From 5b8a4e2634c00c32e90fc3d77aac5567d2875eb4 Mon Sep 17 00:00:00 2001
From: Florian Brinkmann <florian.brinkmann@visuellverstehen.de>
Date: Tue, 14 May 2024 09:56:44 +0200
Subject: [PATCH] feat: add validation replacements to replicator and grid
 field types

---
 src/Fieldtypes/AddValidationReplacements.php | 25 ++++++++++++++++++++
 src/Fieldtypes/Grid.php                      |  7 +++++-
 src/Fieldtypes/Replicator.php                |  7 +++++-
 3 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 src/Fieldtypes/AddValidationReplacements.php

diff --git a/src/Fieldtypes/AddValidationReplacements.php b/src/Fieldtypes/AddValidationReplacements.php
new file mode 100644
index 0000000000..5a34eb99cb
--- /dev/null
+++ b/src/Fieldtypes/AddValidationReplacements.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Statamic\Fieldtypes;
+
+use Statamic\Entries\Entry;
+use Statamic\Fields\Field;
+use Statamic\Fields\Validator;
+
+trait AddValidationReplacements
+{
+    protected function addEntryValidationReplacements(Field $field, Validator $rules): Validator
+    {
+        $fieldParent = $field->parent();
+
+        if (! $fieldParent instanceof Entry) {
+            return $rules;
+        }
+
+        return $rules->withReplacements([
+            'id' => $fieldParent->id(),
+            'collection' => $fieldParent->collection()->handle(),
+            'site' => $fieldParent->locale(),
+        ]);
+    }
+}
diff --git a/src/Fieldtypes/Grid.php b/src/Fieldtypes/Grid.php
index 5f4783d586..ea3f1d5328 100644
--- a/src/Fieldtypes/Grid.php
+++ b/src/Fieldtypes/Grid.php
@@ -14,6 +14,8 @@
 
 class Grid extends Fieldtype
 {
+    use AddValidationReplacements;
+
     protected $categories = ['structured'];
     protected $defaultable = false;
     protected $defaultValue = [];
@@ -159,7 +161,10 @@ protected function rowRules($data, $index)
             ->validator()
             ->withContext([
                 'prefix' => $this->field->validationContext('prefix').$this->rowRuleFieldPrefix($index).'.',
-            ])
+            ]);
+
+        $rules = $this
+            ->addEntryValidationReplacements($this->field, $rules)
             ->rules();
 
         return collect($rules)->mapWithKeys(function ($rules, $handle) use ($index) {
diff --git a/src/Fieldtypes/Replicator.php b/src/Fieldtypes/Replicator.php
index a437022e07..96f6b4a857 100644
--- a/src/Fieldtypes/Replicator.php
+++ b/src/Fieldtypes/Replicator.php
@@ -15,6 +15,8 @@
 
 class Replicator extends Fieldtype
 {
+    use AddValidationReplacements;
+
     protected $categories = ['structured'];
     protected $defaultValue = [];
     protected $rules = ['array'];
@@ -138,7 +140,10 @@ protected function setRules($handle, $data, $index)
             ->validator()
             ->withContext([
                 'prefix' => $this->field->validationContext('prefix').$this->setRuleFieldPrefix($index).'.',
-            ])
+            ]);
+
+        $rules = $this
+            ->addEntryValidationReplacements($this->field, $rules)
             ->rules();
 
         return collect($rules)->mapWithKeys(function ($rules, $handle) use ($index) {