diff --git a/cargoentity.cpp b/cargoentity.cpp
index dbedcc0..1b63d35 100644
--- a/cargoentity.cpp
+++ b/cargoentity.cpp
@@ -1,6 +1,7 @@
 #include "cargoentity.h"
 
-CargoEntity::CargoEntity()
+CargoEntity::CargoEntity(QString c_id, DeliveryPointEntity dest)
 {
-
+    this->_cargo_id = c_id;
+    this->_destination = dest;
 }
diff --git a/cargoentity.h b/cargoentity.h
index e5fbdf0..a682774 100644
--- a/cargoentity.h
+++ b/cargoentity.h
@@ -1,11 +1,18 @@
 #ifndef CARGOENTITY_H
 #define CARGOENTITY_H
 
+#include "deliverypointentity.h"
+
+#include <QString>
+
 
 class CargoEntity
 {
+    QString _cargo_id;
+    DeliveryPointEntity _destination;
+
 public:
-    CargoEntity();
+    CargoEntity(QString _cargo_id, DeliveryPointEntity _destination);
 };
 
 #endif // CARGOENTITY_H
diff --git a/deliverypointentity.cpp b/deliverypointentity.cpp
new file mode 100644
index 0000000..f541f83
--- /dev/null
+++ b/deliverypointentity.cpp
@@ -0,0 +1,6 @@
+#include "deliverypointentity.h"
+
+DeliveryPointEntity::DeliveryPointEntity(QString title)
+{
+    this->_title = title;
+}
diff --git a/deliverypointentity.h b/deliverypointentity.h
new file mode 100644
index 0000000..6cb566f
--- /dev/null
+++ b/deliverypointentity.h
@@ -0,0 +1,19 @@
+#ifndef DELIVERYPOINTENTITY_H
+#define DELIVERYPOINTENTITY_H
+
+#include "storageentity.h"
+
+#include <QString>
+#include <vector>
+
+
+class DeliveryPointEntity
+{
+    QString _title;
+    std::vector<StorageEntity> _storage;
+
+public:
+    DeliveryPointEntity(QString title);
+};
+
+#endif // DELIVERYPOINTENTITY_H
diff --git a/sea_transport.pro b/sea_transport.pro
index fa7d61e..16df44b 100644
--- a/sea_transport.pro
+++ b/sea_transport.pro
@@ -10,18 +10,37 @@ CONFIG += c++11
 
 SOURCES += \
     authwindow.cpp \
+    cargoeditdialog.cpp \
+    cargoentity.cpp \
+    deliverypointeditdialog.cpp \
+    deliverypointentity.cpp \
     main.cpp \
-    mainwindow.cpp \
-    vesseleditdialog.cpp
+    storageeditdialog.cpp \
+    storageentity.cpp \
+    usereditdialog.cpp \
+    userentity.cpp \
+    vesseleditdialog.cpp \
+    vesselentity.cpp
 
 HEADERS += \
     authwindow.h \
-    mainwindow.h \
-    vesseleditdialog.h
+    cargoeditdialog.h \
+    cargoentity.h \
+    deliverypointeditdialog.h \
+    deliverypointentity.h \
+    storageeditdialog.h \
+    storageentity.h \
+    usereditdialog.h \
+    userentity.h \
+    vesseleditdialog.h \
+    vesselentity.h
 
 FORMS += \
     authwindow.ui \
-    mainwindow.ui \
+    cargoeditdialog.ui \
+    deliverypointeditdialog.ui \
+    storageeditdialog.ui \
+    usereditdialog.ui \
     vesseleditdialog.ui
 
 # Default rules for deployment.
diff --git a/storageentity.cpp b/storageentity.cpp
new file mode 100644
index 0000000..31b70bb
--- /dev/null
+++ b/storageentity.cpp
@@ -0,0 +1,8 @@
+#include "storageentity.h"
+
+StorageEntity::StorageEntity(int st_id, int mx_cap)
+{
+    this->_storage_id = st_id;
+    this->_max_capacity = mx_cap;
+    this->_cargo.reserve(mx_cap);
+}
diff --git a/storageentity.h b/storageentity.h
new file mode 100644
index 0000000..5ec6d36
--- /dev/null
+++ b/storageentity.h
@@ -0,0 +1,19 @@
+#ifndef STORAGEENTITY_H
+#define STORAGEENTITY_H
+
+#include "cargoentity.h"
+
+#include <vector>
+
+
+class StorageEntity
+{
+    int _storage_id;
+    int _max_capacity;
+    std::vector<CargoEntity> _cargo;
+
+public:
+    StorageEntity(int st_id, int mx_cap);
+};
+
+#endif // STORAGEENTITY_H
diff --git a/userentity.cpp b/userentity.cpp
new file mode 100644
index 0000000..55971e9
--- /dev/null
+++ b/userentity.cpp
@@ -0,0 +1,14 @@
+#include "userentity.h"
+
+UserEntity::UserEntity(QString login, QString password, UserEntity::UserRoleEnum role)
+{
+    this->_login = login;
+
+    this->_password_hash = 0;
+    for (auto pchar : password) {
+        this->_password_hash += pchar.unicode();
+    }
+    this->_password_hash %= (1 << 16);
+
+    this->_role = role;
+}
diff --git a/userentity.h b/userentity.h
new file mode 100644
index 0000000..f1ec583
--- /dev/null
+++ b/userentity.h
@@ -0,0 +1,22 @@
+#ifndef USERENTITY_H
+#define USERENTITY_H
+
+#include <QString>
+
+typedef long long pwd_type;
+
+class UserEntity
+{
+    QString _login;
+    pwd_type _password_hash;
+    enum UserRoleEnum {
+        ADMINISTRATOR = 0,
+        DISPATCHER = 1,
+        CAPTAIN = 2
+    } _role;
+
+public:
+    UserEntity(QString login, QString password, UserEntity::UserRoleEnum role);
+};
+
+#endif // USERENTITY_H
diff --git a/vesselentity.cpp b/vesselentity.cpp
new file mode 100644
index 0000000..14cf57d
--- /dev/null
+++ b/vesselentity.cpp
@@ -0,0 +1,9 @@
+#include "vesselentity.h"
+
+VesselEntity::VesselEntity(int v_id, QString hp, int mx_cap)
+{
+    this->_vessel_id = v_id;
+    this->_home_port = hp;
+    this->_max_capacity = mx_cap;
+    this->_cargo_list.reserve(mx_cap);
+}
diff --git a/vesselentity.h b/vesselentity.h
new file mode 100644
index 0000000..abb8453
--- /dev/null
+++ b/vesselentity.h
@@ -0,0 +1,21 @@
+#ifndef VESSELENTITY_H
+#define VESSELENTITY_H
+
+#include "cargoentity.h"
+
+#include <QString>
+#include <vector>
+
+
+class VesselEntity
+{
+    int _vessel_id;
+    QString _home_port;
+    int _max_capacity;
+    std::vector<CargoEntity> _cargo_list;
+
+public:
+    VesselEntity(int v_id, QString hp, int mx_cap);
+};
+
+#endif // VESSELENTITY_H