implemented class command

README.md

@@ -13,7 +13,13 @@ node app searchGakubu 基幹理工
 node app listGakubu
 
 # 2. Get Page ID(pid)s to get clas details
-node app fetchGakubu ???? > dest/g_????.txt
+node app fetchGakubu 111973 > dest/g_111973.txt
+
+# 3. Preview JSON output
+node app fetchClass 2600001002012017260000100226
+
+# 4. dump all data
+cat dest/g_111973.txt | node app fetchClass - > dest/o_111973.txt
 
 ```
 

app.js

@@ -1,4 +1,5 @@
 let gakubu = require('./lib/gakubu');
+let classes = require('./lib/class');
 
 if (process.argv[2] == "searchGakubu" && process.argv[3]) {
 	let list = gakubu.search(process.argv[3]);
@@ -21,7 +22,7 @@ if (process.argv[2] == "searchGakubu" && process.argv[3]) {
 	} else {
 		gidList = [process.argv[3]];
 	}
-	function loop() {
+	(function loop() {
 		let gid = gidList.shift();
 		process.stderr.write("fetching gakubu " + gid + "...\n");
 		if (!gakubu.getPageIDList(gid, function(data){
@@ -36,11 +37,52 @@ if (process.argv[2] == "searchGakubu" && process.argv[3]) {
 		})) {
 			process.stderr.write("error: " + gid + " not found\n");
 		}
+	})();
+} else if (process.argv[2] == "fetchClass" && process.argv[3]) {
+	let pidList = [];
+	let res = [];
+	let loop = function loop() {
+		let pid = pidList.shift();
+		process.stderr.write("fetching page " + pid + "...\n");
+		classes.fetch(pid, function(data){
+			if (data) {
+				res.push(data);
+				if (pidList.length) {
+					loop();
+				} else {
+					process.stdout.write(JSON.stringify(res));
+				}
+			} else {
+				process.stderr.write("error: some error occurs when fetching or parsing " + pid + "\n");
+			}
+		});
+	};
+	if (process.argv[3] == "-") {
+		process.stdin.resume();
+		let str = "", ind;
+		process.stdin.on('data', function(chunk) {
+			str += chunk;
+			if (ind = str.indexOf("\n") > -1) {
+				let line = str.splice(0, ind);
+				str.splice(0, 1);
+				pidList.push(line);
+			}
+		});
+		process.stdin.on('end', function() {
+			if (str) {
+				pidList.push(str);
+			}
+			loop();
+		});
+	} else {
+		pidList = [process.argv[3]];
+		loop();
 	}
-	loop();
 } else {
 	console.log("node app searchGakubu <keyword>");
 	console.log("node app listGakubu");
 	console.log("node app fetchGakubu <gid>");
 	console.log("node app fetchGakubu '*'");
+	console.log("node app fetchClass <pid>");
+	console.log("node app fetchClass -");
 }