Timeout-Check + MERGE-Prep
This commit is contained in:
@ -3,8 +3,19 @@ import datetime
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import recurring_ical_events
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from fetchMENSA import getMeals
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shortnames = ["mon", "tue", "wed", "thu", "fri", "sat"]
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longnames = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"]
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def getWeek(weekstart: datetime, file: str, showsat: bool):
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"""
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Liefert alle Events einer Woche zurück.
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Wochenstart wird automatisch auf den Montag der Woche gelegt.
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:param weekstart:
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:param file:
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:param showsat:
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:return:
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"""
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if weekstart == "today":
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start_date = datetime.date.today()
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else:
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@ -42,11 +53,13 @@ def getWeek(weekstart: datetime, file: str, showsat: bool):
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return eventl, daylist(start_date, showsat)
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shortnames = ["mon", "tue", "wed", "thu", "fri", "sat"]
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longnames = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"]
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def daylist(weekstart: datetime, showsat: bool):
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"""
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Gibt die Essen einer Woche zurück.
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:param weekstart:
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:param showsat:
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:return:
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"""
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weekday = weekstart
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dayl = []
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if showsat:
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@ -2,6 +2,8 @@ import requests
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import urllib.parse
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import time
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from bs4 import BeautifulSoup
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from flask import redirect, url_for
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from init import Dualis
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headers = {
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'Cookie': 'cnsc=0',
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@ -15,6 +17,12 @@ url = "https://dualis.dhbw.de/scripts/mgrqispi.dll"
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def checkUser(email: str, password: str):
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"""
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Erhält von Dualis den Token und Cookie für User.
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:param email:
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:param password:
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:return (Token, Session):
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"""
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s = requests.Session()
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fpw = urllib.parse.quote(password, safe='', encoding=None, errors=None)
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fmail = urllib.parse.quote(email, safe='', encoding=None, errors=None)
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@ -33,6 +41,13 @@ def checkUser(email: str, password: str):
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def getKurs(token: int, cookie: str):
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"""
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Bestimmt aus der ersten Prüfung den Kursbezeichner des Users.
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TODO: Umstellen auf Bezeichner INKL. Standort
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:param token:
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:param cookie:
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:return Kurs-Bezeichner:
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"""
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try:
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headers["Cookie"] = "cnsc=" + cookie
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token = str(token)
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@ -47,18 +62,29 @@ def getKurs(token: int, cookie: str):
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start = content.find(" ") + 4
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end = start + (content[start:].find(" "))
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kurs = content[start:end]
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except:
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except AttributeError:
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kurs = 0
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return kurs
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def logOut(token: int, cookie: str):
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"""
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Invalidiert Token und Cookie bei Dualis.
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:param token:
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:param cookie:
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"""
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headers["Cookie"] = "cnsc=" + cookie
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requests.request("GET", url + "?APPNAME=CampusNet&PRGNAME=LOGOUT&ARGUMENTS=-N" + str(token)
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+ ", -N001", headers=headers, data={})
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def getSem(token: int, cookie: str):
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"""
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Liefert die Liste aller auf Dualis verfügbaren Semester.
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:param token:
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:param cookie:
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:return Liste [[Semester, Semester-ID], ...]:
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"""
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headers["Cookie"] = "cnsc=" + cookie
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token = str(token)
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response = requests.request("GET", url +
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@ -76,6 +102,13 @@ def getSem(token: int, cookie: str):
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def getResults(token, cookie: str, resl: str):
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"""
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Liefert die Liste aller Prüfungsergebnisse eines Semesters.
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:param token:
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:param cookie:
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:param resl:
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:return [[Name, Note, Credits], ...]:
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"""
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headers["Cookie"] = "cnsc=" + cookie
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response = requests.request("GET", url + "?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS=-N" + token +
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",-N000307," + ",-N" + resl, headers=headers, data={})
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@ -95,6 +128,12 @@ def getResults(token, cookie: str, resl: str):
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def getPruefung(url):
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"""
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Ermittelt Noten "geschachtelter" Prüfungen, die nicht auf der Hauptseite angezeigt werden.
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TODO: Namen der spezifischen Prüfungen auch zurückgeben, um Zusammensetzung zu spezifizieren.
