321 lines
12 KiB
Python
321 lines
12 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.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 django.core.urlresolvers import reverse
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from frontend.forms import NewProjectForm, FileUploadForm, PersonMapForm
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from frontend.forms import PresentationForm, PresentationEventForm, PresentationPersonForm
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from frontend.forms import PresentationEventFormHelper, PresentationPersonFormHelper
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from frontend.models import Presentation, PresentationEvent, PresentationPerson
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from frontend.formsets import PresentationEventInlineFormset, PresentationPersonInlineFormset
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from frontend.models import Project
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FRONTEND_PAGE_NAME = u'Citavi Mapper'
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from service.Mapper import person_mapper
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# Login wrapper functions
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def login_wrap(*args, **kwargs):
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""" Wrapper function for login page. """
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kwargs[u'extra_context'] = {
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u'page': {
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u'name': FRONTEND_PAGE_NAME,
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u'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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""" Wrapper function for logout page. """
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kwargs[u'extra_context'] = {
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u'page': {
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u'name': FRONTEND_PAGE_NAME,
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u'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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""" Basic view mixin to add global variables to all templates. """
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template_name = u'base.html'
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page_name = FRONTEND_PAGE_NAME
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page_title = u'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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""" Mixin to force a valid login for protected pages. """
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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 ProtectedFormSetView(LoggedInMixin, MyTemplateView):
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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 = u'index.html'
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page_title = u'Index'
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class HelloView(ProtectedTemplateView):
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template_name = u'hello.html'
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page_title = u'Hello'
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success_url = u'/hello'
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def __init__(self, *args, **kwargs):
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super(HelloView, self).__init__(*args, **kwargs)
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def get_context_data(self, **kwargs):
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""" Add form + formsets to template context. """
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kwargs[u'presentation_form'] = PresentationForm()
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person_formset = PresentationPersonInlineFormset(prefix='person')
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event_formset = PresentationEventInlineFormset(prefix='event')
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kwargs[u'person_formset'] = person_formset
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kwargs[u'event_formset'] = event_formset
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kwargs[u'person_formhelper'] = PresentationPersonFormHelper;
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kwargs[u'event_formhelper'] = PresentationEventFormHelper;
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return super(HelloView, self).get_context_data(**kwargs)
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class ProjectView(ProtectedFormView):
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template_name = u'projects.html'
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page_title = u'Projects'
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form_class = NewProjectForm
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success_url = u'/project'
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def get_context_data(self, **kwargs):
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kwargs[u'projects'] = Project.objects.order_by(u'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 = u'project/update.html'
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page_title = u'Update project'
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form_class = FileUploadForm
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success_url = u'/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.object = Project.objects.get(pk=self.project_id)
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self.success_url = self.success_url + self.project_id + u'/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 = unicode(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 = u'tmp/project_' + unicode(self.project_id) + u'.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 = u'citavi/project_' + unicode(self.project_id) + u'.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 = u'project/view-person.html'
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page_title = u'Person List View'
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form_class = FileUploadForm
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success_url = u'/project/'
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def get_context_data(self, **kwargs):
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project = self.object
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kwargs[u'unmapped_persons'] = person_mapper.get_unmapped_identities(project)
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kwargs[u'mapped_persons'] = person_mapper.get_mapped_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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""" View containing the person mapping 'wizard'. """
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template_name = u'project/map-person.html'
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page_title = u'Person Mapping'
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form_class = PersonMapForm
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success_url = u'/project'
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_unmapped_persons = None
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def _refresh_unmapped(self):
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""" Refresh data about unmapped persons. """
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self._unmapped_persons = person_mapper.get_unmapped_identities(self.object)
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def _is_unmapped(self, person_uuid):
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""" Returns True if the given person is not mapped yet. """
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if not self._unmapped_persons:
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self._refresh_unmapped()
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return person_uuid in self._unmapped_persons
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def get_context_data(self, **kwargs):
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project = self.object
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kwargs[u'person'] = person_mapper.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_success_url(self):
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""" TODO: Make this work! - Update success uri to next unmapped person. """
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last_uuid = unicode(self.person_uuid)
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self._refresh_unmapped()
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unmapped = self._unmapped_persons.items()
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first_person_uuid = unmapped[0][0]
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next_uuid = first_person_uuid
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unmapped.reverse()
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while True:
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try:
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current_person = unmapped.pop()
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if current_person[1].ID == last_uuid:
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next_uuid = unmapped.pop()[0]
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break
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except IndexError:
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break
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kwargs = {
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u"project_id": self.object.id,
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u"person_uuid": next_uuid
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}
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return reverse('frontend-project-map-person', kwargs=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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if self._is_unmapped(self.person_uuid) == False:
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raise Exception("Sorry, this person was already mapped. Try deleting the existing mapping and move on. TODO: Make this more beautiful.")
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self._refresh_unmapped()
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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.object = Project.objects.get(pk=self.project_id)
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if self._is_unmapped(self.person_uuid) == False:
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raise Exception("Sorry, this person was already mapped. Try deleting the existing mapping and move on. TODO: Make this more beautiful.")
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self._refresh_unmapped()
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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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person = person_mapper.get_person_by_uuid(self.object, self.person_uuid)
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if form.data.get(u'skip', False):
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""" Nothing to do here, just go on ... """
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pass
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elif form.data.get(u'save-continue', False):
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# TODO: do mapping according to parameters, override success_url to point to next person!
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if form.cleaned_data[u'action'] == u'new':
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person_mapper.create_new_identity(self.object, person)
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elif form.cleaned_data[u'action'] == u'existing':
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global_identity = form.cleaned_data[u'global_identity']
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person_mapper.map_identity_to_existing(global_identity, self.object, person.ID, form.cleaned_data[u'preferred_identity'])
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return super(ProjectMapPersonView, self).form_valid(form)
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