diff --git a/CMakeLists.txt b/CMakeLists.txt
index b59602c..8854238 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,4 +9,5 @@ add_executable(${PROJECT_NAME} src/main.cpp src/main.h
 		src/money/recept.cpp src/money/recept.h
 		src/data/data.tpp src/data/data.h
 		src/data/accountData.cpp src/data/accountData.h
-		src/money/earning.cpp src/money/earning.h)
\ No newline at end of file
+		src/money/earning.cpp src/money/earning.h
+		src/data/dateMoney.cpp src/data/dateMoney.h)
\ No newline at end of file
diff --git a/src/data/data.h b/src/data/data.h
index 70bffbf..17a1f47 100644
--- a/src/data/data.h
+++ b/src/data/data.h
@@ -16,7 +16,7 @@ public:
 	rapidjson::Document document;
 	
 	
-	Data(std::string file);
+	explicit Data(std::string file);
 	
 	virtual T createObject() = 0;
 	
diff --git a/src/data/dateMoney.cpp b/src/data/dateMoney.cpp
new file mode 100644
index 0000000..28dbe10
--- /dev/null
+++ b/src/data/dateMoney.cpp
@@ -0,0 +1,25 @@
+//
+// Created by quentin on 8/12/22.
+//
+
+#include "dateMoney.h"
+
+
+
+bool DateMoney::operator<(const DateMoney &rhs) const {
+	return mktime(date) < mktime(rhs.date);
+}
+
+bool DateMoney::operator>(const DateMoney &rhs) const {
+	return rhs < *this;
+}
+
+bool DateMoney::operator<=(const DateMoney &rhs) const {
+	return !(rhs < *this);
+}
+
+bool DateMoney::operator>=(const DateMoney &rhs) const {
+	return !(*this < rhs);
+}
+
+DateMoney::DateMoney(const int *value, tm *date) : value(value), date(date) {}
diff --git a/src/data/dateMoney.h b/src/data/dateMoney.h
new file mode 100644
index 0000000..638dcbc
--- /dev/null
+++ b/src/data/dateMoney.h
@@ -0,0 +1,29 @@
+//
+// Created by quentin on 8/12/22.
+//
+
+#ifndef BUDGET_DATEMONEY_H
+#define BUDGET_DATEMONEY_H
+
+
+#include <ctime>
+
+class DateMoney {
+public:
+	bool operator<(const DateMoney &rhs) const;
+	
+	bool operator>(const DateMoney &rhs) const;
+	
+	bool operator<=(const DateMoney &rhs) const;
+	
+	bool operator>=(const DateMoney &rhs) const;
+	
+	DateMoney(const int *value, tm *date);
+
+private:
+	const int* value;
+	tm *date;
+};
+
+
+#endif //BUDGET_DATEMONEY_H
diff --git a/src/money/account.cpp b/src/money/account.cpp
index 5806d3b..d9e4e75 100644
--- a/src/money/account.cpp
+++ b/src/money/account.cpp
@@ -15,3 +15,28 @@ Account::Account() {
 	withdrawable = true;
 	name = "";
 }
+
+int Account::getValue() {
+	int total = 0;
+	for (auto &transaction : transactions) {
+		total -= transaction.value;
+	}
+	for (auto &earning : earnings) {
+		total += earning.value;
+	}
+	
+	return total;
+}
+
+std::vector<DateMoney> Account::getTimeline() {
+	std::vector<DateMoney> timeline;
+	for (auto &transaction : transactions) {
+		timeline.emplace_back(&transaction.value, transaction.getDate());
+	}
+	for (auto &earning : earnings) {
+		timeline.emplace_back(&earning.value, earning.getDate());
+	}
+	std::sort(timeline.begin(), timeline.end());
+	
+	return timeline;
+}
diff --git a/src/money/account.h b/src/money/account.h
index c592f59..907e5c7 100644
--- a/src/money/account.h
+++ b/src/money/account.h
@@ -8,8 +8,10 @@
 
 #include "transaction.h"
 #include "earning.h"
+#include "../data/dateMoney.h"
 #include <list>
 #include <string>
+#include <vector>
 
 class Account {
 public:
@@ -17,6 +19,10 @@ public:
 			std::string name);
 	
 	Account();
+	
+	int getValue();
+	std::vector<DateMoney> getTimeline();
+	
 
 private:
 	std::list<Transaction> transactions;
diff --git a/src/money/earning.cpp b/src/money/earning.cpp
index 6e622a8..3bc307f 100644
--- a/src/money/earning.cpp
+++ b/src/money/earning.cpp
@@ -5,3 +5,7 @@
 #include "earning.h"
 
 Earning::Earning(const int value, std::tm date) : value(value), date(date) {}
+
+tm *Earning::getDate() {
+	return &date;
+}
diff --git a/src/money/earning.h b/src/money/earning.h
index 9a116d4..f79f079 100644
--- a/src/money/earning.h
+++ b/src/money/earning.h
@@ -8,11 +8,13 @@
 #include <ctime>
 
 class Earning {
-public:
-	explicit Earning(int value, std::tm date);
-
 public:
 	const int value;
+	
+	explicit Earning(int value, std::tm date);
+	tm *getDate();
+	
+private:
 	std::tm date;
 };
 
diff --git a/src/money/transaction.cpp b/src/money/transaction.cpp
index 3b73ea3..5f8b6a0 100644
--- a/src/money/transaction.cpp
+++ b/src/money/transaction.cpp
@@ -15,6 +15,6 @@ Receipt &Transaction::getReceipt() {
 	return receipt;
 }
 
-std::tm &Transaction::getDate() {
-	return date;
+tm * Transaction::getDate() {
+	return &date;
 }
diff --git a/src/money/transaction.h b/src/money/transaction.h
index c6f017d..8777f71 100644
--- a/src/money/transaction.h
+++ b/src/money/transaction.h
@@ -17,7 +17,7 @@ public:
 	
 	Receipt &getReceipt();
 	
-	std::tm &getDate();
+	tm * getDate();
 
 
 private: