code style

[edumed.git] / contact / admin.py

diff --git a/contact/admin.py b/contact/admin.py
index 3776fc4..bb43881 100644 (file)
--- a/contact/admin.py
+++ b/contact/admin.py
@@ -1,17 +1,20 @@
+# -*- coding: utf-8 -*-
 from django.contrib import admin
-from django.forms import ModelForm
 from .models import Contact
 from django.utils.translation import ugettext as _
 from .forms import contact_forms, admin_list_width
-from django.template import Template
 from django.utils.safestring import mark_safe
+from django.conf.urls import patterns, url
+from django.http import HttpResponse, Http404
 
+from .utils import csv_prepare
 
-class ContactAdminMeta(admin.ModelAdmin.__metaclass__):
+
+class ContactAdminMeta(admin.ModelAdmin.__class__):
     def __getattr__(cls, name):
         if name.startswith('admin_list_'):
             return lambda self: ""
-        raise AttributeError, name
+        raise AttributeError(name)
 
 
 class ContactAdmin(admin.ModelAdmin):
@@ -23,21 +26,22 @@ class ContactAdmin(admin.ModelAdmin):
     readonly_fields = ['form_tag', 'created_at', 'contact', 'ip']
     list_filter = ['form_tag']
 
-    def admin_list(self, obj, nr):
+    @staticmethod
+    def admin_list(obj, nr):
         try:
             field_name = contact_forms[obj.form_tag].admin_list[nr]
-        except BaseException, e:
+        except BaseException:
             return ''
         else:
-            return obj.body.get(field_name, '')
+            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
+        raise AttributeError(name)
 
-    def change_view(self, request, object_id, extra_context=None):
+    def change_view(self, request, object_id, from_url='', extra_context=None):
         if object_id:
             try:
                 instance = Contact.objects.get(pk=object_id)
@@ -75,7 +79,7 @@ class ContactAdmin(admin.ModelAdmin):
 
                 # Create field getters for fields and attachments.
                 for k, v in instance.body.items():
-                    f = (lambda v: lambda self: v)(v)
+                    f = (lambda v: lambda self: v)(Contact.pretty_print(v, for_html=True))
                     f.short_description = orig_fields[k].label if k in orig_fields else _(k)
                     setattr(self, "body__%s" % k, f)
 
@@ -87,8 +91,74 @@ class ContactAdmin(admin.ModelAdmin):
                     f = (lambda v: lambda self: v)(link)
                     f.short_description = orig_fields[k].label if k in orig_fields else _(k)
                     setattr(self, "body__%s" % k, f)
-        return super(ContactAdmin, self).change_view(request, object_id,
-            extra_context=extra_context)
+        return super(ContactAdmin, self).change_view(
+            request, object_id, from_url=from_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<form_tag>[\w-]+)/(?P<extract_type_slug>[\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):
+    toret = u''
+    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
+    for contact in q.all():
+        if extract_type_slug == 'contacts':
+            keys = ['contact']
+        elif extract_type_slug == 'all':
+            keys = contact.body.keys() + ['contact']
+        else:
+            keys = form.get_extract_fields(contact, extract_type_slug)
+        contacts_by_spec.setdefault(tuple(keys), []).append(contact)
+    
+    # Generate list for each body key set
+    for keys, contacts in contacts_by_spec.items():
+        toret += u','.join(keys) + '\n'
+        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] = ''
+                    record[key] = csv_prepare(record[key])
+                toret += u','.join([record[key] for key in keys]) + '\n'
+        toret += '\n\n'
 
+    response = HttpResponse(toret, content_type='text/csv')
+    response['Content-Disposition'] = 'attachment; filename="kontakt.csv"'
+    return response
 
 admin.site.register(Contact, ContactAdmin)