src/applications/config/controller/services/PhabricatorConfigPurgeCacheController.php

   1 <?php
   2
   3 final class PhabricatorConfigPurgeCacheController
   4   extends PhabricatorConfigController {
   5
   6   public function handleRequest(AphrontRequest $request) {
   7     $viewer = $this->getViewer();
   8     $cancel_uri = $this->getApplicationURI('cache/');
   9
  10     $opcode_cache = PhabricatorOpcodeCacheSpec::getActiveCacheSpec();
  11     $data_cache = PhabricatorDataCacheSpec::getActiveCacheSpec();
  12
  13     $opcode_clearable = $opcode_cache->getClearCacheCallback();
  14     $data_clearable = $data_cache->getClearCacheCallback();
  15
  16     if (!$opcode_clearable && !$data_clearable) {
  17       return $this->newDialog()
  18         ->setTitle(pht('No Caches to Reset'))
  19         ->appendParagraph(
  20           pht('None of the caches on this page can be cleared.'))
  21         ->addCancelButton($cancel_uri);
  22     }
  23
  24     if ($request->isDialogFormPost()) {
  25       if ($opcode_clearable) {
  26         call_user_func($opcode_cache->getClearCacheCallback());
  27       }
  28
  29       if ($data_clearable) {
  30         call_user_func($data_cache->getClearCacheCallback());
  31       }
  32
  33       return id(new AphrontRedirectResponse())->setURI($cancel_uri);
  34     }
  35
  36     $caches = id(new PHUIPropertyListView())
  37       ->setUser($viewer);
  38
  39     if ($opcode_clearable) {
  40       $caches->addProperty(
  41         pht('Opcode'),
  42         $opcode_cache->getName());
  43     }
  44
  45     if ($data_clearable) {
  46       $caches->addProperty(
  47         pht('Data'),
  48         $data_cache->getName());
  49     }
  50
  51     return $this->newDialog()
  52       ->setTitle(pht('Really Clear Cache?'))
  53       ->setShortTitle(pht('Really Clear Cache'))
  54       ->appendParagraph(pht('This will only affect the current web '.
  55       'frontend. Daemons and any other web frontends may continue '.
  56       'to use older, cached code from their opcache.'))
  57       ->appendParagraph(pht('The following caches will be cleared:'))
  58       ->appendChild($caches)
  59       ->addSubmitButton(pht('Clear Cache'))
  60       ->addCancelButton($cancel_uri);
  61   }
  62 }