Elton Minetto
114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package book
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import (
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"database/sql"
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"time"
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"github.com/eminetto/clean-architecture-go-v2/domain"
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"github.com/eminetto/clean-architecture-go-v2/domain/entity"
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)
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//MySQLRepo mysql repo
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type MySQLRepo struct {
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db *sql.DB
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}
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//NewMySQLRepoRepository create new repository
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func NewMySQLRepoRepository(db *sql.DB) *MySQLRepo {
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return &MySQLRepo{
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db: db,
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}
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}
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//Create an user
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func (r *MySQLRepo) Create(e *Book) (entity.ID, error) {
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stmt, err := r.db.Prepare(`
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insert into book (id, title, author, pages, quantity, created_at)
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values(?,?,?,?,?,?)`)
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if err != nil {
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return e.ID, err
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}
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_, err = stmt.Exec(
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e.ID,
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e.Title,
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e.Author,
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e.Pages,
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e.Quantity,
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time.Now().Format("2006-01-02"),
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)
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if err != nil {
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return e.ID, err
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}
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err = stmt.Close()
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if err != nil {
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return e.ID, err
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}
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return e.ID, nil
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}
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//Get an user
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func (r *MySQLRepo) Get(id entity.ID) (*Book, error) {
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return nil, nil
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}
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//Update an user
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func (r *MySQLRepo) Update(e *Book) error {
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return nil
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}
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//Search users
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func (r *MySQLRepo) Search(query string) ([]*Book, error) {
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stmt, err := r.db.Prepare(`select id, title, author, pages, quantity, created_at from book where title like ?`)
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if err != nil {
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return nil, err
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}
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var books []*Book
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rows, err := stmt.Query("%" + query + "%")
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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var b Book
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err = rows.Scan(&b.ID, &b.Title, &b.Author, &b.Pages, &b.Quantity, &b.CreatedAt)
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if err != nil {
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return nil, err
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}
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books = append(books, &b)
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}
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if len(books) == 0 {
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return nil, domain.ErrNotFound
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}
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return books, nil
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}
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//List users
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func (r *MySQLRepo) List() ([]*Book, error) {
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stmt, err := r.db.Prepare(`select id, title, author, pages, quantity, created_at from book`)
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if err != nil {
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return nil, err
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}
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var books []*Book
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rows, err := stmt.Query()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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var b Book
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err = rows.Scan(&b.ID, &b.Title, &b.Author, &b.Pages, &b.Quantity, &b.CreatedAt)
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if err != nil {
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return nil, err
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}
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books = append(books, &b)
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}
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if len(books) == 0 {
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return nil, domain.ErrNotFound
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}
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return books, nil
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}
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//Delete an user
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func (r *MySQLRepo) Delete(id entity.ID) error {
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return nil
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}
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