1 files changed, 128 insertions, 0 deletions
diff --git a/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Service/Schema/Table.php b/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Service/Schema/Table.php
new file mode 100644
index 00000000..1f464a45
--- /dev/null
+++ b/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Service/Schema/Table.php
@@ -0,0 +1,128 @@
+<?php
+
+namespace Civi\Api4\Service\Schema;
+
+use Civi\Api4\Service\Schema\Joinable\Joinable;
+
+class Table {
+
+  /**
+   * @var string
+   */
+  protected $name;
+
+  /**
+   * @var Joinable[]
+   *   Array of links to other tables
+   */
+  protected $tableLinks = [];
+
+  /**
+   * @param $name
+   */
+  public function __construct($name) {
+    $this->name = $name;
+  }
+
+  /**
+   * @return string
+   */
+  public function getName() {
+    return $this->name;
+  }
+
+  /**
+   * @param string $name
+   *
+   * @return $this
+   */
+  public function setName($name) {
+    $this->name = $name;
+
+    return $this;
+  }
+
+  /**
+   * @return Joinable[]
+   */
+  public function getTableLinks() {
+    return $this->tableLinks;
+  }
+
+  /**
+   * @return Joinable[]
+   *   Only those links that are not joining the table to itself
+   */
+  public function getExternalLinks() {
+    return array_filter($this->tableLinks, function (Joinable $joinable) {
+      return $joinable->getTargetTable() !== $this->getName();
+    });
+  }
+
+  /**
+   * @param Joinable $linkToRemove
+   */
+  public function removeLink(Joinable $linkToRemove) {
+    foreach ($this->tableLinks as $index => $link) {
+      if ($link === $linkToRemove) {
+        unset($this->tableLinks[$index]);
+      }
+    }
+  }
+
+  /**
+   * @param string $baseColumn
+   * @param Joinable $joinable
+   *
+   * @return $this
+   */
+  public function addTableLink($baseColumn, Joinable $joinable) {
+    $target = $joinable->getTargetTable();
+    $targetCol = $joinable->getTargetColumn();
+    $alias = $joinable->getAlias();
+
+    if (!$this->hasLink($target, $targetCol, $alias)) {
+      if (!$joinable->getBaseTable()) {
+        $joinable->setBaseTable($this->getName());
+      }
+      if (!$joinable->getBaseColumn()) {
+        $joinable->setBaseColumn($baseColumn);
+      }
+      $this->tableLinks[] = $joinable;
+    }
+
+    return $this;
+  }
+
+  /**
+   * @param mixed $tableLinks
+   *
+   * @return $this
+   */
+  public function setTableLinks($tableLinks) {
+    $this->tableLinks = $tableLinks;
+
+    return $this;
+  }
+
+  /**
+   * @param $target
+   * @param $targetCol
+   * @param $alias
+   *
+   * @return bool
+   */
+  private function hasLink($target, $targetCol, $alias) {
+    foreach ($this->tableLinks as $link) {
+      if ($link->getTargetTable() === $target
+        && $link->getTargetColumn() === $targetCol
+        && $link->getAlias() === $alias
+      ) {
+        return TRUE;
+      }
+    }
+
+    return FALSE;
+  }
+
+}