diff --git a/cmd/photos-api-cli/upload.go b/cmd/photos-api-cli/upload.go
index f7f7355..efd516b 100644
--- a/cmd/photos-api-cli/upload.go
+++ b/cmd/photos-api-cli/upload.go
@@ -12,7 +12,7 @@ import (
 
 	"github.com/go-resty/resty/v2"
 	"github.com/schollz/progressbar/v3"
-	"gitlab.celogeek.com/photos/api/internal/photos/api"
+	photosapi "gitlab.celogeek.com/photos/api/internal/photos/api"
 )
 
 type UploadCommand struct {
@@ -82,8 +82,8 @@ func (c *UploadCommand) FileUpload(sum string) error {
 	if err != nil {
 		return err
 	}
-	nbChunks := st.Size() / api.CHUNK_SIZE
-	if st.Size()%api.CHUNK_SIZE > 0 {
+	nbChunks := st.Size() / photosapi.CHUNK_SIZE
+	if st.Size()%photosapi.CHUNK_SIZE > 0 {
 		nbChunks++
 	}
 
@@ -105,7 +105,7 @@ func (c *UploadCommand) FileUpload(sum string) error {
 	for w := uint32(0); w < c.Workers; w++ {
 		go func(w uint32) {
 			defer wg.Done()
-			b := make([]byte, api.CHUNK_SIZE)
+			b := make([]byte, photosapi.CHUNK_SIZE)
 			for {
 				mu.Lock()
 				part := i
diff --git a/cmd/photos-api/main.go b/cmd/photos-api/main.go
index 2da9956..3ed65d5 100644
--- a/cmd/photos-api/main.go
+++ b/cmd/photos-api/main.go
@@ -6,7 +6,7 @@ import (
 	"log"
 
 	"gitlab.celogeek.com/photos/api/internal/env"
-	"gitlab.celogeek.com/photos/api/internal/photos/api"
+	photosapi "gitlab.celogeek.com/photos/api/internal/photos/api"
 )
 
 var (
@@ -23,8 +23,8 @@ var (
 )
 
 func main() {
-	config := &api.ServiceConfig{
-		DB: &api.DBConfig{},
+	config := &photosapi.ServiceConfig{
+		DB: &photosapi.DBConfig{},
 	}
 
 	flag.StringVar(&config.Listen, "listen", listen, "Listen address")
@@ -52,7 +52,7 @@ func main() {
 		return
 	}
 
-	p := api.New(config)
+	p := photosapi.New(config)
 
 	if err := p.Run(); err != nil {
 		log.Fatal(err)
diff --git a/internal/photos/api/account.go b/internal/photos/api/account.go
index 512516f..6054640 100644
--- a/internal/photos/api/account.go
+++ b/internal/photos/api/account.go
@@ -1,16 +1,56 @@
-package api
+package photosapi
 
 import (
+	"crypto"
+	"encoding/base64"
 	"errors"
 	"net/http"
+	"time"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
-	"gitlab.celogeek.com/photos/api/internal/photos/models"
 	"gopkg.in/validator.v2"
 	"gorm.io/gorm"
 )
 
+// Errors
+var (
+	ErrAccountExists = errors.New("account exists")
+	ErrAccountAuth   = errors.New("login or password incorrect")
+)
+
+// Model
+type Account struct {
+	ID                uint32    `gorm:"primary_key" json:"-"`
+	Login             string    `gorm:"unique;size:64;not null" json:"login"`
+	Password          string    `gorm:"-" json:"-"`
+	EncryptedPassword string    `gorm:"size:44;not null" json:"-"`
+	CreatedAt         time.Time `json:"created_at"`
+	UpdatedAt         time.Time `json:"-"`
+}
+
+func (a *Account) BeforeCreate(tx *gorm.DB) error {
+	if a.EncryptedPassword == "" {
+		a.EncryptPassword()
+	}
+	return nil
+}
+
+func (a *Account) EncryptPassword() {
+	sha1 := crypto.SHA256.New()
+	sha1.Write([]byte(a.Password))
+	a.EncryptedPassword = base64.StdEncoding.EncodeToString(sha1.Sum(nil))
+}
+
+func NewAccount(login string, password string) *Account {
+	a := &Account{
+		Login:    login,
+		Password: password,
+	}
+	a.EncryptPassword()
+	return a
+}
+
+// Service
 type SignupOrLoginRequest struct {
 	Login    string `validate:"min=3,max=40,regexp=^[a-zA-Z0-9]*$"`
 	Password string `validate:"min=8,max=40"`
@@ -29,15 +69,15 @@ func (s *Service) Signup(c *gin.Context) {
 	}
 
