Refactor and add importer to Installer module #443 (#444)

* Refactor and add importer to Installer module #443

* Refactor for finances to use in import

* Import groups into roles

* Formatting

* Formatting

* Add interface in installer for import

* Notes about importing

* Check for installer folder

* Formatting

* Fix pirep->user mapping

* Unused import

* Formatting

app/Services/RoleService.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Services;
+
+use App\Contracts\Service;
+use App\Models\Role;
+use App\Repositories\RoleRepository;
+
+class RoleService extends Service
+{
+    private $roleRepo;
+
+    public function __construct(RoleRepository $roleRepo)
+    {
+        $this->roleRepo = $roleRepo;
+    }
+
+    /**
+     * Update a role with the given attributes
+     *
+     * @param Role  $role
+     * @param array $attrs
+     *
+     * @return Role
+     */
+    public function updateRole(Role $role, array $attrs)
+    {
+        $role->update($attrs);
+        $role->save();
+
+        return $role;
+    }
+
+    /**
+     * @param Role  $role
+     * @param array $permissions
+     */
+    public function setPermissionsForRole(Role $role, array $permissions)
+    {
+        // Update the permissions, filter out null/invalid values
+        $perms = collect($permissions)->filter(static function ($v, $k) {
+            return $v;
+        });
+
+        $role->permissions()->sync($perms);
+    }
+}