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

apps/api/censor.go

@@ -39,10 +39,10 @@ func GenWhitelist(db *gorm.DB, authorsFilePath string) {
 				continue
 			}
 			if firstLine {
-				whitelist.WriteString(strconv.FormatUint(book.ID, 10))
+				whitelist.WriteString(book.ID.String())
 				firstLine = false
 			} else {
-				whitelist.WriteString("\n" + strconv.FormatUint(book.ID, 10))
+				whitelist.WriteString("\n" + book.ID.String())
 			}
 		}
 	}

apps/api/dev_server.go

@@ -11,6 +11,7 @@ import (
 	"encoding/pem"
 	"encoding/xml"
 	"errors"
+	"fmt"
 	"image"
 	"image/color"
 	"image/draw"
@@ -52,11 +53,11 @@ type Search struct {
 	Books []APIBook `json:"books"`
 }
 type Person struct {
-	Id         int     `json:"id"`
+	Id         uuid.UUID `json:"id"`
-	Name       string  `json:"name"`
+	Name       string    `json:"name"`
-	FirstName  string  `json:"firstName"`
+	FirstName  string    `json:"firstName"`
-	MiddleName *string `json:"middleName"`
+	MiddleName *string   `json:"middleName"`
-	LastName   *string `json:"lastName"`
+	LastName   *string   `json:"lastName"`
 }
 type Books struct {
 	Title        string               `json:"title"`
@@ -80,8 +81,8 @@ type Books struct {
 	Filetype     string               `json:"filetype"`
 }
 type ShortAPICollection struct {
-	ID   uint   `json:"id"`
+	ID   uuid.UUID `json:"id"`
-	Name string `json:"name"`
+	Name string    `json:"name"`
 }
 
 func (ShortAPICollection) TableName() string {
@@ -159,12 +160,12 @@ func AuthMiddleware(publicKey *rsa.PublicKey) gin.HandlerFunc {
 			ctx.AbortWithStatus(401)
 			return
 		}
-		userIdUint, err := strconv.ParseUint(userId, 10, 64)
+		userIdUUID, err := uuid.Parse(userId)
 		if err != nil {
 			ctx.AbortWithStatus(401)
 			return
 		}
-		ctx.Set("id", uint(userIdUint))
+		ctx.Set("id", userIdUUID.String())
 		ctx.Set("scopes", claims.Scopes)
 		ctx.Next()
 	}
@@ -202,12 +203,12 @@ type Claims struct {
 	jwt.RegisteredClaims
 }
 
-func GenerateJWT(scopes string, userId uint64, priv *rsa.PrivateKey) (string, error) {
+func GenerateJWT(scopes string, userId uuid.UUID, priv *rsa.PrivateKey) (string, error) {
 	claims := &Claims{
 		Scopes: scopes,
 		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour * 72)),
-			Subject:   strconv.FormatUint(userId, 10),
+			Subject:   userId.String(),
 		},
 	}
 	token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
@@ -304,22 +305,22 @@ func main() {
 		&schemas.Permission{},
 	)
 	log.Println("create indexes")
-	db.Exec("CREATE VIRTUAL TABLE IF NOT EXISTS books_indices USING fts5(title, content='books', content_rowid='id');")
+	db.Exec("CREATE VIRTUAL TABLE IF NOT EXISTS books_indices USING fts5(book_id, title);")
 	db.Exec(`
 		CREATE TRIGGER IF NOT EXISTS books_ai AFTER INSERT ON books BEGIN
-		INSERT INTO books_indices(rowid, title) VALUES (new.id, new.title);
+		INSERT INTO books_indices(book_id, title) VALUES (new.id, new.title);
 		END;
 	`)
 
 	db.Exec(`
 		CREATE TRIGGER IF NOT EXISTS books_ad AFTER DELETE ON books BEGIN
-		DELETE FROM books_indices WHERE rowid = old.id;
+		DELETE FROM books_indices WHERE book_id = old.id;
 		END;
 	`)
 
