InitialHEADmaster

6 files changed, 245 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..2d73436
--- /dev/null
+++ b/README.txt
@@ -0,0 +1 @@
+An ad-hoc filter for http://www.cs.uu.nl/education.
diff --git a/TA_possibilities_3.sh b/TA_possibilities_3.sh
new file mode 100755
index 0000000..1a108df
--- /dev/null
+++ b/TA_possibilities_3.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+./filter.js 'period == 3 && slot != "C" && slot != "D" && year != "m"'
diff --git a/filter.js b/filter.js
new file mode 100755
index 0000000..5ad75d5
--- /dev/null
+++ b/filter.js
@@ -0,0 +1,45 @@
+#!/usr/bin/env node
+const cheerio = require("cheerio");
+const fetch = require("node-fetch");
+
+let query;
+if (process.argv.length == 2) {
+	query = function(obj) {return true;};
+} else if (process.argv.length == 3) {
+	const s = process.argv[2];
+	query = function(obj) {with (obj) return eval(s);};
+} else {
+	console.log("Usage: ./filter.js 'period == 4 && slot[0] != \"D\"'");
+	process.exit(1);
+}
+
+function parseRow(row) {
+	if (row.length != 6) return null;
+	return {
+		period: row[0],
+		slot: row[1],
+		code: row[2],
+		year: row[3],
+		ects: row[4],
+		name: row[5],
+	};
+}
+
+function handle(html) {
+	const $ = cheerio.load(html);
+	let trs = [];
+	$("tbody").last().children("tr").each((_, e) =>
+		trs.push($(e).children("td").map((_, td) => $(td).text()).get())
+	);
+
+	trs = trs.map(r => parseRow(r)).filter(obj => obj != null);
+
+	trs.forEach(obj => {
+		if (query(obj)) console.log(JSON.stringify(obj));
+	});
+}
+
+fetch("http://www.cs.uu.nl/education/")
+	.then(res => res.text())
+	.then(body => handle(body))
+	.catch(err => console.error(err));
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..277f3fc
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,181 @@
+{
+  "name": "education-filter",
+  "version": "0.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+        "htmlparser2": "^3.9.1",
+        "lodash": "^4.15.0",
+        "parse5": "^3.0.1"
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+    "core-util-is": {
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+      "requires": {
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+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..0dec718
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "education-filter",
+  "version": "0.1.0",
+  "description": "",
+  "main": "filter.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Tom Smeding <tom.smeding@gmail.com> (https://tomsmeding.com)",
+  "license": "MIT",
+  "dependencies": {
+    "cheerio": "^1.0.0-rc.2",
+    "node-fetch": "^2.2.0"
+  }
+}