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| 1 | +// SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | + |
| 3 | +package jobs |
| 4 | + |
| 5 | +import ( |
| 6 | + "context" |
| 7 | + "encoding/json" |
| 8 | + "log/slog" |
| 9 | + "time" |
| 10 | + |
| 11 | + "github.com/jackc/pgx/v5/pgtype" |
| 12 | + "github.com/jackc/pgx/v5/pgxpool" |
| 13 | + |
| 14 | + "github.com/tenseleyFlow/shithub/internal/auth/secretbox" |
| 15 | + "github.com/tenseleyFlow/shithub/internal/webhook" |
| 16 | + webhookdb "github.com/tenseleyFlow/shithub/internal/webhook/sqlc" |
| 17 | + "github.com/tenseleyFlow/shithub/internal/worker" |
| 18 | +) |
| 19 | + |
| 20 | +// WebhookFanoutDeps wires the fan-out handler. |
| 21 | +type WebhookFanoutDeps struct { |
| 22 | + Pool *pgxpool.Pool |
| 23 | + Logger *slog.Logger |
| 24 | +} |
| 25 | + |
| 26 | +// WebhookFanout drains domain_events past the webhook cursor and |
| 27 | +// creates per-subscriber delivery rows + deliver jobs. Self-throttles: |
| 28 | +// when a tick drains a full batch, the handler re-enqueues itself so |
| 29 | +// the next tick keeps draining without waiting for the cron beat. |
| 30 | +func WebhookFanout(deps WebhookFanoutDeps) worker.Handler { |
| 31 | + return func(ctx context.Context, _ json.RawMessage) error { |
| 32 | + processed, err := webhook.FanoutOnce(ctx, webhook.FanoutDeps{ |
| 33 | + Pool: deps.Pool, Logger: deps.Logger, |
| 34 | + }) |
| 35 | + if err != nil { |
| 36 | + return err |
| 37 | + } |
| 38 | + if deps.Logger != nil && processed > 0 { |
| 39 | + deps.Logger.InfoContext(ctx, "webhook:fanout drained events", |
| 40 | + "count", processed) |
| 41 | + } |
| 42 | + if processed >= webhook.FanoutBatch { |
| 43 | + if _, err := worker.Enqueue(ctx, deps.Pool, webhook.KindWebhookFanout, |
| 44 | + map[string]any{}, worker.EnqueueOptions{}); err != nil && deps.Logger != nil { |
| 45 | + deps.Logger.WarnContext(ctx, "webhook:fanout self-enqueue failed", |
| 46 | + "error", err) |
| 47 | + } |
| 48 | + } |
| 49 | + return nil |
| 50 | + } |
| 51 | +} |
| 52 | + |
| 53 | +// WebhookDeliverDeps wires the deliverer. |
| 54 | +type WebhookDeliverDeps struct { |
| 55 | + Pool *pgxpool.Pool |
| 56 | + Logger *slog.Logger |
| 57 | + SecretBox *secretbox.Box |
| 58 | + SSRF webhook.SSRFConfig |
| 59 | +} |
| 60 | + |
| 61 | +// WebhookDeliver dispatches one delivery row. The job kind is fired by |
| 62 | +// fanout (1 row → 1 job); a row for which the deliverer schedules a |
| 63 | +// retry will get re-enqueued through next-retry-at scheduling — see |
| 64 | +// the cron-driven webhook:retry sweep documented in webhook docs. |
| 65 | +func WebhookDeliver(deps WebhookDeliverDeps) worker.Handler { |
| 66 | + return func(ctx context.Context, raw json.RawMessage) error { |
| 67 | + id, err := webhook.UnmarshalDeliverPayload(raw) |
| 68 | + if err != nil { |
| 69 | + return worker.PoisonError(err) |
| 70 | + } |
| 71 | + if id <= 0 { |
| 72 | + return worker.PoisonError(jsonError("delivery_id must be positive")) |
| 73 | + } |
| 74 | + return webhook.Deliver(ctx, webhook.DeliverDeps{ |
| 75 | + Pool: deps.Pool, |
| 76 | + Logger: deps.Logger, |
| 77 | + SecretBox: deps.SecretBox, |
| 78 | + SSRF: deps.SSRF, |
| 79 | + }, id) |
| 80 | + } |
| 81 | +} |
| 82 | + |
| 83 | +// WebhookPurgeOldDeps wires the retention sweep. |
| 84 | +type WebhookPurgeOldDeps struct { |
| 85 | + Pool *pgxpool.Pool |
| 86 | + Logger *slog.Logger |
| 87 | + Retention time.Duration |
| 88 | +} |
| 89 | + |
| 90 | +// WebhookPurgeOld drops terminal delivery rows older than the |
| 91 | +// retention window. Cron-driven; pending/retry rows are left alone. |
| 92 | +func WebhookPurgeOld(deps WebhookPurgeOldDeps) worker.Handler { |
| 93 | + return func(ctx context.Context, _ json.RawMessage) error { |
| 94 | + retention := deps.Retention |
| 95 | + if retention <= 0 { |
| 96 | + retention = 30 * 24 * time.Hour |
| 97 | + } |
| 98 | + ivl := pgtype.Interval{ |
| 99 | + Microseconds: int64(retention / time.Microsecond), |
| 100 | + Valid: true, |
| 101 | + } |
| 102 | + _, err := webhookdb.New().PurgeOldDeliveries(ctx, deps.Pool, ivl) |
| 103 | + return err |
| 104 | + } |
| 105 | +} |
| 106 | + |
| 107 | +// jsonError is a tiny error wrapper so the poison wrap above keeps |
| 108 | +// reading naturally. Its message is preserved in last_error. |
| 109 | +type jsonErr string |
| 110 | + |
| 111 | +func (e jsonErr) Error() string { return string(e) } |
| 112 | +func jsonError(s string) error { return jsonErr(s) } |
