gotosocial/internal/processing/timeline/home.go
tobi f5c004d67d
[feature] Add List functionality (#1802)
* start working on lists

* further list work

* test list db functions nicely

* more work on lists

* peepoopeepoo

* poke

* start list timeline func

* we're getting there lads

* couldn't be me working on stuff... could it?

* hook up handlers

* fiddling

* weeee

* woah

* screaming, pissing

* fix streaming being a whiny baby

* lint, small test fix, swagger

* tidying up, testing

* fucked! by the linter

* move timelines to state like a boss

* add timeline start to tests using state

* invalidate lists
2023-05-25 10:37:38 +02:00

134 lines
4.9 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"
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/timeline"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
"github.com/superseriousbusiness/gotosocial/internal/util"
"github.com/superseriousbusiness/gotosocial/internal/visibility"
)
// HomeTimelineGrab returns a function that satisfies GrabFunction for home timelines.
func HomeTimelineGrab(state *state.State) timeline.GrabFunction {
return func(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int) ([]timeline.Timelineable, bool, error) {
statuses, err := state.DB.GetHomeTimeline(ctx, accountID, maxID, sinceID, minID, limit, false)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
return nil, true, nil // we just don't have enough statuses left in the db so return stop = true
}
return nil, false, fmt.Errorf("HomeTimelineGrab: error getting statuses from db: %w", err)
}
items := make([]timeline.Timelineable, len(statuses))
for i, s := range statuses {
items[i] = s
}
return items, false, nil
}
}
// HomeTimelineFilter returns a function that satisfies FilterFunction for home timelines.
func HomeTimelineFilter(state *state.State, filter *visibility.Filter) timeline.FilterFunction {
return func(ctx context.Context, accountID string, item timeline.Timelineable) (shouldIndex bool, err error) {
status, ok := item.(*gtsmodel.Status)
if !ok {
return false, errors.New("HomeTimelineFilter: could not convert item to *gtsmodel.Status")
}
requestingAccount, err := state.DB.GetAccountByID(ctx, accountID)
if err != nil {
return false, fmt.Errorf("HomeTimelineFilter: error getting account with id %s: %w", accountID, err)
}
timelineable, err := filter.StatusHomeTimelineable(ctx, requestingAccount, status)
if err != nil {
return false, fmt.Errorf("HomeTimelineFilter: error checking hometimelineability of status %s for account %s: %w", status.ID, accountID, err)
}
return timelineable, nil
}
}
// HomeTimelineStatusPrepare returns a function that satisfies PrepareFunction for home timelines.
func HomeTimelineStatusPrepare(state *state.State, tc typeutils.TypeConverter) timeline.PrepareFunction {
return func(ctx context.Context, accountID string, itemID string) (timeline.Preparable, error) {
status, err := state.DB.GetStatusByID(ctx, itemID)
if err != nil {
return nil, fmt.Errorf("StatusPrepare: error getting status with id %s: %w", itemID, err)
}
requestingAccount, err := state.DB.GetAccountByID(ctx, accountID)
if err != nil {
return nil, fmt.Errorf("StatusPrepare: error getting account with id %s: %w", accountID, err)
}
return tc.StatusToAPIStatus(ctx, status, requestingAccount)
}
}
func (p *Processor) HomeTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) {
statuses, err := p.state.Timelines.Home.GetTimeline(ctx, authed.Account.ID, maxID, sinceID, minID, limit, local)
if err != nil {
err = fmt.Errorf("HomeTimelineGet: error getting statuses: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
count := len(statuses)
if count == 0 {
return util.EmptyPageableResponse(), nil
}
var (
items = make([]interface{}, count)
nextMaxIDValue string
prevMinIDValue string
)
for i, item := range statuses {
if i == count-1 {
nextMaxIDValue = item.GetID()
}
if i == 0 {
prevMinIDValue = item.GetID()
}
items[i] = item
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "api/v1/timelines/home",
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
Limit: limit,
})
}