OOP structure

src/utils.cpp

@@ -0,0 +1,99 @@
+#include <curl/curl.h>
+#include <curl/easy.h>
+
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <filesystem>
+#include <format>
+#include <nlohmann/json.hpp>
+#include <regex>
+#include <string>
+
+#include "config.hpp"
+
+// This runs in shell, if put through a website interface it would allow for injection
+auto ytdlp(const std::string& args) -> bool {
+  system(std::format("bin/linux/yt-dlp {}", args).c_str());
+  return true;
+}
+
+auto metadata(const std::string& file, const std::string& artist, const std::string& album, size_t index) -> void {
+  std::string name = std::filesystem::path(file).filename().string();
+  name = std::regex_replace(name, std::regex(".mp3"), "");
+
+  system(std::format("bin/linux/ffmpeg "
+                     "-hide_banner -loglevel error "
+                     "-i \"{}\" "
+                     "-i \"{}/cover.jpg\" "
+                     "-map 0:0 "
+                     "-map 1:0 "
+                     "-c copy "
+                     "-id3v2_version 3 -metadata:s:v title=\"Album cover\" -metadata:s:v comment=\"Cover (front)\" "
+                     "-metadata title=\"{}\" "
+                     "-metadata artist=\"{}\" "
+                     "-metadata album=\"{}\" "
+                     "-metadata track=\"{}\" "
+                     "\"{}/{}_{}.mp3\"",
+                     file, TMP_DOWNLOAD_FOLDER, name, artist, album, index, TMP_DOWNLOAD_FOLDER, index, name)
+             .c_str());
+}
+
+auto cleanTmpDownloadFolder() -> bool {
+  for (const auto& entry : std::filesystem::directory_iterator(TMP_DOWNLOAD_FOLDER)) {
+    std::filesystem::remove_all(entry.path());
+  }
+
+  return true;
+}
+
+auto downloadImageToTmpFolder(const std::string& url) -> bool {
+  CURL* curl = curl_easy_init();
+  if (!curl) {
+    printf("ERROR: Failed to initialize curl.\n");
+    return false;
+  }
+
+  FILE* file = std::fopen(std::format("{}/cover.jpg", TMP_DOWNLOAD_FOLDER).c_str(), "wb");
+  if (!file) {
+    curl_easy_cleanup(curl);
+    printf("ERROR: Failed to create cover file.\n");
+    return false;
+  }
+
+  curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, nullptr);
+  curl_easy_setopt(curl, CURLOPT_WRITEDATA, file);
+  curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+
+  CURLcode res = curl_easy_perform(curl);
+
+  std::fclose(file);
+  curl_easy_cleanup(curl);
+
+  if (res != CURLE_OK) {
+    printf("ERROR: %s\n", curl_easy_strerror(res));
+    return false;
+  }
+
+  return true;
+}
+
+auto downloadVideo(const std::string& url) -> bool {
+  if (url == "") {
+    printf("ERROR: Cannot download video with empty url\n");
+    return false;
+  }
+
+  ytdlp(
+      std::format("--js-runtimes \"deno:bin/linux/deno\" "
+                  "--quiet "
+                  "-f \"bestaudio/best\" "
+                  "-x --audio-format mp3 "
+                  "-o \"{}/%(title)s.%(ext)s\" "
+                  "{}",
+                  TMP_DOWNLOAD_FOLDER, url));
+
+  printf("Finished downloading video %s.\n", url.c_str());
+  return true;
+}