 	var accountExists int64
-	if err := s.DB.Model(&models.Account{}).Where("login = ?", account.Login).Count(&accountExists).Error; err != nil {
+	if err := s.DB.Model(&Account{}).Where("login = ?", account.Login).Count(&accountExists).Error; err != nil {
 		s.Error(c, http.StatusInternalServerError, err)
 		return
 	}
 	if accountExists > 0 {
-		s.Error(c, http.StatusConflict, photoserrors.ErrAccountExists)
+		s.Error(c, http.StatusConflict, ErrAccountExists)
 		return
 	}
-	if err := s.DB.Create(models.NewAccount(account.Login, account.Password)).Error; err != nil {
+	if err := s.DB.Create(NewAccount(account.Login, account.Password)).Error; err != nil {
 		s.Error(c, http.StatusConflict, err)
 		return
 	}
@@ -55,10 +95,10 @@ func (s *Service) Login(c *gin.Context) {
 		return
 	}
 
-	session, err := models.NewSession(s.DB, account.Login, account.Password)
+	session, err := NewSession(s.DB, account.Login, account.Password)
 	if err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			s.Error(c, http.StatusNotFound, photoserrors.ErrAccountAuth)
+			s.Error(c, http.StatusNotFound, ErrAccountAuth)
 		} else {
 			s.Error(c, http.StatusInternalServerError, err)
 		}
@@ -72,13 +112,13 @@ func (s *Service) Login(c *gin.Context) {
 }
 
 func (s *Service) Logout(c *gin.Context) {
-	res := s.DB.Where("token = ?", c.GetString("token")).Delete(&models.Session{})
+	res := s.DB.Where("token = ?", c.GetString("token")).Delete(&Session{})
 	if res.Error != nil {
 		s.Error(c, http.StatusInternalServerError, res.Error)
 		return
 	}
 	if res.RowsAffected == 0 {
-		s.Error(c, http.StatusNotFound, photoserrors.ErrSessionNotFound)
+		s.Error(c, http.StatusNotFound, ErrSessionNotFound)
 		return
 	}
 	c.JSON(http.StatusOK, gin.H{
diff --git a/internal/photos/api/check_body.go b/internal/photos/api/check_body.go
index 6ae2ea2..4a63fd5 100644
--- a/internal/photos/api/check_body.go
+++ b/internal/photos/api/check_body.go
@@ -1,15 +1,19 @@
-package api
+package photosapi
 
 import (
+	"errors"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
+)
+
+var (
+	ErrReqMissingBody = errors.New("missing body")
 )
 
 func (s *Service) RequireBody(c *gin.Context) {
 	if c.Request.Method == "POST" && c.Request.ContentLength == 0 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrReqMissingBody)
+		s.Error(c, http.StatusBadRequest, ErrReqMissingBody)
 		return
 	}
 }
diff --git a/internal/photos/api/db.go b/internal/photos/api/db.go
index 3e7f40f..4ebab3a 100644
--- a/internal/photos/api/db.go
+++ b/internal/photos/api/db.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"fmt"
@@ -6,7 +6,6 @@ import (
 	"os"
 	"time"
 
-	"gitlab.celogeek.com/photos/api/internal/photos/models"
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
@@ -33,10 +32,10 @@ func (d *DBConfig) DSN() string {
 
 func (s *Service) Migrate() {
 	tx := s.DB
-	tx.AutoMigrate(&models.Account{})
-	tx.AutoMigrate(&models.Session{})
-	tx.AutoMigrate(&models.File{})
-	tx.AutoMigrate(&models.FileChunk{})
+	tx.AutoMigrate(&Account{})
+	tx.AutoMigrate(&Session{})
+	tx.AutoMigrate(&File{})
+	tx.AutoMigrate(&FileChunk{})
 }
 
