57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package models
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import (
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"fmt"
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)
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// Book holds a book
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type Book struct {
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ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id"`
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Title string `xorm:"varchar(250) not null" json:"title"`
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Description string `xorm:"varchar(750)" json:"description"`
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Isbn string `xorm:"varchar(30)" json:"isbn"`
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Year int64 `xorm:"int(11)" json:"year"`
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Price float64 `xorm:"double" json:"price"`
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Status int64 `xorm:"int(11)" json:"status"`
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PublisherID int64 `xorm:"int(11)" json:"publisherID"`
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Created int64 `xorm:"created" json:"created"`
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Updated int64 `xorm:"updated" json:"updated"`
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Quantity int64 `xorm:"-" json:"quantity"`
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Publisher Publisher `xorm:"-" json:"publisher"`
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Authors []Author `xorm:"-" json:"authors"`
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}
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// TableName returns the name for the books table
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func (Book) TableName() string {
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return "books"
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}
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// GetBookByID gets a Book by its ID
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func GetBookByID(ID int64) (book Book, exists bool, err error) {
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// Get the Book
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has, err := x.ID(ID).Get(&book)
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if has {
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// Get the books quantity. We can't join it because xorm ignores the Quantity option in struct
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book.Quantity, err = book.getQuantity()
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if err != nil {
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fmt.Println("Error getting quantity:", err)
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}
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// Get publisher. We can't join it because xorm ignores the PublisherID option in struct
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book.Publisher, _, err = GetPublisherByID(book.PublisherID)
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if err != nil {
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fmt.Println("Error getting publisher:", err)
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}
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// Get all authors
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book.Authors, err = GetAuthorsByBook(book)
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if err != nil {
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fmt.Println("Error getting authors:", err)
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}
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}
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return book, has, err
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}
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