 	db.Exec(`
 		CREATE TRIGGER IF NOT EXISTS books_au AFTER UPDATE ON books BEGIN
-		UPDATE books_indices SET title = new.title WHERE rowid = old.id;
+		UPDATE books_indices SET title = new.title WHERE book_id = old.id;
 		END;
 	`)
 	log.Println("migrated!")
@@ -357,10 +358,9 @@ func main() {
 		var books []APIBook
 		q, isTitle := c.GetQuery("q")
 		author, isAuthor := c.GetQuery("author")
-		collectionStr, isCollection := c.GetQuery("collection")
+		collection, isCollection := c.GetQuery("collection")
 		limitStr, _ := c.GetQuery("limit")
 		limit, _ := strconv.ParseInt(limitStr, 10, 64)
-		collection, _ := strconv.ParseInt(collectionStr, 10, 64)
 		offsetStr, _ := c.GetQuery("offset")
 		offset, _ := strconv.ParseInt(offsetStr, 10, 64)
 		_, _ = author, q
@@ -370,10 +370,12 @@ func main() {
 				Table("books").
 				Joins("JOIN collection_books ON collection_books.book_id = books.id").
 				Joins("JOIN collections ON collections.id = collection_books.collection_id")
-			if len(strings.Split(collectionStr, "-")) > 1 { // if collection token
+			if strings.Split(collection, "-")[0] == "pub" { // if collection token
+				fmt.Println("collection link")
 				query = query.
-					Where("collections.link = ?", collectionStr)
+					Where("collections.link = ?", collection)
 			} else {
+				fmt.Println("collection")
 				query = query.
 					Where("collections.id = ?", collection)
 			}
@@ -391,7 +393,7 @@ func main() {
 			query = db.
 				Find(&BooksIndex{}).
 				Where("books_indices.title MATCH ?", q+"*").
-				Joins("JOIN books ON books.id=books_indices.rowid").
+				Joins("JOIN books ON books.id=books_indices.book_id").
 				Order("rank")
 		} else if isAuthor && !isTitle {
 			query = db.
@@ -430,12 +432,11 @@ func main() {
 		})
 	})
 	sec.GET("/author/:id", func(ctx *gin.Context) {
-		authorID, err := strconv.Atoi(ctx.Param("id"))
+		authorID, err := uuid.Parse(ctx.Param("id"))
 		if err != nil {
 			ctx.AbortWithError(400, err)
 			return
 		}
-		_ = authorID
 		var authorObj schemas.Author
 		db.Find(&authorObj, "id = ?", authorID)
 		authorName := personToString(authorObj.FirstName, authorObj.MiddleName, authorObj.LastName)
@@ -458,7 +459,7 @@ func main() {
 		var authors []Person
 		for _, author := range book.Authors {
 			authors = append(authors, Person{
-				Id:         int(author.ID),
+				Id:         author.ID,
 				Name:       personToString(author.FirstName, author.MiddleName, author.LastName),
 				FirstName:  author.FirstName,
 				MiddleName: author.MiddleName,
@@ -473,7 +474,7 @@ func main() {
 					translators = &newSlice
