74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
package routes
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import (
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"errors"
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"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
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"git.artlef.fr/PersonalLibraryManager/internal/dto"
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"git.artlef.fr/PersonalLibraryManager/internal/model"
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"git.artlef.fr/PersonalLibraryManager/internal/myvalidator"
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"gorm.io/gorm"
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)
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func PostBookHandler(ac appcontext.AppContext) {
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var book dto.BookPostCreate
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err := ac.C.ShouldBindJSON(&book)
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if err != nil {
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myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
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return
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}
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err = myvalidator.ValidateId(ac.Db, book.CoverID, &model.StaticFile{})
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if err != nil {
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myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
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return
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}
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user, fetchUserErr := ac.GetAuthenticatedUser()
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if fetchUserErr != nil {
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myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
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return
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}
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err = saveBookToDb(ac, book, &user)
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if err != nil {
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myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
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return
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}
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ac.C.String(200, "Success")
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}
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func saveBookToDb(ac appcontext.AppContext, b dto.BookPostCreate, user *model.User) error {
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author, err := fetchOrCreateAuthor(ac, b.Author)
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if err != nil {
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return err
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}
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book := model.Book{
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Title: b.Title,
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AuthorID: author.ID,
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AddedBy: *user,
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}
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if b.CoverID > 0 {
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book.CoverID = b.CoverID
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}
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return ac.Db.Save(&book).Error
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}
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func fetchOrCreateAuthor(ac appcontext.AppContext, name string) (*model.Author, error) {
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var author model.Author
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res := ac.Db.Where("name = ?", name).First(&author)
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err := res.Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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author = model.Author{Name: name}
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err = ac.Db.Save(&author).Error
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if err != nil {
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return &author, err
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}
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return &author, nil
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} else {
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return &author, err
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}
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} else {
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return &author, nil
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}
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}
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