177 lines
4.8 KiB
Go
177 lines
4.8 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package timeline
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import (
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"sync"
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"github.com/sirupsen/logrus"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/typeutils"
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)
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const (
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preparedPostsMinLength = 80
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desiredPostIndexLength = 400
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)
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type Manager interface {
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Ingest(status *gtsmodel.Status, timelineAccountID string) error
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HomeTimeline(timelineAccountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*apimodel.Status, error)
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GetIndexedLength(timelineAccountID string) int
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GetDesiredIndexLength() int
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GetOldestIndexedID(timelineAccountID string) (string, error)
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PrepareXFromTop(timelineAccountID string, limit int) error
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}
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func NewManager(db db.DB, tc typeutils.TypeConverter, config *config.Config, log *logrus.Logger) Manager {
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return &manager{
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accountTimelines: sync.Map{},
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db: db,
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tc: tc,
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config: config,
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log: log,
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}
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}
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type manager struct {
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accountTimelines sync.Map
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db db.DB
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tc typeutils.TypeConverter
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config *config.Config
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log *logrus.Logger
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}
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func (m *manager) Ingest(status *gtsmodel.Status, timelineAccountID string) error {
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l := m.log.WithFields(logrus.Fields{
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"func": "Ingest",
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"timelineAccountID": timelineAccountID,
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"statusID": status.ID,
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})
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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l.Trace("ingesting status")
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return t.IndexOne(status.CreatedAt, status.ID)
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}
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func (m *manager) Remove(statusID string, timelineAccountID string) error {
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l := m.log.WithFields(logrus.Fields{
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"func": "Remove",
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"timelineAccountID": timelineAccountID,
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"statusID": statusID,
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})
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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l.Trace("removing status")
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return t.Remove(statusID)
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}
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func (m *manager) HomeTimeline(timelineAccountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*apimodel.Status, error) {
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l := m.log.WithFields(logrus.Fields{
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"func": "HomeTimelineGet",
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"timelineAccountID": timelineAccountID,
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})
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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var err error
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var statuses []*apimodel.Status
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if maxID != "" {
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statuses, err = t.GetXBehindID(limit, maxID)
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} else {
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statuses, err = t.GetXFromTop(limit)
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}
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if err != nil {
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l.Errorf("error getting statuses: %s", err)
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}
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return statuses, nil
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}
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func (m *manager) GetIndexedLength(timelineAccountID string) int {
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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return t.PostIndexLength()
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}
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func (m *manager) GetDesiredIndexLength() int {
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return desiredPostIndexLength
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}
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func (m *manager) GetOldestIndexedID(timelineAccountID string) (string, error) {
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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return t.OldestIndexedPostID()
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}
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func (m *manager) PrepareXFromTop(timelineAccountID string, limit int) error {
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var t Timeline
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i, ok := m.accountTimelines.Load(timelineAccountID)
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if !ok {
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t = NewTimeline(timelineAccountID, m.db, m.tc)
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m.accountTimelines.Store(timelineAccountID, t)
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} else {
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t = i.(Timeline)
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}
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return t.PrepareXFromTop(limit)
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}
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