infoalloggi-monorepo/apps/backend/queries/images.go

package queries

import (
	"backend/typesdefs"
	"fmt"

	"github.com/georgysavva/scany/v2/pgxscan"
	"github.com/jackc/pgx/v5"
)

func ImagesGetAll() ([]typesdefs.MiogestImagesRef_Table, error) {
	var images []typesdefs.MiogestImagesRef_Table
	err := pgxscan.Select(Db.Ctx, Db.Dbpool, &images, "SELECT * FROM public.miogest_images_ref")
	if err != nil && err != pgx.ErrNoRows {
		return nil, fmt.Errorf("failed to get all images: %w", err)
	}
	return images, nil
}

func ImagesBatchInsert(annunci *typesdefs.AnnunciXML) error {
	batch := &pgx.Batch{}

	for _, annuncio := range annunci.Annuncio {
		batch.Queue(`
			INSERT INTO public.miogest_images_ref (codice, foto)
			VALUES ($1, $2)
			ON CONFLICT (codice) DO UPDATE SET foto = $2
		`, &annuncio.Codice, &annuncio.Foto)
	}

	if err := Db.Dbpool.SendBatch(Db.Ctx, batch).Close(); err != nil {
		return fmt.Errorf("failed to insert/update images batch: %w", err)
	}

	return nil
}

func ImagesClear() error {
	_, err := Db.Dbpool.Exec(Db.Ctx, "DELETE FROM public.miogest_images_ref")
	if err != nil {
		return fmt.Errorf("failed to clear images: %w", err)
	}
	return nil
}

func ImagesClearByCodice(codice string) error {
	_, err := Db.Dbpool.Exec(Db.Ctx, "DELETE FROM public.miogest_images_ref WHERE codice = $1", codice)
	if err != nil {
		return fmt.Errorf("failed to clear images by codice: %w", err)
	}
	return nil
}