from django.shortcuts import render from .models import Seminar,Teaching_course from django.utils import timezone as timezoneDjango from django.views import generic from icalendar import Calendar, Event from icalendar import vCalAddress, vText import qrcode import pytz from datetime import datetime,timezone,timedelta import html from search_views.search import SearchListView from search_views.filters import BaseFilter from .forms import SeminarSearchForm from nanotud.add_global_context import ContextMixin class SeminarFilter(BaseFilter): search_fields = { 'search_text' : ['title','speaker_name','speaker_affiliation'] } class SeminarSearchListView(ContextMixin, SearchListView): model = Seminar context_object_name = 'seminar_list' queryset = Seminar.objects.filter(showPublic=True).order_by('-start_time') template_name = 'seminar_search.html' paginate_by = 30 filter_class = SeminarFilter form_class = SeminarSearchForm def get_context_data(self, **kwargs): min_diff = timedelta(days=10000) now = timezoneDjango.now() context = super(SeminarSearchListView,self).get_context_data(**kwargs) seminar_l=context['seminar_list'] seminar_next = None for seminar in seminar_l: if seminar.start_time >= now: seminar.status = 'upcoming' diff = seminar.start_time - now # the seminar is in the future and this seminar starts sooner than the current next seminar if diff.total_seconds() > 3600 and diff < min_diff: seminar_next = seminar min_diff = diff else: seminar.status = 'past' context['seminar_next']=seminar_next return context class SeminarALLListView(SearchListView): model = Seminar context_object_name = 'seminar_list' queryset = Seminar.objects.filter(showPublic=True).order_by('-start_time') template_name = 'seminar_search.html' paginate_by = 100000 filter_class = SeminarFilter form_class = SeminarSearchForm def create_ics(self,pk): file_name_ics = '/var/www/nanotud/uploads/seminar/ics/' + str(pk) + '.ics' file_name_ics_download = '/uploads/seminar/ics/' + str(pk) + '.ics' cal = Calendar() event = Event() event.add('summary', 'nanoSEMINAR - '+self.speaker_name+' - '+self.title) event.add('dtstart', datetime(self.start_time.year,self.start_time.month,self.start_time.day,self.start_time.hour,self.start_time.minute,0,tzinfo=timezone.utc)) event.add('dtend', datetime(self.start_time.year,self.start_time.month,self.start_time.day,self.start_time.hour+1,self.start_time.minute,0,tzinfo=timezone.utc)) # event.add('dtstamp', datetime(self.start_time.year,self.start_time.month,self.start_time.day,self.start_time.hour,self.start_time.minute,0,tzinfo=pytz.timezone('Europe/Berlin'))) organizer = vCalAddress('MAILTO:'+str(self.organisator_email)) organizer.params['cn'] = vText(self.organisator_name) event['organizer'] = organizer if self.room: event['location'] = vText(str(self.room)+' Dresden, Germany') if self.video_conf: event['location'] = vText(str(self.room)+' Dresden, Germany\n'+str(self.video_conf)) else: event['location'] = vText(str(self.video_conf)) event['description']=vText('More info: https://nano.tu-dresden.de'+str(self.get_absolute_url())) event['url']='https://nano.tu-dresden.de'+str(self.get_absolute_url()) cal.add_component(event) f = open((file_name_ics), 'wb') data_ical=cal.to_ical() f.write(data_ical) f.close() qr = qrcode.QRCode( version = 1, box_size = 15, border = 0 ) # qr.add_data(cal.to_ical()) # data_qr='https://nano.tu-dresden.de'+ file_name_ics_download qr.add_data(data_ical) qr.make(fit=True) img = qr.make_image(fill = 'black', back_color = 'white') file_name_qr = '/data/uploads/seminar/ics/' + str(pk) + '.png' img.save(file_name_qr) file_name_qr = '/uploads/seminar/ics/' + str(pk) + '.png' return file_name_ics_download,file_name_qr class SeminarDetailView(ContextMixin, generic.DetailView): model = Seminar template_name = 'seminar_detail.html' # fields = ['recorded_seminar'] context_object_name = 'seminar_detail' queryset = Seminar.objects.filter(showPublic=True) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context['ics_file'] = self.get_object().pk context['file_name_ics'] = create_ics(self.get_object(),self.get_object().pk)[0] # context['qr_code'] = self.get_object().pk context['file_name_qr'] = create_ics(self.get_object(),self.get_object().pk)[1] return context class Teaching_courseListView(ContextMixin, generic.ListView): model = Teaching_course context_object_name = 'teaching_course_list' queryset = Teaching_course.objects.filter(show_public=True) template_name = 'teaching_course_list.html' #paginate_by = 15 def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) for course in context['teaching_course_list']: teachers = list(course.teacher.all()) tutors = list(course.tutor.all()) responsible = list(course.responsible_person.all()) responsible_pks = {person.pk for person in responsible} non_responsible = [] for person in teachers + tutors: if person.pk not in responsible_pks: if person not in non_responsible: non_responsible.append(person) unique_responsible = [] for person in responsible: if person not in unique_responsible: unique_responsible.append(person) course.all_persons = non_responsible + unique_responsible return context class Teaching_courseDetailView(ContextMixin, generic.DetailView): model = Teaching_course template_name = 'teaching_course_detail.html' context_object_name = 'teaching_course_detail' # queryset = Teaching_course.objects.filter(show_public=True) def get_queryset(self): if self.request.user.is_authenticated: return Teaching_course.objects.all() else: return Teaching_course.objects.filter(show_public=True) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) course = self.object teachers = list(course.teacher.all()) tutors = list(course.tutor.all()) responsible = list(course.responsible_person.all()) responsible_pks = {person.pk for person in responsible} non_responsible = [] for person in teachers + tutors: if person.pk not in responsible_pks and person not in non_responsible: non_responsible.append(person) unique_responsible = [] for person in responsible: if person not in unique_responsible: unique_responsible.append(person) all_persons = non_responsible + unique_responsible context['all_persons'] = all_persons return context