 func (s *Service) DBConnect() {
diff --git a/internal/photos/api/dump.go b/internal/photos/api/dump.go
index e45bbac..94ee214 100644
--- a/internal/photos/api/dump.go
+++ b/internal/photos/api/dump.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"bytes"
diff --git a/internal/photos/api/errors.go b/internal/photos/api/errors.go
index 92bc1f5..674f3d5 100644
--- a/internal/photos/api/errors.go
+++ b/internal/photos/api/errors.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"github.com/gin-gonic/gin"
diff --git a/internal/photos/api/file.go b/internal/photos/api/file.go
index d9430fa..0db0bc8 100644
--- a/internal/photos/api/file.go
+++ b/internal/photos/api/file.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"bytes"
@@ -9,47 +9,82 @@ import (
 	"net/http"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/dsoprea/go-exif/v3"
 	"github.com/gin-gonic/gin"
 	"github.com/jackc/pgconn"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
-	"gitlab.celogeek.com/photos/api/internal/photos/models"
 	"gorm.io/gorm"
 )
 
+// Error
+var (
+	// Store
+	ErrStoreBadChecksum        = errors.New("checksum should be sha1 in hex format")
+	ErrStoreBadChunkSize       = errors.New("part file size should be 1MB max")
+	ErrStoreMissingChunks      = errors.New("part checksum missing")
+	ErrStoreWrongChecksum      = errors.New("wrong checksum")
+	ErrStoreMismatchChecksum   = errors.New("part files doesn't match the original checksum")
+	ErrStoreAlreadyExists      = errors.New("original file already exists")
+	ErrStoreChunkAlreadyExists = errors.New("chunk file already exists")
+	ErrStoreMissingName        = errors.New("name required")
+)
+
+// Model
+type File struct {
+	ID        uint32       `gorm:"primary_key" json:"id"`
+	Name      string       `gorm:"not null" json:"name"`
+	Checksum  string       `gorm:"unique;size:44;not null"`
+	Size      uint64       `gorm:"not null"`
+	Author    *Account     `gorm:"constraint:OnDelete:SET NULL,OnUpdate:CASCADE" json:"author"`
+	AuthorId  *uint32      `json:"-"`
+	Chunks    []*FileChunk `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
+	CreatedAt time.Time    `json:"created_at"`
+	UpdatedAt time.Time    `json:"updated_at"`
+}
+
+type FileChunk struct {
+	FileId    uint32
+	File      *File `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
+	Part      uint32
+	Checksum  string    `gorm:"unique;size:44;not null"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+// Service
 var CHUNK_SIZE int64 = 4 << 20
 
-type File struct {
+type FileRequest struct {
 	Name     string   `json:"name"`
 	Checksum string   `json:"checksum"`
 	Chunks   []string `json:"chunks"`
 }
 
 func (s *Service) FileCreate(c *gin.Context) {
-	file := &File{}
+	file := &FileRequest{}
 	if err := c.ShouldBindJSON(file); err != nil {
 		s.Error(c, http.StatusInternalServerError, err)
 		return
 	}
 
 	if len(file.Name) < 1 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreMissingName)
+		s.Error(c, http.StatusBadRequest, ErrStoreMissingName)
 		return
 	}
 
 	if len(file.Checksum) != 40 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 		return
 	}
 	if len(file.Chunks) == 0 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreMissingChunks)
+		s.Error(c, http.StatusBadRequest, ErrStoreMissingChunks)
 		return
 	}
 
 	for _, chunk := range file.Chunks {
 		if len(chunk) != 40 {
-			s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+			s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 			return
 		}
 	}
@@ -65,13 +100,13 @@ func (s *Service) FileCreate(c *gin.Context) {
 	}
 
 	if r != file.Checksum {
-		s.Error(c, http.StatusExpectationFailed, photoserrors.ErrStoreMismatchChecksum)
+		s.Error(c, http.StatusExpectationFailed, ErrStoreMismatchChecksum)
 		return
 	}
 
 	sess := s.CurrentSession(c)
 
