From 0717c8ccd6ac10989d86593ff73a86a0c4398408 Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Thu, 29 Aug 2019 12:53:05 +0200
Subject: ups2019: nouveau parseur pour le format UPS2019

Signed-off-by: Alban Gruin <alban@pa1ch.fr>
---
 management/parsers/ups2019.py | 128 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 management/parsers/ups2019.py

diff --git a/management/parsers/ups2019.py b/management/parsers/ups2019.py
new file mode 100644
index 0000000..c7ab7c9
--- /dev/null
+++ b/management/parsers/ups2019.py
@@ -0,0 +1,128 @@
+#    Copyright (C) 2019  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 date, datetime, timedelta
+from html import unescape
+
+from django.utils import timezone
+
+import requests
+
+from ...models import Course, Group, Module, Room
+from ...utils import get_current_week, get_week
+from .abstractparser import AbstractParser
+from .ups2018 import GROUP_PREFIXES
+
+
+class Parser(AbstractParser):
+    def __get_name(self, raw_name):
+        return raw_name.split('[')[1][:-1]
+
+    def __get_event(self, event, year, week):
+        if event["allDay"]:
+            return
+
+        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 year is not None and week is not None:
+            event_year, event_week, _ = begin.isocalendar()
+            if event_year != year or event_week != week:
+                return
+
+        data = [unescape(st.strip())
+                for st in event["description"].split("<br />")]
+        groups = []
+        rooms = []
+
+        course = Course.objects.create(
+            source=self.source, begin=begin, end=end,
+            celcat_id=event["id"]
+        )
+
+        i = 0
+        if event.get("eventCategory") is not None and \
+           len(event.get("eventCategory", "")) > 0:
+            course.type = event["eventCategory"]
+            i = 1
+
+        if event.get("module", "") is not None and \
+           len(event.get("module", "")) > 0:
+            module, _ = Module.objects.get_or_create(name=event["module"])
+            course.module = module
+
+        if '[' in data[i]:
+            course.name = self.__get_name(data[i])
+            i += 1
+
+        while '[' in data[i]:
+            course.name += ", " + self.__get_name(data[i])
+            i += 1
+
+        while i < len(data) and not data[i].startswith(GROUP_PREFIXES):
+            rooms.append(data[i])
+            i += 1
+        course.rooms.add(*Room.objects.filter(name__in=rooms))
+
+        while i < len(data) and data[i].startswith(GROUP_PREFIXES):
+            groups.append(Group.objects.get_or_create(
+                source=self.source, celcat_name=data[i]
+            )[0])
+            i += 1
+        course.groups.add(*groups)
+
+        if i < len(data):
+            course.notes = "\n".join(data[i:]).strip()
+            if "other" in course.notes:
+                print("Warning: 'other' in course.notes")
+
+        return course
+
+    def get_events(self, today, year=None, week=None):
+        for event in self.events:
+            course = self.__get_event(event, year, week)
+            if course is not None:
+                yield course
+
+    def get_update_date(self):
+        return
+
+    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 get_source(self):
+        start = date.today()
+        end = start + timedelta(days=365)
+
+        req = requests.post(self.source.url,
+                            headers={"User-Agent": self.user_agent},
+                            data={"calView": "month",
+                                  "resType": 103,
+                                  "federationIds[]": self.source.metadata,
+                                  "start": start.strftime("%Y-%m-%d"),
+                                  "end": end.strftime("%Y-%m-%d")})
+        req.encoding = "uft8"
+        req.raise_for_status()
+
+        self.events = req.json()
+        return self.events
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