ElkArte\AdminController\ManageAttachments::action_repair()

Complexity

Conditions	41
Paths	7680

Size

Total Lines	256
Code Lines	122

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	1722

Importance

Changes

0

<?php
	public function action_repair()
	{
		global $modSettings, $context, $txt;

		checkSession('get');

		// If we choose cancel, redirect right back.
		if (isset($this->_req->post->cancel))
		{
			redirectexit('action=admin;area=manageattachments;sa=maintenance');
		}

		// Try give us a while to sort this out...
		detectServer()->setTimeLimit(600);

		$this->step = $this->_req->getQuery('step', 'intval', 0);
		$this->substep = $this->_req->getQuery('substep', 'intval', 0);
		$this->starting_substep = $this->substep;

		// Don't recall the session just in case.
		if ($this->step === 0 && $this->substep === 0)
		{
			unset($_SESSION['attachments_to_fix'], $_SESSION['attachments_to_fix2']);

			// If we're actually fixing stuff - work out what.
			if (isset($this->_req->query->fixErrors))
			{
				// Nothing?
				if (empty($this->_req->post->to_fix))
				{
					redirectexit('action=admin;area=manageattachments;sa=maintenance');
				}

				foreach ($this->_req->post->to_fix as $value)
				{
					$_SESSION['attachments_to_fix'][] = $value;
				}
			}
		}

		// All the valid problems are here:
		$context['repair_errors'] = [
			'missing_thumbnail_parent' => 0,
			'parent_missing_thumbnail' => 0,
			'file_missing_on_disk' => 0,
			'file_wrong_size' => 0,
			'file_size_of_zero' => 0,
			'attachment_no_msg' => 0,
			'avatar_no_member' => 0,
			'wrong_folder' => 0,
			'missing_extension' => 0,
			'files_without_attachment' => 0,
		];

		$to_fix = empty($_SESSION['attachments_to_fix']) ? array() : $_SESSION['attachments_to_fix'];
		$context['repair_errors'] = $_SESSION['attachments_to_fix2'] ?? $context['repair_errors'];
		$fix_errors = isset($this->_req->query->fixErrors);

		// Get stranded thumbnails.
		if ($this->step <= 0)
		{
			$thumbnails = getMaxThumbnail();

			for (; $this->substep < $thumbnails; $this->substep += 500)
			{
				$removed = findOrphanThumbnails($this->substep, $fix_errors, $to_fix);
				$context['repair_errors']['missing_thumbnail_parent'] += count($removed);

				pauseAttachmentMaintenance($to_fix, $thumbnails, $this->starting_substep, $this->substep, $this->step, $fix_errors);
			}

			// Done here, on to the next
			$this->step = 1;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// Find parents which think they have thumbnails, but actually, don't.
		if ($this->step <= 1)
		{
			$thumbnails = maxNoThumb();

			for (; $this->substep < $thumbnails; $this->substep += 500)
			{
				$to_update = findParentsOrphanThumbnails($this->substep, $fix_errors, $to_fix);
				$context['repair_errors']['parent_missing_thumbnail'] += count($to_update);

				pauseAttachmentMaintenance($to_fix, $thumbnails, $this->starting_substep, $this->substep, $this->step, $fix_errors);
			}

			// Another step done, but many to go
			$this->step = 2;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// This may take forever I'm afraid, but life sucks... recount EVERY attachments!
		if ($this->step <= 2)
		{
			$thumbnails = maxAttachment();

			for (; $this->substep < $thumbnails; $this->substep += 250)
			{
				$repair_errors = repairAttachmentData($this->substep, $fix_errors, $to_fix);

				foreach ($repair_errors as $key => $value)
				{
					$context['repair_errors'][$key] += $value;
				}

				pauseAttachmentMaintenance($to_fix, $thumbnails, $this->starting_substep, $this->substep, $this->step, $fix_errors);
			}

