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+# Copyright (C) 2018 Alban Gruin
+#
+# celcatsanitizer is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# celcatsanitizer is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with celcatsanitizer. If not, see <http://www.gnu.org/licenses/>.
+
+from datetime import datetime, timedelta
+
+import asyncio
+import calendar
+import json
+
+from django.utils import timezone
+
+import lxml.html
+import requests
+
+from ...models import Course, Group, Room
+from ...utils import get_current_week, get_week
+from .abstractparser import AbstractParser
+
+VARNAME = "v.events.list = "
+
+
+def find_events_list(soup):
+ res = []
+ for script in soup.xpath("//script/text()"):
+ if VARNAME in script:
+ for var in script.split('\n'):
+ if var.startswith(VARNAME):
+ res = json.loads(var[len(VARNAME):-2])
+
+ return res
+
+
+def get_next_month(dt):
+ n = dt.replace(day=1) + timedelta(days=32)
+ return n.replace(day=1)
+
+
+class Parser(AbstractParser):
+ def __init__(self, source):
+ super(Parser, self).__init__(source)
+
+ # En-tête tiré de mon Firefox…
+ base_req = self._make_request(
+ source.url, headers={"Accept-Language": "en-US,en;q=0.5"}
+ )
+
+ parser = lxml.html.HTMLParser(encoding="utf-8")
+ self.soup = lxml.html.document_fromstring(
+ base_req.content, parser=parser
+ )
+
+ self.months = []
+ for option in self.soup.xpath("//option"):
+ if option.get("selected") is not None or len(self.months) > 0:
+ self.months.append(option.text)
+
+ def __get_event(self, event, today,
+ beginning_of_month, end_of_month,
+ year, week):
+ begin = timezone.make_aware(
+ datetime.strptime(event["start"], "%Y-%m-%dT%H:%M:%S")
+ )
+ end = timezone.make_aware(
+ datetime.strptime(event["end"], "%Y-%m-%dT%H:%M:%S")
+ )
+
+ if begin < beginning_of_month or begin >= end_of_month or \
+ (today is not None and begin < today):
+ return
+
+ if year is not None and week is not None:
+ event_year, event_week, _ = begin.isocalendar()
+ if event_year != year or event_week != week:
+ return
+
+ course = Course.objects.create(
+ source=self.source, begin=begin, end=end
+ )
+
+ data = event["text"].split("<br>")
+ rooms = None
+ if data[0] == "Global Event":
+ return
+
+ i = 1
+ while i < len(data) and not data[i].startswith(
+ ("L1 ", "L2 ", "L3 ", "L3P ", "M1 ", "M2 ", "DEUST ", "MAG1 ",
+ "1ERE ANNEE ", "2EME ANNEE ", "3EME ANNEE ",
+ "MAT-Agreg Interne ")
+ ):
+ i += 1
+
+ groups = data[i]
+ if i - 1 > 0:
+ course.name = ", ".join(set(data[i - 1].split(';')))
+ else:
+ course.name = "Sans nom"
+ if i - 2 > 0:
+ course.type = data[i - 2]
+ if len(data) >= i + 2:
+ rooms = data[i + 1]
+ if len(data) >= i + 3:
+ course.notes = data[i + 2]
+
+ groups = [
+ Group.objects.get_or_create(
+ source=self.source, celcat_name=name
+ )[0]
+ for name in groups.split(';')
+ ]
+ course.groups.add(*groups)
+
+ if rooms is not None:
+ rooms_objs = Room.objects.filter(name__in=rooms.split(';'))
+ if rooms_objs.count() > 0:
+ course.rooms.add(*rooms_objs)
+ elif course.notes:
+ course.notes = "{0}\n{1}".format(rooms, course.notes)
+ else:
+ course.notes = rooms
+
+ if course.notes is not None:
+ course.notes = course.notes.strip()
+
+ return course
+
+ def get_events(self, today, year=None, week=None):
+ for i, month in enumerate(self.events):
+ beginning_of_month = timezone.make_aware(
+ datetime.strptime(self.months[i], "%B, %Y")
+ )
+ end_of_month = get_next_month(beginning_of_month)
+
+ for event in month:
+ course = self.__get_event(event, today,
+ beginning_of_month, end_of_month,
+ year, week)
+ if course is not None:
+ yield course
+
+ def get_update_date(self):
+ return None # Pas de date de mise à jour dans ce format
+
+ def get_weeks(self):
+ # FIXME: détection automatique à partir des événements présents
+ beginning, _ = get_week(*get_current_week())
+ self.weeks = {"1": beginning}
+
+ return self.weeks
+
+ def ajax_req(self, month):
+ month = datetime.strptime(month, "%B, %Y")
+ first_monday = min(
+ week[calendar.MONDAY]
+ for week in calendar.monthcalendar(month.year, month.month)
+ if week[calendar.MONDAY] > 0
+ )
+ month_str = month.replace(day=first_monday).strftime("%Y%m%d")
+
+ req = self._make_request(
+ self.source.url,
+ headers={
+ "Accept-Language": "en-US,en;q=0.5",
+ },
+ params={"Date": month_str},
+ )
+ req.raise_for_status()
+
+ parser = lxml.html.HTMLParser(encoding="utf8")
+ soup = lxml.html.document_fromstring(req.content, parser=parser)
+
+ return find_events_list(soup)
+
+ @asyncio.coroutine
+ def get_months_async(self):
+ loop = asyncio.get_event_loop()
+ futures = []
+
+ for month in self.months[1:]:
+ futures.append(loop.run_in_executor(None, self.ajax_req, month))
+
+ responses = yield from asyncio.gather(*futures)
+ return responses
+
+ def get_source_from_months(self, async=True):
+ events = []
+
+ if async:
+ loop = asyncio.get_event_loop()
+ events = loop.run_until_complete(self.get_months_async())
+ else:
+ for month in self.months[1:]:
+ events.append(self.ajax_req(month))
+
+ return events
+
+ def get_source(self):
+ self.events = [
+ find_events_list(self.soup)
+ ] + self.get_source_from_months()
+ return self.events