feat (api): migrate to UUIDs. Not fully debugged, may contain bugs

apps/api/schemas/db.go

@@ -1,23 +1,42 @@
 package schemas
 
-import "time"
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
 
 type Language struct {
-	ID   uint   `gorm:",unique;autoIncrement:true"`
+	ID   uuid.UUID
 	Code string `gorm:"primaryKey;index:,unique"`
 	ISO  *string
 }
 
+func (b *Language) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Genre struct {
-	ID     uint   `gorm:",unique;autoIncrement:true"`
+	ID     uuid.UUID
 	RawTag string `gorm:"index:,unique"`
 	Tag    *string
 	Name   *string
 }
 
+func (b *Genre) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Author struct {
-	ID         uint   `gorm:"primaryKey;index:,unique;autoIncrement:true"`
-	Key        string `gorm:",unique"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique;autoIncrement:true"`
+	Key        string    `gorm:",unique"`
 	FirstName  string
 	MiddleName *string
 	LastName   *string
@@ -26,9 +45,16 @@ type Author struct {
 	Books      []Book `gorm:"many2many:BookAuthor"`
 }
 
+func (b *Author) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type User struct {
-	ID       uint   `gorm:"primaryKey"`
-	Username string `gorm:"autoIncrement:false;index:,unique"`
+	ID       uuid.UUID `gorm:"primaryKey"`
+	Username string    `gorm:"autoIncrement:false;index:,unique"`
 	Avatar   *string
 	Name     *string
 	Admin    bool
@@ -42,26 +68,54 @@ type User struct {
 	BookShelf []ReaderBook
 }
 
+func (b *User) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Translator struct {
-	ID         uint   `gorm:"primaryKey;index:,unique;autoIncrement:true"`
-	Key        string `gorm:",unique"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique"`
+	Key        string    `gorm:",unique"`
 	FirstName  string
 	MiddleName *string
 	LastName   *string
 }
 
+func (b *Translator) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Sequence struct {
-	ID   uint   `gorm:",unique;autoIncrement:true"`
-	Name string `gorm:"primaryKey;index:,unique"`
+	ID   uuid.UUID `gorm:",unique"`
+	Name string    `gorm:"primaryKey;index:,unique"`
+}
+
+func (b *Sequence) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
 }
 
 type Publisher struct {
-	ID   uint   `gorm:",unique;autoIncrement:true"`
-	Name string `gorm:"primaryKey;index:,unique"`
+	ID   uuid.UUID `gorm:",unique;autoIncrement:true"`
+	Name string    `gorm:"primaryKey;index:,unique"`
+}
+
+func (b *Publisher) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
 }
 
 type Book struct {
-	ID           uint64 `gorm:"primaryKey"`
+	ID           uuid.UUID `gorm:"primaryKey"`
 	Title        string
 	Authors      []Author `gorm:"many2many:BookAuthor;References:ID"`
 	Lang         *string
@@ -97,42 +151,72 @@ type Book struct {
 	ExternalCover *string
 }
 
+func (b *Book) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 //	type Filetype struct {
 //		ID       uint   `gorm:"primaryKey"`
 //		Filetype string `gorm:"uniqueIndex"`
 //		Name     string
 //	}
 type ReaderBook struct {
-	ID       uint `gorm:"primaryKey"`
-	UserID   uint
-	BookID   uint
+	ID       uuid.UUID `gorm:"primaryKey"`
+	UserID   uuid.UUID
+	BookID   uuid.UUID
 	Book     Book `gorm:"foreignKey:BookID"`
 	Progress float64
 	LastRead time.Time
 }
+
+func (b *ReaderBook) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Collection struct {
-	ID       uint   `gorm:"primaryKey"`
-	Link     string `gorm:"uniqueIndex"`
+	ID       uuid.UUID `gorm:"primaryKey"`
+	Link     string    `gorm:"uniqueIndex"`
 	Name     string
-	UserID   uint
+	UserID   uuid.UUID
 	Creator  User   `gorm:"foreignKey:UserID"`
 	Books    []Book `gorm:"many2many:CollectionBook;"`
 	Created  time.Time
 	Modified time.Time
 }
 
+func (b *Collection) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Share struct {
-	ID        uint   `gorm:"primaryKey"`
-	Token     string `gorm:"uniqueIndex"`
+	ID        uuid.UUID `gorm:"primaryKey"`
+	Token     string    `gorm:"uniqueIndex"`
 	CreatedAt time.Time
 	ExpiredAt *time.Time
-	BookID    *uint
+	BookID    *uuid.UUID
 	Book      *Book
-	UserID    uint
+	UserID    uuid.UUID
 	User      User
 }
+
+func (b *Share) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Permission struct {
-	ID                   uint         `gorm:"primaryKey"`
+	ID                   uuid.UUID    `gorm:"primaryKey"`
 	User                 User         `gorm:"foreignKey:ID"`
 	EditBooks            []Book       `gorm:"many2many:EditableBook;"`
 	BooksWhitelist       *[]Book      `gorm:"many2many:WhitelistedBook;"`
@@ -143,6 +227,14 @@ type Permission struct {
 	CanUpload            bool
 	CanCreateCollections bool
 }
+
+func (b *Permission) BeforeCreate(tx *gorm.DB) (err error) {
+	if b.ID == uuid.Nil {
+		b.ID = uuid.New()
+	}
+	return
+}
+
 type Settings struct {
 	LibPath    string
 	ReadOnly   bool