Add progression save and use spaces instead of tabs

channelsToTreat.txt

@@ -1 +1 @@
-UCt5USYpzzMCYhkirVQGHwKQ
+UCt5USYpzzMCYhkirVQGHwKQ

main.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <fstream>
 #include <set>
+#include <sys/stat.h>
 #include <curl/curl.h>
 #include <nlohmann/json.hpp>
 using namespace std;
@@ -8,10 +9,13 @@ using json = nlohmann::json;
 
 vector<string> getFileContent(string filePath);
 json getJson(string url);
-void print(ostringstream* toPrint),
+void createDirectory(string path),
+     print(ostringstream* toPrint),
      treatComment(json comment);
 string getHttps(string url);
 size_t writeCallback(void* contents, size_t size, size_t nmemb, void* userp);
+bool doesFileExist(string filePath),
+     writeFile(string filePath, string option, string toWrite);
 
 #define API_KEY "AIzaSy..."
 
@@ -19,104 +23,144 @@ size_t writeCallback(void* contents, size_t size, size_t nmemb, void* userp);
 #define PRINT(x) toPrint << x; print(&toPrint);
 ostringstream toPrint;
 
-set<string> channelsToTreat,
+set<string> channelsAlreadyTreated,
-            channelsAlreadyTreated;
+            channelsToTreat;
 unsigned int commentsCount = 0;
 
 int main()
 {
-	vector<string> channelsToTreatVec = getFileContent("channelsToTreat.txt");
+    string channelsToTreatFilePath = "channelsToTreat.txt";
-	channelsToTreat = set(channelsToTreatVec.begin(), channelsToTreatVec.end());
+    vector<string> channelsToTreatVec = getFileContent(channelsToTreatFilePath);
-	
+    channelsToTreat = set(channelsToTreatVec.begin(), channelsToTreatVec.end());
-	PRINT(channelsToTreat.size() << " channel(s) to treat")
-	
-	while(!channelsToTreat.empty())
-	{
-		string channelToTreat = *channelsToTreat.begin();
-		PRINT("Treating channel " << channelToTreat << " (treated: " << channelsAlreadyTreated.size() << ", to treat: " << channelsToTreat.size() << ")")
-		
-		string pageToken = "";
-		while(true)
-		{
-			json data = getJson("commentThreads?part=snippet,replies&allThreadsRelatedToChannelId=" + channelToTreat + "&maxResults=100&pageToken=" + pageToken);
-			bool doesRelyingOnCommentThreadsIsEnough = data["error"]["errors"][0]["reason"] != "commentsDisabled";
-			if(doesRelyingOnCommentThreadsIsEnough)
-			{
-				json items = data["items"];
-				for(const auto& item : items)
-				{
-					json comment = item["snippet"]["topLevelComment"];
-					string commentId = comment["id"];
-					treatComment(comment);
-					if(item.contains("replies"))
-					{
-						json replies = item["replies"]["comments"];
-						if(replies.size() >= 5)
-						{
-							string pageToken = "";
-							while(true)
-							{
-								json data = getJson("comments?part=snippet&parentId=" + commentId + "&maxResults=100&pageToken=" + pageToken);
-								json items = data["items"];
-								for(const auto& item : items)
-								{
-									treatComment(item);
-								}
-								if(data.contains("nextPageToken"))
-								{
-									pageToken = data["nextPageToken"];
-								}
-								else
-								{
-									break;
-								}
-							}
-						}
-						else
-						{
-							for(const auto& reply : replies)
-							{
-								treatComment(reply);
-							}
-						}
-					}
-				}
-				if(data.contains("nextPageToken"))
-				{
-					pageToken = data["nextPageToken"];
-				}
-				else
-				{
-					break;
-				}
-			}
-			else
-			{
-				PRINT("Comments disabled channel!")
-				exit(1);
-			}
-		}
-		
-		PRINT(commentsCount)
-		commentsCount = 0;
-		channelsToTreat.erase(channelToTreat);
-		channelsAlreadyTreated.insert(channelToTreat);
-	}
 
