mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-15 19:56:38 +00:00
c9b6220fef
* [chore] Add interaction filter to complement existing visibility filter
* pass in ptr to visibility and interaction filters to Processor{} to ensure shared
* use int constants for for match type, cache db calls in filterctx
* function name typo 😇
---------
Co-authored-by: kim <grufwub@gmail.com>
170 lines
5.2 KiB
Go
170 lines
5.2 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// 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, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// 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 <http://www.gnu.org/licenses/>.
|
|
|
|
package timeline
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"strconv"
|
|
|
|
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
statusfilter "github.com/superseriousbusiness/gotosocial/internal/filter/status"
|
|
"github.com/superseriousbusiness/gotosocial/internal/filter/usermute"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
"github.com/superseriousbusiness/gotosocial/internal/util"
|
|
)
|
|
|
|
func (p *Processor) PublicTimelineGet(
|
|
ctx context.Context,
|
|
requester *gtsmodel.Account,
|
|
maxID string,
|
|
sinceID string,
|
|
minID string,
|
|
limit int,
|
|
local bool,
|
|
) (*apimodel.PageableResponse, gtserror.WithCode) {
|
|
const maxAttempts = 3
|
|
var (
|
|
nextMaxIDValue string
|
|
prevMinIDValue string
|
|
items = make([]any, 0, limit)
|
|
)
|
|
|
|
var filters []*gtsmodel.Filter
|
|
var compiledMutes *usermute.CompiledUserMuteList
|
|
if requester != nil {
|
|
var err error
|
|
filters, err = p.state.DB.GetFiltersForAccountID(ctx, requester.ID)
|
|
if err != nil {
|
|
err = gtserror.Newf("couldn't retrieve filters for account %s: %w", requester.ID, err)
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
mutes, err := p.state.DB.GetAccountMutes(gtscontext.SetBarebones(ctx), requester.ID, nil)
|
|
if err != nil {
|
|
err = gtserror.Newf("couldn't retrieve mutes for account %s: %w", requester.ID, err)
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
compiledMutes = usermute.NewCompiledUserMuteList(mutes)
|
|
}
|
|
|
|
// Try a few times to select appropriate public
|
|
// statuses from the db, paging up or down to
|
|
// reattempt if nothing suitable is found.
|
|
outer:
|
|
for attempts := 1; ; attempts++ {
|
|
// Select slightly more than the limit to try to avoid situations where
|
|
// we filter out all the entries, and have to make another db call.
|
|
// It's cheaper to select more in 1 query than it is to do multiple queries.
|
|
statuses, err := p.state.DB.GetPublicTimeline(ctx, maxID, sinceID, minID, limit+5, local)
|
|
if err != nil && !errors.Is(err, db.ErrNoEntries) {
|
|
err = gtserror.Newf("db error getting statuses: %w", err)
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
count := len(statuses)
|
|
if count == 0 {
|
|
// Nothing relevant (left) in the db.
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
|
|
// Page up from first status in slice
|
|
// (ie., one with the highest ID).
|
|
prevMinIDValue = statuses[0].ID
|
|
|
|
inner:
|
|
for _, s := range statuses {
|
|
// Push back the next page down ID to
|
|
// this status, regardless of whether
|
|
// we end up filtering it out or not.
|
|
nextMaxIDValue = s.ID
|
|
|
|
timelineable, err := p.visFilter.StatusPublicTimelineable(ctx, requester, s)
|
|
if err != nil {
|
|
log.Errorf(ctx, "error checking status visibility: %v", err)
|
|
continue inner
|
|
}
|
|
|
|
if !timelineable {
|
|
continue inner
|
|
}
|
|
|
|
apiStatus, err := p.converter.StatusToAPIStatus(ctx, s, requester, statusfilter.FilterContextPublic, filters, compiledMutes)
|
|
if errors.Is(err, statusfilter.ErrHideStatus) {
|
|
continue
|
|
}
|
|
if err != nil {
|
|
log.Errorf(ctx, "error converting to api status: %v", err)
|
|
continue inner
|
|
}
|
|
|
|
// Looks good, add this.
|
|
items = append(items, apiStatus)
|
|
|
|
// We called the db with a little
|
|
// more than the desired limit.
|
|
//
|
|
// Ensure we don't return more
|
|
// than the caller asked for.
|
|
if len(items) == limit {
|
|
break outer
|
|
}
|
|
}
|
|
|
|
if len(items) != 0 {
|
|
// We've got some items left after
|
|
// filtering, happily break + return.
|
|
break
|
|
}
|
|
|
|
if attempts >= maxAttempts {
|
|
// We reached our attempts limit.
|
|
// Be nice + warn about it.
|
|
log.Warn(ctx, "reached max attempts to find items in public timeline")
|
|
break
|
|
}
|
|
|
|
// We filtered out all items before we
|
|
// found anything we could return, but
|
|
// we still have attempts left to try
|
|
// fetching again. Set paging params
|
|
// and allow loop to continue.
|
|
if minID != "" {
|
|
// Paging up.
|
|
minID = prevMinIDValue
|
|
} else {
|
|
// Paging down.
|
|
maxID = nextMaxIDValue
|
|
}
|
|
}
|
|
|
|
return util.PackagePageableResponse(util.PageableResponseParams{
|
|
Items: items,
|
|
Path: "/api/v1/timelines/public",
|
|
NextMaxIDValue: nextMaxIDValue,
|
|
PrevMinIDValue: prevMinIDValue,
|
|
Limit: limit,
|
|
ExtraQueryParams: []string{
|
|
"local=" + strconv.FormatBool(local),
|
|
},
|
|
})
|
|
}
|