feat: cleanup after poll deletion

1 files changed, 13 insertions, 1 deletions

diff --git a/services/files/files.class.ts b/services/files/files.class.ts
index f2a0960..8308b12 100644
--- a/services/files/files.class.ts
+++ b/services/files/files.class.ts
@@ -24,7 +24,7 @@ export default class Files {
   }
 
   public isS3url(url: string): boolean {
-    return url.startsWith(`https://${this.bucket}.s3`);
+    return url?.startsWith(`https://${this.bucket}.s3`);
   }
 
   public generateS3Path(prefix = '', ext = 'png'): string {
@@ -33,6 +33,11 @@ export default class Files {
     return prefix ? `${prefix}/${fileName}` : fileName;
   }
 
+  public getS3PathFromUrl(url: string): string {
+    const dotComIndex = url.indexOf('.com');
+    return url.slice(dotComIndex + 5);
+  }
+
   async getUploadUrl(path: string): Promise<string> {
     // Return signed upload URL
     return this.s3.getSignedUrl('putObject', {
@@ -81,6 +86,13 @@ export default class Files {
     return this.getDownloadUrl(s3Path);
   }
 
+  async deleteFile(s3Path: string): Promise<void> {
+    return this.s3.deleteObject({
+      Bucket: this.bucket,
+      Key: s3Path
+    }).promise();
+  }
+
   setup(app: Application): void {
     this.app = app;
     this.s3 = new S3({