From 4e5340cac10c05a3a21d8301e252958a40f702fd Mon Sep 17 00:00:00 2001
From: Jitendra Purohit <jitendra@fuzion.co.nz>
Date: Mon, 22 Apr 2019 12:46:04 +0530
Subject: [PATCH] dev/drupal#58 - Add Contact ID operator to the contact
 reference filter added in drupal view

---
 .../civicrm_handler_filter_contact_ref.inc    | 29 +++++++++++++++++--
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/modules/views/civicrm/civicrm_handler_filter_contact_ref.inc b/modules/views/civicrm/civicrm_handler_filter_contact_ref.inc
index a8a26ef75..3cfa481b0 100644
--- a/modules/views/civicrm/civicrm_handler_filter_contact_ref.inc
+++ b/modules/views/civicrm/civicrm_handler_filter_contact_ref.inc
@@ -43,13 +43,36 @@ class civicrm_handler_filter_contact_ref extends views_handler_filter_string {
     $this->filterContactRef($field);
   }
 
+  /**
+   * @param string $field
+   */
+  public function op_contact_id($field) {
+    $this->operator = '=';
+    $this->filterContactRef($field, 'id');
+  }
+
+  /**
+   * Add Contact ID to the list of operators.
+   */
+  public function operators() {
+    $op = parent::operators();
+    $op['contact_id'] = [
+      'title' => t('Contact ID'),
+      'short' => t('contact_id'),
+      'method' => 'op_contact_id',
+      'values' => 1,
+    ];
+    return $op;
+  }
+
   /**
    * Adds where clause to the view query to filter
-   * by contact sort_name instead of id.
+   * by contact sort_name OR id based on operator selected.
    *
    * @param string $field
+   * @param string $fieldName
    */
-  public function filterContactRef($field) {
+  public function filterContactRef($field, $fieldName = 'sort_name') {
     if (!empty($this->value)) {
       $op = $this->operator;
       if ($this->operator != '=' && $this->operator != '!=') {
@@ -58,7 +81,7 @@ class civicrm_handler_filter_contact_ref extends views_handler_filter_string {
       }
       $contacts = db_select('civicrm_contact', 'cc')
         ->fields('cc', array('id'))
-        ->condition('cc.sort_name', $this->value, $op);
+        ->condition("cc.{$fieldName}", $this->value, $op);
 
       $this->query->add_where($this->options['group'], $field, $contacts, 'IN');
     }