refactor: use domain pattern

internal/modules/volumes/queries.go

@@ -0,0 +1,62 @@
+package volumes
+
+import (
+	"context"
+	"ironmount/internal/db"
+
+	"github.com/rs/zerolog/log"
+	"gorm.io/gorm"
+)
+
+type VolumeQueries struct{}
+
+func (q *VolumeQueries) QueryVolumeByName(n string) (*db.Volume, error) {
+	ctx := context.Background()
+
+	volume, err := gorm.G[*db.Volume](db.DB).Where("name = ?", n).First(ctx)
+
+	if err != nil {
+		if (err.Error() == "record not found") || (err == gorm.ErrRecordNotFound) {
+			log.Warn().Str("name", n).Msg("Volume not found")
+			return nil, nil
+		}
+
+		return nil, err
+	}
+
+	return volume, nil
+}
+
+func (q *VolumeQueries) InsertVolume(name, path string) error {
+	ctx := context.Background()
+	err := gorm.G[db.Volume](db.DB).Create(ctx, &db.Volume{Name: name, Path: path})
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (q *VolumeQueries) RemoveVolume(name string) error {
+	ctx := context.Background()
+
+	log.Info().Str("volume", name).Msg("Removing volume")
+	_, err := gorm.G[db.Volume](db.DB).Where("name = ?", name).Delete(ctx)
+
+	if err != nil {
+		log.Error().Err(err).Str("volume", name).Msg("Error removing volume")
+		return err
+	}
+	return nil
+}
+
+func (q *VolumeQueries) QueryVolumes() ([]db.Volume, error) {
+	rows, err := gorm.G[db.Volume](db.DB).Select("name", "path", "created_at").Find(context.Background())
+
+	if err != nil {
+		return []db.Volume{}, err
+	}
+
+	return rows, nil
+}