94 lines
2.9 KiB
Go

package projection
import (
"context"
"github.com/caos/logging"
"github.com/caos/zitadel/internal/errors"
"github.com/caos/zitadel/internal/eventstore"
"github.com/caos/zitadel/internal/eventstore/handler"
"github.com/caos/zitadel/internal/eventstore/handler/crdb"
"github.com/caos/zitadel/internal/repository/org"
)
const (
FlowTriggerTable = "zitadel.projections.flows_triggers"
FlowTypeCol = "flow_type"
FlowTriggerTypeCol = "trigger_type"
FlowResourceOwnerCol = "resource_owner"
FlowActionTriggerSequenceCol = "trigger_sequence"
FlowActionIDCol = "action_id"
)
type FlowProjection struct {
crdb.StatementHandler
}
func NewFlowProjection(ctx context.Context, config crdb.StatementHandlerConfig) *FlowProjection {
p := &FlowProjection{}
config.ProjectionName = FlowTriggerTable
config.Reducers = p.reducers()
p.StatementHandler = crdb.NewStatementHandler(ctx, config)
return p
}
func (p *FlowProjection) reducers() []handler.AggregateReducer {
return []handler.AggregateReducer{
{
Aggregate: org.AggregateType,
EventRedusers: []handler.EventReducer{
{
Event: org.TriggerActionsSetEventType,
Reduce: p.reduceTriggerActionsSetEventType,
},
{
Event: org.FlowClearedEventType,
Reduce: p.reduceFlowClearedEventType,
},
},
},
}
}
func (p *FlowProjection) reduceTriggerActionsSetEventType(event eventstore.Event) (*handler.Statement, error) {
e, ok := event.(*org.TriggerActionsSetEvent)
if !ok {
logging.LogWithFields("HANDL-zWCk3", "seq", event.Sequence, "expectedType", org.TriggerActionsSetEventType).Error("was not an trigger actions set event")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-uYq4r", "reduce.wrong.event.type")
}
stmts := make([]func(reader eventstore.Event) crdb.Exec, len(e.ActionIDs)+1)
stmts[0] = crdb.AddDeleteStatement(
[]handler.Condition{
handler.NewCond(FlowTypeCol, e.FlowType),
handler.NewCond(FlowTriggerTypeCol, e.TriggerType),
},
)
for i, id := range e.ActionIDs {
stmts[i+1] = crdb.AddCreateStatement(
[]handler.Column{
handler.NewCol(FlowResourceOwnerCol, e.Aggregate().ResourceOwner),
handler.NewCol(FlowTypeCol, e.FlowType),
handler.NewCol(FlowTriggerTypeCol, e.TriggerType),
handler.NewCol(FlowActionIDCol, id),
handler.NewCol(FlowActionTriggerSequenceCol, i),
},
)
}
return crdb.NewMultiStatement(e, stmts...), nil
}
func (p *FlowProjection) reduceFlowClearedEventType(event eventstore.Event) (*handler.Statement, error) {
e, ok := event.(*org.FlowClearedEvent)
if !ok {
logging.LogWithFields("HANDL-zWCk3", "seq", event.Sequence, "expectedType", org.FlowClearedEventType).Error("was not a flow cleared event")
return nil, errors.ThrowInvalidArgument(nil, "HANDL-uYq4r", "reduce.wrong.event.type")
}
return crdb.NewDeleteStatement(
e,
[]handler.Condition{
handler.NewCond(FlowTypeCol, e.FlowType),
},
), nil
}