From ddb1c277a3cade6b070841c6be53c94e3ea9cab1 Mon Sep 17 00:00:00 2001
From: Benedikt Galbavy <if22b082@technikum-wien.at>
Date: Mon, 16 Oct 2023 00:08:59 +0200
Subject: [PATCH] added userhandler (WIP)

---
 .gitignore       |  4 ++++
 server.cpp       |  9 +++++++++
 user.cpp         |  5 +++++
 user.h           | 12 ++++++++----
 user_handler.cpp | 12 ++++++++++++
 user_handler.h   | 36 ++++++++++++++++++++++++++++++++++++
 6 files changed, 74 insertions(+), 4 deletions(-)
 create mode 100644 user_handler.cpp
 create mode 100644 user_handler.h

diff --git a/.gitignore b/.gitignore
index 60a0569..ed84026 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,9 @@
 twmailer-server
 twmailer-client
+spool
+
+.cache
+compile_commands.json
 
 # Prerequisites
 *.d
diff --git a/server.cpp b/server.cpp
index 5ccd6aa..17bdc39 100644
--- a/server.cpp
+++ b/server.cpp
@@ -1,4 +1,5 @@
 #include "user.h"
+#include "user_handler.h"
 
 #include <cstddef>
 #include <cstdio>
@@ -34,6 +35,8 @@ inline bool isInteger(const std::string & s);
 void *clientCommunication(void *data);
 void signalHandler(int sig);
 
+user_handler* user_handler::instancePtr = nullptr;
+
 int main (int argc, char* argv[])
 {
 	if (argc < 3 ||	
@@ -44,6 +47,12 @@ int main (int argc, char* argv[])
 		return EXIT_FAILURE;
 	}
 
+	fs::path spool_dir;
+	user_handler::getInstance()->setSpoolDir(spool_dir = fs::path(argv[2]));
+
+	fs::create_directory(spool_dir/"users");
+	fs::create_directory(spool_dir/"messages");
+
 	char* p;
 	u_long PORT = strtoul(argv[1], &p, 10);
 
diff --git a/user.cpp b/user.cpp
index fdd3f17..4ae6d1b 100644
--- a/user.cpp
+++ b/user.cpp
@@ -1,3 +1,8 @@
 #include "user.h"
 
+user::user(fs::path)
+{
+	// json stuff go here
+}
+
 user::~user() {}
\ No newline at end of file
diff --git a/user.h b/user.h
index f43d3a3..c2eb7cf 100644
--- a/user.h
+++ b/user.h
@@ -5,6 +5,9 @@
 #include <string>
 #include <set>
 
+#include <nlohmann/json.hpp>
+
+namespace fs = std::filesystem;
 
 template <typename  T>
 static const bool ptr_cmp = [](T* left, T* right) { return *left < *right; };
@@ -14,13 +17,14 @@ typedef  std::set<mail*, decltype(ptr_cmp<int>)> maillist;
 class user {
 public:
 
-	user(std::string name, maillist mails)
-	: name(name), mails(mails)
-	{};
+	user(fs::path);
+	user(std::string name)
+	: name(name) {};
+	
 	~user();
 
 	void addMail(mail mail);
-	std::set<mail*> getMails();
+	maillist getMails() { return this->mails; };
 	
 private:
 
diff --git a/user_handler.cpp b/user_handler.cpp
new file mode 100644
index 0000000..9c2708c
--- /dev/null
+++ b/user_handler.cpp
@@ -0,0 +1,12 @@
+#include "user_handler.h"
+
+#include <string>
+
+user_handler::user_handler()
+{
+	for (const auto& entry : fs::directory_iterator()) {
+		if (entry.path().extension() == ".json") {
+			this->users.insert(std::pair<std::string, user*>(fs::path(entry.path()).replace_extension(), new user(entry)));
+		}
+	}
+}
\ No newline at end of file
diff --git a/user_handler.h b/user_handler.h
new file mode 100644
index 0000000..69df5f6
--- /dev/null
+++ b/user_handler.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "user.h"
+#include <filesystem>
+#include <map>
+#include <string>
+
+namespace fs = std::filesystem;
+
+/* singleton for handling users */
+class user_handler {
+public:
+
+	user_handler(const user_handler& obj) = delete;
+
+	static user_handler* getInstance() {
+		if (instancePtr == nullptr) {
+			instancePtr = new user_handler();
+			return instancePtr;
+		} else {
+			return instancePtr;
+		}
+	};
+	~user_handler();
+
+	void setSpoolDir(fs::path p) { this->spool_dir = p; };
+
+private:
+
+	static user_handler* instancePtr;
+	user_handler();
+
+	fs::path spool_dir;
+	std::map<std::string, user*> users;
+	
+};
\ No newline at end of file