# -*- coding: utf-8 -*-
'''
Created on Jul 01, 2014
@author: tc
'''
from datetime import datetime
import json
import logging
from renkanmanager.views import RenkanGetPut
import uuid
from django.conf import settings
from django.contrib.auth import REDIRECT_FIELD_NAME, login as auth_login
from django.contrib.auth.forms import AuthenticationForm
from django.contrib.sites.models import get_current_site
from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
from django.core.urlresolvers import reverse
from django.db.models import Q
from django.http import HttpResponse, HttpResponseBadRequest
from django.http import HttpResponseRedirect
from django.http.response import Http404
from django.shortcuts import get_object_or_404, redirect
from django.shortcuts import resolve_url
from django.template.response import TemplateResponse
from django.templatetags.static import static
from django.utils.http import is_safe_url
from django.utils.translation import ugettext as _
from django.views.decorators.cache import never_cache
from django.views.decorators.csrf import csrf_exempt, csrf_protect
from django.views.decorators.debug import sensitive_post_parameters
from django.views.generic import TemplateView, View
from django.views.generic.edit import UpdateView
from renkanmanager.models import Renkan
from renkanmanager.utils import LineNodePlacer, HorLineNodePlacer, renkan_copier, renkan_deleter, \
CircleNodePlacer
from hdabo.models import Tag, Datasheet, TaggedSheet, Folder
from hdalab.forms import HdalabRenkanStateForm, HdalabRenkanFavoriteForm
from hdalab.models.dataviz import DbpediaFieldsTranslation
from hdalab.models.renkan import HdalabRenkan
from hdalab.services import change_renkan_state
from hdalab.views.ajax import filter_generic
logger = logging.getLogger(__name__)
class BaseRenkanList(TemplateView):
default_sort_field = "date"
default_sort_order = "desc"
def update_context(self, context, renkan_queryset):
filters = ""
filter_title = self.request.GET.get("title", "")
if(len(filter_title)>0):
renkan_queryset = renkan_queryset.filter(renkan__title__icontains=filter_title)
filters += "&title=" + filter_title
filter_username = self.request.GET.get("username", "")
if(len(filter_username)>0):
renkan_queryset = renkan_queryset.filter(renkan__owner__username=filter_username)
filters += "&username=" + filter_username
filter_state = self.request.GET.get("state", "")
if(len(filter_state)>0):
try:
filter_state = int(filter_state)
except:
pass
renkan_queryset = renkan_queryset.filter(state=filter_state)
filter_state = str(filter_state)
filters += "&state=" + filter_state
filter_startdate = self.request.GET.get("startdate", "")
if filter_startdate!="":
renkan_queryset = renkan_queryset.filter(renkan__modification_date__gt=filter_startdate)
filters += "&startdate=" + filter_startdate
filter_enddate = self.request.GET.get("enddate", "")
if filter_enddate!="":
renkan_queryset = renkan_queryset.filter(renkan__modification_date__lt=filter_enddate + " 23:59:59")
filters += "&enddate=" + filter_enddate
filter_favorite = int(self.request.GET.get('favorite', "2"))
if filter_favorite == 1:
renkan_queryset = renkan_queryset.filter(favorite=True)
elif filter_favorite == 0:
renkan_queryset = renkan_queryset.filter(favorite=False)
sort_param = self.request.GET.get('sort', self.default_sort_field)
order_param = self.request.GET.get('order', self.default_sort_order)
sort = {"date":"renkan__modification_date", "title":"renkan__title", "state":"state", "user":"renkan__owner__username", "favorite":"favorite"}.get(sort_param, None)
if order_param=="desc":
order = "-"
opposite = "asc"
else:
order = ""
opposite = "desc"
if sort:
renkan_queryset = renkan_queryset.order_by(order + sort)
p = Paginator(renkan_queryset, settings.RENKANS_PER_PAGE)
page_nb = self.request.GET.get('page')
try:
page = p.page(page_nb)
except PageNotAnInteger:
page = p.page(1)
except EmptyPage:
page = p.page(p.num_pages)
context.update({"page": page, "sort_param":sort_param, "order_param":order_param, "opposite":opposite,
"filters":filters, "title": filter_title, "username": filter_username, "state": filter_state,
"startdate":filter_startdate, "enddate":filter_enddate, "favorite": filter_favorite})
return context
class ProfileHome(BaseRenkanList):
template_name = "profile_home.html"
def get_context_data(self, **kwargs):
