diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | README.txt | 1 | ||||
| -rwxr-xr-x | TA_possibilities_3.sh | 2 | ||||
| -rwxr-xr-x | filter.js | 45 | ||||
| -rw-r--r-- | package-lock.json | 181 | ||||
| -rw-r--r-- | package.json | 15 |
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", + 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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" + } +} |