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:param url:
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:return:
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"""
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response = requests.request("GET", "https://dualis.dhbw.de" + url, headers=headers, data={})
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html = BeautifulSoup(response.content.decode("utf-8"), 'lxml')
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table = html.find('table')
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@ -111,7 +150,30 @@ def getPruefung(url):
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def checkLifetime(timecode: float):
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"""
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Dualis-Token laufen nach 30 Minuten ab.
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True, wenn Token noch gültig ist.
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False wenn ungültig.
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:param timecode:
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:return:
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"""
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if time.time() - timecode > 1800:
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return False
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else:
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return True
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def timeOut(dualis: Dualis, cookie: str, origin: str):
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"""
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Checkt, ob Token und Cookie noch valide/vorhanden sind.
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False, falls alles richtig ist.
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Weiterleitung zum Login, falls nicht.
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:param dualis:
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:param cookie:
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:param origin:
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:return:
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"""
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if not checkLifetime(dualis.token_created) or not cookie:
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return redirect(url_for("login", next=url_for(origin), code=10))
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else:
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return False
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@ -8,6 +8,13 @@ nomeal = 'Essen nicht (mehr) verfügbar'
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def getMeals(day: datetime):
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"""
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Liefert alle Mahlzeiten eines Tages. \n
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Befinden sie sich schon in der Datenbank, werden diese zurückgegeben. \n
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Wenn nicht, wird getMealsFromAPI() aufgerufen. \n
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:param day:
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:return [Name1, Name2, ...]:
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"""
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day = formatDay(day)
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essen = []
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query = Meals.query.filter_by(date=day).all()
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@ -20,6 +27,14 @@ def getMeals(day: datetime):
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def getMealsFromAPI(day: str, dbentry: bool = False):
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"""
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Fragt die Mensa-API nach den Mahlzeiten eines Tages ab. \n
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Wenn dbentry: Schreibt die Ergebnisse in die Datenbank. \n
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TODO: Andere Mensen berücksichtigen.
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:param day:
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:param dbentry:
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:return [Name1, Name2, ...]:
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"""
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url = "https://dh-api.paulmartin.cloud/plans/" + day + "?canteens=erzberger"
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response = requests.request("GET", url)
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response = response.content
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@ -64,6 +79,11 @@ def getMealsFromAPI(day: str, dbentry: bool = False):
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def pricetofloat(price: str):
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"""
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Konvertiert den Preis-String der Mensa-API zu einem Python-Float.
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:param price:
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:return float:
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"""
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price = price[:-2]
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price = price.replace(",", ".")
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try:
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@ -73,6 +93,12 @@ def pricetofloat(price: str):
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def formatDay(day: datetime):
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"""
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Füllt ein Datum mit Nullen auf. \n
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"2023-1-1" → "2023-01-01".
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:param day:
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:return str:
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"""
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if day.day < 10:
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tag = "0" + str(day.day)
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else:
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@ -83,6 +109,10 @@ def formatDay(day: datetime):
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@scheduler.task('cron', id="refreshMeals", hour='8-11', day_of_week='*', minute='15', week='*', second='30')
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def refreshMeals():
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"""
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Aktualisiert immer vormittags alle Mahlzeiten in der Datenbank. \n
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Datenbankeinträge werden ersetzt, wenn die API andere Mahlzeiten liefert.
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"""
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print("Aktualisiere Essenspläne...\n")
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with scheduler.app.app_context():
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table = Meals.query.all()
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@ -7,6 +7,13 @@ from init import scheduler
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def parseURL(url: str):
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"""
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Konvertiert URLs ins korrekte Format. \n
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Konvertiert werden: http, www.; page=calendar \n
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In: https; page=ical
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:param url:
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:return str:
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"""
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rapla = url.find("rapla.")
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if rapla == -1:
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return 0
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@ -28,6 +35,13 @@ def parseURL(url: str):
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def getNewRapla(url: str):
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"""
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Speichert den iCal eines Raplas auf dem Server. \n
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Gibt Namen der Datei zurück. \n
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TODO: Standort zu Dateibezeichner hinzufügen, um Konflikte zu vermeiden.
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:param url:
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:return str:
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"""
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url = parseURL(url)
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if url == 0:
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return 0
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@ -49,6 +63,11 @@ def getNewRapla(url: str):
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def getIcal(kurs: str):
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"""
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Liefert den Namen der Datei des mitgegebenen Kurses.
