SaveTool: add credits for cpr and json.hpp.

Might be useful for warnings and non-fatal errors, to replace standard
SDL message boxes.

.gitmodules

@@ -30,3 +30,7 @@
 	path = third-party/cpr
 	url = https://github.com/whoshuu/cpr
 	branch = master
+[submodule "json.hpp"]
+	path = third-party/json
+	url = https://github.com/nlohmann/json
+	branch = master

CMakeLists.txt

@@ -92,4 +92,7 @@ set(CPR_BUILD_TESTS OFF CACHE BOOL "" FORCE)
 set(CMAKE_USE_LIBSSH2 OFF CACHE BOOL "" FORCE) # For some reason, even when HTTP_ONLY is set to ON, libcurl will try to link to libssh2.
 add_subdirectory(third-party/cpr EXCLUDE_FROM_ALL)
 
+set(JSON_BuildTests OFF CACHE BOOL "" FORCE)
+add_subdirectory(third-party/json)
+
 add_subdirectory(src)

src/CMakeLists.txt

@@ -78,5 +78,6 @@ target_link_libraries(MassBuilderSaveTool PRIVATE
     efsw
     zip
     cpr::cpr
+    nlohmann_json::nlohmann_json
     imm32
     wtsapi32)

src/SaveTool/SaveTool.cpp

@@ -32,6 +32,8 @@
 
 #include <cpr/cpr.h>
 
+#include <nlohmann/json.hpp>
+
 #include <windef.h>
 #include <winuser.h>
 #include <processthreadsapi.h>
@@ -133,6 +135,11 @@ SaveTool::SaveTool(const Arguments& arguments):
     }
 
     initialiseConfiguration();
+
+    if(_checkUpdatesOnStartup) {
+        _thread = std::thread{[this]{ checkForUpdates(); }};
+        _queue.addToast(Toast::Type::Default, "Checking for updates...");
+    }
 }
 
 SaveTool::~SaveTool() {
@@ -286,7 +293,67 @@ void SaveTool::initEvent(SDL_Event& event) {
 void SaveTool::updateCheckEvent(SDL_Event& event) {
     _thread.join();
 
-    // TODO: implement
+    cpr::Response r{std::move(*static_cast<cpr::Response*>(event.user.data1))};
+    delete static_cast<cpr::Response*>(event.user.data1);
+
+    if(r.elapsed > 10.0) {
+        _queue.addToast(Toast::Type::Error, "The request timed out.");
+        return;
+    }
+
+    if(r.status_code != 200) {
+        _queue.addToast(Toast::Type::Error, Utility::formatString("The request failed with error code {}: {}", r.status_code, r.reason));
+        return;
+    }
+
+    using json = nlohmann::json;
+
+    json response = json::parse(r.text);
+
+    struct Version {
+        explicit Version(const std::string& str) {
+            std::size_t start_point = 0;
+
+            if(str[0] == 'v') {
+                start_point++;
+            }
+
+            major = std::atoi(str.c_str() + start_point);
+            start_point = str.find('.', start_point) + 1;
+            minor = std::atoi(str.c_str() + start_point);
+            start_point = str.find('.', start_point) + 1;
+            patch = std::atoi(str.c_str() + start_point);
+        }
+        Int major;
+        Int minor;
+        Int patch;
+
+        bool operator==(const Version& other) const {
+            return (major == other.major) && (minor == other.minor) && (patch == other.patch);
+        }
+        bool operator>(const Version& other) const {
+            return (      major * 10000 +       minor * 100 +       patch) >
+                   (other.major * 10000 + other.minor * 100 + other.patch);
+        }
+    };
+
+    static const Version current_ver{SAVETOOL_VERSION};
+    Version latest_ver{response[0]["tag_name"]};
+
+    if(latest_ver == current_ver) {
+        _queue.addToast(Toast::Type::Success, "The application is already up to date.");
+    }
+    else if(latest_ver > current_ver) {
+        _queue.addToast(Toast::Type::Warning, "Your version is out of date.\nCheck the settings for more information.",
+                        std::chrono::milliseconds{5000});
+        _updateAvailable = true;
+        _latestVersion = Utility::formatString("{}.{}.{}", latest_ver.major, latest_ver.minor, latest_ver.patch);
+        _releaseLink = response[0]["html_url"];
+        _downloadLink = response[0]["assets"][0]["browser_download_url"];
+    }
+    else if(current_ver > latest_ver) {
+        _queue.addToast(Toast::Type::Warning, "Your version is more recent than the latest one in the repo. How???");
+    }
 }
 
 void SaveTool::initialiseConfiguration() {
@@ -594,10 +661,13 @@ void SaveTool::checkGameState() {
 }
 
 void SaveTool::checkForUpdates() {
-    // TODO: implement
+    cpr::Response r = cpr::Get(cpr::Url{"https://williamjcm.ovh/git/api/v1/repos/williamjcm/MassBuilderSaveTool/releases"},
+                               cpr::Parameters{{"limit", "1"}}, cpr::Timeout{10000});
 
     SDL_Event event;
     SDL_zero(event);
     event.type = _updateEventId;
+    event.user.code = r.status_code;
+    event.user.data1 = new cpr::Response{std::move(r)};
     SDL_PushEvent(&event);
 }

src/SaveTool/SaveTool.h

@@ -34,6 +34,7 @@
 
 #include "../ProfileManager/ProfileManager.h"
 #include "../MassManager/MassManager.h"
+#include "../ToastQueue/ToastQueue.h"
 
 using namespace Corrade;
 using namespace Magnum;
@@ -161,6 +162,8 @@ class SaveTool: public Platform::Sdl2Application, public efsw::FileWatchListener
         bool _metricsWindow{false};
 #endif
 
+        ToastQueue _queue;
+
         std::thread _thread; // used for threaded operations such as profile manager init or update checking.
 
