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fix: request cleanup jobs

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This commit is contained in:
Jon Lundy
2022-12-19 10:50:38 -07:00
parent 7315759b20
commit 250395d6b3
18 changed files with 575 additions and 227 deletions
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1
pkg/es/driver/driver.go
View File

@@ -19,6 +19,7 @@ type EventLog interface {
FirstIndex(context.Context) (uint64, error)
LastIndex(context.Context) (uint64, error)
}
type EventLogWithTruncate interface {
Truncate(context.Context, int64) error
}

17
pkg/es/driver/projecter/projecter.go
View File

@@ -16,10 +16,22 @@ type projector struct {
fns []func(event.Event) []event.Event
}
func New(ctx context.Context, fns ...func(event.Event) []event.Event) *projector {
func New(_ context.Context, fns ...func(event.Event) []event.Event) *projector {
return &projector{fns: fns}
}
func (p *projector) Apply(e *es.EventStore) {
up := e.Driver
for up != nil {
if op, ok := up.(*projector); ok {
op.AddProjections(p.fns...)
p.up = op.up
return
}
up = es.Unwrap(up)
}
p.up = e.Driver
e.Driver = p
}
@@ -39,6 +51,9 @@ func (s *projector) EventLog(ctx context.Context, streamID string) (driver.Event
l, err := s.up.EventLog(ctx, streamID)
return &wrapper{l, s}, err
}
func (s *projector) AddProjections(fns ...func(event.Event) []event.Event) {
s.fns = append(s.fns, fns...)
}
type wrapper struct {
up driver.EventLog

75
pkg/es/driver/resolve-links/resolve-links.go
View File

@@ -17,13 +17,16 @@ type resolvelinks struct {
func New() *resolvelinks {
return &resolvelinks{}
}
func (r *resolvelinks) Apply(es *es.EventStore) {
r.up = es.Driver
es.Driver = r
}
func (r *resolvelinks) Unwrap() driver.Driver {
return r.up
}
func (r *resolvelinks) Open(ctx context.Context, dsn string) (driver.Driver, error) {
ctx, span := lg.Span(ctx)
defer span.End()
@@ -47,6 +50,7 @@ type wrapper struct {
func (r *wrapper) Unwrap() driver.EventLog {
return r.up
}
func (w *wrapper) Read(ctx context.Context, after int64, count int64) (event.Events, error) {
ctx, span := lg.Span(ctx)
defer span.End()
@@ -56,29 +60,60 @@ func (w *wrapper) Read(ctx context.Context, after int64, count int64) (event.Eve
return nil, err
}
for i, e := range events {
switch e := e.(type) {
case *event.EventPtr:
d, err := w.resolvelinks.EventLog(ctx, e.StreamID)
if err != nil {
return nil, err
}
lis, err := d.ReadN(ctx, e.Pos)
if err != nil && !errors.Is(err, es.ErrNotFound) {
return nil, err
}
if ne := lis.First(); ne != event.NilEvent {
meta := ne.EventMeta()
actual := e.EventMeta()
meta.ActualPosition = actual.Position
meta.ActualStreamID = actual.ActualStreamID
ne.SetEventMeta(meta)
events[i] = ne
}
idx := make(map[string][]uint64)
ptrs := make(map[string][]int)
for i := range events {
e := events[i]
if e, ok := e.(*event.EventPtr); ok {
idx[e.StreamID] = append(idx[e.StreamID], e.Pos)
ptrs[e.StreamID] = append(ptrs[e.StreamID], i)
}
}
for streamID, ids := range idx {
d, err := w.resolvelinks.EventLog(ctx, streamID)
if err != nil {
return nil, err
}
ptr := ptrs[streamID]
lis, err := d.ReadN(ctx, ids...)
if err != nil && !errors.Is(err, es.ErrNotFound) {
return nil, err
}
for i := range lis {
meta := lis[i].EventMeta()
actual := events[ptr[i]].EventMeta()
meta.ActualPosition = actual.Position
meta.ActualStreamID = actual.ActualStreamID
lis[i].SetEventMeta(meta)
events[i] = lis[i]
}
}
// for i, e := range events {
// switch e := e.(type) {
// case *event.EventPtr:
// d, err := w.resolvelinks.EventLog(ctx, e.StreamID)
// if err != nil {
// return nil, err
// }
// lis, err := d.ReadN(ctx, e.Pos)
// if err != nil && !errors.Is(err, es.ErrNotFound) {
// return nil, err
// }
// if ne := lis.First(); ne != event.NilEvent {
// meta := ne.EventMeta()
// actual := e.EventMeta()
// meta.ActualPosition = actual.Position
// meta.ActualStreamID = actual.ActualStreamID
// ne.SetEventMeta(meta)
// events[i] = ne
// }
// }
// }
return events, err
}