trashcan.js
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const express = require('express');
const router = express.Router();
const AWS = require("aws-sdk");
const moment = require("moment");
AWS.config.loadFromPath(__dirname + "/modules/awsconfig.json");
var S3 = require(__dirname + '/modules/s3/s3');
const s3 = new AWS.S3();
router.get('/show', function(req, res, next) {
console.log(req.query);
user_id = req.query.id;
let checkfolder = 'SELECT * FROM folders WHERE location = ? AND user_id = ?;';
connection.query(checkfolder, ['/trashcan/', user_id], function(err, folder) {
if (err) {
console.log('select error');
res.status(400).send({ err: err });
} else {
let checkfile = 'SELECT * FROM files WHERE location = ? AND user_id = ?;';
connection.query(checkfile, ['/trashcan/', user_id], function(err, file) {
if (err) {
console.log('select error');
res.status(400).send({ err: err });
} else {
res.status(200).send({
folders: folder,
files: file
})
}
});
}
});
});
router.get('/delfile', function(req, res, next) {
var file_id = req.query.file_id;
var user_id = req.query.id;
var getsql = 'SELECT * FROM files WHERE file_id = (?)';
connection.query(getsql, [file_id], function(err, rows) {
if (err) {
console.log('select db error');
res.send({ erorr: 'db select error' });
} else {
if (rows.length == 0) {
console.log('exist error');
res.send({ erorr: 'exist error' });
} else {
var curPath = '/trashcan/';
var file_name = rows[0].file_name;
var sourceFile = curPath.substring(1) + file_name;
var sql1 = 'DELETE FROM files WHERE file_name = (?) AND location=(?) AND user_Id = (?)';
connection.query(sql1, [file_name, curPath, user_id], function(err) {
if (err) {
console.log('delete db error');
res.send({ erorr: 'db delete error' });
} else {
S3.deleteFile(S3.BUCKET_NAME, user_id, sourceFile, function(result) {
if (result) {
let checkfile = 'SELECT * FROM files WHERE location = ? AND user_id = ?;';
connection.query(checkfile, ['/trashcan/', user_id], function(err, file) {
res.status(200).send({
files: file
})
});
}
})
}
})
}
}
})
});
router.get('/delfolder', function(req, res, next) {
var folder_id = req.query.folder_id;
var user_id = req.query.id;
var getsql = 'SELECT * FROM folders WHERE folder_id = (?)';
connection.query(getsql, [folder_id], function(err, rows) {
if (err) {
console.log('select db error');
res.send({ erorr: 'db select error' });
} else {
if (rows.length == 0) {
console.log('exist error');
res.send({ erorr: 'exist error' });
} else {
var curPath = '/trashcan/'
var folder_name = rows[0].folder_name;
var sql1 = 'DELETE FROM folders WHERE folder_name = (?) AND location=(?) AND user_Id = (?)';
connection.query(sql1, [folder_name, curPath, user_id], function(err) {
if (err) {
console.log('delete db error');
res.send({ erorr: 'db delete error' });
} else {
var params = {
Bucket: S3.BUCKET_NAME,
Key: 'drive/' + user_id + curPath + folder_name + '/'
};
s3.deleteObject(params, function(err, data) {
if (err) {
res.status(400).send({ err: err });
} else {
let checkfolder = 'SELECT * FROM folders WHERE location = ? AND user_id = ?;';
connection.query(checkfolder, [curPath, user_id], function(err, rows) {
res.status(200).send({
folders: rows
})
});
}
})
}
})
}
}
})
});
router.get('/all', function(req, res, next) {
var user_id = req.query.id;
var getfolder = "SELECT * FROM folders WHERE user_id = ? AND location = ?;";
connection.query(getfolder, [user_id, '/trashcan/'], function(err, folders) {
if (err) {
console.log('select db error');
res.send({ erorr: 'db select error' });
} else {
var getfile = "SELECT * FROM files WHERE user_id = ? AND location = ?;";
connection.query(getfile, [user_id, '/trashcan/'], function(err, files) {
if (err) {
console.log('select db error');
res.send({ erorr: 'db select error' });
} else {
for (let i of files) {
var sql1 = 'DELETE FROM files WHERE file_id = ?;';
var sourceFile = 'trashcan/' + i.file_name;