-	f := &models.File{
+	f := &File{
 		Name:     file.Name,
 		Checksum: file.Checksum,
 		Size:     rs,
@@ -83,7 +118,7 @@ func (s *Service) FileCreate(c *gin.Context) {
 			return err
 		}
 		for i, chunk := range file.Chunks {
-			fc := &models.FileChunk{
+			fc := &FileChunk{
 				FileId:   f.ID,
 				Part:     uint32(i + 1),
 				Checksum: chunk,
@@ -116,7 +151,7 @@ func (s *Service) FileCreate(c *gin.Context) {
 
 func (s *Service) FileCreateChunk(c *gin.Context) {
 	if c.Request.ContentLength > CHUNK_SIZE {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChunkSize)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChunkSize)
 		return
 	}
 
@@ -127,8 +162,8 @@ func (s *Service) FileCreateChunk(c *gin.Context) {
 	sess := s.CurrentSession(c)
 
 	chunk := s.Store.NewChunk(b.Bytes())
-	if err := chunk.Save(sess); err != nil {
-		if errors.Is(err, photoserrors.ErrStoreChunkAlreadyExists) {
+	if err := chunk.Save(sess.Account.Login); err != nil {
+		if errors.Is(err, ErrStoreChunkAlreadyExists) {
 			c.JSON(http.StatusOK, gin.H{
 				"status":   "success",
 				"checksum": chunk.Sum,
@@ -148,7 +183,7 @@ func (s *Service) FileCreateChunk(c *gin.Context) {
 func (s *Service) FileChunkExists(c *gin.Context) {
 	checksum := c.Param("checksum")
 	if len(checksum) != 40 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 		return
 	}
 
@@ -162,12 +197,12 @@ func (s *Service) FileChunkExists(c *gin.Context) {
 func (s *Service) FileExists(c *gin.Context) {
 	checksum := c.Param("checksum")
 	if len(checksum) != 40 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 		return
 	}
 
 	var fileExists int64
-	if err := s.DB.Model(&models.File{}).Where("checksum = ?", checksum).Count(&fileExists).Error; err != nil {
+	if err := s.DB.Model(&File{}).Where("checksum = ?", checksum).Count(&fileExists).Error; err != nil {
 		s.Error(c, http.StatusInternalServerError, err)
 		return
 	}
@@ -182,7 +217,7 @@ func (s *Service) FileExists(c *gin.Context) {
 func (s *Service) FileGet(c *gin.Context) {
 	checksum := c.Param("checksum")
 	if len(checksum) != 40 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 		return
 	}
 	if checksum == c.GetHeader("If-None-Match") {
@@ -190,7 +225,7 @@ func (s *Service) FileGet(c *gin.Context) {
 		return
 	}
 
-	f := &models.File{}
+	f := &File{}
 	if err := s.DB.Debug().Preload("Chunks").Where("checksum = ?", checksum).First(&f).Error; err != nil {
 		s.Error(c, http.StatusBadRequest, err)
 		return
@@ -223,11 +258,11 @@ func (s *Service) FileGet(c *gin.Context) {
 func (s *Service) FileAnalyze(c *gin.Context) {
 	checksum := c.Param("checksum")
 	if len(checksum) != 40 {
-		s.Error(c, http.StatusBadRequest, photoserrors.ErrStoreBadChecksum)
+		s.Error(c, http.StatusBadRequest, ErrStoreBadChecksum)
 		return
 	}
 
-	f := &models.File{}
+	f := &File{}
 	if err := s.DB.Debug().Preload("Chunks").Where("checksum = ?", checksum).First(&f).Error; err != nil {
 		s.Error(c, http.StatusBadRequest, err)
 		return
diff --git a/internal/photos/api/logger.go b/internal/photos/api/logger.go
index 20c3123..8622d5c 100644
--- a/internal/photos/api/logger.go
+++ b/internal/photos/api/logger.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"fmt"
diff --git a/internal/photos/api/main.go b/internal/photos/api/main.go
index 05da661..1dac4be 100644
--- a/internal/photos/api/main.go
+++ b/internal/photos/api/main.go
@@ -1,7 +1,8 @@
-package api
+package photosapi
 
 import (
 	"context"
+	"errors"
 	"math/rand"
 	"net/http"
 	"os"
@@ -9,16 +10,20 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
-	"gitlab.celogeek.com/photos/api/internal/photos/store"
+	photosstore "gitlab.celogeek.com/photos/api/internal/photos/store"
 	"gorm.io/gorm"
 )
 
