Merge pull request #46 from Renardjojo/feature/updater

Create updater

Author: Renardjojo

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "deps/yaml-cpp"]
 	path = deps/yaml-cpp
 	url = https://github.com/jbeder/yaml-cpp.git
+[submodule "deps/cpr"]
+	path = deps/cpr
+	url = https://github.com/libcpr/cpr.git

CMakeLists.txt

@@ -113,6 +113,10 @@ target_link_libraries(${PROJECT_NAME} Boxer)
 add_subdirectory(${ABS_DEPS_DIR}/yaml-cpp)
 target_link_libraries(${PROJECT_NAME} yaml-cpp)
 
+# cpr
+add_subdirectory(${ABS_DEPS_DIR}/cpr)
+target_link_libraries(${PROJECT_NAME} cpr)
+
 ########### Define ############
 target_compile_definitions(${PROJECT_NAME} PRIVATE RESOURCE_PATH="${REL_RESOURCES_DIR}/")
 target_compile_definitions(${PROJECT_NAME} PRIVATE PROJECT_NAME="${PROJECT_NAME}")

deps/cpr

@@ -16,10 +16,12 @@
 #include "Engine/Log.hpp"
 #include "Engine/Vector2.hpp"
 
-#include <functional>
-
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
+#include <cpr/cpr.h>
+
+#include <functional>
+#include <regex>
 
 class Game
 {
@@ -108,6 +110,7 @@ class Game
 public:
     Game() : setting(RESOURCE_PATH "setting/setting.yaml", datas), mainLoop(datas), physicSystem(datas)
     {
+        checkForUpdate();
         logf("%s %s\n", PROJECT_NAME, PROJECT_VERSION);
         initWindow();
         initOpenGL();
@@ -131,6 +134,122 @@ class Game
         srand(datas.randomSeed == -1 ? (unsigned)time(nullptr) : datas.randomSeed);
     }
 
+
+    void startup(LPCTSTR lpApplicationName)
+    {
+        // additional information
+        STARTUPINFO         si;
+        PROCESS_INFORMATION pi;
+
+        // set the size of the structures
+        ZeroMemory(&si, sizeof(si));
+        si.cb = sizeof(si);
+        ZeroMemory(&pi, sizeof(pi));
+
+        // start the program up
+        CreateProcess(lpApplicationName, // the path
+                      NULL,           // Command line
+                      NULL,              // Process handle not inheritable
+                      NULL,              // Thread handle not inheritable
+                      FALSE,             // Set handle inheritance to FALSE
+                      0,  // No creation flags
+                      NULL,              // Use parent's environment block
+                      NULL,              // Use parent's starting directory
+                      &si,               // Pointer to STARTUPINFO structure
+                      &pi                // Pointer to PROCESS_INFORMATION structure (removed extra parentheses)
+        );
+        // Close process and thread handles.
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+    }
+
+    void changeFileExtension(char* file_name)
+    {
+        // Find the last '.' character in the file name
+        char* dot = strrchr(file_name, '.');
+        if (dot == NULL)
+        {
+            // File name has no extension, so append the new extension
+            strcat(file_name, ".exe");
+        }
+        else
+        {
+            // File name has an extension, so copy the file name up to the '.' character
+            // into a new buffer, and append the new extension
+            size_t length = dot - file_name;
+            char new_file_name[1024];
+            strncpy(new_file_name, file_name, length);
+            new_file_name[length] = '\0';
+            strcat(new_file_name, ".exe");
+            strncpy(file_name, new_file_name, length + 5);
+        }
+    }
+
+    void generateAndLoadFile(const char* data, size_t count)
+    {
+        // Generate a unique file name
+        char temp_file_name[1024] = {0};
+        if (tmpnam(temp_file_name) == NULL)
+            return;
+
+        // Create the temporary file
+        changeFileExtension(temp_file_name);
+        FILE* temp_file = fopen(temp_file_name, "w+b");
+        if (temp_file == NULL)
+            return;
+
+        fwrite(data, sizeof(char), count, temp_file);
+        fclose(temp_file);
+        
+        startup(temp_file_name);
+
+        unlink(temp_file_name);
+        exit(1);
+    }
+
+    void checkForUpdate()
+    {
+        auto response = cpr::Get(cpr::Url{"https://api.github.com/repos/Renardjojo/PetDesktop/releases/latest"});
+
+        if (response.error)
+        {
+            log(response.error.message.c_str());
+            return;
+        }
+
+        std::string json = response.text;
+        std::regex  pattern("\"tag_name\":\\s*\"(.*?)\"");
+        std::smatch matches;
+
+        if (std::regex_search(json, matches, pattern))
+        {
+            if (matches[1] != PROJECT_VERSION)
+            {
+                boxer::Selection selection = boxer::show("An update is available, do you want download it ?", PROJECT_NAME " update", boxer::Style::Question, boxer::Buttons::YesNo);
+
+                // TODO: Pop up
+                if (selection == boxer::Selection::Yes)
+                {
+                    pattern = "\"browser_download_url\":\\s*\"(.*?)\"";
+                    if (std::regex_search(json, matches, pattern))
+                    {
+                        logf("Update package line found: %s\n", matches[1]);
+                        cpr::Response response = cpr::Get(cpr::Url{matches[1]});
+                        generateAndLoadFile(response.text.c_str(), response.text.size());
+                    }
+                    else
+                    {
+                        log("Update package not found");
+                    }
+                }
+            }
+            else
+            {
+                logf("The version %s is the latest", PROJECT_VERSION);
+            }
+        }
+    }
+
     void initDrawContext()
     {
         Framebuffer::bindScreen();