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:param kurs:
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:return str:
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"""
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file = open("calendars/list.json", "r")
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jf = json.load(file)
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try:
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@ -58,6 +77,10 @@ def getIcal(kurs: str):
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def getRaplas():
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"""
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Liefert alle auf dem Server gespeicherten Raplas.
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:return (Kursliste, Dateiliste, URL-Liste):
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"""
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file = open("calendars/list.json", "r")
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jsonf = json.load(file)
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kursl = []
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@ -72,6 +95,9 @@ def getRaplas():
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@scheduler.task("interval", id="refreshRapla", minutes=30)
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def refreshRapla():
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"""
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Aktualisiert alle 30 Minuten alle gespeicherten Raplas.
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"""
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filel = getRaplas()[1]
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urll = getRaplas()[2]
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for i in range(len(filel)):
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@ -2,6 +2,10 @@ import getpass
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def get_mysql():
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"""
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Extrahiert die MySQL-Anmeldedaten aus ~/.my.cnf . \n
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Funktioniert wahrscheinlich nur auf Linux, vor allem für den Server gedacht.
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"""
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u = getpass.getuser()
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f = open("/home/"+u+"/.my.cnf", "r")
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i = f.read()
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@ -1,4 +1,5 @@
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#!/bin/sh
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#Erstellt alle benötigten MySQL-Tabellen.
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mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE user ( id int NOT NULL, email VARCHAR(255), password VARCHAR(255), name VARCHAR(255), kurs VARCHAR (15), PRIMARY KEY (ID), UNIQUE (ID, EMAIL) );"
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mysql -e "USE paulmrtn_DUALHUB; CREATE TABLE dualis ( uid int NOT NULL, token VARCHAR(255), result_list VARCHAR(15), token_created INT, PRIMARY KEY (uid));"
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13
init.py
13
init.py
@ -8,6 +8,10 @@ from flask_apscheduler import APScheduler
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def create():
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"""
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Erstellt die Flask-App inkl. Datenbank und Login-Manager.
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:return app:
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"""
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app = Flask(__name__)
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dbpw = get_mysql()[1]
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dbun = get_mysql()[0]
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@ -34,6 +38,9 @@ db = SQLAlchemy()
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class User(UserMixin, db.Model):
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"""
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Datenbank-Modell für User.
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"""
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id = db.Column(db.Integer, primary_key=True)
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email = db.Column(db.String(255), unique=True)
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password = db.Column(db.String(255))
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@ -42,6 +49,9 @@ class User(UserMixin, db.Model):
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class Dualis(db.Model):
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"""
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Datenbank-Modell für Dualis.
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"""
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token = db.Column(db.String(255), unique=True)
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uid = db.Column(db.Integer, primary_key=True)
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token_created = db.Column(db.Integer)
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@ -49,6 +59,9 @@ class Dualis(db.Model):
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class Meals(db.Model):
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"""
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Datenbank-Modell für Meals.
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"""
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id = db.Column(db.Integer, primary_key=True)
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date = db.Column(db.Date)
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name = db.Column(db.String(100))
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@ -1,8 +1,10 @@
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def getCookie (cookies):
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def getCookie(cookies):
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"""
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Liefert (letzten) Cookie der Cookies-Liste zurück.
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:param cookies:
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:return:
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"""
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cookie = 0
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for c in cookies:
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cookie = c.value
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return cookie
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return cookie
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92
routing.py
92
routing.py
@ -18,12 +18,20 @@ from init import *
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@app.route("/")
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def index():
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"""
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Leitet den normalen Website-Aufruf zum Login weiter.
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:return HTML:
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"""
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return redirect(url_for("login"))
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@app.route("/welcome")
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@login_required
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def welcome():
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"""
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Interim Homepage
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:return HTML:
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"""
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kurs = current_user.kurs
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name = current_user.name
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return render_template('index.html', headermessage='DualHub', message="Hallo, "
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@ -33,17 +41,29 @@ def welcome():
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@app.route("/backendpoc/noten")
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@login_required
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def displayNoten():
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"""
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Zeigt die Noten aus Dualis an. Hierfür ist ein aktives Token nötig.
