoo::getSubfield($args['field_id'], $args['context']);
+
+		// When we have a subform field, the $item is an array of values
+		if (!$subfield || !is_array($item))
+		{
+			if (!isset($item->id) || !($field = FieldsType::getField($name, $item, $args['context'])))
+			{
+				return;
+			}
+		}
+		else
+		{
+			// Set rawvalue
+			$subfield->rawvalue = isset($item["field{$args['field_id']}"]) ? $item["field{$args['field_id']}"] : '';
+
+			// Use the subform field
+			$field = $subfield;
+		}
+
+        $ids = $field->rawvalue;
+
+		$max_articles = 0;
+		$multiple = true;
+
+		// Handle Linked Articles
+		$field_type = $field->fieldparams->get('articles_type', 'default');
+		if ($field_type === 'linked')
+		{
+			
+			if (in_array($ids, ['1', 'true']))
+			{
+				$ids = self::getLinkedArticlesIDs($item->id, $field);
+			}
+			
+		}
+		else
+		{
+			$max_articles = (int) $field->fieldparams->get('max_articles', 0);
+			$multiple = $max_articles === 0 || $max_articles > 1;
+		}
+
+		if (is_scalar($ids))
+		{
+			$ids = [(int) $ids];
+		}
+
+        if (!is_array($ids))
+        {
+            return;
+        }
+
+		$value = ArticleHelper::get($ids);
+
+		if ($field->only_use_in_subform === 1)
+		{
+			$data = array_values(array_map(function($article) {
+				return $article->title;
+			}, $value));
+
+			return implode(', ', $data);
+		}
+		
+		if ($multiple)
+		{
+            return array_values(array_map(function ($value) {
+                return is_scalar($value) ? compact('value') : $value;
+            }, $value));
+        }
+		else
+		{
+            return array_shift($value);
+        }
+
+	}
+
+	
+	public static function getLinkedArticlesIDs($item_id = null, $field = [])
+	{
+		if (!$acf_articles = array_filter($field->fieldparams->get('articles_fields', [])))
+		{
+			return;
+		}
+
+		// Grab all linked articles
+		$db = Factory::getDbo();
+		$query = $db->getQuery(true);
+		
+		$query->select('a.id')
+			->from($db->quoteName('#__fields_values', 'fv'))
+			->join('LEFT', $db->quoteName('#__content', 'a') . ' ON a.id = fv.item_id')
+			->where($db->quoteName('fv.field_id') . ' IN (' . implode(',', $acf_articles) . ')')
+			->where($db->quoteName('fv.value') . ' = ' . $db->q($item_id));
+		
+		// Filter results
+        require_once JPATH_PLUGINS . '/fields/acfarticles/fields/acfarticlesfilters.php';
+		$payload = $field->fieldparams;
+        $filters = new \ACFArticlesFilters($query, $payload);
+		$query = $filters->apply();
+
+		// Set query
+		$db->setQuery($query);
+
+		// Get articles
+		if (!$articles = $db->loadAssocList())
+		{
+			return;
+		}
+
+		// Return article IDs
+		$articles = array_map(function($article) {
+			return $article['id'];
+		}, $articles);
+
+        return $articles;
+	}
+	
+}