add git clone and job listing

api/github/repository.go

@@ -1,12 +1,17 @@
 package github
 
 import (
+	"context"
 	"fmt"
+	"log"
+	"net/http"
 	"os"
 
+	"github.com/bradleyfalzon/ghinstallation"
 	"github.com/go-git/go-git/v6"
+	gogithub "github.com/google/go-github/github"
 
-	"github.com/go-git/go-git/v6/plumbing/transport/http"
+	gogithttp "github.com/go-git/go-git/v6/plumbing/transport/http"
 )
 
 type Repository struct {
@@ -15,13 +20,27 @@ type Repository struct {
 	InstallationID int64
 }
 
-func (r *Repository) Clone(ref string) error {
-	installToken := ""
-	_, err := git.PlainClone(fmt.Sprintf("/tmp/%s", r.Name), &git.CloneOptions{
+func (r *Repository) ClonePath() string {
+	return fmt.Sprintf("/tmp/%s", r.Name)
+}
+
+func (r *Repository) Clone(appID int64, appPrivateKey, ref string) error {
+	itr, err := ghinstallation.NewKeyFromFile(http.DefaultTransport, appID, r.InstallationID, appPrivateKey)
+	if err != nil {
+		return err
+	}
+
+	client := gogithub.NewClient(&http.Client{Transport: itr})
+	installToken, _, err := client.Apps.CreateInstallationToken(context.Background(), r.InstallationID)
+	if err != nil {
+		fmt.Errorf("failed to get install token with err: %w", err)
+		return err
+	}
+	_, err = git.PlainClone(r.ClonePath(), &git.CloneOptions{
 		URL: r.CloneURL,
-		Auth: &http.BasicAuth{
+		Auth: &gogithttp.BasicAuth{
 			Username: "cish", // yes, this can be anything except an empty string
-			Password: installToken,
+			Password: *installToken.Token,
 		},
 		Progress: os.Stdout,
 	})
@@ -30,3 +49,16 @@ func (r *Repository) Clone(ref string) error {
 	}
 	return nil
 }
+
+func (r *Repository) ListJobs(eventType string) ([]string, error) {
+	entries, err := os.ReadDir(r.CloneURL + "/.cish/" + eventType) // eventType = push | pull_request | tags
+	if err != nil {
+		log.Fatal(err)
+		return nil, err
+	}
+	res := []string{}
+	for _, e := range entries {
+		res = append(res, fmt.Sprintf("%s/.cish/%s/%s", r.Name, eventType, e.Name()))
+	}
+	return res, nil
+}

api/github/webhook.go

@@ -17,11 +17,12 @@ func HandleEvent(event *github.WebhookEvent) error {
 		log.Printf("Push to %s by %s",
 			payload.Repository.ContentsURL,
 			payload.PusherPerson.Name)
-		// repo := Repository{
-		//	Name:           payload.Repository.FullName,
-		//	CloneURL:       payload.Repository.CloneURL,
-		//	InstallationID: payload.Installation.ID,
-		// }
+		repo := Repository{
+			Name:           payload.Repository.FullName,
+			CloneURL:       payload.Repository.CloneURL,
+			InstallationID: payload.Installation.ID,
+		}
+		repo.Clone(1, ".pem", payload.Ref)
 	// getJobsFromRepository()
 
 	case github.PullRequestEvent: