mirror of
https://codeberg.org/forgejo/forgejo.git
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82dbb34c9c
* vendor update: go-gitlab to v0.31.0 * migrate client init to v0.31.0 * refactor
233 lines
6.1 KiB
Go
233 lines
6.1 KiB
Go
package gitlab
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import (
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"encoding/json"
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"fmt"
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"net/http"
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)
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// EventType represents a Gitlab event type.
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type EventType string
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// List of available event types.
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const (
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EventTypeBuild EventType = "Build Hook"
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EventTypeIssue EventType = "Issue Hook"
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EventConfidentialIssue EventType = "Confidential Issue Hook"
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EventTypeJob EventType = "Job Hook"
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EventTypeMergeRequest EventType = "Merge Request Hook"
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EventTypeNote EventType = "Note Hook"
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EventConfidentialNote EventType = "Confidential Note Hook"
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EventTypePipeline EventType = "Pipeline Hook"
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EventTypePush EventType = "Push Hook"
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EventTypeSystemHook EventType = "System Hook"
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EventTypeTagPush EventType = "Tag Push Hook"
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EventTypeWikiPage EventType = "Wiki Page Hook"
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)
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const (
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noteableTypeCommit = "Commit"
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noteableTypeMergeRequest = "MergeRequest"
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noteableTypeIssue = "Issue"
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noteableTypeSnippet = "Snippet"
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)
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type noteEvent struct {
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ObjectKind string `json:"object_kind"`
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ObjectAttributes struct {
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NoteableType string `json:"noteable_type"`
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} `json:"object_attributes"`
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}
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const eventTypeHeader = "X-Gitlab-Event"
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// HookEventType returns the event type for the given request.
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func HookEventType(r *http.Request) EventType {
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return EventType(r.Header.Get(eventTypeHeader))
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}
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// ParseHook tries to parse both web- and system hooks.
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//
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// Example usage:
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//
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// func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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// payload, err := ioutil.ReadAll(r.Body)
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// if err != nil { ... }
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// event, err := gitlab.ParseHook(gitlab.HookEventType(r), payload)
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// if err != nil { ... }
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// switch event := event.(type) {
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// case *gitlab.PushEvent:
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// processPushEvent(event)
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// case *gitlab.MergeEvent:
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// processMergeEvent(event)
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// ...
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// }
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// }
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//
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func ParseHook(eventType EventType, payload []byte) (event interface{}, err error) {
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switch eventType {
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case EventTypeSystemHook:
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return ParseSystemhook(payload)
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default:
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return ParseWebhook(eventType, payload)
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}
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}
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// ParseSystemhook parses the event payload. For recognized event types, a
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// value of the corresponding struct type will be returned. An error will be
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// returned for unrecognized event types.
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//
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// Example usage:
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//
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// func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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// payload, err := ioutil.ReadAll(r.Body)
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// if err != nil { ... }
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// event, err := gitlab.ParseSystemhook(payload)
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// if err != nil { ... }
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// switch event := event.(type) {
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// case *gitlab.PushSystemEvent:
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// processPushSystemEvent(event)
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// case *gitlab.MergeSystemEvent:
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// processMergeSystemEvent(event)
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// ...
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// }
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// }
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//
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func ParseSystemhook(payload []byte) (event interface{}, err error) {
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e := &systemHookEvent{}
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err = json.Unmarshal(payload, e)
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if err != nil {
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return nil, err
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}
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switch e.EventName {
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case "push":
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event = &PushSystemEvent{}
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case "tag_push":
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event = &TagPushSystemEvent{}
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case "repository_update":
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event = &RepositoryUpdateSystemEvent{}
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case
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"project_create",
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"project_update",
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"project_destroy",
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"project_transfer",
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"project_rename":
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event = &ProjectSystemEvent{}
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case
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"group_create",
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"group_destroy",
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"group_rename":
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event = &GroupSystemEvent{}
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case
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"key_create",
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"key_destroy":
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event = &KeySystemEvent{}
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case
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"user_create",
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"user_destroy",
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"user_rename":
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event = &UserSystemEvent{}
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case
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"user_add_to_group",
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"user_remove_from_group",
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"user_update_for_group":
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event = &UserGroupSystemEvent{}
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case
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"user_add_to_team",
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"user_remove_from_team",
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"user_update_for_team":
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event = &UserTeamSystemEvent{}
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default:
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switch e.ObjectKind {
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case "merge_request":
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event = &MergeEvent{}
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default:
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return nil, fmt.Errorf("unexpected system hook type %s", e.EventName)
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}
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}
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if err := json.Unmarshal(payload, event); err != nil {
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return nil, err
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}
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return event, nil
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}
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// WebhookEventType returns the event type for the given request.
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func WebhookEventType(r *http.Request) EventType {
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return EventType(r.Header.Get(eventTypeHeader))
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}
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// ParseWebhook parses the event payload. For recognized event types, a
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// value of the corresponding struct type will be returned. An error will
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// be returned for unrecognized event types.
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//
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// Example usage:
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//
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// func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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// payload, err := ioutil.ReadAll(r.Body)
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// if err != nil { ... }
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// event, err := gitlab.ParseWebhook(gitlab.HookEventType(r), payload)
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// if err != nil { ... }
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// switch event := event.(type) {
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// case *gitlab.PushEvent:
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// processPushEvent(event)
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// case *gitlab.MergeEvent:
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// processMergeEvent(event)
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// ...
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// }
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// }
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//
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func ParseWebhook(eventType EventType, payload []byte) (event interface{}, err error) {
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switch eventType {
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case EventTypeBuild:
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event = &BuildEvent{}
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case EventTypeIssue, EventConfidentialIssue:
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event = &IssueEvent{}
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case EventTypeJob:
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event = &JobEvent{}
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case EventTypeMergeRequest:
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event = &MergeEvent{}
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case EventTypePipeline:
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event = &PipelineEvent{}
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case EventTypePush:
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event = &PushEvent{}
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case EventTypeTagPush:
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event = &TagEvent{}
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case EventTypeWikiPage:
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event = &WikiPageEvent{}
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case EventTypeNote, EventConfidentialNote:
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note := ¬eEvent{}
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err := json.Unmarshal(payload, note)
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if err != nil {
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return nil, err
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}
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if note.ObjectKind != "note" {
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return nil, fmt.Errorf("unexpected object kind %s", note.ObjectKind)
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}
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switch note.ObjectAttributes.NoteableType {
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case noteableTypeCommit:
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event = &CommitCommentEvent{}
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case noteableTypeMergeRequest:
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event = &MergeCommentEvent{}
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case noteableTypeIssue:
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event = &IssueCommentEvent{}
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case noteableTypeSnippet:
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event = &SnippetCommentEvent{}
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default:
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return nil, fmt.Errorf("unexpected noteable type %s", note.ObjectAttributes.NoteableType)
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}
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default:
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return nil, fmt.Errorf("unexpected event type: %s", eventType)
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}
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if err := json.Unmarshal(payload, event); err != nil {
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return nil, err
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}
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return event, nil
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}
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