From 32cebc29442d226821e9f46fdcf6d38836f63d5a Mon Sep 17 00:00:00 2001
From: Fransiskus Febryan Suryawan <franfebryan@protonmail.com>
Date: Sat, 3 Jul 2021 13:40:09 +0700
Subject: [PATCH] Add file deletion from bucket

---
 app/controllers/materiController.js | 10 +++++++++-
 app/controllers/tugasController.js  |  6 +++++-
 app/helper/uploader.js              |  8 +++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/app/controllers/materiController.js b/app/controllers/materiController.js
index dd89f08..4e113df 100644
--- a/app/controllers/materiController.js
+++ b/app/controllers/materiController.js
@@ -1,5 +1,5 @@
 const { Materi, File } = require('../database/models');
-const { uploadFile } = require('../helper/uploader');
+const { uploadFile, deleteFile } = require('../helper/uploader');
 const { parseForm } = require('../helper/parseform');
 
 module.exports = {
@@ -51,9 +51,17 @@ module.exports = {
    */
   async removeMateri(req, res){
     const id = req.params.id;
+    const materi = await Materi.findByPk(id, {
+      include: {
+        model: File
+      }
+    });
     await Materi.destroy({
       where: { id }
     });
+    await Promise.all(materi.File.map((file) => new Promise((resolve, reject) => {
+      deleteFile(file.path).then(resolve).catch(reject);
+    })));
     res.status(200).json({message: 'success'});
   },
   /**
diff --git a/app/controllers/tugasController.js b/app/controllers/tugasController.js
index a94cc7e..abb6a00 100644
--- a/app/controllers/tugasController.js
+++ b/app/controllers/tugasController.js
@@ -1,7 +1,7 @@
 const { Tugas, SubmisiTugas, User } = require('../database/models');
 const { ROLES } = require('../helper/constants');
 const { parseForm } = require('../helper/parseform');
-const { uploadFile } = require('../helper/uploader');
+const { uploadFile, deleteFile } = require('../helper/uploader');
 
 module.exports = {
   /**
@@ -150,9 +150,13 @@ module.exports = {
   async hapusSubmisi(req, res){
     const id = req.params.id;
     try{
+      const submisi = SubmisiTugas.findOne({
+        where: { id, pemilik: req.userToken.id }
+      });
       await SubmisiTugas.destroy({
         where: { id, pemilik: req.userToken.id }
       });
+      await deleteFile(submisi.path);
       res.json({message: 'success removing submisi'});
     }
     catch(err){
diff --git a/app/helper/uploader.js b/app/helper/uploader.js
index a79efb7..d523d31 100644
--- a/app/helper/uploader.js
+++ b/app/helper/uploader.js
@@ -22,4 +22,10 @@ async function uploadFile(localFile, destination) {
   console.log(`${localFile} uploaded to ${bucketName}`);
 }
 
-module.exports = { uploadFile };
\ No newline at end of file
+async function deleteFile(fileName){
+  await storage.bucket(bucketName).file(fileName).delete();
+
+  console.log(`gs://${bucketName}/${fileName} deleted`);
+}
+
+module.exports = { uploadFile, deleteFile };
\ No newline at end of file