from itertools import chain from operator import itemgetter from django.conf import settings from django.contrib import messages from django.contrib.auth.models import User from django.core.cache import cache from django.http import Http404 from django.shortcuts import get_object_or_404, redirect, render from django.urls import NoReverseMatch, reverse from django.utils.text import format_lazy from django.utils.translation import get_language_info from django.utils.translation import gettext_lazy as _ from c3nav.editor.forms import ChangeSetForm, RejectForm, get_editor_form from c3nav.editor.models import ChangeSet from c3nav.editor.views.base import sidebar_view from c3nav.editor.wrappers import is_created_pk from c3nav.mapdata.models.locations import LocationRedirect, LocationSlug @sidebar_view(select_related=('last_update', 'last_state_update', 'last_change', 'author')) def changeset_detail(request, pk): changeset = request.changeset active = True if str(pk) != str(request.changeset.pk): active = False qs = ChangeSet.qs_for_request(request).select_related('last_update', 'last_state_update', 'last_change', 'author') changeset = get_object_or_404(qs, pk=pk) if not changeset.can_see(request): raise Http404 can_edit = changeset.can_edit(request) can_delete = changeset.can_delete(request) if request.method == 'POST': restore = request.POST.get('restore') if restore and restore.isdigit(): raise NotImplementedError # todo: restore (no pun intended) this feature # if request.changeset.can_edit(request): # try: # changed_object = changeset.changed_objects_set.get(pk=restore) # except Exception: # pass # else: # try: # changed_object.restore() # messages.success(request, _('Object has been successfully restored.')) # except PermissionError: # messages.error(request, _('You cannot restore this object, because it depends on ' # 'a deleted object or it would violate a unique contraint.')) # # else: # messages.error(request, _('You can not edit changes on this change set.')) # # return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('activate') == '1': with changeset.lock_to_edit(request) as changeset: if changeset.can_activate(request): changeset.activate(request) messages.success(request, _('You activated this change set.')) else: messages.error(request, _('You can not activate this change set.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('propose') == '1': if not request.user.is_authenticated: messages.info(request, _('You need to log in to propose changes.')) return redirect(reverse('editor.login')+'?r='+request.path) with changeset.lock_to_edit(request) as changeset: if not changeset.title or not changeset.description: messages.warning(request, _('You need to add a title an a description to propose this change set.')) return redirect(reverse('editor.changesets.edit', kwargs={'pk': changeset.pk})) if changeset.can_propose(request): changeset.propose(request.user) messages.success(request, _('You proposed your changes.')) else: messages.error(request, _('You cannot propose this change set.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('unpropose') == '1': with changeset.lock_to_edit(request) as changeset: if changeset.can_unpropose(request): changeset.unpropose(request.user) messages.success(request, _('You unproposed your changes.')) else: messages.error(request, _('You cannot unpropose this change set.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('review') == '1': with changeset.lock_to_edit(request) as changeset: if changeset.can_start_review(request): changeset.start_review(request.user) messages.success(request, _('You are now reviewing these changes.')) else: messages.error(request, _('You cannot review these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('reject') == '1': with changeset.lock_to_edit(request) as changeset: if not changeset.can_end_review(request): messages.error(request, _('You cannot reject these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) if request.POST.get('reject_confirm') == '1': form = RejectForm(data=request.POST) if form.is_valid(): changeset.reject(request.user, form.cleaned_data['comment'], form.cleaned_data['final']) messages.success(request, _('You rejected these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) else: form = RejectForm() return render(request, 'editor/changeset_reject.html', { 'changeset': changeset, 'form': form, }) elif request.POST.get('unreject') == '1': with changeset.lock_to_edit(request) as changeset: if not changeset.can_unreject(request): messages.error(request, _('You cannot unreject these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) changeset.unreject(request.user) messages.success(request, _('You unrejected these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) elif request.POST.get('apply') == '1': with changeset.lock_to_edit(request) as changeset: if not changeset.can_end_review(request): messages.error(request, _('You cannot accept and apply these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) if request.POST.get('apply_confirm') == '1': changeset.apply(request.user) messages.success(request, _('You accepted and applied these changes.