initial commit

app/Services/Validators/ContactValidator.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Validators;
+
+use App\Data\Contact;
+use Illuminate\Support\Arr;
+use Illuminate\Validation\Rule;
+
+final class ContactValidator
+{
+    /**
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'email' => ['required', 'string', 'email:rfc', 'max:254'],
+            'first_name' => ['nullable', 'string', 'max:100'],
+            'last_name' => ['nullable', 'string', 'max:100'],
+        ];
+    }
+
+    /**
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rulesForStore(): array
+    {
+        return $this->rulesForRequest(unique: true);
+    }
+
+    /**
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rulesForUpdate(Contact $contact): array
+    {
+        return $this->rulesForRequest(unique: true, ignore: $contact);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    public function messages(): array
+    {
+        return [
+            'first_name.max' => 'First name may not be greater than 100 characters.',
+            'last_name.max' => 'Last name may not be greater than 100 characters.',
+            'email.required' => 'Email is required.',
+            'email.email' => 'Email must be a valid email address.',
+            'email.max' => 'Email may not be greater than 254 characters.',
+            'email.unique' => 'Email has already been taken.',
+        ];
+    }
+
+    /**
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    private function rulesForRequest(bool $unique, ?Contact $ignore = null): array
+    {
+        $rules = $this->rules();
+        /**
+         * @var array<string> $emailRules
+         */
+        $emailRules = Arr::pull($rules, 'email');
+
+        if ($unique) {
+            $rule = Rule::unique('contacts', 'email');
+            if ($ignore !== null) {
+                $rule = $rule->ignore($ignore->uuid->toString());
+            }
+            $emailRules[] = $rule;
+        }
+
+        /** @var array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string> $result */
+        $result = [
+            ...$rules,
+            'email' => $emailRules,
+        ];
+
+        return $result;
+    }
+}