feat: add download from alioss job

backend/app/jobs/download_from_alioss.go

@@ -2,8 +2,12 @@ package jobs
 
 import (
 	"context"
+	"os"
+	"path/filepath"
 	"time"
 
+	"quyun/providers/ali"
+
 	. "github.com/riverqueue/river"
 	log "github.com/sirupsen/logrus"
 	_ "go.ipao.vip/atom"
@@ -14,8 +18,7 @@ import (
 var _ contracts.JobArgs = (*WechatCallback)(nil)
 
 type DownloadFromAliOSS struct {
-	Bucket string
-	Path   string
+	Path string
 }
 
 func (s DownloadFromAliOSS) InsertOpts() InsertOpts {
@@ -33,6 +36,12 @@ var _ Worker[DownloadFromAliOSS] = (*DownloadFromAliOSSWorker)(nil)
 // @provider(job)
 type DownloadFromAliOSSWorker struct {
 	WorkerDefaults[DownloadFromAliOSS]
+
+	oss *ali.OSSClient
+}
+
+func (w *DownloadFromAliOSSWorker) NextRetry(job *Job[DownloadFromAliOSS]) time.Time {
+	return time.Now().Add(30 * time.Second)
 }
 
 func (w *DownloadFromAliOSSWorker) Work(ctx context.Context, job *Job[DownloadFromAliOSS]) error {
@@ -41,9 +50,37 @@ func (w *DownloadFromAliOSSWorker) Work(ctx context.Context, job *Job[DownloadFr
 	log.Infof("[Start] Working on job with strings: %+v", job.Args)
 	defer log.Infof("[End] Finished %s", job.Args.Kind())
 
+	dst := filepath.Join("/Users/rogee/Projects/self/quyun/backend/fixtures/oss/", job.Args.Path)
+
+	// check is path exist
+	_, err := os.Stat(dst)
+	if os.IsNotExist(err) {
+		log.Infof("File not exists: %s", dst)
+		// midir
+		err := os.MkdirAll(filepath.Dir(dst), os.ModePerm)
+		if err != nil {
+			log.Errorf("Error creating directory: %v", err)
+			return err
+		}
+	}
+
+	if err == nil {
+		log.Infof("File already exists: %s", dst)
+		err := os.Remove(dst)
+		if err != nil {
+			log.Errorf("Error removing file: %v", err)
+			return err
+		}
+
+		return nil
+	}
+
+	if err := w.oss.Download(ctx, job.Args.Path, dst); err != nil {
+		log.Errorf("Error downloading file: %v", err)
+		return err
+	}
+
+	log.Infof("Successfully downloaded file: %s", job.Args.Path)
+
 	return nil
 }
-
-func (w *DownloadFromAliOSSWorker) NextRetry(job *Job[DownloadFromAliOSS]) time.Time {
-	return time.Now().Add(30 * time.Second)
-}