go-bouquins/bouquins/dbauthors.go

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2017-08-03 18:36:46 +00:00
package bouquins
import "database/sql"
// SUB QUERIES //
func (app *Bouquins) queryAuthorBooks(author *AuthorFull) error {
stmt, err := app.ps(AUTHOR_BOOKS)
if err != nil {
return err
}
rows, err := stmt.Query(author.Id)
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
book := new(BookAdv)
var seriesId sql.NullInt64
var seriesName sql.NullString
if err = rows.Scan(&book.Id, &book.Title, &book.SeriesIndex, &seriesName, &seriesId); err != nil {
return err
}
if seriesId.Valid && seriesName.Valid {
book.Series = &Series{
seriesId.Int64,
seriesName.String,
}
}
author.Books = append(author.Books, book)
}
if err := rows.Err(); err != nil {
return err
}
return nil
}
func (app *Bouquins) queryAuthorAuthors(author *AuthorFull) error {
// TODO
return nil
}
func (app *Bouquins) queryAuthor(id int64) (*AuthorFull, error) {
stmt, err := app.ps(AUTHOR)
if err != nil {
return nil, err
}
author := new(AuthorFull)
author.Id = id
err = stmt.QueryRow(id).Scan(&author.Name)
if err != nil {
return nil, err
}
return author, nil
}
// DB LOADS //
func (app *Bouquins) AuthorFull(id int64) (*AuthorFull, error) {
author, err := app.queryAuthor(id)
if err != nil {
return nil, err
}
err = app.queryAuthorBooks(author)
if err != nil {
return nil, err
}
err = app.queryAuthorAuthors(author)
if err != nil {
return nil, err
}
return author, nil
}