 				}
 				*translators = append(*translators, Person{
-					Id:   int(translator.ID),
+					Id:   translator.ID,
 					Name: personToString(translator.FirstName, translator.MiddleName, translator.LastName),
 				})
 			}
@@ -492,7 +493,7 @@ func main() {
 					genreName = *genre.Name
 				}
 				*genres = append(*genres, Person{
-					Id:   int(genre.ID),
+					Id:   genre.ID,
 					Name: genreName,
 				})
 			}
@@ -760,7 +761,7 @@ func main() {
 			ctx.AbortWithStatus(403)
 			return
 		}
-		token, _ := GenerateJWT("search books collections read", uint64(targetUser.ID), priv)
+		token, _ := GenerateJWT("search books collections read", targetUser.ID, priv)
 		ctx.SetCookie("token", token, 60*60*72, "/", "", false, false)
 	})
 	sec.GET("/ping", func(ctx *gin.Context) {
@@ -875,10 +876,11 @@ func main() {
 		ctx.Data(200, "image/webp", decodedImage)
 	})
 	sec.GET("/user", func(ctx *gin.Context) {
-		userId := ctx.MustGet("id").(uint)
+		userId := ctx.MustGet("id").(string)
-		if userId == 0 {
+		userIdUUID := uuid.MustParse(userId)
+		if userIdUUID == uuid.Nil {
 			ctx.JSON(200, APIUser{
-				ID:       0,
+				ID:       uuid.Nil,
 				Username: "guest",
 				Name:     "Гость",
 			})
@@ -889,31 +891,33 @@ func main() {
 		ctx.JSON(200, user)
 	})
 	sec.POST("/user/collection", func(ctx *gin.Context) {
-		userId := ctx.MustGet("id").(uint)
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
 		var requestBody struct {
 			Link string
 		}
 		ctx.BindJSON(&requestBody)
 		var collection schemas.Collection
 		db.Where("link = ?", requestBody.Link).Take(&collection)
-		if collection.ID == 0 {
+		if collection.ID == uuid.Nil {
 			ctx.AbortWithStatus(404)
 			return
 		}
 		db.
-			Model(&schemas.Permission{ID: userId}).
+			Model(&schemas.Permission{ID: userIdUUID}).
 			Association("ViewCollections").
 			Append(&collection)
 		ctx.Status(204)
 	})
 	sec.DELETE("/user/collection/:id", func(ctx *gin.Context) {
 		// no 404 error, hahaha wtf
-		userId := ctx.MustGet("id").(uint)
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
 		collId := ctx.Param("id")
 		var collection schemas.Collection
-		db.Find(&collection, collId)
+		db.Find(&collection, "id = ?", collId)
 		db.
-			Model(&schemas.Permission{ID: userId}).
+			Model(&schemas.Permission{ID: userIdUUID}).
 			Association("ViewCollections").
 			Delete(&collection)
 		ctx.Status(204)
@@ -962,15 +966,16 @@ func main() {
 	// 	}
 	// })
 	sec.GET("/collection", func(ctx *gin.Context) {
-		userId := ctx.MustGet("id")
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
 
