refactoring + signal handling

Makefile

@@ -1,20 +1,23 @@
 CC = g++
-CC_FLAGS = -s -O3 -lncurses -lcurl -Wall -Wextra 
+CC_FLAGS = -O3 -lncurses -lcurl -Wall -Wextra 
 #debug flags:
 #CC_FLAGS = -ggdb `pkg-config --cflags --libs gtkmm-4.0` -Wall -Wextra
 
 all: build/bin/pupes-slots
 
-build/bin/pupes-slots: build/obj/main.o build/obj/baka-api.o
+build/bin/pupes-slots: build/obj/main.o build/obj/net.o build/obj/helper_funcs.o
-	$(CC) $(CC_FLAGS) build/obj/main.o build/obj/baka-api.o -o build/bin/bakatui
+	$(CC) $(CC_FLAGS) build/obj/main.o build/obj/net.o build/obj/helper_funcs.o -o build/bin/bakatui
 
 build/obj/main.o: src/main.cpp
 	mkdir -p build/obj
 	mkdir -p build/bin
 	$(CC) $(CC_FLAGS) -c src/main.cpp -o build/obj/main.o
 
-build/obj/baka-api.o: src/baka-api.cpp
+build/obj/net.o: src/net.cpp
-	$(CC) $(CC_FLAGS) -c src/baka-api.cpp -o build/obj/baka-api.o
+	$(CC) $(CC_FLAGS) -c src/net.cpp -o build/obj/net.o
+
+build/obj/helper_funcs.o: src/helper_funcs.cpp
+	$(CC) $(CC_FLAGS) -c src/helper_funcs.cpp -o build/obj/helper_funcs.o 
 
 clean:
 	rm -fr build      

src/baka-api.cpp

@@ -1,33 +0,0 @@
-#include <curl/curl.h>
-#include <string>
-#include <iostream>
-
-namespace bakaapi {
-
-    // Callback function to write data into a std::string
-    size_t WriteCallback(void* contents, size_t size, size_t nmemb, std::string* userp) {
-    size_t totalSize = size * nmemb;
-    userp->append((char*)contents, totalSize);
-    return totalSize;
-}
-
-    void login() {
-  CURL* curl;
-    std::string response;
-
-    char url[] = "https://c-for-dummies.com/curl_test.txt";
-
-    curl = curl_easy_init();
-    if(curl) {
-        curl_easy_setopt(curl, CURLOPT_URL, url);
-        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
-        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
-
-        curl_easy_perform(curl);  // Perform the request
-
-        std::cout << "this  is responce: "<< response << std::endl;  // Output the result
-
-        curl_easy_cleanup(curl);  // Cleanup
-    }
-    }
-}

src/baka-api.h

@@ -1,3 +0,0 @@
-namespace bakaapi {
-    void login();
-}

src/color.h

@@ -0,0 +1,17 @@
+#define RESET   "\033[0m"
+#define BLACK   "\033[30m"      /* Black */
+#define RED     "\033[31m"      /* Red */
+#define GREEN   "\033[32m"      /* Green */
+#define YELLOW  "\033[33m"      /* Yellow */
+#define BLUE    "\033[34m"      /* Blue */
+#define MAGENTA "\033[35m"      /* Magenta */
+#define CYAN    "\033[36m"      /* Cyan */
+#define WHITE   "\033[37m"      /* White */
+#define BOLDBLACK   "\033[1m\033[30m"      /* Bold Black */
+#define BOLDRED     "\033[1m\033[31m"      /* Bold Red */
+#define BOLDGREEN   "\033[1m\033[32m"      /* Bold Green */
+#define BOLDYELLOW  "\033[1m\033[33m"      /* Bold Yellow */
+#define BOLDBLUE    "\033[1m\033[34m"      /* Bold Blue */
+#define BOLDMAGENTA "\033[1m\033[35m"      /* Bold Magenta */
+#define BOLDCYAN    "\033[1m\033[36m"      /* Bold Cyan */
+#define BOLDWHITE   "\033[1m\033[37m"      /* Bold White */

