import os from django.conf import settings from django.http import FileResponse, Http404 from django.contrib.admin.views.decorators import staff_member_required from django.utils._os import safe_join from django.shortcuts import render from .models import Member, Group, Halslide, Shared_document, Researchslide, Teachingslide from django.views import generic from django.utils import timezone from home.models import Status, Status_extern from django.db.models import Q from django.template.loader import get_template, render_to_string from django.shortcuts import get_object_or_404 from external.models import Open_Job from search_views.search import SearchListView from search_views.filters import BaseFilter from .forms import Shared_documentSearchForm import numpy as np import qrcode from nanotud.add_global_context import ContextMixin @staff_member_required def protected_file(request, file_path): """ Liefert eine Datei aus dem MEDIA_ROOT aus. file_path ist der relative Pfad zur Datei, z.B. 'uploads/members/tac/meinedatei.pdf' """ try: full_path = safe_join(settings.MEDIA_ROOT, file_path) except ValueError: raise Http404("Ungültiger Dateipfad.") if not os.path.exists(full_path): raise Http404("Datei nicht gefunden.") return FileResponse(open(full_path, 'rb')) # Create your views here. class VisitorListView(ContextMixin, generic.ListView): model = Member context_object_name = 'visitor_list' template_name = 'visitor.html' paginate_by = 350 queryset=Member.objects.filter(visitor=True).filter(show_public=True).order_by('-exit_date') def get_context_data(self,**kwargs): context=super().get_context_data(**kwargs) return context class HalwayListView(ContextMixin, generic.ListView): model = Halslide context_object_name = 'slides' template_name = 'halway.html' queryset=Halslide.objects.filter(show=True) class ResslideListView(ContextMixin, generic.ListView): model = Researchslide context_object_name = 'slides' template_name = 'resslides.html' queryset=Researchslide.objects.filter(show=True) class TsslideListView(ContextMixin, generic.ListView): model = Teachingslide context_object_name = 'slides' template_name = 'tsslides.html' queryset=Teachingslide.objects.filter(show=True) class AlumniListView(ContextMixin, generic.ListView): model = Member context_object_name = 'alumni_list' template_name = 'alumni.html' paginate_by = 350 def get_queryset(self): # organisation_extern = self.request.GET.get('organisation_extern') status_extern = self.request.GET.get('status_extern') search_query = self.request.GET.get('search') # status_extern = self.request.GET.get('status_extern_id') if status_extern: # queryset=Member.objects.filter(active=False).filter(visitor=False).filter(extern_related=False).filter(show_public=True).filter(status_extern=status_extern).order_by('-exit_date') queryset=Member.objects.filter(active=False).filter(visitor=False).filter(extern_related=False).filter(show_public=True).filter(status_extern=status_extern).order_by('-exit_date') else: queryset=Member.objects.filter(active=False).filter(visitor=False).filter(extern_related=False).filter(show_public=True).order_by('-exit_date') if search_query: search_terms = search_query.split() if len(search_terms) > 1: # Suche nach vollständigem Namen queryset = queryset.filter( Q(given_name__icontains=search_terms[0]) & Q(last_name__icontains=search_terms[1]) ) else: queryset = queryset.filter( Q(given_name__icontains=search_query) | Q(last_name__icontains=search_query) ) return queryset def get_context_data(self,**kwargs): context=super().get_context_data(**kwargs) # context['organisations'] = Member.objects.order_by().values_list('organisation_extern', flat=True).distinct() # context['external_stati'] = Member.objects.order_by().values_list('status_extern', flat=True).distinct() context['external_stati'] = Status_extern.objects.all() return context # def get_context_data(self,**kwargs): # context=super(MemberListView,self).get_context_data(**kwargs) # context['status']=Status.objects.filter() # return context class MemberListView(ContextMixin, generic.ListView): model = Member context_object_name = 'member_list' template_name = 'member.html' paginate_by = 350 queryset=Member.objects.filter(active=True).filter(extern_related=False).filter(show_public=True).order_by('status') def get_context_data(self,**kwargs): context=super(MemberListView,self).get_context_data(**kwargs) context['status']=Status.objects.filter() return context class PosterMemberListView(ContextMixin, generic.ListView): model = Member context_object_name = 'poster_member_list' template_name = 'poster_member.html' paginate_by = 350 queryset=Member.objects.filter(active=True).filter(extern_related=False).filter(show_public=True).order_by('status') def create_noppenQR(pk): qr = qrcode.QRCode( version = 1, box_size = 15, border = 10 ) data = 'https://nano.tu-dresden.de/special_view/' + str(pk) + '.vcf/' qr.add_data(data) qr.make(fit=True) img = qr.make_image(fill = 'black', back_color = 'white') file_name = '/var/www/nanotud/uploads/img/QR-code/' + str(pk) + '.png' img.save(file_name) file_name = '/uploads/img/QR-code/' + str(pk) + '.png' return file_name def create_vcard_qr(member): email = f"{member.job_mail}" if member.job_mail else "" title_short = f"{member.title.title_short};" if member.title is not None else "" vcard_data = f"""BEGIN:VCARD VERSION:3.0 EMAIL:{email} TEL;TYPE=WORK:{member.job_phone} NOTE;CHARSET=utf-8: TITLE;CHARSET=utf-8:{member.status} N;CHARSET=utf-8:{member.last_name};{member.given_name};;{title_short}; FN;CHARSET=utf-8:{member.given_name} {member.last_name} ORG;CHARSET=utf-8:Technische Universität Dresden;Chair of Materials Science and Nanotechnology END:VCARD""" qr = qrcode.QRCode( version=1, error_correction=qrcode.constants.ERROR_CORRECT_L, box_size=10, border=4, ) qr.add_data(vcard_data) qr.make(fit=True) img = qr.make_image(fill_color="black", back_color="white") file_name = f'/var/www/nanotud/uploads/img/QR-code/{member.pk}.png' img.save(file_name) return f'/uploads/img/QR-code/{member.pk}.png' class MemberDetailView(ContextMixin, generic.DetailView): model = Member context_object_name = 'member_detail' template_name = 'member_detail.html' # test = context_object_name.kwargs.get('pk') queryset=Member.objects.filter(show_public=True) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context['qr_code'] = self.get_object().pk # context['file_name'] = create_noppenQR(self.get_object().pk) context['file_name_qr_code'] = create_vcard_qr(self.get_object()) return context def special_view(request, pk): configs = get_object_or_404(Member, pk=pk) return render(request, 'vcard_export.vcf', {'member': configs}, content_type='text/x-vcard; charset=utf-8') '''def qr_code(request, pk): configs = get_object_or_404(Member, pk=pk) context = {} qr = qrcode.QRCode( version = 1, box_size = 15, border = 10, image_factory = qrcode.image.svg.SvgImage ) data = img = qr.add_data(, image_factory=factory, box_size=20) stream = BytesIO() img.save(stream) context["svg"] = stream.getvalue().decode() return render(request, 'qr_code.png', {'member': configs}, content_type='text/x-vcard; charset=utf-8') ''' class GroupListView(ContextMixin, generic.ListView): model = Group context_object_name = 'group_list' template_name = 'group.html' paginate_by = 50 active_groups=Group.objects.filter(active=True) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) active_groups=Group.objects.filter(active=True) context['active_groups']=active_groups context['theory_groups'] = active_groups.filter( group_type__in=['theory'],show_public=True ) context['experiment_groups'] = active_groups.filter( group_type__in=['experiment'],show_public=True ) context['theory_experiment_groups'] = active_groups.filter( group_type__in=['experiment_and_theory'],show_public=True ) context['facility_groups'] = active_groups.filter(group_type='facility',show_public=True) context['incubation_groups'] = active_groups.filter(group_type__in=['incubation'],show_public=True) context['non_active_groups'] = Group.objects.filter(active=False,show_public=True) return context class GroupDetailView(ContextMixin, generic.DetailView): model = Group context_object_name = 'group_detail' template_name = 'group_detail.html' def get_queryset(self): return super(GroupDetailView, self).get_queryset().filter(show_public=True) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) group = self.object # Variante A – simpel: context["active_members"] = group.group_member.filter(active=True) context["inactive_members"] = group.group_member.filter(active=False) return context class Shared_documentFilter(BaseFilter): search_fields = { 'search_text' : ['name','description','pdf_file','editable_file'] } class Shared_documentSearchListView(SearchListView): model = Shared_document context_object_name = 'shared_document_list' template_name = 'shared_document_search.html' paginate_by = 50 filter_class = Shared_documentFilter form_class = Shared_documentSearchForm class Shared_documentDetailView(ContextMixin, generic.DetailView): model = Shared_document context_object_name = 'shared_document_detail' template_name = 'shared_document_detail.html'