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) return render(request, 'editor/changeset_apply.html', {}) elif request.POST.get('delete') == '1': with changeset.lock_to_edit(request) as changeset: if not changeset.can_delete(request): messages.error(request, _('You cannot delete this change set.')) if request.POST.get('delete_confirm') == '1': changeset.delete() messages.success(request, _('You deleted this change set.')) if request.user.is_authenticated: return redirect(reverse('editor.users.detail', kwargs={'pk': request.user.pk})) else: return redirect(reverse('editor.index')) return render(request, 'editor/delete.html', { 'model_title': ChangeSet._meta.verbose_name, 'obj_title': changeset.title, }) changeset.fill_changes_cache() ctx = { 'changeset': changeset, 'can_edit': can_edit, 'can_delete': can_delete, 'can_propose': changeset.can_propose(request), 'can_unpropose': changeset.can_unpropose(request), 'can_start_review': changeset.can_start_review(request), 'can_end_review': changeset.can_end_review(request), 'can_unreject': changeset.can_unreject(request), 'active': active, } cache_key = '%s:%s:%s:view_data' % (changeset.cache_key_by_changes, changeset.last_update_id, int(can_edit)) changed_objects_data = cache.get(cache_key) if changed_objects_data: ctx['changed_objects'] = changed_objects_data return render(request, 'editor/changeset.html', ctx) objects = changeset.get_objects() changed_objects_data = [] added_redirects = {} removed_redirects = {} for changed_object in changeset.changed_objects.get(LocationRedirect, {}).values(): if changed_object.is_created == changed_object.deleted: continue obj = objects[LocationRedirect][changed_object.obj_pk] redirect_list = (removed_redirects if changed_object.deleted else added_redirects) redirect_list.setdefault(obj.target_id, []).append(obj.slug) redirect_changed_objects = [] for pk in set(added_redirects.keys()) | set(removed_redirects.keys()): obj = objects[LocationSlug][pk] model = obj.__class__ try: changeset.changed_objects[model][pk] except KeyError: redirect_changed_objects.append((model, {pk: changeset.get_changed_object(obj)})) for model, changed_objects in chain(changeset.changed_objects.items(), redirect_changed_objects): if model == LocationRedirect: continue for pk, changed_object in changed_objects.items(): if pk in objects[model]: obj = objects[model][pk] obj_desc = format_lazy(_('{model} #{id}'), model=obj.__class__._meta.verbose_name, id=pk) if is_created_pk(pk): obj_still_exists = pk in changeset.created_objects.get(obj.__class__, ()) else: obj_still_exists = pk not in changeset.deleted_existing.get(obj.__class__, ()) else: obj = changed_object.obj._obj obj_still_exists = False if changed_object.deleted: obj_desc = format_lazy(_('{model} #{id}'), model=obj.__class__._meta.verbose_name, id=pk) else: obj_desc = format_lazy(_('{model} #{id} (deleted outside this changeset)'), model=obj.__class__._meta.verbose_name, id=pk) edit_url = None if obj_still_exists and can_edit and not isinstance(obj, LocationRedirect): reverse_kwargs = {'pk': obj.pk} if hasattr(obj, 'space_id'): reverse_kwargs['space'] = obj.space_id elif hasattr(obj, 'level_id'): reverse_kwargs['level'] = obj.level_id try: edit_url = reverse('editor.' + obj.__class__._meta.default_related_name + '.edit', kwargs=reverse_kwargs) except NoReverseMatch: pass changes = [] missing_dependencies = changed_object.get_missing_dependencies() unique_collisions = changed_object.get_unique_collisions() changed_object_data = { 'model': obj.__class__, 'model_title': obj.