added fetching from site if input not present locally

.gitignore

@@ -1 +1,2 @@
 /cmake-build-debug/
+session/

CMakeLists.txt

@@ -3,11 +3,16 @@ project(AdventOfCode2022)
 
 set(CMAKE_CXX_STANDARD 23)
 
-include(FetchContent)
+if (WIN32)
-FetchContent_Declare(cpr GIT_REPOSITORY https://github.com/libcpr/cpr.git GIT_TAG 100cf2050be7619430a615cd0d580b33c62fde6b)
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
-FetchContent_MakeAvailable(cpr)
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
+endif()
 
 file(GLOB_RECURSE SRC_FILES src/**.cpp src/**.h)
 add_executable(AdventOfCode2022 ${SRC_FILES})
 
+include(FetchContent)
+FetchContent_Declare(cpr GIT_REPOSITORY https://github.com/libcpr/cpr.git GIT_TAG 100cf2050be7619430a615cd0d580b33c62fde6b)
+FetchContent_MakeAvailable(cpr)
+
 target_link_libraries(AdventOfCode2022 PRIVATE cpr::cpr)

src/02/Day02.cpp

@@ -2,5 +2,5 @@
 #include "Day02.h"
 
 int Day02::run() {
-    return 1;
+    return 0;
 }

src/03/Day03.cpp

@@ -2,5 +2,5 @@
 #include "Day03.h"
 
 int Day03::run() {
-    return 1;
+    return 0;
 }

src/main.cpp

@@ -1,43 +1,58 @@
 #include <iostream>
 #include <string>
-#include <fstream>
 #include <vector>
 #include <filesystem>
 #include "days.h"
-//#include <cpr/cpr.h>
+#include <cpr/cpr.h>
 
-std::vector<std::string> getInput(int day){
+std::vector<std::string> getInput(int day, std::string key){
+    std::vector<std::string> result;
 
     char dayStrPadded[3];
     sprintf(dayStrPadded, "%02u", day);
     std::string localFilePath = "input/" + std::string(dayStrPadded) + "_input.txt";
 
     if (!std::filesystem::exists({localFilePath})){
+        if (key.empty())
+            return result;
         std::string dayStr = std::to_string(day);
         std::string url = "https://adventofcode.com/2021/day/" + dayStr + "/input";
-        std::string key = "sdfsd";
-        std::string cookie = "session=" + key;
         std::cout << "Input does not exist. Fetching from " + url << std::endl;
-        //cpr::Response res = cpr::Get(cpr::Url {url}, cpr::Header{{"Cookie", cookie}});
+        cpr::Response res = cpr::Get(cpr::Url {url}, cpr::Cookies{{"session", key}});
-        //std::cout << res.text << std::endl;
+        std::string content = res.text;
+        std::ofstream file(localFilePath);
+        file << content;
+        file.close();
     }
 
-    std::fstream file;
+    std::ifstream file(localFilePath);
-    file.open(localFilePath, std::ios::in);
 
-    std::vector<std::string> result;
     std::string line;
     while (std::getline(file, line))
         result.push_back(line);
 
+    file.close();
+
     return result;
 }
 
+std::string getSessionKey(){
+    std::string key;
+    std::ifstream file("session");
+    if (!file.good())
+        return "";
+    file >> key;
+    file.close();
+    return key;
+}
+
 int main(int argc, char *argv[]) {
 
+    std::string key = getSessionKey();
+
     for (int i = 1; i < argc; i++){
         int dayNum = std::stoi(argv[i]);
-        std::vector<std::string> input = getInput(dayNum);
+        std::vector<std::string> input = getInput(dayNum, key);
         auto day = getDay(dayNum, input);
         int code = day->run();
         if (code != 0)