public static function boot()
{
parent::boot();
static::creating(function ($object) {
$object->setJsonAttribute('metadata', 'author', UserProvider::getCurrentUserId());
});
static::created(function ($object) {
$revision = new ObjectRevision();
$revision->object_id = $object->id;
$revision->revision_id = 0;
// Data patch
$revision->data_patch = json_encode(JsonPatch::diff([], json_decode($object->data, 1)));
// Metadata patch
$revision->metadata_patch = json_encode(JsonPatch::diff([], json_decode($object->metadata, 1)));
$revision->author = UserProvider::getCurrentUserId();
$revision->created_at = Carbon::now();
$revision->save();
});
static::updating(function ($updatingObject) {
// Get the object again from DB so we are sure we have up-to-date content to make the diff from
$object = Object::find($updatingObject->id);
var_dump("here updating");
$lastRevision = ObjectRevision::where('object_id', $object->id)->orderBy('revision_id', 'DESC')->firstOrFail();
$revision = new ObjectRevision();
$revision->object_id = $object->id;
$revision->revision_id = $lastRevision->revision_id + 1;
// Data patch
$revision->data_patch = json_encode(JsonPatch::diff(json_decode($object->data, 1), json_decode($updatingObject->data, 1)));
// Metadata patch
$revision->metadata_patch = json_encode(JsonPatch::diff(json_decode($object->metadata, 1), json_decode($updatingObject->metadata, 1)));
$revision->author = UserProvider::getCurrentUserId();
$revision->created_at = Carbon::now();
$revision->save();
});
}
/**
* Generates a JSON Patch representation and return its
*
* @param mixed $updatedProperties Properties of the resource to update
* @return String JSON Patch representation for updates
*/
protected function generateJsonPatch($updatedProperties)
{
// Normalize current and updated properties into nested arrays
$currentProperties = json_decode(json_encode($this->getUpdateablePropertiesAsArray()), true);
$updatedProperties = json_decode(json_encode($updatedProperties), true);
// Add any properties that haven't changed to generate the correct patch
// (otherwise unchanging properties are marked as removed in the patch)
foreach ($currentProperties as $key => $value) {
if (!array_key_exists($key, $updatedProperties)) {
$updatedProperties[$key] = $value;
}
}
// Recursively alias current and updated properties
$currentProperties = $this->recursivelyAliasPropertyValue($currentProperties);
$updatedProperties = $this->recursivelyAliasPropertyValue($updatedProperties);
// Generate JSON Patch representation
$json = json_encode(JsonPatch::diff($currentProperties, $updatedProperties));
$this->checkJsonError();
return $json;
}
private static function getPrevMethodAttr($path)
{
try {
$result = JsonPatch::get(self::$src, $path);
} catch (\Exception $e) {
$result = null;
}
return is_array($result) ? json_encode($result) : $result;
}
public function compare($before, $after)
{
//TODO: verify that we're passing arrays
$diff = JsonPatch::diff($before, $after);
return $diff;
}
function diff_test($test)
{
// Skip comment-only or test op tests
if (!(isset($test['doc']) && isset($test['expected']))) {
return true;
}
$result = true;
try {
$doc1 = $test['doc'];
// copy, in case sort/patch alters
$doc2 = $test['expected'];
$patch = JsonPatch::diff($doc1, $doc2);
$patched = JsonPatch::patch($doc1, $patch);
if (!JsonPatch::considered_equal($patched, $doc2)) {
print "diff test failed:\n";
print_test($test);
print "from: " . json_encode($doc1) . "\n";
print "diff: " . json_encode($patch) . "\n";
print "found: " . json_encode($patched) . "\n";
print "expected: " . json_encode($doc2) . "\n\n";
$result = false;
}
// reverse order
$doc1 = $test['expected'];
// copy, in case sort/patch alters
$doc2 = $test['doc'];
$patch = JsonPatch::diff($doc1, $doc2);
$patched = JsonPatch::patch($doc1, $patch);
if (!JsonPatch::considered_equal($patched, $doc2)) {
print "reverse diff test failed:\n";
print_test($test);
print "from: " . json_encode($doc1) . "\n";
print "diff: " . json_encode($patch) . "\n";
print "found: " . json_encode($patched) . "\n";
print "expected: " . json_encode($doc2) . "\n\n";
$result = false;
}
} catch (Exception $ex) {
print "caught exception " . $ex->getMessage() . "\n";
return false;
}
return $result;
}
public static function boot()
{
parent::boot();
static::creating(function ($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();
});
}
