X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/4cadef92cdc776f7da86edfd1bd3547f4d91c816..98b2c09ef1f1c8288a31517f61423264c6b3291c:/src/contact/admin.py diff --git a/src/contact/admin.py b/src/contact/admin.py new file mode 100644 index 000000000..af14c6b02 --- /dev/null +++ b/src/contact/admin.py @@ -0,0 +1,177 @@ +# -*- coding: utf-8 -*- +import csv +import json + +from django.contrib import admin +from django.utils.translation import ugettext as _ +from django.utils.safestring import mark_safe +from django.conf.urls import patterns, url +from django.http import HttpResponse, Http404 + +from wolnelektury.utils import UnicodeCSVWriter +from .forms import contact_forms, admin_list_width +from .models import Contact + + +class ContactAdminMeta(admin.ModelAdmin.__class__): + def __getattr__(cls, name): + if name.startswith('admin_list_'): + return lambda self: "" + raise AttributeError(name) + + +class ContactAdmin(admin.ModelAdmin): + __metaclass__ = ContactAdminMeta + date_hierarchy = 'created_at' + list_display = ['created_at', 'contact', 'form_tag'] + \ + ["admin_list_%d" % i for i in range(admin_list_width)] + fields = ['form_tag', 'created_at', 'contact', 'ip'] + readonly_fields = ['form_tag', 'created_at', 'contact', 'ip'] + list_filter = ['form_tag'] + + @staticmethod + def admin_list(obj, nr): + try: + field_name = contact_forms[obj.form_tag].admin_list[nr] + except BaseException: + return '' + else: + return Contact.pretty_print(obj.body.get(field_name, ''), for_html=True) + + def __getattr__(self, name): + if name.startswith('admin_list_'): + nr = int(name[len('admin_list_'):]) + return lambda obj: self.admin_list(obj, nr) + raise AttributeError(name) + + def change_view(self, request, object_id, form_url='', extra_context=None): + if object_id: + try: + instance = Contact.objects.get(pk=object_id) + assert isinstance(instance.body, dict) + except (Contact.DoesNotExist, AssertionError): + pass + else: + # Create readonly fields from the body JSON. + attachments = list(instance.attachment_set.all()) + body_keys = instance.body.keys() + [a.tag for a in attachments] + + # Find the original form. + try: + orig_fields = contact_forms[instance.form_tag]().fields + except KeyError: + orig_fields = {} + + # Try to preserve the original order. + orig_keys = list(orig_fields.keys()) + admin_keys = [key for key in orig_keys if key in body_keys] + \ + [key for key in body_keys if key not in orig_keys] + admin_fields = ['body__%s' % key for key in admin_keys] + + self.readonly_fields.extend(admin_fields) + + self.fieldsets = [ + (None, {'fields': self.fields}), + (_('Body'), {'fields': admin_fields}), + ] + + # Create field getters for fields and attachments. + def attach_getter(key, value): + def f(self): + return value + f.short_description = orig_fields[key].label if key in orig_fields else _(key) + setattr(self, "body__%s" % key, f) + + for k, v in instance.body.items(): + attach_getter(k, Contact.pretty_print(v, for_html=True)) + + download_link = "%(url)s" + for attachment in attachments: + link = mark_safe(download_link % { + 'url': attachment.get_absolute_url()}) + attach_getter(attachment.tag, link) + return super(ContactAdmin, self).change_view( + request, object_id, form_url=form_url, extra_context=extra_context) + + def changelist_view(self, request, extra_context=None): + context = dict() + if 'form_tag' in request.GET: + form = contact_forms.get(request.GET['form_tag']) + context['extract_types'] = [ + {'slug': 'all', 'label': _('all')}, + {'slug': 'contacts', 'label': _('contacts')}] + context['extract_types'] += [type for type in getattr(form, 'extract_types', [])] + return super(ContactAdmin, self).changelist_view(request, extra_context=context) + + def get_urls(self): + # urls = super(ContactAdmin, self).get_urls() + return patterns( + '', + url(r'^extract/(?P[\w-]+)/(?P[\w-]+)/$', + self.admin_site.admin_view(extract_view), name='contact_extract') + ) + super(ContactAdmin, self).get_urls() + + +def extract_view(request, form_tag, extract_type_slug): + contacts_by_spec = dict() + form = contact_forms.get(form_tag) + if form is None and extract_type_slug not in ('contacts', 'all'): + raise Http404 + + q = Contact.objects.filter(form_tag=form_tag) + at_year = request.GET.get('created_at__year') + at_month = request.GET.get('created_at__month') + if at_year: + q = q.filter(created_at__year=at_year) + if at_month: + q = q.filter(created_at__month=at_month) + + # Segregate contacts by body key sets + if form: + orig_keys = list(form().fields.keys()) + else: + orig_keys = [] + for contact in q.all(): + if extract_type_slug == 'contacts': + keys = ['contact'] + elif extract_type_slug == 'all': + keys = contact.body.keys() + ['contact'] + keys = [key for key in orig_keys if key in keys] + [key for key in keys if key not in orig_keys] + else: + keys = form.get_extract_fields(contact, extract_type_slug) + contacts_by_spec.setdefault(tuple(keys), []).append(contact) + + response = HttpResponse(content_type='text/csv') + csv_writer = UnicodeCSVWriter(response) + + # Generate list for each body key set + for keys, contacts in contacts_by_spec.items(): + csv_writer.writerow(keys) + for contact in contacts: + if extract_type_slug == 'contacts': + records = [dict(contact=contact.contact)] + elif extract_type_slug == 'all': + records = [dict(contact=contact.contact, **contact.body)] + else: + records = form.get_extract_records(keys, contact, extract_type_slug) + + for record in records: + for key in keys: + if key not in record: + record[key] = '' + if isinstance(record[key], basestring): + pass + elif isinstance(record[key], bool): + record[key] = 'tak' if record[key] else 'nie' + elif isinstance(record[key], (list, tuple)) and all(isinstance(v, basestring) for v in record[key]): + record[key] = ', '.join(record[key]) + else: + record[key] = json.dumps(record[key]) + + csv_writer.writerow([record[key] for key in keys]) + csv_writer.writerow([]) + + response['Content-Disposition'] = 'attachment; filename="kontakt.csv"' + return response + +admin.site.register(Contact, ContactAdmin)