         UnsignedInt _initEventId;
@@ -196,4 +199,9 @@ class SaveTool: public Platform::Sdl2Application, public efsw::FileWatchListener
 
         bool _checkUpdatesOnStartup{true};
         bool _unsafeMode{false};
+
+        bool _updateAvailable{false};
+        std::string _latestVersion;
+        std::string _releaseLink;
+        std::string _downloadLink;
 };

src/SaveTool/SaveTool_drawAbout.cpp

@@ -251,6 +251,58 @@ void SaveTool::drawAbout() {
             ImGui::TreePop();
         }
 
+        if(ImGui::TreeNodeEx("C++ Requests (cpr)", ImGuiTreeNodeFlags_SpanAvailWidth)) {
+            ImGui::AlignTextToFramePadding();
+            const char* cpr_website = "https://whoshuu.github.io/cpr/";
+            ImGui::Text(ICON_FA_GLOBE " %s", cpr_website);
+            ImGui::SameLine();
+            if(ImGui::Button("Copy to clipboard")) {
+                ImGui::SetClipboardText(cpr_website);
+            }
+            ImGui::SameLine();
+            if(ImGui::Button("Open in browser")) {
+                openUri(cpr_website);
+            }
+
+            ImGui::TextUnformatted("Licence: MIT");
+
+            static const auto cpr_licence = _rs.get("LICENSE.cpr");
+            if(ImGui::BeginChild("##cprLicence", {0.0f, windowSize().y() * 0.3f}, true)) {
+                ImGui::PushFont(ImGui::GetIO().Fonts->Fonts[1]);
+                ImGui::TextUnformatted(cpr_licence.c_str());
+                ImGui::PopFont();
+            }
+            ImGui::EndChild();
+
+            ImGui::TreePop();
+        }
+
+        if(ImGui::TreeNodeEx("JSON for Modern C++ (aka json.hpp)", ImGuiTreeNodeFlags_SpanAvailWidth)) {
+            ImGui::AlignTextToFramePadding();
+            const char* json_website = "https://json.nlohmann.me/";
+            ImGui::Text(ICON_FA_GLOBE " %s", json_website);
+            ImGui::SameLine();
+            if(ImGui::Button("Copy to clipboard")) {
+                ImGui::SetClipboardText(json_website);
+            }
+            ImGui::SameLine();
+            if(ImGui::Button("Open in browser")) {
+                openUri(json_website);
+            }
+
+            ImGui::TextUnformatted("Licence: MIT");
+
+            static const auto json_licence = _rs.get("LICENSE.json");
+            if(ImGui::BeginChild("##jsonLicence", {0.0f, windowSize().y() * 0.3f}, true)) {
+                ImGui::PushFont(ImGui::GetIO().Fonts->Fonts[1]);
+                ImGui::TextUnformatted(json_licence.c_str());
+                ImGui::PopFont();
+            }
+            ImGui::EndChild();
+
+            ImGui::TreePop();
+        }
+
         if(ImGui::TreeNodeEx("Font Awesome", ImGuiTreeNodeFlags_SpanAvailWidth)) {
             ImGui::TextUnformatted("Version used: 5.15.3");
             ImGui::AlignTextToFramePadding();

src/SaveTool/SaveTool_drawMainMenu.cpp

@@ -62,7 +62,22 @@ void SaveTool::drawMainMenu() {
 
                 ImGui::Checkbox("Check for updates on startup", &_checkUpdatesOnStartup);
                 ImGui::SameLine();
-                ImGui::Button(ICON_FA_SYNC_ALT " Check now");
+                if(ImGui::Button(ICON_FA_SYNC_ALT " Check now")) {
+                    _queue.addToast(Toast::Type::Default, "Checking for updates...");
+                    _thread = std::thread{[this]{ checkForUpdates(); }};
+                }
+
+                if(_updateAvailable) {
+                    ImGui::AlignTextToFramePadding();
+                    ImGui::Text("Version %s is available.", _latestVersion.c_str());
+                    if(ImGui::Button(ICON_FA_FILE_SIGNATURE " Release notes")) {
+                        openUri(_releaseLink);
+                    }
+                    ImGui::SameLine();
+                    if(ImGui::Button(ICON_FA_DOWNLOAD " Download now")) {
+                        openUri(_downloadLink);
+                    }
+                }
 
                 ImGui::EndMenu();
             }

src/ToastQueue/ToastQueue.cpp

@@ -138,7 +138,9 @@ void ToastQueue::draw(Vector2i viewport_size) {
                     break;
             }
 
-            ImGui::SameLine();
+            if(current->type() != Toast::Type::Default) {
+                ImGui::SameLine();
+            }
 
             if(current->message().length() > 127) {
                 ImGui::TextColored(colour, "%.*s...", 127, current->message().c_str());

src/assets.conf

@@ -43,3 +43,11 @@ alias=LICENSE.libzip
 [file]
 filename=../third-party/efsw/LICENSE
 alias=LICENSE.efsw
+
+[file]
+filename=../third-party/cpr/LICENSE
+alias=LICENSE.cpr
+
+[file]
+filename=../third-party/json/LICENSE.MIT
+alias=LICENSE.json

third-party/json

@@ -0,0 +1 @@
+Subproject commit 350ff4f7ced7c4117eae2fb93df02823c8021fcb