+var (
+	ErrReqNotFound            = errors.New("this route doesn't exists")
+	ErrStorePathNotADirectory = errors.New("store path is not a directory")
+)
+
 type Service struct {
 	Gin     *gin.Engine
 	DB      *gorm.DB
 	Config  *ServiceConfig
-	Store   *store.Store
+	Store   *photosstore.Store
 	Storage *Storage
 	LogOk   *Logger
 	LogErr  *Logger
@@ -34,7 +39,7 @@ func New(config *ServiceConfig) *Service {
 	return &Service{
 		Gin:     gin.New(),
 		Config:  config,
-		Store:   &store.Store{Path: config.StorePath},
+		Store:   &photosstore.Store{Path: config.StorePath},
 		Storage: &Storage{Path: config.StorePath},
 		LogOk:   &Logger{os.Stdout, "Photos"},
 		LogErr:  &Logger{os.Stderr, "Photos"},
@@ -54,7 +59,7 @@ func (s *Service) SetupRoutes() {
 	s.UploadInit()
 
 	s.Gin.NoRoute(func(c *gin.Context) {
-		s.Error(c, http.StatusNotFound, photoserrors.ErrReqNotFound)
+		s.Error(c, http.StatusNotFound, ErrReqNotFound)
 	})
 }
 
@@ -64,7 +69,7 @@ func (s *Service) PrepareStore() {
 		s.LogErr.Fatal("Store", err)
 	}
 	if !d.IsDir() {
-		s.LogErr.Fatal("Store", photoserrors.ErrStorePathNotADirectory)
+		s.LogErr.Fatal("Store", ErrStorePathNotADirectory)
 	}
 }
 
diff --git a/internal/photos/api/me.go b/internal/photos/api/me.go
index ace2b0f..774d8d5 100644
--- a/internal/photos/api/me.go
+++ b/internal/photos/api/me.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"net/http"
diff --git a/internal/photos/api/recovery.go b/internal/photos/api/recovery.go
index bedebab..db2ce6d 100644
--- a/internal/photos/api/recovery.go
+++ b/internal/photos/api/recovery.go
@@ -1,17 +1,23 @@
-package api
+package photosapi
 
 import (
+	"errors"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
 )
 
+// Errors
+var (
+	ErrUnexpected = errors.New("an unexpected error occur")
+)
+
+// Service
 func (s *Service) Recovery(c *gin.Context) {
 	defer func() {
 		if err := recover(); err != nil {
 			s.LogErr.Print("PANIC", err)
-			s.Error(c, http.StatusInternalServerError, photoserrors.ErrUnexpected)
+			s.Error(c, http.StatusInternalServerError, ErrUnexpected)
 		}
 	}()
 	c.Next()
diff --git a/internal/photos/api/session.go b/internal/photos/api/session.go
index 4db4547..53ff28e 100644
--- a/internal/photos/api/session.go
+++ b/internal/photos/api/session.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"errors"
@@ -7,25 +7,68 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
-	"gitlab.celogeek.com/photos/api/internal/photos/models"
+	"github.com/google/uuid"
 	"gorm.io/gorm"
 )
 
+// Errors
+var (
+	ErrSessionNotFound = errors.New("session not found")
+	ErrSessionInvalid  = errors.New("session invalid")
+	ErrTokenMissing    = errors.New("token missing")
+)
+
+// Model
+type Session struct {
+	ID        uint32   `gorm:"primary_key"`
+	Token     string   `gorm:"size:36"`
+	Account   *Account `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
+	AccountId uint32   `gorm:"not null"`
+	CreatedAt time.Time
+	UpdatedAt time.Time
+}
+
+func (s *Session) BeforeCreate(tx *gorm.DB) error {
+	uuid, err := uuid.NewRandom()
+	if err != nil {
+		return err
+	}
+	s.Token = uuid.String()
+	return nil
+}
+
+func NewSession(tx *gorm.DB, login string, password string) (*Session, error) {
+	account := NewAccount(login, password)
+	if err := tx.Where(
+		"login = ? and encrypted_password = ?",
+		account.Login,
+		account.EncryptedPassword,
+	).First(account).Error; err != nil {
+		return nil, err
+	}
+
+	session := &Session{Account: account}
+	if err := tx.Create(session).Error; err != nil {
+		return nil, err
+	}
+	return session, nil
+}
+
+// Service
 func (s *Service) RequireAuthToken(c *gin.Context) {
 	tokenAuth := c.GetHeader("Authorization")
 	tokenCookie, _ := c.Cookie("photoapitoken")
 
