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start work rewriting timeline cache type
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kim
parent
ffde1b150f
commit
f4b4a696f2
23 changed files with 1792 additions and 861 deletions
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@ -20,131 +20,108 @@ package timeline
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import (
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"context"
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"errors"
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"slices"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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statusfilter "github.com/superseriousbusiness/gotosocial/internal/filter/status"
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"github.com/superseriousbusiness/gotosocial/internal/filter/usermute"
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"github.com/superseriousbusiness/gotosocial/internal/filter/visibility"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/superseriousbusiness/gotosocial/internal/timeline"
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"github.com/superseriousbusiness/gotosocial/internal/typeutils"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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"github.com/superseriousbusiness/gotosocial/internal/paging"
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)
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// HomeTimelineGrab returns a function that satisfies GrabFunction for home timelines.
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func HomeTimelineGrab(state *state.State) timeline.GrabFunction {
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return func(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int) ([]timeline.Timelineable, bool, error) {
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statuses, err := state.DB.GetHomeTimeline(ctx, accountID, maxID, sinceID, minID, limit, false)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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err = gtserror.Newf("error getting statuses from db: %w", err)
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return nil, false, err
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}
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// HomeTimelineGet ...
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func (p *Processor) HomeTimelineGet(
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ctx context.Context,
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requester *gtsmodel.Account,
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page *paging.Page,
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local bool,
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) (
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*apimodel.PageableResponse,
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gtserror.WithCode,
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) {
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count := len(statuses)
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if count == 0 {
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// We just don't have enough statuses
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// left in the db so return stop = true.
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return nil, true, nil
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}
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// Load timeline data.
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return p.getTimeline(ctx,
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items := make([]timeline.Timelineable, count)
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for i, s := range statuses {
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items[i] = s
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}
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// Auth'd
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// account.
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requester,
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return items, false, nil
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}
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}
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// Home timeline cache for authorized account.
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p.state.Caches.Timelines.Home.Get(requester.ID),
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// HomeTimelineFilter returns a function that satisfies FilterFunction for home timelines.
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func HomeTimelineFilter(state *state.State, visFilter *visibility.Filter) timeline.FilterFunction {
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return func(ctx context.Context, accountID string, item timeline.Timelineable) (shouldIndex bool, err error) {
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status, ok := item.(*gtsmodel.Status)
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if !ok {
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err = gtserror.New("could not convert item to *gtsmodel.Status")
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return false, err
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}
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// Current
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// page.
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page,
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requestingAccount, err := state.DB.GetAccountByID(ctx, accountID)
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if err != nil {
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err = gtserror.Newf("error getting account with id %s: %w", accountID, err)
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return false, err
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}
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// Home timeline endpoint.
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"/api/v1/timelines/home",
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timelineable, err := visFilter.StatusHomeTimelineable(ctx, requestingAccount, status)
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if err != nil {
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err = gtserror.Newf("error checking hometimelineability of status %s for account %s: %w", status.ID, accountID, err)
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return false, err
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}
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// No page
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// query.
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nil,
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return timelineable, nil
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}
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}
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// Status filter context.
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statusfilter.FilterContextHome,
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// HomeTimelineStatusPrepare returns a function that satisfies PrepareFunction for home timelines.
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func HomeTimelineStatusPrepare(state *state.State, converter *typeutils.Converter) timeline.PrepareFunction {
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return func(ctx context.Context, accountID string, itemID string) (timeline.Preparable, error) {
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status, err := state.DB.GetStatusByID(ctx, itemID)
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if err != nil {
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err = gtserror.Newf("error getting status with id %s: %w", itemID, err)
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return nil, err
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}
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// Timeline cache load function, used to further hydrate cache where necessary.
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func(page *paging.Page) (statuses []*gtsmodel.Status, next *paging.Page, err error) {
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requestingAccount, err := state.DB.GetAccountByID(ctx, accountID)
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if err != nil {
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err = gtserror.Newf("error getting account with id %s: %w", accountID, err)
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return nil, err
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}
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// Fetch requesting account's home timeline page.
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statuses, err = p.state.DB.GetHomeTimeline(ctx,
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requester.ID,
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page,
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)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, nil, gtserror.Newf("error getting statuses: %w", err)
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}
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filters, err := state.DB.GetFiltersForAccountID(ctx, requestingAccount.ID)
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if err != nil {
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err = gtserror.Newf("couldn't retrieve filters for account %s: %w", requestingAccount.ID, err)
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return nil, err
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}
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if len(statuses) == 0 {
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// No more to load.
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return nil, nil, nil
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}
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mutes, err := state.DB.GetAccountMutes(gtscontext.SetBarebones(ctx), requestingAccount.ID, nil)
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if err != nil {
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err = gtserror.Newf("couldn't retrieve mutes for account %s: %w", requestingAccount.ID, err)
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return nil, err
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}
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compiledMutes := usermute.NewCompiledUserMuteList(mutes)
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// Get the lowest and highest
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// ID values, used for next pg.
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lo := statuses[len(statuses)-1].ID
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hi := statuses[0].ID
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return converter.StatusToAPIStatus(ctx, status, requestingAccount, statusfilter.FilterContextHome, filters, compiledMutes)
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}
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}
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// Set next paging value.
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page = page.Next(lo, hi)
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func (p *Processor) HomeTimelineGet(ctx context.Context, authed *apiutil.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) {
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statuses, err := p.state.Timelines.Home.GetTimeline(ctx, authed.Account.ID, maxID, sinceID, minID, limit, local)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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err = gtserror.Newf("error getting statuses: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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for i := 0; i < len(statuses); {
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// Get status at idx.
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status := statuses[i]
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count := len(statuses)
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if count == 0 {
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return util.EmptyPageableResponse(), nil
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}
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// Check whether status should be show on home timeline.
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visible, err := p.visFilter.StatusHomeTimelineable(ctx,
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requester,
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status,
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)
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if err != nil {
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return nil, nil, gtserror.Newf("error checking visibility: %w", err)
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}
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var (
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items = make([]interface{}, count)
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nextMaxIDValue = statuses[count-1].GetID()
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prevMinIDValue = statuses[0].GetID()
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if !visible {
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// Status not visible to home timeline.
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statuses = slices.Delete(statuses, i, i+1)
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continue
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}
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// Iter.
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i++
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}
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return
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},
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// Per-request filtering function.
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func(s *gtsmodel.Status) bool {
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if local {
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return !*s.Local
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}
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return false
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},
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)
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for i := range statuses {
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items[i] = statuses[i]
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}
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return util.PackagePageableResponse(util.PageableResponseParams{
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Items: items,
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Path: "/api/v1/timelines/home",
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NextMaxIDValue: nextMaxIDValue,
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PrevMinIDValue: prevMinIDValue,
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Limit: limit,
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})
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}
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