package models import ( "time" "github.com/caos/zitadel/internal/errors" ) type AggregateType string func (at AggregateType) String() string { return string(at) } type Aggregates []*Aggregate type Aggregate struct { ID string typ AggregateType PreviousSequence uint64 version Version editorService string editorUser string resourceOwner string Events []*Event Precondition *precondition } type precondition struct { Query *SearchQuery Validation func(...*Event) error } func (a *Aggregate) AppendEvent(typ EventType, payload interface{}) (*Aggregate, error) { if string(typ) == "" { return a, errors.ThrowInvalidArgument(nil, "MODEL-TGoCb", "no event type") } data, err := eventData(payload) if err != nil { return a, err } e := &Event{ CreationDate: time.Now(), Data: data, Type: typ, AggregateID: a.ID, AggregateType: a.typ, AggregateVersion: a.version, EditorService: a.editorService, EditorUser: a.editorUser, ResourceOwner: a.resourceOwner, } a.Events = append(a.Events, e) return a, nil } func (a *Aggregate) SetPrecondition(query *SearchQuery, validateFunc func(...*Event) error) *Aggregate { a.Precondition = &precondition{Query: query, Validation: validateFunc} return a } func (a *Aggregate) Validate() error { if a == nil { return errors.ThrowPreconditionFailed(nil, "MODEL-yi5AC", "aggregate is nil") } if a.ID == "" { return errors.ThrowPreconditionFailed(nil, "MODEL-FSjKV", "id not set") } if string(a.typ) == "" { return errors.ThrowPreconditionFailed(nil, "MODEL-aj4t2", "type not set") } if err := a.version.Validate(); err != nil { return errors.ThrowPreconditionFailed(err, "MODEL-PupjX", "invalid version") } if a.editorService == "" { return errors.ThrowPreconditionFailed(nil, "MODEL-clYbY", "editor service not set") } if a.editorUser == "" { return errors.ThrowPreconditionFailed(nil, "MODEL-Xcssi", "editor user not set") } if a.resourceOwner == "" { return errors.ThrowPreconditionFailed(nil, "MODEL-eBYUW", "resource owner not set") } if a.Precondition != nil && (a.Precondition.Query == nil || a.Precondition.Validation == nil) { return errors.ThrowPreconditionFailed(nil, "MODEL-EEUvA", "invalid precondition") } return nil }