 	if tokenAuth != "" {
 		if !strings.HasPrefix(tokenAuth, "Private ") {
-			s.Error(c, http.StatusForbidden, photoserrors.ErrTokenMissing)
+			s.Error(c, http.StatusForbidden, ErrTokenMissing)
 		} else {
 			c.Set("token", tokenAuth[8:])
 		}
 	} else if tokenCookie != "" {
 		c.Set("token", tokenCookie)
 	} else {
-		s.Error(c, http.StatusForbidden, photoserrors.ErrTokenMissing)
+		s.Error(c, http.StatusForbidden, ErrTokenMissing)
 	}
 }
 
@@ -35,17 +78,17 @@ func (s *Service) RequireSession(c *gin.Context) {
 		return
 	}
 
-	sess := &models.Session{}
+	sess := &Session{}
 	if err := s.DB.Preload("Account").Where("token = ?", c.GetString("token")).First(sess).Error; err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			s.Error(c, http.StatusForbidden, photoserrors.ErrSessionNotFound)
+			s.Error(c, http.StatusForbidden, ErrSessionNotFound)
 		} else {
 			s.Error(c, http.StatusForbidden, err)
 		}
 		return
 	}
 	if sess.Account == nil {
-		s.Error(c, http.StatusInternalServerError, photoserrors.ErrSessionInvalid)
+		s.Error(c, http.StatusInternalServerError, ErrSessionInvalid)
 		return
 	}
 	s.DB.Select("updated_at").Save(sess)
@@ -53,15 +96,15 @@ func (s *Service) RequireSession(c *gin.Context) {
 	c.Set("session", sess)
 }
 
-func (s *Service) CurrentSession(c *gin.Context) *models.Session {
-	return c.MustGet("session").(*models.Session)
+func (s *Service) CurrentSession(c *gin.Context) *Session {
+	return c.MustGet("session").(*Session)
 }
 
 func (s *Service) SessionCleaner() {
 	for range time.Tick(time.Minute) {
 		t := time.Now().UTC().Add(-3 * time.Hour).Truncate(time.Minute)
 		s.LogOk.Printf("Session", "Cleaning old session < %s", t)
-		if err := s.DB.Where("updated_at < ?", t).Delete(&models.Session{}).Error; err != nil {
+		if err := s.DB.Where("updated_at < ?", t).Delete(&Session{}).Error; err != nil {
 			s.LogErr.Printf("Session", "Cleaning failed: %s", err)
 		}
 	}
diff --git a/internal/photos/api/storage.go b/internal/photos/api/storage.go
index 1ec2197..13d31cc 100644
--- a/internal/photos/api/storage.go
+++ b/internal/photos/api/storage.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"fmt"
diff --git a/internal/photos/api/upload.go b/internal/photos/api/upload.go
index 26592c1..5880efc 100644
--- a/internal/photos/api/upload.go
+++ b/internal/photos/api/upload.go
@@ -1,4 +1,4 @@
-package api
+package photosapi
 