			// And onward we go
			$this->step = 3;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// Get avatars with no members associated with them.
		if ($this->step <= 3)
		{
			$thumbnails = maxAttachment();

			for (; $this->substep < $thumbnails; $this->substep += 500)
			{
				$to_remove = findOrphanAvatars($this->substep, $fix_errors, $to_fix);
				$context['repair_errors']['avatar_no_member'] += count($to_remove);

				pauseAttachmentMaintenance($to_fix, $thumbnails, $this->starting_substep, $this->substep, $this->step, $fix_errors);
			}

			$this->step = 4;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// What about attachments, who are missing a message :'(
		if ($this->step <= 4)
		{
			$thumbnails = maxAttachment();

			for (; $this->substep < $thumbnails; $this->substep += 500)
			{
				$to_remove = findOrphanAttachments($this->substep, $fix_errors, $to_fix);
				$context['repair_errors']['attachment_no_msg'] += count($to_remove);

				pauseAttachmentMaintenance($to_fix, $thumbnails, $this->starting_substep, $this->substep, $this->step, $fix_errors);
			}

			$this->step = 5;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// What about files who are not recorded in the database?
		if ($this->step <= 5)
		{
			// Just use the current path for temp files.
			if (!is_array($modSettings['attachmentUploadDir']))
			{
				$modSettings['attachmentUploadDir'] = Util::unserialize($modSettings['attachmentUploadDir']);
			}

			$attach_dirs = $modSettings['attachmentUploadDir'];
			$current_check = 0;
			$max_checks = 500;
			$attachment_count = getAttachmentCountFromDisk();

			$files_checked = empty($this->substep) ? 0 : $this->substep;
			foreach ($attach_dirs as $attach_dir)
			{
				try
				{
					$files = new FilesystemIterator($attach_dir, FilesystemIterator::SKIP_DOTS);
					foreach ($files as $file)
					{
						if ($file->getFilename() === '.htaccess')
						{
							continue;
						}

						if ($files_checked <= $current_check)
						{
							// Temporary file, get rid of it!
							if (strpos($file->getFilename(), 'post_tmp_') !== false)
							{
								// Temp file is more than 5 hours old!
								if ($file->getMTime() < time() - 18000)
								{
									$this->file_functions->delete($file->getPathname());
								}
							}
							// That should be an attachment, let's check if we have it in the database
							elseif (strpos($file->getFilename(), '_') !== false)
							{
								$attachID = (int) substr($file->getFilename(), 0, strpos($file->getFilename(), '_'));
								if ($attachID !== 0 && !validateAttachID($attachID))
								{
									if ($fix_errors && in_array('files_without_attachment', $to_fix))
									{
										$this->file_functions->delete($file->getPathname());
									}
									else
									{
										$context['repair_errors']['files_without_attachment']++;
									}
								}
							}
							elseif ($file->getFilename() !== 'index.php' && !$file->isDir())
							{
								if ($fix_errors && in_array('files_without_attachment', $to_fix, true))
								{
									$this->file_functions->delete($file->getPathname());
								}
								else
								{
									$context['repair_errors']['files_without_attachment']++;
								}
							}
						}

						$current_check++;
						$this->substep = $current_check;

						if ($current_check - $files_checked >= $max_checks)
						{
							pauseAttachmentMaintenance($to_fix, $attachment_count, $this->starting_substep, $this->substep, $this->step, $fix_errors);
						}
					}
				}
				catch (UnexpectedValueException)
				{
					// @todo for now do nothing...
				}
			}

			$this->step = 5;
			$this->substep = 0;
			pauseAttachmentMaintenance($to_fix, 0, $this->starting_substep, $this->substep, $this->step, $fix_errors);
		}

		// Got here we must be doing well - just the template! :D
		$context['page_title'] = $txt['repair_attachments'];
		$context[$context['admin_menu_name']]['current_subsection'] = 'maintenance';
		$context['sub_template'] = 'attachment_repair';

		// What stage are we at?
		$context['completed'] = $fix_errors;
		$context['errors_found'] = false;
		foreach ($context['repair_errors'] as $number)
		{
			if (!empty($number))
			{
				$context['errors_found'] = true;
				break;
			}