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fix(downloads): stop searching a list there is nothing to search with
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Every pass attempted every request, each came back "no download clients
are enabled", and RecordAttempt wrote that down as an attempt and put a
retry on the clock -- so a wanted list built deliberately without a
client accrued failures and announced "next check in 6 hours" about a
check that cannot happen.

Wanting something with no way to fetch it is supported. Being told it
is being looked for is a lie, and the row says what is true instead.

Everything above the attempt still runs: an artist subscription still
expands, and a request satisfied by some other route -- ripped, bought,
copied in -- is still retired. Neither needs a provider.

TestReconcileRespectsBatchSize now installs a client that finds
nothing, because a batch size is about how many requests one pass
searches for and that only means something when there is something to
search with.

Refs #37
This commit is contained in:
logan
2026-08-18 11:26:35 -04:00
parent 3bf27e3fd5
commit 760021ea5a
4 changed files with 208 additions and 8 deletions
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backend/download/reconcile.go
+26 -6
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@@ -310,15 +310,35 @@ func (r *Reconciler) run(ctx context.Context, force bool) (Summary, error) {
summary.Synced = r.syncExternalLists(ctx)
attempted, started, err := r.attemptDue(ctx, force)
if err != nil {
return summary, err
// Nothing is searched for when there is nothing to search with, and
// the point is what that *does not* do to the list.
//
// Attempting anyway is not merely wasted work: every request comes
// back "no download clients are enabled", which RecordAttempt writes
// down as an attempt and schedules a retry for -- so a user who has
// deliberately built a wanted list with no client watched their
// requests accrue failures and announce "next check in 6 hours"
// about a check that cannot happen. Wanting something without a way
// to fetch it is a supported thing to do; being told it is being
// looked for is a lie.
//
// Everything above this line still runs: an artist subscription
// still expands, and a request the user satisfied by some other
// route -- ripped, bought, copied in -- is still retired, because
// neither needs a provider.
summary.NoProviders = len(r.manager.enabledProviders()) == 0
if !summary.NoProviders {
attempted, started, err := r.attemptDue(ctx, force)
if err != nil {
return summary, err
}
summary.Attempted = attempted
summary.Started = started
}
summary.Attempted = attempted
summary.Started = started
summary.Waiting = r.countWaiting(ctx)
summary.NoProviders = len(r.manager.enabledProviders()) == 0
r.logger.Info(
"reconciled request list",