public function testCreateAndUpdatePage()
{
$page = new Page();
$page->content = "My content";
$page->setJsonAttribute('metadata', 'title', "My page title");
$page->setJsonAttribute('metadata', 'tags', ['foo', 'bar']);
$page->save();
$page->content = "I've updated my content";
$page->setJsonAttribute('metadata', 'title', "My page title has changed also");
$page->setJsonAttribute('metadata', 'tags', ['bar', 'fizz']);
$page->save();
$this->assertEquals(1, Page::count());
$fetchedPage = Page::first();
$this->assertEquals(2, PageRevision::count());
$fetchedRevision = PageRevision::orderBy('revision_id', 'DESC')->first();
$array = $fetchedRevision->attributesToArray();
$this->logger->info("Attributes", $array);
$this->logger->info("page_id", [$fetchedRevision->page_id]);
$this->assertEquals($fetchedRevision->page_id, $fetchedPage->id, "Page id is preserved");
}
public static function boot()
{
parent::boot();
static::creating(function ($page) {
$slugifier = new Slugify();
$page->setJsonAttribute('metadata', 'author', UserProvider::getCurrentUserId());
$page->setJsonAttribute('metadata', 'slug', $slugifier->slugify($page->title));
});
static::created(function ($page) {
$revision = new PageRevision();
$revision->page_id = $page->id;
$revision->revision_id = 0;
$dmp = new DiffMatchPatch();
// Content patch
$contentPatches = $dmp->patch_make("", $page->content);
$revision->content_patch = $dmp->patch_toText($contentPatches);
// Metadata patch
$revision->metadata_patch = json_encode(JsonPatch::diff([], json_decode($page->metadata, 1)));
$revision->author = UserProvider::getCurrentUserId();
$revision->created_at = Carbon::now();
$revision->save();
});
static::updating(function ($updatingPage) {
// Get the page again from DB so we are sure we have up-to-date content to make the diff from
$page = Page::find($updatingPage->id);
$lastRevision = PageRevision::where('page_id', $page->id)->orderBy('revision_id', 'DESC')->firstOrFail();
$revision = new PageRevision();
$revision->page_id = $page->id;
$revision->revision_id = $lastRevision->revision_id + 1;
$dmp = new DiffMatchPatch();
// Content patch
$contentPatches = $dmp->patch_make($page->getOriginal('content'), $updatingPage->content);
$revision->content_patch = $dmp->patch_toText($contentPatches);
// Metadata patch
$revision->metadata_patch = json_encode(JsonPatch::diff(json_decode($page->metadata, 1), json_decode($updatingPage->metadata, 1)));
$revision->author = UserProvider::getCurrentUserId();
$revision->created_at = Carbon::now();
$revision->save();
});
}