return self.update_context( super(ProfileHome, self).get_context_data(**kwargs), HdalabRenkan.objects.select_related("renkan").filter(renkan__owner=self.request.user))
class RenkanPublicList(BaseRenkanList):
template_name = "renkan_list.html"
def get_context_data(self, **kwargs):
context = super(RenkanPublicList, self).get_context_data(**kwargs)
#Liste des renkans publics
renkan_list = HdalabRenkan.objects
context['hide_favorite'] = True
context['show_username'] = self.request.user.is_staff
if self.request.user.is_staff:
renkan_list = renkan_list.select_related("renkan", "renkan__owner")
else:
renkan_list = renkan_list.select_related("renkan")
return self.update_context(context, renkan_list.filter(state=HdalabRenkan.PUBLISHED, favorite=False) )
class RenkanFavoriteList(BaseRenkanList):
template_name = "renkan_list_favorite.html"
def get_context_data(self, **kwargs):
context = super(RenkanFavoriteList, self).get_context_data(**kwargs)
renkan_list = HdalabRenkan.objects
context['hide_favorite'] = True
context['show_username'] = self.request.user.is_staff
if self.request.user.is_staff:
renkan_list = renkan_list.select_related("renkan", "renkan__owner")
else:
renkan_list = renkan_list.select_related("renkan")
return self.update_context(context, renkan_list.filter(state=HdalabRenkan.PUBLISHED, favorite=True) )
class RenkanNew(TemplateView):
template_name="renkan_new_confirm.html"
def post(self, request):
rk = Renkan()
rk_id = unicode(uuid.uuid1())
rk.rk_id = rk_id
rk.owner = request.user
rk.content = '{}'
rk.title = "Nouveau Renkan"
rk.schema_version = "2"
rk.save()
hr = HdalabRenkan()
hr.renkan = rk
hr.state = HdalabRenkan.EDITION
hr.save()
return redirect("%s?rk_id=%s" % (reverse('renkan_edit'), rk_id))
class RenkanEdit(TemplateView):
template_name="renkan_edit.html"
def get_context_data(self, **kwargs):
switch_shape_url= {}
context = super(RenkanEdit, self).get_context_data(**kwargs)
# If a renkan id is set
rk_id = self.request.GET.get("rk_id", "")
if rk_id!="":
hr = get_object_or_404(HdalabRenkan.objects.select_related("renkan", "renkan__owner"), renkan__rk_id=rk_id) #.get(=rk_id)
if hr.renkan.owner!=self.request.user or hr.state!=HdalabRenkan.EDITION:
raise Exception("You are not allowed to edit this renkan")
else:
current_url = self.request.get_full_path()
switch_shape_url["current"] = current_url
if "shape=horiz" in current_url:
switch_shape_url["vert"] = current_url.replace("&shape=horiz", "&shape=vert")
switch_shape_url["circle"] = current_url.replace("&shape=horiz", "")
elif "shape=vert" in current_url:
switch_shape_url["horiz"] = current_url.replace("&shape=vert", "&shape=horiz")
switch_shape_url["circle"] = current_url.replace("&shape=vert", "")
else:
#if we generated the renkan from no filter, the url doesn't have any "?"
#we add one to create the links to the other representation
if "?" not in current_url:
current_url += "?"
switch_shape_url["horiz"] = current_url + "&shape=horiz"
switch_shape_url["vert"] = current_url + "&shape=vert"
context["switch_shape_url"] = switch_shape_url
form = AuthenticationForm(self.request)
context["form"] = form
context['tutorial_video_urls'] = getattr(settings, 'RENKAN_TUTORIAL_VIDEO_URLS', [])
return context
class HdalabRenkanGetPut(RenkanGetPut):
@csrf_exempt
def dispatch(self, *args, **kwargs):
return super(HdalabRenkanGetPut, self).dispatch(*args, **kwargs)
def get(self, request):
# If a renkan id is set
rk_id = request.GET.get("rk_id", "")
if rk_id!="":
rk = get_object_or_404(Renkan, rk_id=rk_id)
return HttpResponse(rk.content, content_type="application/json")
shape = request.GET.get("shape", "")
no_translate_langs = [ 'fr' ]
lang = request.GET.get('lang',request.LANGUAGE_CODE)
# Start dict for renkan json
now = datetime.now().strftime("%Y-%m-%d %H:%M")
content = {
"id": unicode(uuid.uuid1()),
"schema_version": 2,
"title": "",
"description": "(empty description)",
"created": now,
"updated": now,
"nodes": [],
"edges": [],
"views": [],
"users": [],
}
# category image dict
cat_dict = {u"Créateur": static("hdalab/img/category_creator.png"),
u"Datation": static("hdalab/img/category_datation.png"),
u"Discipline artistique": static("hdalab/img/category_discipline.png"),
u"Localisation": static("hdalab/img/category_localisation.png"),
u"Ecole/Mouvement": static("hdalab/img/category_movement.png")}
# category image dict
shapes = { "tag1": "polygon", "notice": "rectangle", "tag2": "star" }
# Renkan Project ID
project_id = unicode(uuid.uuid1())
