forked from masutaka/github-nippou
/
events.go
144 lines (114 loc) · 3.54 KB
/
events.go
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package lib
import (
"context"
"fmt"
"log"
"time"
"github.com/google/go-github/github"
)
// Events represents a structure for fetching user-related events from the GitHub API.
// It holds the necessary parameters to filter and retrieve specific event data for a user.
type Events struct {
ctx context.Context
client *github.Client
user string
sinceTime time.Time
untilTime time.Time
debug bool
}
// NewEvents is an initializer
func NewEvents(ctx context.Context, client *github.Client, user string, sinceTime, untilTime time.Time, debug bool) *Events {
return &Events{ctx: ctx, client: client, user: user, sinceTime: sinceTime, untilTime: untilTime, debug: debug}
}
// Collect retrieve GitHub `e.user` events from `e.sinceTime` to `e.untilTime`
func (e *Events) Collect() ([]*github.Event, error) {
return e.uniq(e.filter(e.retrieve()))
}
func (e *Events) retrieve() []*github.Event {
var allEvents []*github.Event
opt := &github.ListOptions{Page: 1, PerPage: 100}
for {
events, response, err := e.client.Activity.ListEventsPerformedByUser(e.ctx, e.user, false, opt)
if err != nil {
log.Fatal(err)
}
allEvents = append(allEvents, events...)
if !continueToRetrieve(response, events, e.sinceTime) {
break
}
opt.Page = response.NextPage
}
return selectEventsInRange(allEvents, e.sinceTime, e.untilTime)
}
func continueToRetrieve(response *github.Response, events []*github.Event, sinceTime time.Time) bool {
if response.NextPage == 0 {
return false
}
lastEvent := *events[len(events)-1]
if lastEvent.CreatedAt.Before(sinceTime.Add(-time.Nanosecond)) {
return false
}
return true
}
func selectEventsInRange(events []*github.Event, sinceTime, untilTime time.Time) []*github.Event {
var result []*github.Event
for _, event := range events {
if isRange(event, sinceTime, untilTime) {
result = append(result, event)
}
}
return result
}
func isRange(event *github.Event, sinceTime, untilTime time.Time) bool {
return event.CreatedAt.After(sinceTime.Add(-time.Nanosecond)) &&
event.CreatedAt.Before(untilTime.Add(time.Nanosecond))
}
func (e *Events) filter(events []*github.Event) []*github.Event {
var result []*github.Event
for _, event := range events {
if e.debug {
format := NewFormat(e.ctx, e.client, Settings{}, false)
fmt.Printf("[Debug] %s: %v\n", *event.Type, format.Line(event, 999))
}
switch *event.Type {
case "IssuesEvent", "IssueCommentEvent", "PullRequestEvent", "PullRequestReviewCommentEvent", "PullRequestReviewEvent":
result = append(result, event)
}
}
return result
}
func (e *Events) uniq(events []*github.Event) ([]*github.Event, error) {
m := make(map[string]bool)
var result []*github.Event
for _, event := range events {
htmlURL, err := htmlURL(event)
if err != nil {
return nil, err
}
if !m[htmlURL] {
m[htmlURL] = true
result = append(result, event)
}
}
return result, nil
}
func htmlURL(event *github.Event) (string, error) {
var result string
payload, err := event.ParsePayload()
if err != nil {
return "", err
}
switch *event.Type {
case "IssuesEvent":
result = *payload.(*github.IssuesEvent).Issue.HTMLURL
case "IssueCommentEvent":
result = *payload.(*github.IssueCommentEvent).Issue.HTMLURL
case "PullRequestEvent":
result = *payload.(*github.PullRequestEvent).PullRequest.HTMLURL
case "PullRequestReviewCommentEvent":
result = *payload.(*github.PullRequestReviewCommentEvent).PullRequest.HTMLURL
case "PullRequestReviewEvent":
result = *payload.(*github.PullRequestReviewEvent).PullRequest.HTMLURL
}
return result, nil
}