tvl-depot/fun/clbot/gerrit/gerritevents/events.go

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package gerritevents
import (
"encoding/json"
"fmt"
)
var events = map[string]func() Event{}
func registerEvent(e func() Event) {
t := e().EventType()
if _, ok := events[t]; ok {
panic(fmt.Sprintf("%s already registered", t))
}
events[t] = e
}
// These events are taken from https://cl.tvl.fyi/Documentation/cmd-stream-events.html.
// Event is implemented by Gerrit event structs.
type Event interface {
EventType() string
}
type simpleEvent struct {
Type string `json:"type"`
}
// Parse parses a Gerrit event from JSON.
func Parse(bs []byte) (Event, error) {
var s simpleEvent
if err := json.Unmarshal(bs, &s); err != nil {
return nil, fmt.Errorf("unmarshalling %q as Gerrit Event: %v", string(bs), err)
}
ef, ok := events[s.Type]
if !ok {
return nil, fmt.Errorf("unknown event type %q", s.Type)
}
e := ef()
if err := json.Unmarshal(bs, e); err != nil {
return nil, fmt.Errorf("unmarshalling %q as Gerrit Event %q: %v", string(bs), e.EventType(), err)
}
return e, nil
}
// AssigneeChanged indicates that a change's assignee has been changed.
type AssigneeChanged struct {
Type string `json:"type"`
Change Change `json:"change"`
Changer Account `json:"changer"`
OldAssignee Account `json:"oldAssignee"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (AssigneeChanged) EventType() string { return "assignee-changed" }
func init() {
registerEvent(func() Event { return &AssigneeChanged{} })
}
// ChangeAbandoned indicates that a change has been abandoned.
type ChangeAbandoned struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Abandoner Account `json:"abandoner"`
Reason string `json:"reason"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ChangeAbandoned) EventType() string { return "change-abandoned" }
func init() {
registerEvent(func() Event { return &ChangeAbandoned{} })
}
// ChangeDeleted indicates that a change has been deleted.
type ChangeDeleted struct {
Type string `json:"type"`
Change Change `json:"change"`
Deleter Account `json:"deleter"`
}
// EventType implements Event.
func (ChangeDeleted) EventType() string { return "change-deleted" }
func init() {
registerEvent(func() Event { return &ChangeDeleted{} })
}
// ChangeMerged indicates that a change has been merged into the target branch.
type ChangeMerged struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Submitter Account `json:"submitter"`
NewRev string `json:"newRev"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ChangeMerged) EventType() string { return "change-merged" }
func init() {
registerEvent(func() Event { return &ChangeMerged{} })
}
// ChangeRestored indicates a change has been restored (i.e. un-abandoned).
type ChangeRestored struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Restorer Account `json:"restorer"`
Reason string `json:"reason"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ChangeRestored) EventType() string { return "change-restored" }
func init() {
registerEvent(func() Event { return &ChangeRestored{} })
}
// CommentAdded indicates someone has commented on a patchset.
type CommentAdded struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Author Account `json:"author"`
Approvals []Approval `json:"approvals"`
Comment string `json:"comment"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (CommentAdded) EventType() string { return "comment-added" }
func init() {
registerEvent(func() Event { return &CommentAdded{} })
}
// DroppedOutput indicates that some events may be missing from the stream.
type DroppedOutput struct {
Type string `json:"type"`
}
// EventType implements Event.
func (DroppedOutput) EventType() string { return "dropped-output" }
func init() {
registerEvent(func() Event { return &DroppedOutput{} })
}
// HashtagsChanged indicates that someone has added or removed hashtags from a change.
type HashtagsChanged struct {
Type string `json:"type"`
Change Change `json:"change"`
Editor Account `json:"editor"`
Added []string `json:"added"`
Removed []string `json:"removed"`
Hashtags []string `json:"hashtags"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (HashtagsChanged) EventType() string { return "hashtags-changed" }
func init() {
registerEvent(func() Event { return &HashtagsChanged{} })
}
// ProjectCreated indicates that a new project has been created.
type ProjectCreated struct {
Type string `json:"type"`
ProjectName string `json:"projectName"`
ProjectHead string `json:"projectHead"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ProjectCreated) EventType() string { return "project-created" }
func init() {
registerEvent(func() Event { return &ProjectCreated{} })
}
// PatchSetCreated indicates that a new patchset has been added to a change.
type PatchSetCreated struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Uploader Account `json:"uploader"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (PatchSetCreated) EventType() string { return "patchset-created" }
func init() {
registerEvent(func() Event { return &PatchSetCreated{} })
}
// RefUpdated indicates that a ref has been updated.
type RefUpdated struct {
Type string `json:"type"`
Submitter Account `json:"submitter"`
RefUpdate RefUpdate `json:"refUpdate"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (RefUpdated) EventType() string { return "ref-updated" }
func init() {
registerEvent(func() Event { return &RefUpdated{} })
}
// ReviewerAdded indicates that a reviewer has been added to a change.
type ReviewerAdded struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Reviewer Account `json:"reviewer"`
Adder Account `json:"adder"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ReviewerAdded) EventType() string { return "reviewer-added" }
func init() {
registerEvent(func() Event { return &ReviewerAdded{} })
}
// ReviewerDeleted indicates that a reviewer has been removed from a change, possibly removing one or more approvals.
type ReviewerDeleted struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Reviewer Account `json:"reviewer"`
Remover Account `json:"remover"`
Approvals []Approval `json:"approvals"`
Comment string `json:"comment"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (ReviewerDeleted) EventType() string { return "reviewer-deleted" }
func init() {
registerEvent(func() Event { return &ReviewerDeleted{} })
}
// TopicChanged indicates that the topic attached to a change has been changed.
type TopicChanged struct {
Type string `json:"type"`
Change Change `json:"change"`
Changer Account `json:"changer"`
OldTopic string `json:"oldTopic"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (TopicChanged) EventType() string { return "topic-changed" }
func init() {
registerEvent(func() Event { return &TopicChanged{} })
}
// WIPStateChanged indicates that the work-in-progress state of a change has changed.
type WIPStateChanged struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Changer Account `json:"changer"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (WIPStateChanged) EventType() string { return "wip-state-changed" }
func init() {
registerEvent(func() Event { return &WIPStateChanged{} })
}
// PrivateStateChanged indicates that the private state of a change has changed.
type PrivateStateChanged struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Changer Account `json:"changer"`
EventCreatedOn Time `json:"eventCreatedOn"`
}
// EventType implements Event.
func (PrivateStateChanged) EventType() string { return "private-state-changed" }
func init() {
registerEvent(func() Event { return &PrivateStateChanged{} })
}
// VoteDeleted indicates that an approval vote has been deleted from a change.
type VoteDeleted struct {
Type string `json:"type"`
Change Change `json:"change"`
PatchSet PatchSet `json:"patchSet"`
Reviewer Account `json:"reviewer"`
Remover Account `json:"remover"`
Approvals []Approval `json:"approvals"`
Comment string `json:"comment"`
}
// EventType implements Event.
func (VoteDeleted) EventType() string { return "vote-deleted" }
func init() {
registerEvent(func() Event { return &VoteDeleted{} })
}