summer-mvc/express_was.js

Structured, Light, Spring-like Web Application Development Framework

// http, https initializing
const http = require( "http" );
const https = require( "https" );





// express initializing
const express = require( "express" );
var app = express();

const setter = require( "./express_was_setter.js" );





// Setting Tools
var setterPromises = [];

setterPromises.push( setter.parseAnnotation() );
setterPromises.push( setter.setViewInfo( express, app ) );
setterPromises.push( setter.setBodyParser( app ) );
setterPromises.push( setter.setConnectionHandler( app ) );
setterPromises.push( setter.setFileHandler() );
setterPromises.push( setter.setMysqlHandler() );
setterPromises.push( setter.setMssqlHandler() );
setterPromises.push( setter.setExitHandler() );

Promise.all( setterPromises )
.then( function(){
	var argv = arguments[0];

	for( var i=0; i<argv.length; i++ ){
		if( argv[i].message ){
			logger.info( "Initializing : " + argv[i].message );
		}
	}
} )
.then( function(){
	// Start WAS - http
	var httpServer = http.createServer(app);
	app.set('port', (process.env.PORT || __defaultPort)); // 3000 was my original port

	httpServer.listen( app.get('port'), () => {
	  logger.info( "Listen Port for HTTP  : " + app.get('port') );
	} );

	// app.listen( app.get('port'), () => {
	//   logger.info( "Listen Port : " + app.get('port') );
	// } );





	// Start WAS - https
	var httpsServer = null;
	var httpsInitializer = require( __httpsInitializer );
	var credentials = httpsInitializer.getHttpsCertifications();

	if( __httpsUsage && !credentials.status && credentials.status != "error" ){
		httpsServer = https.createServer( httpsInitializer.getHttpsCertifications(), app );

		httpsServer.listen( __defaultHttpsPort, () => {
		  logger.info( "Listen Port For HTTPS : " + __defaultHttpsPort );
		} );
	}




	// set context Dispatcher
	const contextDispatcher = require( __contextDispatcher );





	// method = get
	let dispatchingInfo = __inlineContextDispatchingInfo != null ? __inlineContextDispatchingInfo : require( __contextDispatchingInfo );
	let getSpecifications = dispatchingInfo[ "GET" ];

	for( let i=0; i<getSpecifications.length; i++ ){
		app.get( (getSpecifications[i]).path, (req,res,next) => {
			req._parsedUrl.pathname = (getSpecifications[i]).path;

			logger.info( "ACCEPTED-LANGUAGE :", req.headers["accept-language"] );
		  logger.info( "REQUEST PATH :", req.path );

		  // 2. Dispatcher
		  contextDispatcher.dispatching( req, res, getSpecifications[i] )
		  .then( function( mav ){

		    try{
		      // 2-1. Ajax
		      if( req.xhr || (req.headers["accept"] && req.headers.accept.indexOf("json") > -1) ){
		    	  res.status(200);
		        res.send( mav.model );
		      }
		      // 2-2. With View
		      else{
		        let contentDisposition = res._headers[ "content-disposition" ];

		        // 2-2-1. Render View
		        if( !contentDisposition ){

		          res.status(200);

		          // path.join returns "." when parameters are empty string
		          if( mav.view != "." ){
		          	res.render( mav.view, mav.model );
		          } else{
		          	res.send( mav.model );
		          }
		        }
		        // 2-2-2. File Download
		        else{
		          res.status(200);
		          // res.download( require("path").join(mav.model.savedPath, mav.model.savedFileName), mav.model.originalFileName );
		        }

		      }
		    } catch( err ){
		      res.status(404);
		      next( err );
		    }
		  } )
		  .catch( function(err){
		    res.status(500);
		    next( err );
		  } );
		} );
	}

	// method = post
	let postSpecifications = dispatchingInfo[ "POST" ];

	for( let i=0; i<postSpecifications.length; i++ ){
		app.post( (postSpecifications[i]).path, (req, res, next)=>{
			req._parsedUrl.pathname = (postSpecifications[i]).path;

			logger.info( "ACCEPTED-LANGUAGE :", req.headers["accept-language"] );
		  logger.info( "REQUEST PATH :", req.path );

		  // 2. Dispatcher
		  contextDispatcher.dispatching( req, res, postSpecifications[i] )
		  .then( function( mav ){
		    // 2-1. Ajax
		    try{
		      if( req.xhr || req.headers.accept.indexOf("json") > -1 ){
		    	  res.status(200);
		    	  res.send( mav.model );
		      }
		      // 2-2. With View
		      else{
		        let contentDisposition = res._headers[ "content-disposition" ];

		        // 2-2-1. Render View
		        if( !contentDisposition ){
		        	// path.join returns "." when parameters are empty string
					if( mav.view != "." ){
						res.render( mav.view, mav.model );
					} else{
						res.send( mav.model );
					}
		        }
		        // 2-2-2. File Download
		        else{
		        	res.status(200);
		        	res.download( require("path").join(mav.model.savedPath, mav.model.savedFileName), mav.model.originalFileName );
		        }
		      }
		    } catch( err ){
		      console.log( "Error occured while res rendering : app.post" );
		      res.status(404);
		      next( err );
		    }
		  } )
		  .catch( function(err){
		    console.log( "Error catched in app.post method..." );
		    res.status(500);
		    next( err );
		  } );
		} );
	}





	// set error handler
	setter.setErrorHandler( app );
} )
.catch( function(err){
	logger.error( err );
	process.exit();
} );