feat: Update version checker (#39)

* feat: update the updater version checker

Author: michyaraque

source/application.cpp

@@ -217,8 +217,8 @@ bool Application::OnInit() {
 		}
 	}
 	if (g_settings.getInteger(Config::USE_UPDATER) == 1) {
-		// UpdateChecker updater;
-		// updater.connect(g_gui.root);
+		UpdateChecker updater;
+		updater.connect(g_gui.root);
 	}
 #endif
 
@@ -424,28 +424,48 @@ void MainFrame::OnIdle(wxIdleEvent& event) {
 void MainFrame::OnUpdateReceived(wxCommandEvent& event) {
 	std::string data = *(std::string*)event.GetClientData();
 	delete (std::string*)event.GetClientData();
-	size_t first_colon = data.find(':');
-	size_t second_colon = data.find(':', first_colon + 1);
 
-	if (first_colon == std::string::npos || second_colon == std::string::npos) {
-		return;
-	}
+	try {
+		json::mValue val;
+		if (!json::read(data, val)) {
+			return;
+		}
 
-	std::string update = data.substr(0, first_colon);
-	std::string verstr = data.substr(first_colon + 1, second_colon - first_colon - 1);
-	std::string url = (second_colon == data.size() ? "" : data.substr(second_colon + 1));
+		json::mObject& obj = val.get_obj();
+		if (obj.count("tag_name") == 0) {
+			return;
+		}
 
-	if (update == "yes") {
-		int ret = g_gui.PopupDialog(
-			"Update Notice",
-			wxString("There is a newd update available (") << wxstr(verstr) << "). Do you want to go to the website and download it?",
-			wxYES | wxNO,
-			"I don't want any update notices",
-			Config::AUTOCHECK_FOR_UPDATES
-		);
-		if (ret == wxID_YES) {
-			::wxLaunchDefaultBrowser(wxstr(url), wxBROWSER_NEW_WINDOW);
+		std::string tag = obj["tag_name"].get_str();
+		if (!tag.empty() && (tag[0] == 'v' || tag[0] == 'V')) {
+			tag = tag.substr(1);
+		}
+
+		// Parse version
+		int major = 0, minor = 0, patch = 0;
+		sscanf(tag.c_str(), "%d.%d.%d", &major, &minor, &patch);
+
+		int remoteVersion = MAKE_VERSION_ID(major, minor, patch);
+		int localVersion = __RME_VERSION_ID__;
+
+		if (remoteVersion > localVersion) {
+			std::string url = obj["html_url"].get_str();
+			std::string name = obj["name"].get_str();
+
+			int ret = g_gui.PopupDialog(
+				"Update Notice",
+				wxString("There is a new update available (") << wxstr(name) << "). Do you want to go to the download page?",
+				wxYES | wxNO,
+				"I don't want any update notices",
+				Config::AUTOCHECK_FOR_UPDATES
+			);
+
+			if (ret == wxID_YES) {
+				::wxLaunchDefaultBrowser(wxstr(url), wxBROWSER_NEW_WINDOW);
+			}
 		}
+	} catch (...) {
+		// Error parsing JSON, silently ignore
 	}
 }
 #endif

source/definitions.h

@@ -39,6 +39,7 @@
 )
 
 #define __SITE_URL__ "https://github.com/OTAcademy/RME"
+#define __UPDATE_URL__ "https://api.github.com/repos/OTAcademy/RME/releases/latest"
 
 // #define __PRERELEASE__ 1
 
@@ -56,6 +57,11 @@
 	#define __W_RME_VERSION__ (wxString() << __RME_VERSION_MAJOR__ << "." << __RME_VERSION_MINOR__ << "." << __RME_SUBVERSION__)
 #endif
 // OS
+#if defined(_WIN32) || defined(WIN32) || defined(__WXMSW__)
+	#ifndef __WINDOWS__
+		#define __WINDOWS__ 1
+	#endif
+#endif
 
 #define OTGZ_SUPPORT 1
 #define ASSETS_NAME "Tibia"

source/updater.cpp

@@ -19,69 +19,46 @@
 
 #ifdef _USE_UPDATER_
 
-	#include <wx/url.h>
+	#include <wx/sstream.h>
+	#include <wx/protocol/http.h>
+	#include <cpr/cpr.h>
 
 	#include "json.h"
-
 	#include "updater.h"
 
 const wxEventType EVT_UPDATE_CHECK_FINISHED = wxNewEventType();
 
 UpdateChecker::UpdateChecker() {
-	////
 }
 
 UpdateChecker::~UpdateChecker() {
-	////
 }
 
 void UpdateChecker::connect(wxEvtHandler* receiver) {
-	wxString address = "http://www.remeresmapeditor.com/update.php";
-	address << "?os="
-			<<
-	#ifdef __WINDOWS__
-		"windows";
-	#elif __LINUX__
-		"linux";
-	#else
-		"unknown";
-	#endif
-	address << "&verid=" << __RME_VERSION_ID__;
-	#ifdef __EXPERIMENTAL__
-	address << "&beta";
-	#endif
-	wxURL* url = newd wxURL(address);
-	UpdateConnectionThread* connection = newd UpdateConnectionThread(receiver, url);
+	UpdateConnectionThread* connection = newd UpdateConnectionThread(receiver);
 	connection->Execute();
 }
 
-UpdateConnectionThread::UpdateConnectionThread(wxEvtHandler* receiver, wxURL* url) :
-	receiver(receiver),
-	url(url) {
-	////
+UpdateConnectionThread::UpdateConnectionThread(wxEvtHandler* receiver) :
+	receiver(receiver) {
 }
 
 UpdateConnectionThread::~UpdateConnectionThread() {
-	////
 }
 
 wxThread::ExitCode UpdateConnectionThread::Entry() {
-	wxInputStream* input = url->GetInputStream();
-	if (!input) {
-		delete input;
-		delete url;
-		return 0;
-	}
+	cpr::Response response = cpr::Get(
+		cpr::Url { __UPDATE_URL__ },
+		cpr::Header { { "User-Agent", "OTAcademy-RME-Updater" } },
+		cpr::Timeout { 10000 }
+	);
 
-	std::string data;
-	while (!input->Eof()) {
-		data += input->GetC();
+	if (response.status_code != 200 || response.text.empty()) {
+		return 0;
 	}
 
-	delete input;
-	delete url;
 	wxCommandEvent event(EVT_UPDATE_CHECK_FINISHED);
-	event.SetClientData(newd std::string(data));
+	event.SetClientData(newd std::string(response.text));
 	if (receiver) {
 		receiver->AddPendingEvent(event);
 	}

source/updater.h

@@ -31,17 +31,14 @@ extern const wxEventType EVT_UPDATE_CHECK_FINISHED;
 				(wxObject*)nullptr                                                                      \
 			),
 
-class wxURL;
-
 class UpdateConnectionThread : public DetachedThread {
 public:
-	UpdateConnectionThread(wxEvtHandler* receiver, wxURL* url);
+	UpdateConnectionThread(wxEvtHandler* receiver);
 	virtual ~UpdateConnectionThread();
 
 protected:
 	virtual ExitCode Entry();
 	wxEvtHandler* receiver;
-	wxURL* url;
 };
 
 class UpdateChecker {