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:return HTML:
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"""
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d = Dualis.query.filter_by(uid=current_user.id).first()
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t = d.token
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sem = d.result_list
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c = request.cookies.get("cnsc")
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timeout = fetchDUALIS.timeOut(d, c, "displayNoten")
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if timeout:
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return timeout
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res = fetchDUALIS.getResults(t, c, sem)
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return render_template("noten.html", noten=res, semester=fetchDUALIS.getSem(t, c))
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return render_template("noten.html", noten=res, semester=fetchDUALIS.getSem(t, c), sel=sem)
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@app.route("/backendpoc/plan", methods=["GET"])
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@login_required
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def displayRapla():
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"""
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Zeigt den Stundenplan für eingeloggte User an. \n
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TODO: Persönliche Filter, Notizen, Essensvorlieben etc. berücksichtigen.
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:return HTML:
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"""
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week = request.args.get("week")
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if week:
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week = datetime.datetime.strptime(week, "%Y-%m-%d")
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@ -58,6 +78,12 @@ def displayRapla():
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@app.route("/backendpoc/plan/<string:kurs>")
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def displayPlan(kurs):
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"""
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Zeigt den Stundenplan ohne Login an. \n
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Präferenzen werden nicht berücksichtigt.
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:param kurs:
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:return HTML:
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"""
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week = request.args.get("week")
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if week:
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week = datetime.datetime.strptime(week, "%Y-%m-%d")
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@ -81,17 +107,29 @@ def displayPlan(kurs):
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@app.route("/backendpoc/set-up")
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def redKurs():
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"""
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Setup beginnt mit Kurs.
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:return HTML:
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"""
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return redirect(url_for("getKurs"))
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@app.route("/backendpoc/set-up/kurs")
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@login_required
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def getKurs():
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"""
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Automatische Kurs-Auswahl. \n
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Aktives Dualis-Token benötigt.
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:return HTML:
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"""
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d = Dualis.query.filter_by(uid=current_user.id).first()
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if d:
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cookie = request.cookies.get("cnsc")
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timeout = fetchDUALIS.timeOut(d, cookie, "getKurs")
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if timeout:
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return timeout
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e = False
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if not current_user.kurs:
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cookie = request.cookies.get("cnsc")
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kurs = fetchDUALIS.getKurs(d.token, cookie)
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if kurs != 0:
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current_user.kurs = kurs
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@ -111,6 +149,10 @@ def getKurs():
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@app.route("/backendpoc/set-up/semester")
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@login_required
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def getSemester():
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"""
|
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Manuelle Semester-Auswahl.
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:return HTML:
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"""
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t = Dualis.query.filter_by(uid=current_user.id).first().token
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c = request.cookies.get("cnsc")
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@ -120,6 +162,10 @@ def getSemester():
|
||||
@app.route("/backendpoc/set-up/semester", methods=["POST"])
|
||||
@login_required
|
||||
def setSemester():
|
||||
"""
|
||||
Speichern der Semester-Auswahl.
|
||||
:return HTML:
|
||||
"""
|
||||
n = request.args.get("next")
|
||||
if not n:
|
||||
n = url_for("welcome")
|
||||
@ -132,13 +178,21 @@ def setSemester():
|
||||
@app.route("/backendpoc/set-up/rapla")
|
||||
@login_required
|
||||
def chooseRaplas():
|
||||
"""
|
||||
Manuelle Rapla-Auswahl.
|
||||
:return HTML:
|
||||
"""
|
||||
r = getRaplas()
|
||||
return render_template("rapla.html", raplas=r)
|
||||
|
||||
|
||||
@login_required
|
||||
@app.route("/backendpoc/set-up/rapla", methods=["POST"])
|
||||
@login_required
|
||||
def getRapla():
|
||||
"""
|
||||
Verarbeitet die Eingabe von chooseRaplas().
|
||||
:return HTML:
|
||||
"""
|
||||
file = str(request.form.get("file"))
|
||||
url = str(request.form.get("url"))
|
||||
if file == url == "None":
|
||||
@ -157,14 +211,22 @@ def getRapla():
|
||||
|
||||
|
||||
@app.route("/backendpoc/log-in")
|
||||
def login(code: int = None):
|
||||
if code:
|
||||
print(code)
|
||||
def login():
|
||||
"""
|
||||
Login-Maske.
