232 lines
7.7 KiB
Python
232 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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# File upload related imports
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import os
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from django.core.files.storage import default_storage
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from django.core.files.base import ContentFile
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from django.conf import settings
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from django.http import HttpResponse, HttpResponseRedirect
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from django.views.generic import TemplateView, FormView, CreateView, UpdateView
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from django.views.generic.detail import SingleObjectMixin
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from django.contrib.auth.decorators import login_required
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from django.utils.decorators import method_decorator
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from django.contrib.auth.views import login, logout
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from frontend.forms import NewProjectForm, FileUploadForm, PersonMapForm
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from frontend.models import Project
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FRONTEND_PAGE_NAME = 'Citavi Mapper'
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# Login wrapper functions
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def login_wrap(*args, **kwargs):
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kwargs['extra_context'] = {
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'page': {
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'name': FRONTEND_PAGE_NAME,
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'title': 'Login'
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}
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}
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return login(*args, **kwargs)
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def logout_wrap(*args, **kwargs):
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kwargs['extra_context'] = {
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'page': {
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'name': FRONTEND_PAGE_NAME,
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'title': 'Logout'
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}
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}
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return logout(*args, **kwargs)
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# My base classes for views
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class MyViewMixin(object):
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template_name = 'base.html'
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page_name = FRONTEND_PAGE_NAME
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page_title = 'BASE'
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def get_page_data(self):
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return {
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u'name': self.page_name,
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u'title': self.page_title
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}
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def get_context_data(self, **kwargs):
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kwargs[u'page'] = self.get_page_data()
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return super(MyViewMixin, self).get_context_data(**kwargs)
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class MyTemplateView(MyViewMixin, TemplateView):
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pass
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class MyFormView(MyViewMixin, FormView):
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pass
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class MyCreateView(MyViewMixin, CreateView):
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pass
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class MyUpdateView(MyViewMixin, UpdateView):
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pass
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# Mixin to protect pages
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class LoggedInMixin(object):
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@method_decorator(login_required)
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def dispatch(self, *args, **kwargs):
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return super(LoggedInMixin, self).dispatch(*args, **kwargs)
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# My protected view classes
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class ProtectedTemplateView(LoggedInMixin, MyTemplateView):
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pass
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class ProtectedFormView(LoggedInMixin, MyFormView):
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pass
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class ProtectedCreateView(LoggedInMixin, MyCreateView):
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pass
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class ProtectedUpdateView(LoggedInMixin, MyUpdateView):
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pass
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# Actual Views
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class IndexView(ProtectedTemplateView):
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template_name = 'index.html'
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page_title = 'Index'
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class ProjectView(ProtectedFormView):
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template_name = 'projects.html'
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page_title = 'Projects'
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form_class = NewProjectForm
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success_url = '/project'
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def get_context_data(self, **kwargs):
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kwargs[u'projects'] = Project.objects.order_by('id')
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return super(ProjectView, self).get_context_data(**kwargs)
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def form_valid(self, form):
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form.save()
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return super(ProjectView, self).form_valid(form)
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class ProjectUpdateView(ProtectedFormView, SingleObjectMixin):
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template_name = 'project/update.html'
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page_title = 'Update project'
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form_class = FileUploadForm
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success_url = '/project/'
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def get(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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self.object = Project.objects.get(pk=self.project_id)
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return super(ProjectUpdateView, self).get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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self.success_url = self.success_url + self.project_id + '/update'
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return super(ProjectUpdateView, self).post(request, *args, **kwargs)
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def form_valid(self, form, *args, **kwargs):
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""" This form_valid handles the file upload. """
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original_file = form.files[u'file']
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original_filename = str(original_file)
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original_contentfile = ContentFile(original_file.read())
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""" Put file into temporary folder for analysis """
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target_filename = 'tmp/project_' + str(self.project_id) + '.ctt4'
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relative_path = default_storage.save(target_filename, original_contentfile)
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temp_sqlite = os.path.join(settings.MEDIA_ROOT, relative_path)
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""" Test if SQLite is a valid citavi project. """
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from service import Citavi
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citavi_project = Citavi.Project(temp_sqlite)
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citavi_project.open()
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citavi_project_valid = citavi_project.is_valid()
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""" Free temporary ressources. """
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del citavi_project
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default_storage.delete(temp_sqlite)
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if citavi_project_valid == False:
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""" TODO: Put up an error message or something. """
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pass
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else:
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target_filename = 'citavi/project_' + str(self.project_id) + '.ctt4'
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""" Remove eventually pre-existing citavi file. """
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if default_storage.exists(target_filename):
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default_storage.delete(target_filename)
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""" Actually store file in citavi folder """
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relative_path = default_storage.save(target_filename, original_contentfile)
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sqlite_path = os.path.join(settings.MEDIA_ROOT, relative_path)
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""" Store new original filename in Project """
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project = Project.objects.get(id=self.project_id)
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project.associated_filename = original_filename
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project.save()
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""" Refresh identities from citavi project. """
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# TODO
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# citavi_project = Citavi.Project(sqlite_path)
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# citavi_project.open()
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# del citavi_project
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return super(ProjectUpdateView, self).form_valid(form)
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class ProjectPersonView(ProtectedFormView, SingleObjectMixin):
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template_name = 'project/view-person.html'
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page_title = 'Person View'
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form_class = FileUploadForm
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success_url = '/projects/'
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def get_context_data(self, **kwargs):
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project = self.object
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from service import Mapper
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pm = Mapper.PersonMapper()
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kwargs[u'unmapped_persons'] = pm.get_unmapped_identities(project)
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return super(ProjectPersonView, self).get_context_data(**kwargs)
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def get(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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self.object = Project.objects.get(pk=self.project_id)
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return super(ProjectPersonView, self).get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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# self.success_url = self.success_url + self.project_id + '/update'
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return super(ProjectPersonView, self).post(request, *args, **kwargs)
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def form_valid(self, form, *args, **kwargs):
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return super(ProjectPersonView, self).form_valid(form)
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class ProjectMapPersonView(ProtectedFormView, SingleObjectMixin):
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template_name = 'project/map-person.html'
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page_title = 'Person Mapping'
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form_class = PersonMapForm
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success_url = '/projects/'
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def get_context_data(self, **kwargs):
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project = self.object
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from service import Mapper
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pm = Mapper.PersonMapper()
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kwargs[u'person'] = pm.get_person_by_uuid(project, self.person_uuid)
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return super(ProjectMapPersonView, self).get_context_data(**kwargs)
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def get(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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self.person_uuid = kwargs[u'person_uuid']
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self.object = Project.objects.get(pk=self.project_id)
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return super(ProjectMapPersonView, self).get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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self.project_id = kwargs[u'project_id']
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self.person_uuid = kwargs[u'person_uuid']
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# self.success_url = self.success_url + self.project_id + '/update'
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return super(ProjectMapPersonView, self).post(request, *args, **kwargs)
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def form_valid(self, form, *args, **kwargs):
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return super(ProjectMapPersonView, self).form_valid(form)
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