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get_index.go
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get_index.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"
"errors"
"time"
"go.uber.org/zap"
"github.com/bangumi/server/internal/ctrl/internal/cachekey"
"github.com/bangumi/server/internal/domain"
"github.com/bangumi/server/internal/pkg/errgo"
"github.com/bangumi/server/internal/web/res"
)
func (ctl Ctrl) GetIndexWithCache(c context.Context, id uint32) (res.Index, bool, error) {
var key = cachekey.Index(id)
var r res.Index
ok, err := ctl.cache.Get(c, key, &r)
if err != nil {
return r, ok, errgo.Wrap(err, "cache.Get")
}
if ok {
return r, ok, nil
}
i, err := ctl.index.Get(c, id)
if err != nil {
if errors.Is(err, domain.ErrNotFound) {
return res.Index{}, false, nil
}
return res.Index{}, false, errgo.Wrap(err, "Index.Get")
}
u, err := ctl.GetUser(c, i.CreatorID)
if err != nil {
if errors.Is(err, domain.ErrNotFound) {
ctl.log.Error("index missing creator", zap.Uint32("index_id", id), i.CreatorID.Zap())
}
return res.Index{}, false, errgo.Wrap(err, "failed to get creator: user.GetByID")
}
r = res.IndexModelToResponse(&i, u)
if e := ctl.cache.Set(c, key, r, time.Hour); e != nil {
ctl.log.Error("can't set response to cache", zap.Error(e))
}
return r, true, nil
}