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noteApp/db.js
2020-07-28 15:31:25 +02:00

75 lines
1.5 KiB
JavaScript

const fs = require('fs').promises
const settings = require('./settings')
//TODO: use a propper file type and search method
//TODO: allow encryption
const Path = __dirname + settings.dbDir + '/'
module.exports = {}
function checkCollection(path, callback, args){
const files = fs.readdir(path)
function fn(files){
callback(files, args)
}
files.catch(function(err){
console.log('catch')
if(err.toString().substr(0, notFount.length) == notFount){
p = fs.mkdir(path)
p.catch((err) => { throw err })
p.then(() => { checkCollection(path, callback, args) })
}else{
throw err
}
})
files.then(fn)
}
module.exports.get = function(coll, file, fn){
const path = Path + '/' + coll
checkCollection(path, get, [path, file, fn])
}
function get(files, args){
const path = args[0], file = args[1], fn = args[2]
delete args
if(files.indexOf(file) == -1){
return fn('file not found', null)
}
data = fs.readFile(path + '/' + file)
data.catch((err) => {
fn('error reading file', null)
})
data.then((content) => {
fn(false, content)
})
}
module.exports.write = function(coll, file, data, fn){
const path = Path + '/' + coll
checkCollection(path, write, [path, file, data, fn])
}
function write(files, args){
const path = args[0], file = args[1], data = args[2], fn = args[3]
delete args
data = fs.writeFile(path + '/' + file, data)
data.catch((err) => {
fn('error write file')
})
data.then(() => {
fn(false)
})
}