 import (
 	"crypto/sha256"
diff --git a/internal/photos/errors/accounts.go b/internal/photos/errors/accounts.go
deleted file mode 100644
index e1a277e..0000000
--- a/internal/photos/errors/accounts.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-	// Account
-	ErrAccountExists = errors.New("account exists")
-	ErrAccountAuth   = errors.New("login or password incorrect")
-)
diff --git a/internal/photos/errors/albums.go b/internal/photos/errors/albums.go
deleted file mode 100644
index 1cf28b4..0000000
--- a/internal/photos/errors/albums.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-
-	// Album
-	ErrAlbumDontExists = errors.New("album doesn't exists")
-)
diff --git a/internal/photos/errors/panic.go b/internal/photos/errors/panic.go
deleted file mode 100644
index 082b5a0..0000000
--- a/internal/photos/errors/panic.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-
-	// Panic
-	ErrUnexpected = errors.New("an unexpected error occur")
-)
diff --git a/internal/photos/errors/requests.go b/internal/photos/errors/requests.go
deleted file mode 100644
index 5ff6913..0000000
--- a/internal/photos/errors/requests.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-	// Request
-	ErrReqMissingBody = errors.New("missing body")
-	ErrReqNotFound    = errors.New("this route doesn't exists")
-)
diff --git a/internal/photos/errors/session.go b/internal/photos/errors/session.go
deleted file mode 100644
index 353f868..0000000
--- a/internal/photos/errors/session.go
+++ /dev/null
@@ -1,10 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-	// Session
-	ErrSessionNotFound = errors.New("session not found")
-	ErrSessionInvalid  = errors.New("session invalid")
-	ErrTokenMissing    = errors.New("token missing")
-)
diff --git a/internal/photos/errors/store.go b/internal/photos/errors/store.go
deleted file mode 100644
index 22ec2a1..0000000
--- a/internal/photos/errors/store.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package photoserrors
-
-import "errors"
-
-var (
-	// Store
-	ErrStorePathNotADirectory  = errors.New("store path is not a directory")
-	ErrStoreBadChecksum        = errors.New("checksum should be sha1 in hex format")
-	ErrStoreBadChunkSize       = errors.New("part file size should be 1MB max")
-	ErrStoreMissingChunks      = errors.New("part checksum missing")
-	ErrStoreWrongChecksum      = errors.New("wrong checksum")
-	ErrStoreMismatchChecksum   = errors.New("part files doesn't match the original checksum")
-	ErrStoreAlreadyExists      = errors.New("original file already exists")
-	ErrStoreChunkAlreadyExists = errors.New("chunk file already exists")
-	ErrStoreMissingName        = errors.New("name required")
-)
diff --git a/internal/photos/models/account.go b/internal/photos/models/account.go
deleted file mode 100644
index f7b0f6f..0000000
--- a/internal/photos/models/account.go
+++ /dev/null
@@ -1,40 +0,0 @@
-package models
-
-import (
-	"crypto"
-	"encoding/base64"
-	"time"
-
-	"gorm.io/gorm"
-)
-
-type Account struct {
-	ID                uint32    `gorm:"primary_key" json:"-"`
-	Login             string    `gorm:"unique;size:64;not null" json:"login"`
-	Password          string    `gorm:"-" json:"-"`
-	EncryptedPassword string    `gorm:"size:44;not null" json:"-"`
-	CreatedAt         time.Time `json:"created_at"`
-	UpdatedAt         time.Time `json:"-"`
-}
-
-func (a *Account) BeforeCreate(tx *gorm.DB) error {
-	if a.EncryptedPassword == "" {
-		a.EncryptPassword()
-	}
-	return nil
-}
-
-func (a *Account) EncryptPassword() {
-	sha1 := crypto.SHA256.New()
-	sha1.Write([]byte(a.Password))
-	a.EncryptedPassword = base64.StdEncoding.EncodeToString(sha1.Sum(nil))
-}
-
-func NewAccount(login string, password string) *Account {
-	a := &Account{
-		Login:    login,
-		Password: password,
-	}
-	a.EncryptPassword()
-	return a
-}
diff --git a/internal/photos/models/file.go b/internal/photos/models/file.go
deleted file mode 100644
index aa2ac4b..0000000
--- a/internal/photos/models/file.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package models
-
-import "time"
-
-type File struct {
-	ID        uint32       `gorm:"primary_key" json:"id"`
-	Name      string       `gorm:"not null" json:"name"`
-	Checksum  string       `gorm:"unique;size:44;not null"`
-	Size      uint64       `gorm:"not null"`
-	Author    *Account     `gorm:"constraint:OnDelete:SET NULL,OnUpdate:CASCADE" json:"author"`
-	AuthorId  *uint32      `json:"-"`
-	Chunks    []*FileChunk `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
-	CreatedAt time.Time    `json:"created_at"`
-	UpdatedAt time.Time    `json:"updated_at"`
-}
diff --git a/internal/photos/models/filechunk.go b/internal/photos/models/filechunk.go
deleted file mode 100644
index 92009a9..0000000
--- a/internal/photos/models/filechunk.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package models
-
-import "time"
-
-type FileChunk struct {
-	FileId    uint32
-	File      *File `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
-	Part      uint32
-	Checksum  string    `gorm:"unique;size:44;not null"`
-	CreatedAt time.Time `json:"created_at"`
-	UpdatedAt time.Time `json:"updated_at"`
-}
diff --git a/internal/photos/models/session.go b/internal/photos/models/session.go
deleted file mode 100644
index c81f957..0000000
--- a/internal/photos/models/session.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package models
-
-import (
-	"time"
-
-	"github.com/google/uuid"
-	"gorm.io/gorm"
-)
-
-type Session struct {
-	ID        uint32   `gorm:"primary_key"`
-	Token     string   `gorm:"size:36"`
-	Account   *Account `gorm:"constraint:OnDelete:CASCADE,OnUpdate:CASCADE"`
-	AccountId uint32   `gorm:"not null"`
-	CreatedAt time.Time
-	UpdatedAt time.Time
-}
-
-func (s *Session) BeforeCreate(tx *gorm.DB) error {
-	uuid, err := uuid.NewRandom()
-	if err != nil {
-		return err
-	}
-	s.Token = uuid.String()
-	return nil
-}
-
-func NewSession(tx *gorm.DB, login string, password string) (*Session, error) {
-	account := NewAccount(login, password)
-	if err := tx.Where(
-		"login = ? and encrypted_password = ?",
-		account.Login,
-		account.EncryptedPassword,
-	).First(account).Error; err != nil {
-		return nil, err
-	}
-
-	session := &Session{Account: account}
-	if err := tx.Create(session).Error; err != nil {
-		return nil, err
-	}
-	return session, nil
-}
diff --git a/internal/photos/store/core.go b/internal/photos/store/core.go
index 1748e16..ea86001 100644
--- a/internal/photos/store/core.go
+++ b/internal/photos/store/core.go
@@ -1,4 +1,4 @@
-package store
+package photosstore
 