 		collections := []struct {
-			ID   uint   `json:"id"`
+			ID   uuid.UUID `json:"id"`
-			Name string `json:"name"`
+			Name string    `json:"name"`
 		}{}
 
 		db.
-			Model(&schemas.Permission{ID: userId.(uint)}).
+			Model(&schemas.Permission{ID: userIdUUID}).
 			Association("ViewCollections").
 			Find(&collections)
 		// db.Model(&schemas.Collection{}).Find(&collections, &schemas.Collection{UserID: userId.(uint)})
@@ -978,7 +983,7 @@ func main() {
 	})
 	sec.GET("/collection/:id", func(ctx *gin.Context) {
 		isToken := false
-		if len(strings.Split(ctx.Param("id"), "-")) > 1 {
+		if strings.Split(ctx.Param("id"), "-")[0] == "pub" {
 			isToken = true
 		}
 		collection := APICollection{}
@@ -992,7 +997,7 @@ func main() {
 			res = db.
 				Table("collections"). // what if delete this string?..
 				Joins("JOIN view_collections ON view_collections.collection_id = collections.id").
-				Where("view_collections.permission_id = ?", ctx.MustGet("id").(uint)).
+				Where("view_collections.permission_id = ?", ctx.MustGet("id").(string)).
 				Where("id = ?", ctx.Param("id")).
 				Preload("Creator").
 				Find(&collection)
@@ -1004,6 +1009,8 @@ func main() {
 		ctx.JSON(200, collection)
 	})
 	sec.PUT("/collection", func(ctx *gin.Context) {
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
 		var requestBody struct {
 			Name string
 		}
@@ -1015,14 +1022,14 @@ func main() {
 		linkUUID := uuid.New()
 		newCollection := schemas.Collection{
 			Name:     requestBody.Name,
-			Creator:  schemas.User{ID: ctx.MustGet("id").(uint)},
+			Creator:  schemas.User{ID: userIdUUID},
 			Link:     linkUUID.String(),
 			Created:  time.Now(),
 			Modified: time.Now(),
 		}
 		db.Create(&newCollection)
 		db.
-			Model(&schemas.Permission{ID: ctx.MustGet("id").(uint)}).
+			Model(&schemas.Permission{ID: userIdUUID}).
 			Association("ViewCollections").
 			Append(&newCollection)
 		ctx.JSON(200, gin.H{"id": newCollection.ID})
@@ -1031,13 +1038,13 @@ func main() {
 		var requestBody struct {
 			BookID string `json:"book_id"`
 		}
-		collectionId, err := strconv.ParseUint(ctx.Param("id"), 10, 64)
+		collectionId, err := uuid.Parse(ctx.Param("id"))
 		if err != nil {
 			ctx.AbortWithError(400, err)
 			return
 		}
 		ctx.BindJSON(&requestBody)
-		bookID, err := strconv.ParseUint(requestBody.BookID, 10, 64)
+		bookID, err := uuid.Parse(requestBody.BookID)
 		if err != nil {
 			ctx.AbortWithError(400, err)
 			return
@@ -1055,11 +1062,11 @@ func main() {
 			return
 		}
 		collectionBookAssociation := db.Model(&schemas.Collection{
-			ID: uint(collectionId),
+			ID: collectionId,
 		}).Association("Books")
 		var associatedBook schemas.Book
 		collectionBookAssociation.Find(&associatedBook, bookID)
-		if associatedBook.ID != 0 {
+		if associatedBook.ID != uuid.Nil {
 			// если книга уже есть в ассоциациях - удаляем
 			err := collectionBookAssociation.Delete(associatedBook)
 			log.Println(err)
@@ -1079,32 +1086,36 @@ func main() {
 
 	})
 	sec.DELETE("/collection/:id", func(ctx *gin.Context) {
-		collectionId, err := strconv.ParseUint(ctx.Param("id"), 10, 64)
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
+		collectionId, err := uuid.Parse(ctx.Param("id"))
 		if err != nil {
 			ctx.AbortWithError(400, err)
 			return
 		}
 		var collection schemas.Collection
 		db.Take(&collection, collectionId)
-		if collection.UserID == 0 {
+		if collection.UserID == uuid.Nil {
 			ctx.AbortWithStatusJSON(404, gin.H{"err": "collection not found"})
 			return
 		}
-		if collection.UserID != ctx.MustGet("id").(uint) {
+		if collection.UserID != userIdUUID {
 			ctx.AbortWithStatus(403)
 			return
 		}
 		db.Model(&schemas.Collection{
-			ID: uint(collectionId),
+			ID: collectionId,
 		}).Association("Books").Clear()
 		db.
-			Model(&schemas.Permission{ID: ctx.MustGet("id").(uint)}).
+			Model(&schemas.Permission{ID: userIdUUID}).
 			Association("ViewCollections").
-			Delete(&schemas.Collection{ID: uint(collectionId)})
+			Delete(&schemas.Collection{ID: collectionId})
 		db.Delete(&schemas.Collection{}, collectionId)
 		ctx.Status(204)
 	})
 	sec.POST("/book/upload", func(ctx *gin.Context) {
+		userId := ctx.MustGet("id").(string)
+		userIdUUID := uuid.MustParse(userId)
 		form, err := ctx.MultipartForm()
 		if err != nil {
 			ctx.String(400, "Форму ты сломал: %s", err.Error())
@@ -1119,7 +1130,7 @@ func main() {
 		fileReader, _ := file.Open()
 		fileData, _ := io.ReadAll(fileReader)
 		contentType := file.Header.Get("Content-Type")
-		var bookID uint64
+		var bookID uuid.UUID
 		bookUUID := uuid.NewString()
 		switch contentType {
 		case "application/pdf":
@@ -1205,26 +1216,26 @@ func main() {
 		}
 
