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#include "node_request.hpp"
#include "node_file_source.hpp"
#include <mbgl/storage/request.hpp>
#include <mbgl/storage/response.hpp>
#include <cmath>
#include <iostream>
namespace node_mbgl {
////////////////////////////////////////////////////////////////////////////////////////////////
// Static Node Methods
v8::Persistent<v8::FunctionTemplate> NodeRequest::constructorTemplate;
void NodeRequest::Init(v8::Handle<v8::Object> target) {
NanScope();
v8::Local<v8::FunctionTemplate> t = NanNew<v8::FunctionTemplate>(New);
t->InstanceTemplate()->SetInternalFieldCount(1);
t->SetClassName(NanNew("Request"));
NODE_SET_PROTOTYPE_METHOD(t, "respond", Respond);
NanAssignPersistent(constructorTemplate, t);
target->Set(NanNew("Request"), t->GetFunction());
}
NAN_METHOD(NodeRequest::New) {
NanScope();
// Extract the pointer from the first argument
if (args.Length() < 2 || !args[0]->IsExternal() || !args[1]->IsExternal()) {
return NanThrowTypeError("Cannot create Request objects explicitly");
}
auto source = reinterpret_cast<NodeFileSource*>(args[0].As<v8::External>()->Value());
auto resource = reinterpret_cast<mbgl::Resource*>(args[1].As<v8::External>()->Value());
auto req = new NodeRequest(source, *resource);
req->Wrap(args.This());
NanReturnValue(args.This());
}
v8::Handle<v8::Object> NodeRequest::Create(NodeFileSource* source, const mbgl::Resource& resource) {
NanEscapableScope();
v8::Local<v8::Value> argv[] = { NanNew<v8::External>(const_cast<NodeFileSource*>(source)),
NanNew<v8::External>(const_cast<mbgl::Resource*>(&resource)) };
auto instance = NanNew<v8::FunctionTemplate>(constructorTemplate)->GetFunction()->NewInstance(2, argv);
instance->ForceSet(NanNew("url"), NanNew(resource.url), v8::ReadOnly);
instance->ForceSet(NanNew("kind"), NanNew<v8::Integer>(int(resource.kind)), v8::ReadOnly);
return NanEscapeScope(instance);
}
NAN_METHOD(NodeRequest::Respond) {
auto nodeRequest = ObjectWrap::Unwrap<NodeRequest>(args.Holder());
// Request has already been responded to, or was canceled, fail silently.
if (!nodeRequest->resource) NanReturnUndefined();
auto source = nodeRequest->source;
auto resource = std::move(nodeRequest->resource);
if (args.Length() < 1) {
return NanThrowTypeError("First argument must be an error object");
} else if (args[0]->BooleanValue()) {
auto response = std::make_shared<mbgl::Response>();
response->status = mbgl::Response::Error;
// Store the error string.
const NanUtf8String message { args[0]->ToString() };
response->message = std::string { *message, size_t(message.length()) };
source->notify(*resource, response);
} else if (args.Length() < 2 || !args[1]->IsObject()) {
return NanThrowTypeError("Second argument must be a response object");
} else {
auto response = std::make_shared<mbgl::Response>();
auto res = args[1]->ToObject();
response->status = mbgl::Response::Successful;
if (res->Has(NanNew("modified"))) {
const double modified = res->Get(NanNew("modified"))->ToNumber()->Value();
if (!std::isnan(modified)) {
response->modified = modified / 1000; // JS timestamps are milliseconds
}
}
if (res->Has(NanNew("expires"))) {
const double expires = res->Get(NanNew("expires"))->ToNumber()->Value();
if (!std::isnan(expires)) {
response->expires = expires / 1000; // JS timestamps are milliseconds
}
}
if (res->Has(NanNew("etag"))) {
auto etagHandle = res->Get(NanNew("etag"));
if (etagHandle->BooleanValue()) {
const NanUtf8String etag { etagHandle->ToString() };
response->etag = std::string { *etag, size_t(etag.length()) };
}
}
if (res->Has(NanNew("data"))) {
auto dataHandle = res->Get(NanNew("data"));
if (node::Buffer::HasInstance(dataHandle)) {
response->data = std::string {
node::Buffer::Data(dataHandle),
node::Buffer::Length(dataHandle)
};
} else {
return NanThrowTypeError("Response data must be a Buffer");
}
}
// Send the response object to the NodeFileSource object
source->notify(*resource, response);
}
NanReturnUndefined();
}
////////////////////////////////////////////////////////////////////////////////////////////////
// Instance
NodeRequest::NodeRequest(NodeFileSource* source_, const mbgl::Resource& resource_)
: source(source_),
resource(std::make_unique<mbgl::Resource>(resource_)) {}
NodeRequest::~NodeRequest() {
}
void NodeRequest::cancel() {
resource.reset();
}
}
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