-	return 0;
+    string channelsDirectory = "channels/";
+    createDirectory(channelsDirectory);
+
+    for(const auto& entry : filesystem::directory_iterator(channelsDirectory))
+    {
+        channelsAlreadyTreated.insert(entry.path().filename());
+    }
+
+    PRINT(channelsToTreat.size() << " channel(s) to treat")
+    PRINT(channelsAlreadyTreated.size() << " channel(s) already treated")
+
+    while(!channelsToTreat.empty())
+    {
+        string channelToTreat = *channelsToTreat.begin();
+        PRINT("Treating channel " << channelToTreat << " (treated: " << channelsAlreadyTreated.size() << ", to treat: " << channelsToTreat.size() << ")")
+
+        string pageToken = "";
+        while(true)
+        {
+            json data = getJson("commentThreads?part=snippet,replies&allThreadsRelatedToChannelId=" + channelToTreat + "&maxResults=100&pageToken=" + pageToken);
+            bool doesRelyingOnCommentThreadsIsEnough = data["error"]["errors"][0]["reason"] != "commentsDisabled";
+            if(doesRelyingOnCommentThreadsIsEnough)
+            {
+                json items = data["items"];
+                for(const auto& item : items)
+                {
+                    json comment = item["snippet"]["topLevelComment"];
+                    string commentId = comment["id"];
+                    treatComment(comment);
+                    if(item.contains("replies"))
+                    {
+                        json replies = item["replies"]["comments"];
+                        if(replies.size() >= 5)
+                        {
+                            string pageToken = "";
+                            while(true)
+                            {
+                                json data = getJson("comments?part=snippet&parentId=" + commentId + "&maxResults=100&pageToken=" + pageToken);
+                                json items = data["items"];
+                                for(const auto& item : items)
+                                {
+                                    treatComment(item);
+                                }
+                                if(data.contains("nextPageToken"))
+                                {
+                                    pageToken = data["nextPageToken"];
+                                }
+                                else
+                                {
+                                    break;
+                                }
+                            }
+                        }
+                        else
+                        {
+                            for(const auto& reply : replies)
+                            {
+                                treatComment(reply);
+                            }
+                        }
+                    }
+                }
+                if(data.contains("nextPageToken"))
+                {
+                    pageToken = data["nextPageToken"];
+                }
+                else
+                {
+                    break;
+                }
+            }
+            else
+            {
+                PRINT("Comments disabled channel!")
+                exit(1);
+            }
+        }
+
+        PRINT(commentsCount)
+        commentsCount = 0;
+
+        channelsToTreat.erase(channelToTreat);
+        channelsAlreadyTreated.insert(channelToTreat);
+
+        string channelToTreatDirectory = channelsDirectory + channelToTreat + "/";
+        createDirectory(channelToTreatDirectory);
+
+        string toWrite = (doesFileExist(channelsToTreatFilePath) ? "\n" : "") + channelToTreat;
+        writeFile(channelsToTreatFilePath, "a", toWrite);
+    }
+
+    return 0;
 }
 
 void treatComment(json comment)
 {
-	json snippet = comment["snippet"];
+    json snippet = comment["snippet"];
-	// The `else` case can happen (cf `95a9421ad0469a09335afeddb2983e31dc00bc36`).
+    // The `else` case can happen (cf `95a9421ad0469a09335afeddb2983e31dc00bc36`).
-	if(snippet.contains("authorChannelId"))
+    if(snippet.contains("authorChannelId"))
-	{
+    {
-		string channelId = snippet["authorChannelId"]["value"];
+        string channelId = snippet["authorChannelId"]["value"];
-		if(find(channelsAlreadyTreated.begin(), channelsAlreadyTreated.end(), channelId) == channelsAlreadyTreated.end())
+        if(find(channelsAlreadyTreated.begin(), channelsAlreadyTreated.end(), channelId) == channelsAlreadyTreated.end())
-			channelsToTreat.insert(channelId);
+            channelsToTreat.insert(channelId);
-	}
+    }
-	commentsCount++;
+    commentsCount++;
+}
+
+bool writeFile(string filePath, string option, string toWrite)
+{
+    FILE* file = fopen(filePath.c_str(), option.c_str());
+    if(file != NULL)
+    {
+        fputs(toWrite.c_str(), file);
+        fclose(file);
+        return true;
+    }
+    return false;
+}
+
+bool doesFileExist(string filePath)
+{
+    struct stat buffer;
+    return stat(filePath.c_str(), &buffer) == 0;
+}
+
+void createDirectory(string path)
+{
+    mkdir(path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 }
 
 string getDate()
@@ -130,26 +174,26 @@ string getDate()
 
 vector<string> getFileContent(string filePath)
 {
-	vector<string> lines;
+    vector<string> lines;
-	ifstream infile(filePath.c_str());
+    ifstream infile(filePath.c_str());
     string line;
     while(getline(infile, line))
-		lines.push_back(line);
+        lines.push_back(line);
     return lines;
 }
 
 json getJson(string url)
 {
-	url = "https://www.googleapis.com/youtube/v3/" + url + "&key=" + API_KEY;
+    url = "https://www.googleapis.com/youtube/v3/" + url + "&key=" + API_KEY;
-	string content = getHttps(url);
+    string content = getHttps(url);
-	json data = json::parse(content);
+    json data = json::parse(content);
-	return data;
+    return data;
 }
 
 void print(ostringstream* toPrint)
 {
-	cout << getDate() << ": " << toPrint->str() << endl;
+    cout << getDate() << ": " << toPrint->str() << endl;
-	toPrint->str("");
+    toPrint->str("");
 }
 
 string getHttps(string url)