adds validation for department names at Company locations

app/Models/Department.php

@@ -29,7 +29,7 @@ class Department extends SnipeModel
     ];
 
     protected $rules = [
-        'name'                  => 'required|max:255',
+        'name'                  => 'required|max:255|is_unique_department',
         'location_id'           => 'numeric|nullable',
         'company_id'            => 'numeric|nullable',
         'manager_id'            => 'numeric|nullable',

app/Providers/ValidationServiceProvider.php

@@ -2,8 +2,10 @@
 
 namespace App\Providers;
 
+use App\Models\Department;
 use DB;
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Validation\Rule;
 use Validator;
 
 /**
@@ -213,6 +215,23 @@ class ValidationServiceProvider extends ServiceProvider
                 return true;
             }
         });
+
+        Validator::extend('is_unique_department', function ($attribute, $value, $parameters, $validator) {
+            $data = $validator->getData();
+            if ($data['location_id'] != null && $data['company_id'] != null) {
+                $count = Department::where('name', $data['name'])
+                    ->where('location_id', $data['location_id'])
+                    ->where('company_id', $data['company_id'])
+                    ->whereNotNull('company_id')
+                    ->whereNotNull('location_id')
+                    ->count('name');
+
+                return $count < 1;
+            }
+            else {
+                return true;
+            }
+        });
     }
 
     /**

resources/lang/en/admin/departments/message.php

@@ -3,6 +3,7 @@
 return array(
 
     'does_not_exist' => 'Department does not exist.',
+    'department_already_exists' => 'A department already exists with that name at this company location. Or choose a more specific name for this department. ',
     'assoc_users'	 => 'This department is currently associated with at least one user and cannot be deleted. Please update your users to no longer reference this department and try again. ',
     'create' => array(
         'error'   => 'Department was not created, please try again.',

resources/lang/en/validation.php

@@ -49,6 +49,7 @@ return [
     'ip'                   => 'The :attribute must be a valid IP address.',
     'ipv4'                 => 'The :attribute must be a valid IPv4 address.',
     'ipv6'                 => 'The :attribute must be a valid IPv6 address.',
+    'is_unique_department' => 'The :attribute must be unique to this Company Location',
     'json'                 => 'The :attribute must be a valid JSON string.',
     'max'                  => [
         'numeric' => 'The :attribute may not be greater than :max.',