molly-db/module/api_handler.js

Molly-db is a free and open source library for nodejs that allow you create a lightweight encrypted database using Json files

const memory = require('./memory_handler');
const cluster = require('cluster');
const {Buffer} = require('buffer');
const output = new Object();

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function send( db,arg,msg ){
    const empty = '{ "status":"404", "message":"empty data" }';
    const error = '{ "status":"404", "message":"error data" }';
    return new Promise((response,reject)=>{
        try {memory(arg,msg,db)
            .then(x=> response(JSON.stringify(x)||empty) )
            .catch(e=>response(JSON.stringify(e)||empty) )
        } catch(e) { response(error) }
    }) 
}

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module.exports = function(db,req,res,arg){

    if( req.method != 'POST' ){
        res.writeHead(200,{'content-type': 'text/plain'});
        return res.end('Only Post Method Avalilable');
    }   const raw = new Array();

    req.on('data',(chunk)=>{ raw.push(chunk) });
    req.on('close',()=>{ 
        try {
            const data = JSON.parse(Buffer.concat(raw));
            send(db,arg,data).then(msg=>{
                const status = msg.match(/\d+/i)[0];
                res.writeHead(status,{'content-type': 'text/plain'});
                res.write(msg); res.end();
            }).catch(e=>{
                res.writeHead(404,{'content-type': 'text/plain'});
                res.write(e); res.end();
            })
        } catch(e) {
            res.writeHead(404,{'content-type': 'text/plain'});
            res.write('unexpected body'); res.end();
        }
    });

}

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