65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package adapter
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"gitea.dwysokinski.me/twhelp/corev3/internal/bun/bunmodel"
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"gitea.dwysokinski.me/twhelp/corev3/internal/domain"
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"github.com/uptrace/bun"
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)
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type VersionBunRepository struct {
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db bun.IDB
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}
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func NewVersionBunRepository(db bun.IDB) *VersionBunRepository {
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return &VersionBunRepository{db: db}
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}
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func (repo *VersionBunRepository) List(ctx context.Context, params domain.ListVersionsParams) (domain.Versions, error) {
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var versions bunmodel.Versions
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if err := repo.db.NewSelect().
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Model(&versions).
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Apply(listVersionsParamsApplier{params: params}.apply).
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Scan(ctx); err != nil && !errors.Is(err, sql.ErrNoRows) {
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return nil, fmt.Errorf("couldn't select versions from the database: %w", err)
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}
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return versions.ToDomain()
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}
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func (repo *VersionBunRepository) ListCount(
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ctx context.Context,
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params domain.ListVersionsParams,
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) (domain.Versions, int, error) {
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versions, err := repo.List(ctx, params)
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if err != nil {
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return nil, 0, err
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}
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return versions, len(versions), nil
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}
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type listVersionsParamsApplier struct {
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params domain.ListVersionsParams
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}
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func (a listVersionsParamsApplier) apply(q *bun.SelectQuery) *bun.SelectQuery {
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for _, s := range a.params.Sort() {
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switch s {
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case domain.VersionSortCodeASC:
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q = q.Order("version.code ASC")
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case domain.VersionSortCodeDESC:
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q = q.Order("version.code DESC")
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default:
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return q.Err(errors.New("unsupported sort value"))
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}
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}
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return q
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}
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