13512047 - Fahmi Dumadi

README.md

@@ -1,27 +1,22 @@
 # README for Service Adapter Assignment on IF4050 2015
 
-##Instruction
-1. Fork this repository https://github.com/if-itb/if4050-2015-ServiceAdapter.git
-2. Work on your fork --> commit --> push [as many as you want]
-3. [When you are done OR the deadline] create pull request  
+##Personal Data:
+ * NIM      = 13512047
+ * Name     = Fahmi Dumadi
+ * GithubID = fahmidumadi
 
-Each participnats should indicate clearly the following data:
- * NIM      = 1[35|82]+XXYYY
- * Name     = XXXXXXX
- * GithubID = YYYY
-
-Requreiments:
- * ....
- * ....
- * 
-
-How to Deploy
- 1. .....
- 2. .....
- 3. .....
- 4. 
+##Requirements:
+ * Node JS 4.0.0
 
-How to Run
- 1. .....
- 2. .....
+##How to Deploy
+ 1. install dependencies using "npm install" command
+ 2. run adapter.js with command "node adapter.js"
+ 3. access through localhost:3000
 
+##How to Run
+ 1. The required parameter are
+  * 'ps': major code
+  * 'kode': course code
+  * 'kelas': class number
+ 2. Example of a full request: localhost:3000/?ps=101&kode=MA1101&kelas=01
+ 3. The response from this adapter is JSON containing information with status code

adapter.js

@@ -0,0 +1,92 @@
+var request = require("request"),
+	cheerio = require("cheerio"),
+	express = require("express"),	
+	app = express();
+
+app.get('/', function(req,resp){
+	var prodi = req.query.ps,
+		kode_kuliah = req.query.kode,
+		kelas = req.query.kelas,
+		url = "https://six.akademik.itb.ac.id/publik/daftarkelas.php?ps="+prodi+"&semester=1&tahun=2015&th_kur=2013";
+	//function getResponse(callback){
+		if( prodi != null && kode_kuliah != null && kelas != null){
+			request(url, function (error, response, body) {
+				if (!error) {
+					var $ = cheerio.load(body),
+						getURL = $('li:contains("'+kode_kuliah+'")').find('li:contains("'+kelas+'")').find('a').attr('href');
+						newURL = 'https://six.akademik.itb.ac.id/publik/' + getURL;
+
+					request(newURL, function (error, response, body) {
+						if (!error) {
+							if(getURL == null){
+								var json = {};
+								json.error = "Tidak ditemukan kelas dengan kode "+kode_kuliah;
+								console.log("Status Code: 404");
+								resp.status(404).send(json);
+								//callback(json);
+							}else{
+								var $ = cheerio.load(body),
+									data = $('pre').text().split('\n'),
+									json = {};
+									json.fakultas = data[0];
+									json.prodi = data[1].substr(17);
+									json.semester = data[2].substr(12,1);
+						    		json.tahun = "20" + data[2].substr(14);
+						    		json.kode = data[4].substr(19,6);
+
+						    		var mata_kuliah = data[4].substr(28).split(',');
+						    		json.mata_kuliah = mata_kuliah[0];
+						    		json.sks = mata_kuliah[1].substr(1,1);
+
+						    		json.kelas = data[5].substr(19,2);
+						    		json.dosen = data[5].substr(24);
+						    		json.jumlah_peserta = data[data.length-2].substr(16);
+
+									var peserta_kelas = [];
+									for(i = 0; i < json.jumlah_peserta; i++){
+										jsonPK = {};
+										jsonPK.nim = data[10+i].substr(4,8);
+										jsonPK.nama = data[10+i].substr(15);
+										peserta_kelas.push(jsonPK);
+									}
+									json.peserta = peserta_kelas;
+									console.log("Status Code: 200");
+									resp.status(200).send(json);
+									//callback(json);
+								}
+						} else {
+							var json = {};
+							json.error = "Terjadi kesalahan pada server";
+							console.log("Status Code: 500");
+							resp.status(500).send(json);
+							//callback(json);
+						}
+					});
+
+				} else {
+					var json = {};
+					json.error = "Terjadi kesalahan pada server";
+					console.log("Status Code: 500");
+					resp.status(500).send(json);
+					//callback(json);
+				}
+			});
+		}
+		else{
+			var json = {};
+			json.error = "Request tidak sesuai format";
+			console.log("Status Code: 400");
+			resp.status(400).send(json);
+			//callback(json);
+		}
+	//}
+	/*getResponse(function (hasil){
+		resp.send(hasil);
+	});*/
+});
+
+var server = app.listen(3000, function(){
+	var host = server.address().address;
+	var port = server.address().port;
+	console.log("listening on port: " + port);
+});