connection.query(sql1, [i.file_id], function(err) {
if (err) {
console.log('delete db error');
res.send({ erorr: 'db delete error' });
} else {
S3.deleteFile(S3.BUCKET_NAME, user_id, sourceFile, function(result) {})
}
})
}
for (let j of folders) {
var curPath = '/trashcan/';
var sql1 = 'DELETE FROM folders WHERE folder_name = (?) AND location=(?) AND user_Id = (?)';
connection.query(sql1, [j.folder_name, curPath, user_id], function(err) {
if (err) {
console.log('delete db error');
res.send({ erorr: 'db delete error' });
} else {
var params = {
Bucket: S3.BUCKET_NAME,
Key: 'drive/' + user_id + curPath + j.folder_name + '/'
};
s3.deleteObject(params, function(err, data) {
if (err) {
res.status(400).send({ err: err });
}
});
}
});
}
res.send({ success: "success" });
}
});
}
});
});
router.post('/restore', function(req, res, next) {
console.log(req.body);
let user_id = req.body.user_id;
let id = req.body.id;
if (req.body.isfolder) {
let checkfolder = 'SELECT * FROM folders WHERE folder_id = ? AND user_id = ?;';
connection.query(checkfolder, [id, user_id], function(err1, rows, fields) {
console.log(rows);
if (rows.length != 0) {
let curPath = user_id + '/trashcan/'
let name = rows[0].folder_name
let copy_params = {
Bucket: S3.BUCKET_NAM,
CopySource: S3.BUCKET_NAM + '/drive/' + curPath + name + '/',
Key: 'drive/' + user_id + '/' + name + '/'
};
let del_params = {
Bucket: S3.BUCKET_NAM,
Key: 'drive/' + curPath + name + '/'
};
s3.copyObject(copy_params, function(err, data) {
if (err) {
console.log(err, data);
console.log("copy error");
res.status(304).send({ error: "copy error" });
} else {
s3.deleteObject(del_params, function(err, data) {
if (err) {
console.log(err, data);
console.log("delete error");
res.status(304).send({ error: "delete error" });
} else {
let values = ['/', '/trashcan/', name, user_id];
let updatesql = 'UPDATE folders SET location = ? WHERE location = ? AND folder_name = ? AND user_id = ?;';
connection.query(updatesql, values, function(err3, result, field) {
if (err3) {
console.log("updatesql error");
res.status(304).send({ error: "updatesql error" });
} else {
let resultsql = 'SELECT * FROM folders WHERE location = ? AND user_id = ?;';
connection.query(resultsql, ['/trashcan/', user_id], function(err, folder, fields) {
res.status(200).send({
folders: folder
});
});
}
});
}
});
}
});
} else {
console.log("Does not exist folder");
res.status(304).send({ error: "Does not exist" });
}
});
} else {
let checkfile = 'SELECT * FROM files WHERE file_id = ? AND user_id = ?;';
connection.query(checkfile, [id, user_id], function(err1, rows, fields) {
console.log(rows);
if (rows.length != 0) {
let curPath = user_id + '/trashcan/'
let name = rows[0].file_name
let copy_params = {
Bucket: S3.BUCKET_NAME,
CopySource: S3.BUCKET_NAME + '/drive/' + curPath + name,
Key: 'drive/' + user_id + '/' + name
};
let del_params = {
Bucket: S3.BUCKET_NAME,
Key: 'drive/' + curPath + name
};
s3.copyObject(copy_params, function(err, data) {
if (err) {
console.log(err, data);
console.log("copy error");
res.status(304).send({ error: "copy error" });
} else {
s3.deleteObject(del_params, function(err, data) {
if (err) {
console.log(err, data);
console.log("delete error");
res.status(304).send({ error: "delete error" });
} else {
let values = ['/', '/trashcan/', name, user_id];
let updatesql = 'UPDATE files SET location = ? WHERE location = ? AND folder_name = ? AND user_id = ?;';
connection.query(updatesql, values, function(err3, result, field) {
if (err3) {
console.log("updatesql error");
res.status(304).send({ error: "updatesql error" });
} else {
let resultsql = 'SELECT * FROM files WHERE location = ? AND user_id = ?;';
connection.query(resultsql, ['/trashcan/', user_id], function(err, file, fields) {
res.status(200).send({
files: file
});
});
}
});
}
});
}
});
} else {
console.log("Does not exist file");
res.status(304).send({ error: "Does not exist" });
}
});
}
});
module.exports = router;