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fix: handle multiple statements for a single event in projections (#2313)

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* fix: handle multiple statements for a single event in projections

* export func type

* fix test

* Update internal/eventstore/handler/crdb/statement.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/eventstore/handler/crdb/statement.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* change to pointers

* add error test case

Co-authored-by: Silvan <silvan.reusser@gmail.com>
This commit is contained in:
Livio Amstutz
2021-09-08 13:54:31 +02:00
committed by GitHub
parent ec6a3a1847
commit 1ac1492fd3
11 changed files with 546 additions and 301 deletions
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124
internal/query/projection/org.go
View File

@@ -65,29 +65,27 @@ const (
orgNameCol = "name"
)
func (p *OrgProjection) reduceOrgAdded(event eventstore.EventReader) ([]handler.Statement, error) {
func (p *OrgProjection) reduceOrgAdded(event eventstore.EventReader) (*handler.Statement, error) {
e, ok := event.(*org.OrgAddedEvent)
if !ok {
logging.LogWithFields("HANDL-zWCk3", "seq", event.Sequence, "expectedType", org.OrgAddedEventType).Error("was not an event")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-uYq4r", "reduce.wrong.event.type")
}
return []handler.Statement{
crdb.NewCreateStatement(
e,
[]handler.Column{
handler.NewCol(orgIDCol, e.Aggregate().ID),
handler.NewCol(orgCreationDateCol, e.CreationDate()),
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgResourceOwnerCol, e.Aggregate().ResourceOwner),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgNameCol, e.Name),
handler.NewCol(orgStateCol, domain.OrgStateActive),
},
),
}, nil
return crdb.NewCreateStatement(
e,
[]handler.Column{
handler.NewCol(orgIDCol, e.Aggregate().ID),
handler.NewCol(orgCreationDateCol, e.CreationDate()),
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgResourceOwnerCol, e.Aggregate().ResourceOwner),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgNameCol, e.Name),
handler.NewCol(orgStateCol, domain.OrgStateActive),
},
), nil
}
func (p *OrgProjection) reduceOrgChanged(event eventstore.EventReader) ([]handler.Statement, error) {
func (p *OrgProjection) reduceOrgChanged(event eventstore.EventReader) (*handler.Statement, error) {
e, ok := event.(*org.OrgChangedEvent)
if !ok {
logging.LogWithFields("HANDL-q4oq8", "seq", event.Sequence, "expected", org.OrgChangedEventType).Error("wrong event type")
@@ -100,76 +98,68 @@ func (p *OrgProjection) reduceOrgChanged(event eventstore.EventReader) ([]handle
if e.Name != "" {
values = append(values, handler.NewCol(orgNameCol, e.Name))
}
return []handler.Statement{
crdb.NewUpdateStatement(
e,
values,
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
),
}, nil
return crdb.NewUpdateStatement(
e,
values,
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
), nil
}
func (p *OrgProjection) reduceOrgDeactivated(event eventstore.EventReader) ([]handler.Statement, error) {
func (p *OrgProjection) reduceOrgDeactivated(event eventstore.EventReader) (*handler.Statement, error) {
e, ok := event.(*org.OrgDeactivatedEvent)
if !ok {
logging.LogWithFields("HANDL-1gwdc", "seq", event.Sequence, "expectedType", org.OrgDeactivatedEventType).Error("wrong event type")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-BApK4", "reduce.wrong.event.type")
}
return []handler.Statement{
crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgStateCol, domain.OrgStateInactive),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
),
}, nil
return crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgStateCol, domain.OrgStateInactive),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
), nil
}
func (p *OrgProjection) reduceOrgReactivated(event eventstore.EventReader) ([]handler.Statement, error) {
func (p *OrgProjection) reduceOrgReactivated(event eventstore.EventReader) (*handler.Statement, error) {
e, ok := event.(*org.OrgReactivatedEvent)
if !ok {
logging.LogWithFields("HANDL-Vjwiy", "seq", event.Sequence, "expectedType", org.OrgReactivatedEventType).Error("wrong event type")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-o37De", "reduce.wrong.event.type")
}
return []handler.Statement{
crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgStateCol, domain.OrgStateActive),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
),
}, nil
return crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgStateCol, domain.OrgStateActive),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
), nil
}
func (p *OrgProjection) reducePrimaryDomainSet(event eventstore.EventReader) ([]handler.Statement, error) {
func (p *OrgProjection) reducePrimaryDomainSet(event eventstore.EventReader) (*handler.Statement, error) {
e, ok := event.(*org.DomainPrimarySetEvent)
if !ok {
logging.LogWithFields("HANDL-79OhB", "seq", event.Sequence, "expectedType", org.OrgDomainPrimarySetEventType).Error("wrong event type")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-4TbKT", "reduce.wrong.event.type")
}
return []handler.Statement{
crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgDomainCol, e.Domain),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
),
}, nil
return crdb.NewUpdateStatement(
e,
[]handler.Column{
handler.NewCol(orgChangeDateCol, e.CreationDate()),
handler.NewCol(orgSequenceCol, e.Sequence()),
handler.NewCol(orgDomainCol, e.Domain),
},
[]handler.Condition{
handler.NewCond(orgIDCol, e.Aggregate().ID),
},
), nil
}