/
book_repository.go
71 lines (59 loc) · 1.78 KB
/
book_repository.go
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package mongodb
import (
"context"
"fmt"
"github.com/literalog/library/internal/app/domain/book"
"github.com/literalog/library/pkg/models"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
)
type BookRepository struct {
collection *mongo.Collection
}
func NewBookRepository(collection *mongo.Collection) book.Repository {
return &BookRepository{
collection: collection,
}
}
func (r *BookRepository) Create(ctx context.Context, book *models.Book) error {
_, err := r.collection.InsertOne(ctx, book)
if err != nil {
return fmt.Errorf("error creating book: %w", err)
}
return nil
}
func (r *BookRepository) Update(ctx context.Context, book *models.Book) error {
filter := bson.M{"_id": book.ID}
update := bson.M{"$set": book}
if _, err := r.collection.UpdateOne(ctx, filter, update); err != nil {
return fmt.Errorf("error updating book: %w", err)
}
return nil
}
func (r *BookRepository) Delete(ctx context.Context, id string) error {
filter := bson.M{"_id": id}
if _, err := r.collection.DeleteOne(ctx, filter); err != nil {
return fmt.Errorf("error deleting book: %w", err)
}
return nil
}
func (r *BookRepository) GetByID(ctx context.Context, id string) (*models.Book, error) {
filter := bson.M{"_id": id}
book := new(models.Book)
if err := r.collection.FindOne(ctx, filter).Decode(book); err != nil {
return nil, fmt.Errorf("error getting book: %w", err)
}
return book, nil
}
func (r *BookRepository) GetAll(ctx context.Context) ([]models.Book, error) {
books := make([]models.Book, 0)
cur, err := r.collection.Find(ctx, bson.D{})
if err != nil {
return nil, fmt.Errorf("error getting book: %w", err)
}
defer cur.Close(ctx)
if err := cur.All(ctx, &books); err != nil {
return nil, fmt.Errorf("error getting books: %w", err)
}
return books, nil
}