From c111b9348067f174770677d3038ffb7313cb58bf Mon Sep 17 00:00:00 2001
From: paulmart-n <hi@paulmartin.cloud>
Date: Mon, 20 Nov 2023 14:21:55 +0100
Subject: [PATCH] rapla-poc

---
 .gitignore           |  2 +-
 app.py               | 33 ++++++++++++++++++------
 fetchRAPLA.py        | 60 ++++++++++++++++++++++++++++++++++++++++++++
 static/style.css     |  4 +++
 templates/rapla.html | 22 ++++++++++++++++
 5 files changed, 113 insertions(+), 8 deletions(-)
 create mode 100644 fetchRAPLA.py
 create mode 100644 templates/rapla.html

diff --git a/.gitignore b/.gitignore
index 1fcf22c..7147a53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,4 @@ __pycache__/
 ENV/
 set/
 VIRTUAL_ENV/
-
+calendars/
\ No newline at end of file
diff --git a/app.py b/app.py
index 5a07c9f..6fdbd47 100644
--- a/app.py
+++ b/app.py
@@ -3,22 +3,41 @@ import os
 from flask import Flask
 from flask import render_template, url_for, send_from_directory, redirect, request, send_file
 from werkzeug.utils import secure_filename
-
-
+from fetchRAPLA import *
 
 app = Flask(__name__)
 
+
 @app.route("/")
 def index():
-  return render_template('index.html', headermessage = 'Header', message='DualHub')
+    return render_template('index.html', headermessage='Header', message='DualHub')
 
 
-@app.route ("/<string:msg>")
+@app.route("/<string:msg>")
 def make_msg(msg):
-  message = msg
-  return render_template('index.html', message="DualHub", headermessage=message)
+    message = msg
+    return render_template('index.html', message="DualHub", headermessage=message)
 
 
+@app.route("/rapla", methods=["GET", "POST"])
+def chooseRaplas():
+    r = getRaplas()
+    return render_template("rapla.html", raplas=r)
+
+
+@app.route("/plan")
+def getRapla():
+    file = str(request.values.get("file"))
+    url = str(request.values.get("url"))
+    if file != "None":
+        print(file)
+        return send_file("calendars/" + file)
+    elif url != "None":
+        file = getNewRapla(url)
+        if type(file) != int:
+            return send_file("calendars/" + file)
+    return render_template("index.html")
+
 
 if __name__ == "__main__":
-  app.run(host='0.0.0.0', port=2024, debug=True)
+    app.run(host='0.0.0.0', port=2024, debug=True)
diff --git a/fetchRAPLA.py b/fetchRAPLA.py
new file mode 100644
index 0000000..7cb0765
--- /dev/null
+++ b/fetchRAPLA.py
@@ -0,0 +1,60 @@
+import urllib.error
+from urllib.request import urlretrieve
+import icalendar
+import json
+
+
+def parseURL(url: str):
+    rapla = url.find("rapla.")
+    if rapla == -1:
+        return 0
+    elif len(url[:rapla]) == 4 or len(url[:rapla]) > 6:
+        url = url[rapla:]
+    http = url.find(":")
+    if url[:http] == "http":
+        url = "https" + url[http:]
+    elif http == -1:
+        url = "https://" + url
+    p = url.find("page=")
+    u = url.find("&")
+    if (url[p + 5:u]).lower() == "ical":
+        return url
+    elif p != -1:
+        return url[:p + 5] + "ical" + url[u:]
+    else:
+        return 0
+
+
+def getNewRapla(url: str):
+    url = parseURL(url)
+    if url == 0:
+        return 0
+    urlfile = url.find("file=")
+    kurs = url[urlfile + 5:].upper()
+
+    try:
+        urlretrieve(url, "calendars/rapla" + kurs + ".ical")
+    except urllib.error.URLError:
+        return -1
+
+    with open("calendars/rapla" + kurs + ".ical") as f:
+        calendar = icalendar.Calendar.from_ical(f.read())
+    # events = calendar.walk("VEVENT")
+    file = open("calendars/list.json", "r+")
+    jsoncal = json.load(file)
+    jsoncal.update({kurs: "rapla" + kurs + ".ical"})
+    file.close()
+    file = open("calendars/list.json", "w")
+    json.dump(jsoncal, file, indent=4)
+    return "rapla"+kurs+".ical"
+
+
+def getRaplas():
+    file = open("calendars/list.json", "r")
+    jsonf = json.load(file)
+    kursl = []
+    filel = []
+    for i in jsonf:
+        kursl += [i]
+        filel += [jsonf[i]]
+    return sorted(kursl), sorted(filel)
diff --git a/static/style.css b/static/style.css
index 954e2c1..ff5b461 100644
--- a/static/style.css
+++ b/static/style.css
@@ -9,6 +9,10 @@ body
     animation-iteration-count: infinite
 }
 
+input {
+    width: 500px
+}
+
 .cs
 {   
 
diff --git a/templates/rapla.html b/templates/rapla.html
new file mode 100644
index 0000000..cb646d6
--- /dev/null
+++ b/templates/rapla.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html lang="de">
+	<head>
+        <title> {{headermessage}} 👀</title>
+        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style.css') }}">
+        <script async src="https://analytics.paulmartin.cloud/script.js" data-website-id="1c02dacf-6952-4560-a303-0c25f432c48d"></script>
+      </head>
+    <body>
+    <h1>Verfügbare Raplas </h1>
+    {% block content %}
+        {%  for i in range (raplas[0]|length) %}
+            <h2> <a href={{ url_for("getRapla", file=raplas[1][i]) }}> {{ raplas [0] [i] }}</a> </h2>
+        {% endfor %}
+    {%  endblock %}
+    <h1>Eigenen Rapla hinzufügen</h1>
+    <form>
+        <label for="url">Rapla-URL eingeben, falls Du deinen Kurs nicht siehst:</label>
+        <input type="text" name="url" id="url">
+        <input type="submit" value="Importieren!" formaction={{ url_for("getRapla", new="True", url=url) }}>
+    </form>
+    </body>
+</html>