udpate

backend_v1/app/services/media.go

@@ -0,0 +1,107 @@
+package services
+
+import (
+	"context"
+
+	"quyun/v2/app/requests"
+	"quyun/v2/database/models"
+	"quyun/v2/pkg/fields"
+
+	"github.com/pkg/errors"
+	"go.ipao.vip/gen"
+)
+
+// @provider
+type media struct{}
+
+func (m *media) List(
+	ctx context.Context,
+	pagination *requests.Pagination,
+	conds ...gen.Condition,
+) (*requests.Pager, error) {
+	pagination.Format()
+
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+
+	items, cnt, err := query.
+		Where(conds...).
+		Order(tbl.ID.Desc()).
+		FindByPage(int(pagination.Offset()), int(pagination.Limit))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to list media items")
+	}
+
+	return &requests.Pager{
+		Items:      items,
+		Total:      cnt,
+		Pagination: *pagination,
+	}, nil
+}
+
+// GetByIds
+func (m *media) GetByIds(ctx context.Context, ids []int64) ([]*models.Media, error) {
+	if len(ids) == 0 {
+		return []*models.Media{}, nil
+	}
+
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+
+	items, err := query.
+		Where(tbl.ID.In(ids...)).
+		Find()
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get media items by ids")
+	}
+
+	return items, nil
+}
+
+// GetByHash
+func (m *media) GetByHash(ctx context.Context, hash string) (*models.Media, error) {
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+	item, err := query.
+		Where(tbl.Hash.Eq(hash)).
+		First()
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get media item by hash")
+	}
+	return item, nil
+}
+
+// UpdateMetas
+func (m *media) UpdateMetas(ctx context.Context, id int64, metas fields.MediaMetas) error {
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+	_, err := query.
+		Where(tbl.ID.Eq(id)).
+		Update(tbl.Metas, metas)
+	if err != nil {
+		return errors.Wrapf(err, "failed to update media metas for id: %d", id)
+	}
+	return nil
+}
+
+// GetRelationMedias
+
+func (m *media) GetRelations(ctx context.Context, hash string) ([]*models.Media, error) {
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+	return query.Where(tbl.Metas.KeyEq("parent_hash", hash)).Find()
+}
+
+// FindByID
+func (m *media) FindByID(ctx context.Context, id int64) (*models.Media, error) {
+	tbl, query := models.MediaQuery.QueryContext(ctx)
+	item, err := query.Where(tbl.ID.Eq(id)).First()
+	if err != nil {
+		return nil, errors.Wrapf(err, "failed to find media by id: %d", id)
+	}
+	return item, nil
+}
+
+// Count
+func (m *media) Count(ctx context.Context, conds ...gen.Condition) (int64, error) {
+	_, query := models.MediaQuery.QueryContext(ctx)
+	if len(conds) > 0 {
+		query = query.Where(conds...)
+	}
+	return query.Count()
+}