 		var collection schemas.Collection
-		res := db.Where(&schemas.Collection{Name: "Загрузки", UserID: ctx.MustGet("id").(uint)}).First(&collection)
+		res := db.Where(&schemas.Collection{Name: "Загрузки", UserID: userIdUUID}).First(&collection)
 		if res.RowsAffected == 0 {
 			linkUUID := uuid.New()
 			newCollection := schemas.Collection{
 				Name:     "Загрузки",
-				Creator:  schemas.User{ID: ctx.MustGet("id").(uint)},
+				Creator:  schemas.User{ID: userIdUUID},
 				Link:     linkUUID.String(),
 				Created:  time.Now(),
 				Modified: time.Now(),
 			}
 			db.Create(&newCollection)
 			db.
-				Model(&schemas.Permission{ID: ctx.MustGet("id").(uint)}).
+				Model(&schemas.Permission{ID: userIdUUID}).
 				Association("ViewCollections").
 				Append(&newCollection)
-			db.Where(&schemas.Collection{Name: "Загрузки", UserID: ctx.MustGet("id").(uint)}).First(&collection)
+			db.Where(&schemas.Collection{Name: "Загрузки", UserID: userIdUUID}).First(&collection)
 		}
 
 		collectionBookAssociation := db.Model(&schemas.Collection{
-			ID: uint(collection.ID),
+			ID: collection.ID,
 		}).Association("Books")
 		// если книги еще нет в ассоциациях - создаем
 		err = collectionBookAssociation.Append(&schemas.Book{ID: bookID})
@@ -1269,11 +1280,11 @@ func main() {
 }
 
 type APIAuthor struct {
-	ID         uint64 `json:"id"`
+	ID         uuid.UUID `json:"id"`
-	Key        string `json:"key"`
+	Key        string    `json:"key"`
-	FirstName  string `json:"firstName"`
+	FirstName  string    `json:"firstName"`
-	MiddleName string `json:"middleName"`
+	MiddleName string    `json:"middleName"`
-	LastName   string `json:"lastName"`
+	LastName   string    `json:"lastName"`
 }
 
 func (APIAuthor) TableName() string {
@@ -1281,7 +1292,7 @@ func (APIAuthor) TableName() string {
 }
 
 type APIBook struct {
-	ID       uint        `json:"id"`
+	ID       uuid.UUID   `json:"id"`
 	Title    string      `json:"title"`
 	Authors  []APIAuthor `gorm:"many2many:BookAuthor;joinForeignKey:book_id;joinReferences:author_id" json:"authors"`
 	Filetype string      `json:"filetype"`
@@ -1292,7 +1303,7 @@ func (APIBook) TableName() string {
 }
 
 type APIUser struct {
-	ID          uint64               `gorm:"primaryKey" json:"id"`
+	ID          uuid.UUID            `gorm:"primaryKey" json:"id"`
 	Name        string               `json:"name"`
 	Username    string               `json:"username"`
 	Collections []ShortAPICollection `json:"collections" gorm:"ForeignKey:id;"`
@@ -1304,11 +1315,11 @@ func (APIUser) TableName() string {
 }
 
 type APICollection struct {
-	ID      uint    `gorm:"primaryKey" json:"id"`
+	ID      uuid.UUID `gorm:"primaryKey" json:"id"`
-	Link    string  `gorm:"uniqueIndex" json:"link"`
+	Link    string    `gorm:"uniqueIndex" json:"link"`
-	Name    string  `json:"name"`
+	Name    string    `json:"name"`
-	UserID  uint    `json:"user_id"`
+	UserID  uuid.UUID `json:"user_id"`
-	Creator APIUser `gorm:"foreignKey:UserID" json:"creator"`
+	Creator APIUser   `gorm:"foreignKey:UserID" json:"creator"`
 	//Books    []APIBook `gorm:"many2many:CollectionBook;joinReferences:book_id;joinForeignKey:collection_id" json:"books"`
 	Created  time.Time `json:"created"`
 	Modified time.Time `json:"modified"`

apps/api/reaper/main.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"mi6e4ka/yabl-api/schemas"
 