 import (
 	"crypto/sha1"
@@ -11,8 +11,10 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
-	"gitlab.celogeek.com/photos/api/internal/photos/models"
+)
+
+var (
+	ErrStoreChunkAlreadyExists = errors.New("chunk file already exists")
 )
 
 type Store struct {
@@ -78,9 +80,9 @@ func (c *Chunk) Mkdir() error {
 	return os.MkdirAll(c.Dir(), 0755)
 }
 
-func (c *Chunk) Save(sess *models.Session) error {
+func (c *Chunk) Save(login string) error {
 	if c.FileExists() {
-		return photoserrors.ErrStoreChunkAlreadyExists
+		return ErrStoreChunkAlreadyExists
 	}
 
 	if err := c.Mkdir(); err != nil {
@@ -98,7 +100,7 @@ func (c *Chunk) Save(sess *models.Session) error {
 	enc := json.NewEncoder(meta)
 	enc.SetIndent("", "  ")
 	return enc.Encode(gin.H{
-		"author":   sess.Account.Login,
+		"author":   login,
 		"date":     time.Now().UTC().Format("2006-01-02 15:04:05"),
 		"checksum": c.Sum,
 		"size":     len(c.Bytes),
diff --git a/internal/photos/store/reader.go b/internal/photos/store/reader.go
index 2961851..772ef4e 100644
--- a/internal/photos/store/reader.go
+++ b/internal/photos/store/reader.go
@@ -1,10 +1,13 @@
-package store
+package photosstore
 
 import (
+	"errors"
 	"io"
 	"os"
+)
 
-	photoserrors "gitlab.celogeek.com/photos/api/internal/photos/errors"
+var (
+	ErrStoreMissingChunks = errors.New("part checksum missing")
 )
 
 type StoreReaderChunk struct {
@@ -26,7 +29,7 @@ func (s *Store) NewStoreReader(chunks []string) (*StoreReader, error) {
 		name := c.Filename()
 		size := c.Size()
 		if size < 0 {
-			return nil, photoserrors.ErrStoreMissingChunks
+			return nil, ErrStoreMissingChunks
 		}
 		sr.chunks[i] = StoreReaderChunk{name, size}
 		sr.Size += size