citavi_mapper/frontend/views.py

144 lines
4.3 KiB
Python

# -*- coding: utf-8 -*-
# File upload related imports
import os
from django.core.files.storage import default_storage
from django.core.files.base import ContentFile
from django.conf import settings
from django.http import HttpResponse, HttpResponseRedirect
from django.views.generic import TemplateView, FormView, CreateView, UpdateView
from django.views.generic.detail import SingleObjectMixin
from django.contrib.auth.decorators import login_required
from django.utils.decorators import method_decorator
from django.contrib.auth.views import login, logout
from frontend.forms import NewProjectForm, FileUploadForm
from frontend.models import Project
FRONTEND_PAGE_NAME = 'Citavi Mapper'
# Login wrapper functions
def login_wrap(*args, **kwargs):
kwargs['extra_context'] = {
'page': {
'name': FRONTEND_PAGE_NAME,
'title': 'Login'
}
}
return login(*args, **kwargs)
def logout_wrap(*args, **kwargs):
kwargs['extra_context'] = {
'page': {
'name': FRONTEND_PAGE_NAME,
'title': 'Logout'
}
}
return logout(*args, **kwargs)
# My base classes for views
class MyViewMixin(object):
template_name = 'base.html'
page_name = FRONTEND_PAGE_NAME
page_title = 'BASE'
def get_page_data(self):
return {
u'name': self.page_name,
u'title': self.page_title
}
def get_context_data(self, **kwargs):
kwargs[u'page'] = self.get_page_data()
return super(MyViewMixin, self).get_context_data(**kwargs)
class MyTemplateView(MyViewMixin, TemplateView):
pass
class MyFormView(MyViewMixin, FormView):
pass
class MyCreateView(MyViewMixin, CreateView):
pass
class MyUpdateView(MyViewMixin, UpdateView):
pass
# Mixin to protect pages
class LoggedInMixin(object):
@method_decorator(login_required)
def dispatch(self, *args, **kwargs):
return super(LoggedInMixin, self).dispatch(*args, **kwargs)
# My protected view classes
class ProtectedTemplateView(LoggedInMixin, MyTemplateView):
pass
class ProtectedFormView(LoggedInMixin, MyFormView):
pass
class ProtectedCreateView(LoggedInMixin, MyCreateView):
pass
class ProtectedUpdateView(LoggedInMixin, MyUpdateView):
pass
# Actual Views
class IndexView(ProtectedTemplateView):
template_name = 'index.html'
page_title = 'Index'
class ProjectOverView(ProtectedFormView):
template_name = 'projects.html'
page_title = 'Projects'
form_class = NewProjectForm
success_url = '/projects'
def get_context_data(self, **kwargs):
kwargs[u'projects'] = Project.objects.order_by('id')
return super(ProjectOverView, self).get_context_data(**kwargs)
def form_valid(self, form):
form.save()
return super(ProjectOverView, self).form_valid(form)
class UpdateProjectView(ProtectedFormView, SingleObjectMixin):
template_name = 'project.html'
page_title = 'Update project'
form_class = FileUploadForm
success_url = '/projects/'
def get(self, request, *args, **kwargs):
self.project_id = kwargs[u'project_id']
self.object = Project.objects.get(pk=self.project_id)
return super(UpdateProjectView, self).get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
self.project_id = kwargs[u'project_id']
self.success_url = self.success_url + self.project_id + '/update'
return super(UpdateProjectView, self).post(request, *args, **kwargs)
""" This form_valid handles the file uploads and triggers a citavi schema import and things. """
def form_valid(self, form, *args, **kwargs):
original_file = form.files[u'file']
original_filename = str(original_file)
relative_path = default_storage.save('tmp/project_' + self.project_id + '.ctt4', ContentFile(original_file.read()))
path = os.path.join(settings.MEDIA_ROOT, relative_path)
#TODO: Actually validate that we get an SQLite3 file!
# Store this in the project model
project = Project.objects.get(id=self.project_id)
project.associated_filename = original_filename
project.save()
return super(UpdateProjectView, self).form_valid(form)