__class__._meta.verbose_name, 'pk': changed_object.pk, 'desc': obj_desc, 'title': obj.title if getattr(obj, 'titles', None) else None, 'changes': changes, 'edit_url': edit_url, 'deleted': changed_object.deleted, 'missing_dependencies': missing_dependencies, 'unique_collisions': unique_collisions, 'order': (changed_object.deleted and changed_object.is_created, not changed_object.is_created), } changed_objects_data.append(changed_object_data) form_fields = get_editor_form(model)._meta.fields if changed_object.is_created: changes.append({ 'icon': 'plus', 'class': 'success', 'empty': True, 'title': _('created'), }) update_changes = [] for name, value in changed_object.updated_fields.items(): change_data = { 'icon': 'option-vertical', 'class': 'muted', } if name == 'geometry': change_data.update({ 'icon': 'map-marker', 'class': 'info', 'empty': True, 'title': _('created geometry') if changed_object.is_created else _('edited geometry'), 'order': (8,), }) elif name == 'data': change_data.update({ 'icon': 'signal', 'class': 'info', 'empty': True, 'title': _('created scan data') if changed_object.is_created else _('edited scan data'), 'order': (9,), }) else: if '__i18n__' in name: orig_name, i18n, lang = name.split('__') lang_info = get_language_info(lang) field = model._meta.get_field(orig_name) field_title = format_lazy(_('{field_name} ({lang})'), field_name=field.verbose_name, lang=lang_info['name_translated']) field_value = str(value) if field_value: getattr(obj, field.attname)[lang] = field_value else: getattr(obj, field.attname).pop(lang, None) change_data.update({ 'order': (4, tuple(code for code, title in settings.LANGUAGES).index(lang)), }) else: field = model._meta.get_field(name) field_title = field.verbose_name if field.related_model is not None: if value is None: field_value = None else: if issubclass(field.related_model, User): field_value = objects[field.related_model][value].username else: field_value = objects[field.related_model][value].title change_data.update({ 'missing_dependency': field.name in missing_dependencies, }) else: field_value = field.to_python(value) if name in unique_collisions: change_data.update({ 'unique_collision': field.name in unique_collisions, }) order = 5 if name == 'slug': order = 1 if name not in form_fields: order = 0 change_data.update({ 'order': (order, form_fields.index(name) if order else 1), }) if field_value == '' or field_value is None: change_data.update({ 'empty': True, 'title': format_lazy(_('remove {field_title}'), field_title=field_title), }) else: change_data.update({ 'title': field_title, 'value': field_value, }) update_changes.append(change_data) changes.extend(sorted(update_changes, key=itemgetter('order'))) for m2m_mode in ('m2m_added', 'm2m_removed'): m2m_list = getattr(changed_object, m2m_mode).items() for name, values in sorted(m2m_list, key=lambda nv: form_fields.index(nv[0])): field = model._meta.get_field(name) for value in values: changes.append({ 'icon': 'chevron-right' if m2m_mode == 'm2m_added' else 'chevron-left', 'class': 'info', 'title': field.verbose_name, 'value': objects[field.related_model][value].title, }) if isinstance(obj, LocationSlug): for slug in added_redirects.get(obj.pk, ()): changes.append({ 'icon': 'chevron-right', 'class': 'info', 'title': _('Redirect slugs'), 'value': slug, }) for slug in removed_redirects.get(obj.pk, ()): changes.append({ 'icon': 'chevron-left', 'class': 'info', 'title': _('Redirect slugs'), 'value': slug, }) if changed_object.deleted: changes.append({ 'icon': 'minus', 'class': 'danger', 'empty': True, 'title': _('deleted'), 'order': (9,), }) changed_objects_data = sorted(changed_objects_data, key=itemgetter('order')) cache.set(cache_key, changed_objects_data, 300) ctx['changed_objects'] = changed_objects_data return render(request, 'editor/changeset.html', ctx) @sidebar_view def changeset_edit(request, pk): changeset = request.changeset if str(pk) != str(request.changeset.pk): changeset = get_object_or_404(ChangeSet.qs_for_request(request), pk=pk) with changeset.lock_to_edit(request) as changeset: if not changeset.can_edit(request): messages.error(request, _('You cannot edit this change set.')) return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) if request.method == 'POST': form = ChangeSetForm(instance=changeset, data=request.POST) if form.is_valid(): changeset = form.instance update = changeset.updates.create(user=request.user, title=changeset.title, description=changeset.description) changeset.last_update = update changeset.save() return redirect(reverse('editor.changesets.detail', kwargs={'pk': changeset.pk})) else: form = ChangeSetForm(instance=changeset) return render(request, 'editor/changeset_edit.html', { 'changeset': changeset, 'form': form, }) @sidebar_view def changeset_redirect(request): changeset = request.changeset changeset_url = changeset.get_absolute_url() if not changeset_url: raise Http404 return redirect(changeset_url)