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list_episodes.go
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/
list_episodes.go
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// SPDX-License-Identifier: AGPL-3.0-only
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
package ctrl
import (
"context"
"github.com/bangumi/server/internal/domain"
"github.com/bangumi/server/internal/model"
"github.com/bangumi/server/internal/pkg/errgo"
"github.com/bangumi/server/internal/pkg/null"
)
func (ctl Ctrl) ListEpisode(
ctx context.Context,
subjectID model.SubjectID,
epType *model.EpType,
limit, offset int,
) ([]model.Episode, int64, error) {
count, err := ctl.CountEpisode(ctx, subjectID, epType)
if err != nil {
return nil, 0, err
}
if count == 0 {
return []model.Episode{}, 0, nil
}
if int64(offset) > count {
return []model.Episode{}, count, ErrOffsetTooBig
}
var episodes []model.Episode
episodes, err = ctl.episode.List(ctx, subjectID, domain.EpisodeFilter{Type: null.NewFromPtr(epType)}, limit, offset)
if err != nil {
return nil, 0, errgo.Wrap(err, "episode.List")
}
return episodes, count, nil
}