+	"github.com/google/uuid"
 	"golang.org/x/net/html/charset"
 	"gorm.io/gorm"
 )
@@ -66,7 +67,7 @@ func nilCheck(nilString *string) string {
 	return *nilString
 }
 
-func FB2toDB(tx *gorm.DB, book FB2) uint64 {
+func FB2toDB(tx *gorm.DB, book FB2) uuid.UUID {
 	var genres *[]schemas.Genre
 	//book.Genres = nil
 	if book.Genres != nil {

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"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique;autoIncrement:true"`
-	Key        string `gorm:",unique"`
+	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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	Username string `gorm:"autoIncrement:false;index:,unique"`
+	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"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique"`
-	Key        string `gorm:",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"`
+	ID   uuid.UUID `gorm:",unique"`
-	Name string `gorm:"primaryKey;index:,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"`
+	ID   uuid.UUID `gorm:",unique;autoIncrement:true"`
-	Name string `gorm:"primaryKey;index:,unique"`
+	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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	UserID   uint
+	UserID   uuid.UUID
-	BookID   uint
+	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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	Link     string `gorm:"uniqueIndex"`
+	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"`
+	ID        uuid.UUID `gorm:"primaryKey"`
-	Token     string `gorm:"uniqueIndex"`
+	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

apps/book-reaper/go.mod

@@ -3,6 +3,7 @@ module book-tools
 go 1.24.4
 
 require (
+	github.com/google/uuid v1.6.0
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/joho/godotenv v1.5.1

apps/book-reaper/go.sum

@@ -1,3 +1,5 @@
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=

apps/book-reaper/internal/app/app.go

@@ -13,6 +13,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/google/uuid"
 	"gorm.io/gorm"
 )
 
@@ -63,7 +64,7 @@ func (a *App) Run() error {
 					log.Printf("Failed add book to transaction: %v", tx.Error)
 					return
 				}
-				if bookID > 0 {
+				if bookID != uuid.Nil {
 					addedBooks++
 				}
 			}

apps/book-reaper/pkg/reaper/main.go

@@ -4,6 +4,7 @@ import (
 	"encoding/xml"
 	"io"
 
+	"github.com/google/uuid"
 	"golang.org/x/net/html/charset"
 	"gorm.io/gorm"
 )
@@ -65,7 +66,7 @@ func nilCheck(nilString *string) string {
 	return *nilString
 }
 
-func FB2toDB(tx *gorm.DB, book FB2) uint64 {
+func FB2toDB(tx *gorm.DB, book FB2) uuid.UUID {
 	var genres *[]Genre
 	//book.Genres = nil
 	if book.Genres != nil {

apps/book-reaper/pkg/reaper/schemas.go

@@ -1,23 +1,42 @@
 package reaper
 
-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"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique;autoIncrement:true"`
-	Key        string `gorm:",unique"`
+	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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	Username string `gorm:"autoIncrement:false;index:,unique"`
+	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"`
+	ID         uuid.UUID `gorm:"primaryKey;index:,unique"`
-	Key        string `gorm:",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"`
+	ID   uuid.UUID `gorm:",unique"`
-	Name string `gorm:"primaryKey;index:,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"`
+	ID   uuid.UUID `gorm:",unique;autoIncrement:true"`
-	Name string `gorm:"primaryKey;index:,unique"`
+	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
@@ -97,26 +151,48 @@ 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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	UserID   uint
+	UserID   uuid.UUID
-	BookID   uint
+	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"`
+	ID       uuid.UUID `gorm:"primaryKey"`
-	Link     string `gorm:"uniqueIndex"`
+	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
+}