src/helper_funcs.cpp

@@ -0,0 +1,22 @@
+#include <csignal>
+#include <iostream>
+void safe_exit(int code) {
+  switch (code) {
+  case SIGTERM:
+    std::cerr << "received SIGTERM exiting...\n";
+    break;
+  case SIGINT:
+    std::cerr << "received SIGINT exiting...\n";
+    break;
+  case SIGQUIT:
+    std::cerr << "received SIGQUIT exiting...\n";
+    break;
+
+  case SIGSEGV:
+    std::cerr << "received SIGSEGV(segmentaiton fault) exiting...\nIf this "
+                 "repeats please report this bug\n";
+    break;
+  }
+
+  exit(code);
+}

src/helper_funcs.h

@@ -0,0 +1 @@
+void safe_exit(int code);

src/main.cpp

@@ -1,7 +1,25 @@
+#include "main.h"
+#include "color.h"
+#include "helper_funcs.h"
+#include "net.h"
+#include <csignal>
+#include <curl/curl.h>
 #include <curses.h>
-#include "baka-api.h"
+#include <iostream>
+#include <regex>
+#include <string>
 
-int main(int argc, char ** argv) {
+int main(int argc, char **argv) {
+  // signal handlers
+  signal(SIGTERM, safe_exit);
+  signal(SIGINT, safe_exit);
+  signal(SIGQUIT, safe_exit);
+
+  // error signal handlers
+  signal(SIGSEGV, safe_exit);
+
+  CURL *curl = curl_easy_init();
+  std::string bakaapi_url;
   /*initscr();
 
   // creating a window;
@@ -22,6 +40,24 @@ int main(int argc, char ** argv) {
 
   getch();
   endwin(); */
+  std::cout << "enter school bakalari url:\n";
+  while (true) {
+    std::cout << "(or q to quit )";
+    std::cin >> bakaapi_url;
+
+    const std::regex url_regex_pattern(
+        R"((http|https)://(www\.)?[a-zA-Z0-9@:%._\+~#?&//=]{2,256}\.[a-z]{2,6}(/\S*)?)");
+
+    if (std::regex_match(bakaapi_url, url_regex_pattern)) {
+      break;
+    } else if (bakaapi_url == "q") {
+      std::cerr << GREEN "[NOTICE] " << RESET "user quit\n";
+      return 255;
+    }
+    std::cerr << "enter valid url using following pattern "
+                 "[(http|https)://school.bakalari.url]\n";
+  }
+
   bakaapi::login();
   return 0;
 }

src/main.h

@@ -0,0 +1,5 @@
+#include <curl/curl.h>
+#include <string>
+
+extern CURL *curl;
+extern std::string bakaapi_url;

src/net.cpp

@@ -0,0 +1,49 @@
+#include "net.h"
+#include "color.h"
+#include "main.h"
+#include <cstdlib>
+#include <curl/curl.h>
+#include <iostream>
+#include <string>
+
+CURL *curl;
+
+// Callback function to write data into a std::string
+size_t WriteCallback(void *contents, size_t size, size_t nmemb,
+                     std::string *userp) {
+  size_t totalSize = size * nmemb;
+  userp->append((char *)contents, totalSize);
+  return totalSize;
+}
+
+void setup_for_curl_request(std::string endpoint, std::string &response) {
+  // CHANGE URL LATER
+  char url[] = "";
+  if (curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
+
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
+    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+  } else {
+    std::cerr << RED "[ERROR] " << RESET "curl not initialised\n";
+    exit(2);
+  }
+}
+namespace bakaapi {
+
+void login() {
+  std::string response;
+
+  char url[] = "https://c-for-dummies.com/curl_test.txt";
+
+  curl_easy_perform(curl); // Perform the request
+
+  std::cout << "this  is responce: " << response
+            << std::endl; // Output the result
+
+  curl_easy_cleanup(curl); // Cleanup
+}
+} // namespace bakaapi

src/net.h

@@ -0,0 +1,4 @@
+#include <curl/curl.h>
+namespace bakaapi {
+void login();
+}