public JsonPatchPathParser(IJsonPatchPropertyResolver propertyResolver)
{
_propertyResolver = propertyResolver;
}
public JsonPatchPropertyResolverTests()
{
_propertyResolver = new JsonPatchPropertyResolver();
}
public static JsonPatchResult JsonPatch <T>(this NancyModule module, T target,
IJsonPatchPropertyResolver propertyResolver)
{
return(new JsonPatchExecutor().Patch(module.Request.Body.AsString(), target, propertyResolver));
}
public JsonPatchResult Patch <T>(string requestBody, T target, IJsonPatchPropertyResolver propertyResolver)
{
var documentParser = new DocumentParser.JsonPatchDocumentParser();
var pathParser = new PathParser.JsonPatchPathParser(propertyResolver);
var operationExecutor = new OperationProcessor.JsonPatchOperationExecutor();
List <JsonPatchOperation> operations;
try
{
operations = documentParser.DeserializeJsonPatchRequest(requestBody);
}
catch (Exception ex)
{
return(Failure(JsonPatchFailureReason.CouldNotParseJson, ex.Message));
}
foreach (var operation in operations)
{
var pathResult = pathParser.ParsePath(operation.Path, target);
if (pathResult.Path == null)
{
return(Failure(JsonPatchFailureReason.CouldNotParsePath, pathResult.Error));
}
switch (operation.Op)
{
case JsonPatchOpCode.replace:
var replaceResult = operationExecutor.Replace(pathResult.Path, operation.Value);
if (!replaceResult.Succeeded)
{
return(Failure(JsonPatchFailureReason.OperationFailed, replaceResult.Message));
}
break;
case JsonPatchOpCode.move:
var moveFrom = pathParser.ParsePath(operation.From, target);
if (moveFrom.Path == null)
{
return(Failure(JsonPatchFailureReason.CouldNotParseFrom, moveFrom.Error));
}
var moveResult = operationExecutor.Move(moveFrom.Path, pathResult.Path);
if (!moveResult.Succeeded)
{
return(Failure(JsonPatchFailureReason.OperationFailed, moveResult.Message));
}
break;
case JsonPatchOpCode.copy:
var copyFrom = pathParser.ParsePath(operation.From, target);
if (copyFrom.Path == null)
{
return(Failure(JsonPatchFailureReason.CouldNotParseFrom, copyFrom.Error));
}
var copyResult = operationExecutor.Copy(copyFrom.Path, pathResult.Path);
if (!copyResult.Succeeded)
{
return(Failure(JsonPatchFailureReason.OperationFailed, copyResult.Message));
}
break;
case JsonPatchOpCode.add:
var addResult = operationExecutor.Add(pathResult.Path, operation.Value);
if (!addResult.Succeeded)
{
return(Failure(JsonPatchFailureReason.OperationFailed, addResult.Message));
}
break;
case JsonPatchOpCode.remove:
var removeResult = operationExecutor.Remove(pathResult.Path);
if (!removeResult.Succeeded)
{
return(Failure(JsonPatchFailureReason.OperationFailed, removeResult.Message));
}
break;
case JsonPatchOpCode.test:
var result = operationExecutor.Test(pathResult.Path, operation.Value);
if (!result.Succeeded)
{
return(Failure(JsonPatchFailureReason.TestFailed, result.Message));
}
break;
}
}
return(new JsonPatchResult {
Succeeded = true
});
}