first with full handle over rpm

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/core/clone.go

@@ -0,0 +1,83 @@
+package core
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"path/filepath"
+
+	"github.com/syonad/clonepack/internal/clone/rpm"
+	"github.com/syonad/clonepack/internal/store"
+)
+
+var ErrCloneAlreadyRunning = errors.New("a clone job is already running for this repo")
+
+type CloneService struct {
+	repoStore store.RepoStore
+	jobStore  store.CloneJobStore
+	dataDir   string
+}
+
+func NewCloneService(repoStore store.RepoStore, jobStore store.CloneJobStore, dataDir string) *CloneService {
+	return &CloneService{repoStore: repoStore, jobStore: jobStore, dataDir: dataDir}
+}
+
+func (s *CloneService) StartClone(ctx context.Context, repoID int64) (int64, error) {
+	repo, err := s.repoStore.GetRepo(ctx, repoID)
+	if err != nil {
+		return 0, err
+	}
+	if repo.Type != "rpm" {
+		return 0, fmt.Errorf("clone is only supported for rpm repositories")
+	}
+
+	running, err := s.jobStore.HasRunningCloneJob(ctx, repoID)
+	if err != nil {
+		return 0, err
+	}
+	if running {
+		return 0, ErrCloneAlreadyRunning
+	}
+
+	jobID, err := s.jobStore.CreateCloneJob(ctx, repoID)
+	if err != nil {
+		return 0, err
+	}
+
+	go s.runClone(repoID, jobID, repo.SourceURL, repo.Type)
+	return jobID, nil
+}
+
+func (s *CloneService) GetLatestCloneJob(ctx context.Context, repoID int64) (*store.CloneJob, error) {
+	return s.jobStore.GetLatestCloneJob(ctx, repoID)
+}
+
+func (s *CloneService) runClone(repoID, jobID int64, sourceURL, repoType string) {
+	ctx := context.Background()
+
+	if err := s.jobStore.MarkCloneJobStarted(ctx, jobID); err != nil {
+		log.Printf("clone job %d: failed to mark started: %v", jobID, err)
+		return
+	}
+
+	destDir := filepath.Join(s.dataDir, "repos", fmt.Sprintf("%d", repoID), repoType)
+	cloner := rpm.New(sourceURL, destDir)
+	cloner.OnProgress = func(p rpm.Progress) {
+		log.Printf("clone job %d: %s (%d bytes)", jobID, p.File, p.BytesDone)
+	}
+
+	if err := cloner.Clone(ctx); err != nil {
+		errMsg := err.Error()
+		_ = s.jobStore.MarkCloneJobFinished(ctx, jobID, store.CloneJobFailed, &errMsg)
+		log.Printf("clone job %d: failed: %v", jobID, err)
+		return
+	}
+
+	if err := rpm.RegenerateMetadata(destDir); err != nil {
+		log.Printf("clone job %d: metadata regeneration failed: %v", jobID, err)
+	}
+
+	_ = s.jobStore.MarkCloneJobFinished(ctx, jobID, store.CloneJobCompleted, nil)
+	log.Printf("clone job %d: completed", jobID)
+}