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[bugfix] support endless polls, and misskey's' method of inferring expiry in closed polls (#2349)

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kim 2023-11-11 10:15:04 +00:00 • committed by GitHub
commit deaea100c3
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16 changed files with 212 additions and 52 deletions
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13
internal/federation/dereferencing/status.go
View file

@ -737,27 +737,22 @@ func (d *Dereferencer) fetchStatusPoll(ctx context.Context, existing, status *gt
// no previous poll, insert new poll!
return insertStatusPoll(ctx, status)
case /*existing.Poll != nil &&*/ status.Poll == nil:
case status.Poll == nil:
// existing poll has been deleted, remove this.
return deleteStatusPoll(ctx, existing.PollID)
case /*existing.Poll != nil && status.Poll != nil && */
!slices.Equal(existing.Poll.Options, status.Poll.Options) ||
!existing.Poll.ExpiresAt.Equal(status.Poll.ExpiresAt):
case pollChanged(existing.Poll, status.Poll):
// poll has changed since original, delete and reinsert new.
if err := deleteStatusPoll(ctx, existing.PollID); err != nil {
return err
}
return insertStatusPoll(ctx, status)
case /*existing.Poll != nil && status.Poll != nil && */
!existing.Poll.ClosedAt.Equal(status.Poll.ClosedAt) ||
!slices.Equal(existing.Poll.Votes, status.Poll.Votes) ||
existing.Poll.Voters != status.Poll.Voters:
case pollUpdated(existing.Poll, status.Poll):
// Since we last saw it, the poll has updated!
// Whether that be stats, or close time.
poll := existing.Poll
poll.Closing = (!poll.Closed() && status.Poll.Closed())
poll.Closing = pollJustClosed(existing.Poll, status.Poll)
poll.ClosedAt = status.Poll.ClosedAt
poll.Voters = status.Poll.Voters
poll.Votes = status.Poll.Votes

27
internal/federation/dereferencing/util.go
View file

@ -17,6 +17,12 @@
package dereferencing
import (
"slices"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// doOnce wraps a function to only perform it once.
func doOnce(fn func()) func() {
var once int32
@ -27,3 +33,24 @@ func doOnce(fn func()) func() {
}
}
}
// pollChanged returns whether a poll has changed in way that
// indicates that this should be an entirely new poll. i.e. if
// the available options have changed, or the expiry has increased.
func pollChanged(existing, latest *gtsmodel.Poll) bool {
return !slices.Equal(existing.Options, latest.Options) ||
!existing.ExpiresAt.Equal(latest.ExpiresAt)
}
// pollUpdated returns whether a poll has updated, i.e. if the
// vote counts have changed, or if it has expired / been closed.
func pollUpdated(existing, latest *gtsmodel.Poll) bool {
return *existing.Voters != *latest.Voters ||
!slices.Equal(existing.Votes, latest.Votes) ||
!existing.ClosedAt.Equal(latest.ClosedAt)
}
// pollJustClosed returns whether a poll has *just* closed.
func pollJustClosed(existing, latest *gtsmodel.Poll) bool {
return existing.ClosedAt.IsZero() && latest.Closed()
}