|
||||
:return HTML:
|
||||
"""
|
||||
return render_template("login.html")
|
||||
|
||||
|
||||
@app.route("/backendpoc/log-in", methods=["POST"])
|
||||
def login_post():
|
||||
"""
|
||||
Verarbeitet die Eingabe von login(). \n
|
||||
Falls der User schon angelegt ist, wird das Passwort verglichen. \n
|
||||
Falls nicht, wird ein neuer angelegt.
|
||||
:return HTML:
|
||||
"""
|
||||
email = request.form.get("email")
|
||||
password = request.form.get("password")
|
||||
n = request.args.get("next")
|
||||
@ -178,7 +240,8 @@ def login_post():
|
||||
if user:
|
||||
dualis = Dualis.query.filter_by(uid=user.id).first()
|
||||
if check_password_hash(user.password, password):
|
||||
if not dualis.token or not fetchDUALIS.checkLifetime(dualis.token_created):
|
||||
cookie = request.cookies.get("cnsc")
|
||||
if not dualis.token or not fetchDUALIS.checkLifetime(dualis.token_created) or not cookie:
|
||||
new_token = fetchDUALIS.checkUser(email, password)
|
||||
dualis.token = new_token[0]
|
||||
newcookie = requesthelpers.getCookie(new_token[1].cookies)
|
||||
@ -227,13 +290,17 @@ def login_post():
|
||||
@app.route("/backendpoc/log-out")
|
||||
@login_required
|
||||
def logout():
|
||||
"""
|
||||
Loggt den User aus.
|
||||
:return Empty Token:
|
||||
"""
|
||||
cookie = request.cookies.get("cnsc")
|
||||
dualis = Dualis.query.filter_by(uid=current_user.id).first()
|
||||
fetchDUALIS.logOut(dualis.token, cookie)
|
||||
dualis.token = None
|
||||
db.session.commit()
|
||||
logout_user()
|
||||
red = make_response(redirect(url_for("login", code=1)))
|
||||
red = make_response(redirect(url_for("login", code=1, next=url_for("welcome"))))
|
||||
red.set_cookie("cnsc", value="Logged out! Your temporary token "
|
||||
"on our server and the cookie on your device have been deleted.", httponly=True,
|
||||
secure=True)
|
||||
@ -242,6 +309,12 @@ def logout():
|
||||
|
||||
@app.route("/backendpoc/error<int:ecode>")
|
||||
def error(ecode):
|
||||
"""
|
||||
Error Page für custom-Errors. \n
|
||||
TODO: Funktion depreciaten. Ersetzen durch Errors auf den entsprechenden Seiten.
|
||||
:param ecode:
|
||||
:return:
|
||||
"""
|
||||
if ecode == 900:
|
||||
msg = "Ungültige RAPLA-URL! Sicher, dass der Link zum DHBW-Rapla führt?"
|
||||
elif ecode == 899:
|
||||
@ -253,6 +326,9 @@ def error(ecode):
|
||||
|
||||
@app.errorhandler(HTTPException)
|
||||
def handle(e):
|
||||
""""
|
||||
HTTP-Exception-Handler
|
||||
"""
|
||||
return render_template('index.html', message=e, headermessage="DualHub")
|
||||
|
||||
|
||||
|
||||
@ -13,9 +13,8 @@
|
||||
<form method="post" action={{ url_for ("setSemester", next=url_for("displayNoten")) }}>
|
||||
<label for="sem">Semester wählen! </label>
|
||||
<select name="sem" id="sem">
|
||||
<option value = "none" selected disabled hidden></option>
|
||||
{% for i in range (semester|length) %}
|
||||
<option value= {{ semester [i] [1] }}>{{ semester [i] [0] }} </option>
|
||||
<option value= {{ semester [i] [1] }} {% if semester[i][1]==sel %} selected {% endif %}>{{ semester [i] [0] }} </option>
|
||||
{% endfor %}
|
||||
</select>
|
||||
<input type="submit" value="Semester setzen!">
|
||||
|
||||
@ -3,7 +3,7 @@
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<title>Vorlesungsplan</title>
|
||||
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='cal.css') }}">
|
||||
<link rel<="s>tylesheet" type="text/css" href="{{ url_for('static', filename='cal.css') }}">
|
||||
</head>
|
||||
<body>
|
||||
<div class="calendar">
|
||||
|
||||
Reference in New Issue
Block a user