/
main.go
142 lines (118 loc) · 4.35 KB
/
main.go
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package gh
import (
"context"
"fmt"
"io/ioutil"
"time"
"github.com/shurcooL/githubv4"
log "github.com/sirupsen/logrus"
"golang.org/x/oauth2"
"github.com/fgimenez/cihealth/pkg/constants"
)
var (
zeroDate = time.Time{}
)
type Client struct {
inner *githubv4.Client
dataDays int
source string
}
func NewClient(tokenPath, source string, dataDays int) (*Client, error) {
token, err := ioutil.ReadFile(tokenPath)
if err != nil {
return nil, err
}
src := oauth2.StaticTokenSource(
&oauth2.Token{AccessToken: string(token)},
)
httpClient := oauth2.NewClient(context.Background(), src)
inner := githubv4.NewClient(httpClient)
client := &Client{
inner,
dataDays,
source,
}
return client, nil
}
func (c *Client) DataDays() int {
return c.dataDays
}
func (c *Client) Source() string {
return c.source
}
// MergeQueueSizeByDate returns the merge queue size for a given date.
func (c *Client) MergeQueueSizeByDate(date time.Time) (int, error) {
mergedQueryString := fmt.Sprintf("repo:%s created:<%[2]s type:pr merged>=%[2]s", c.source, date.Format(constants.DateFormat))
log.Debugf("merged query: %q", mergedQueryString)
mergedQueryResult, err := c.prQuery(mergedQueryString)
if err != nil {
return 0, err
}
notMergedQueryString := fmt.Sprintf("repo:%s created:<=%s type:pr is:open", c.source, date.Format(constants.DateFormat))
log.Debugf("not merged query: %q", notMergedQueryString)
notMergedQueryResult, err := c.prQuery(notMergedQueryString)
if err != nil {
return 0, err
}
log.Debugf("Merge query result length: %d, not merged query result length: %d", len(mergedQueryResult), len(notMergedQueryResult))
result := 0
for _, pr := range append(mergedQueryResult, notMergedQueryResult...) {
if DatePREnteredMergeQueue(&pr.PullRequestFragment, date) != zeroDate {
result++
}
}
return result, nil
}
func (c *Client) prQuery(query string) ([]struct {
PullRequestFragment `graphql:"... on PullRequest"`
}, error) {
ctx := context.Background()
variables := map[string]interface{}{
"querystring": githubv4.String(query),
}
var mergedQuery struct {
Search struct {
Nodes []struct {
PullRequestFragment `graphql:"... on PullRequest"`
}
} `graphql:"search(query: $querystring, type: ISSUE, first:100)"`
}
err := c.inner.Query(ctx, &mergedQuery, variables)
return mergedQuery.Search.Nodes, err
}
// DatePREnteredMergeQueue returns when a PR entered the merge queue before a
// given date, zero value date if it was not in the merge queue by that date.
func DatePREnteredMergeQueue(pr *PullRequestFragment, date time.Time) time.Time {
labelsAdded := make(map[string]time.Time)
labelsRemoved := make(map[string]time.Time)
for i := len(pr.TimelineItems.Nodes) - 1; i >= 0; i-- {
timelineItem := pr.TimelineItems.Nodes[i]
if (timelineItem.LabeledEventFragment != LabeledEventFragment{}) {
labelsAdded[timelineItem.LabeledEventFragment.AddedLabel.Name] = timelineItem.LabeledEventFragment.CreatedAt
labelsRemoved[timelineItem.LabeledEventFragment.AddedLabel.Name] = zeroDate
} else if (timelineItem.UnlabeledEventFragment != UnlabeledEventFragment{}) {
labelsAdded[timelineItem.UnlabeledEventFragment.RemovedLabel.Name] = zeroDate
labelsRemoved[timelineItem.UnlabeledEventFragment.RemovedLabel.Name] = timelineItem.UnlabeledEventFragment.CreatedAt
}
}
if labelsAdded[constants.LGTMLabel].After(labelsAdded[constants.HoldLabel]) &&
labelsAdded[constants.LGTMLabel].After(labelsAdded[constants.NeedsRebaseLabel]) &&
labelsAdded[constants.LGTMLabel].Before(date) &&
labelsAdded[constants.ApprovedLabel].After(labelsAdded[constants.HoldLabel]) &&
labelsAdded[constants.ApprovedLabel].After(labelsAdded[constants.NeedsRebaseLabel]) &&
labelsAdded[constants.ApprovedLabel].Before(date) {
if labelsRemoved[constants.HoldLabel].After(labelsAdded[constants.LGTMLabel]) &&
labelsRemoved[constants.HoldLabel].After(labelsAdded[constants.ApprovedLabel]) {
return labelsRemoved[constants.HoldLabel]
}
if labelsRemoved[constants.NeedsRebaseLabel].After(labelsAdded[constants.LGTMLabel]) &&
labelsRemoved[constants.NeedsRebaseLabel].After(labelsAdded[constants.ApprovedLabel]) {
return labelsRemoved[constants.NeedsRebaseLabel]
}
if labelsAdded[constants.ApprovedLabel].After(labelsAdded[constants.LGTMLabel]) {
return labelsAdded[constants.ApprovedLabel]
}
return labelsAdded[constants.LGTMLabel]
}
return zeroDate
}