SilverStripe\AssetAdmin\Controller\AssetAdmin::apiHistory()

Complexity

Conditions	16
Paths	231

Size

Total Lines	88
Code Lines	51

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function apiHistory(HTTPRequest $request)
    {
        // CSRF check not required as the GET request has no side effects.
        $fileId = $request->getVar('fileId');

        if (!$fileId || !is_numeric($fileId)) {
            return new HTTPResponse(null, 400);
        }

        $class = File::class;
        $file = DataObject::get($class)->byID($fileId);

        if (!$file) {
            return new HTTPResponse(null, 404);
        }

        if (!$file->canView()) {
            return new HTTPResponse(null, 403);
        }

        $versions = Versioned::get_all_versions($class, $fileId)
            ->limit($this->config()->max_history_entries)
            ->sort('Version', 'DESC');

        $output = array();
        $next = array();
        $prev = null;

        // swap the order so we can get the version number to compare against.
        // i.e version 3 needs to know version 2 is the previous version
        $copy = $versions->map('Version', 'Version')->toArray();
        foreach (array_reverse($copy) as $k => $v) {
            if ($prev) {
                $next[$v] = $prev;
            }

            $prev = $v;
        }

        $_cachedMembers = array();

        /** @var File $version */
        foreach ($versions as $version) {
            $author = null;

            if ($version->AuthorID) {
                if (!isset($_cachedMembers[$version->AuthorID])) {
                    $_cachedMembers[$version->AuthorID] = DataObject::get(Member::class)
                        ->byID($version->AuthorID);
                }

                $author = $_cachedMembers[$version->AuthorID];
            }

            if ($version->canView()) {
                if (isset($next[$version->Version])) {
                    $summary = $version->humanizedChanges(
                        $version->Version,
                        $next[$version->Version]
                    );

                    // if no summary returned by humanizedChanges, i.e we cannot work out what changed, just show a
                    // generic message
                    if (!$summary) {
                        $summary = _t('SilverStripe\\AssetAdmin\\Controller\\AssetAdmin.SAVEDFILE', "Saved file");
                    }
                } else {
                    $summary = _t('SilverStripe\\AssetAdmin\\Controller\\AssetAdmin.UPLOADEDFILE', "Uploaded file");
                }

                $output[] = array(
                    'versionid' => $version->Version,
                    'date_ago' => $version->dbObject('LastEdited')->Ago(),
                    'date_formatted' => $version->dbObject('LastEdited')->Nice(),
                    'status' => ($version->WasPublished) ? _t('File.PUBLISHED', 'Published') : '',
                    'author' => ($author)
                        ? $author->Name
                        : _t('SilverStripe\\AssetAdmin\\Controller\\AssetAdmin.UNKNOWN', "Unknown"),
                    'summary' => ($summary)
                        ? $summary
                        : _t('SilverStripe\\AssetAdmin\\Controller\\AssetAdmin.NOSUMMARY', "No summary available")
                );
            }
        }

        return
            (new HTTPResponse(json_encode($output)))->addHeader('Content-Type', 'application/json');
    }