Improve Sheet model

src/models/sheet.go

@@ -3,19 +3,20 @@ package models
 import (
 	"time"
 
+	"github.com/google/uuid"
 	"gorm.io/gorm"
 )
 
-type MusicSheet struct {
-	ID          uint           `json:"id" gorm:"primaryKey"`
+type Sheet struct {
+	Uuid        uuid.UUID      `json:"uuid" gorm:"primaryKey"`
 	Title       string         `json:"title" gorm:"not null"`
 	Composer    string         `json:"composer"`
 	Description string         `json:"description"`
 	FilePath    string         `json:"file_path" gorm:"not null"`
 	FileSize    int64          `json:"file_size"`
-	UserID      uint           `json:"user_id"`
+	FileHash    uint64         `json:"file_hash"`
 	User        User           `json:"user" gorm:"foreignKey:UserID"`
 	CreatedAt   time.Time      `json:"created_at"`
 	UpdatedAt   time.Time      `json:"updated_at"`
 	DeletedAt   gorm.DeletedAt `json:"-" gorm:"index"`
-}
+}