# If a notice id is set
notice_id = request.GET.get("notice", "")
if notice_id!="":
notice = get_object_or_404(Datasheet, hda_id=notice_id)
# We get the ORDERED tags if we display one sheet
ordered_tags = TaggedSheet.objects.filter(datasheet=notice).select_related("tag", "tag__dbpedia_fields", "tag__category").order_by('order')[:15]
# Prepare Node placer :
np = CircleNodePlacer()
if shape=="horiz":
np = HorLineNodePlacer()
elif shape=="vert":
np = LineNodePlacer()
np.init({"datasheet": (1, 1), "tags": (2, len(ordered_tags))})
# Place notice :
content["nodes"].append({
"id": unicode(uuid.uuid1()),
"title": notice.title,
"description": notice.description,
"uri": notice.url,
"position": np.get_place("datasheet"),
"image": "http://www.histoiredesarts.culture.fr/images/pf/" + notice.hda_id + ".jpg",
"size": 0,
"project_id": project_id,
"style" : {
"color": "#FF0033",
},
"shape": shapes["notice"]
})
notice_id = content["nodes"][0]["id"]
# Get translated labels
translations = {}
if lang not in no_translate_langs:
transqs = DbpediaFieldsTranslation.objects.filter(master__in = [ot.tag.dbpedia_fields if hasattr(ot.tag, 'dbpedia_fields') and ot.tag.dbpedia_fields else None for ot in ordered_tags], language_code = lang)
translations = dict([(trans.master_id,trans) for trans in transqs])
for ot in ordered_tags:
t = ot.tag
img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
if img_url is None and t.category is not None:
img_url = cat_dict[t.category.label]
translation_obj = translations.get(t.dbpedia_fields.id, None) if t.dbpedia_fields else None
translation = {
'label': translation_obj.label if translation_obj and translation_obj.label else t.label,
'abstract': translation_obj.abstract if translation_obj and translation_obj.abstract else '',
}
content["nodes"].append({
"id": unicode(uuid.uuid1()),
"title": translation['label'],
"description": translation['abstract'],
"uri": t.wikipedia_url,
"position": np.get_place("tags"),
"image": img_url,
"size": 0,
"project_id": project_id,
"style": {
"color": "#00FF33"
},
"shape": shapes["tag2"]
})
# Place edges
for node in content["nodes"]:
content["edges"].append({
"id": unicode(uuid.uuid1()),
"title": "",
"description": "",
"uri": "",
"style": {
"color": None,
},
"from": notice_id,
"to": node["id"],
"project_id": project_id,
})
response = json.dumps(content)
return HttpResponse(response, content_type="application/json")
# If a folder id is set
folder_id = request.GET.get("folder", "")
if folder_id!="":
#TODO : optimize to avoid tag request on each notice
folder = get_object_or_404(Folder.objects.prefetch_related("datasheets", "datasheets__tags"), pk=folder_id)
notices = folder.datasheets.all()
n_tags = []
notice_tag_dict = {}
tag_uuid_dict = {}
for n in notices:
notice_tag_dict[n.pk] = {"uuid":unicode(uuid.uuid1()), "tags":[] }
for t in n.tags.all()[:5]:
if t.pk not in tag_uuid_dict:
tag_uuid_dict[t.pk] = unicode(uuid.uuid1())
notice_tag_dict[n.pk]["tags"].append(tag_uuid_dict[t.pk])
n_tags.append(t)
n_tags = [t.pk for t in n_tags]
all_tags = Tag.objects.filter( pk__in=n_tags ).select_related("dbpedia_fields", "category")
# Get translated labels
translations = {}
if lang not in no_translate_langs:
transqs = DbpediaFieldsTranslation.objects.filter(master__in = [t.dbpedia_fields if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields else None for t in all_tags], language_code = lang)
translations = dict([(trans.master_id,trans) for trans in transqs])
# Prepare Node placer :
np = CircleNodePlacer()
if shape=="horiz":
np = HorLineNodePlacer()
elif shape=="vert":
np = LineNodePlacer()
np.init({"datasheet": (1, len(notices)), "tags": (2, len(all_tags))})
# Place notices
for n in notices:
content["nodes"].append({
"id": notice_tag_dict[n.pk]["uuid"],
"title": n.title,
"description": n.description,
"uri": n.url,
"position": np.get_place("datasheet"),
"image": "http://www.histoiredesarts.culture.fr/images/pf/" + n.hda_id + ".jpg",
"size": 0,
"project_id": project_id,
"style": {
"color": "#FF0033"
},
"shape": shapes["notice"]
})
# Place tags
for t in all_tags:
img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
translation_obj = translations.get(t.dbpedia_fields.id, None) if t.dbpedia_fields else None
translation = {
'label': translation_obj.label if translation_obj and translation_obj.label else t.label,
'abstract': translation_obj.abstract if translation_obj and translation_obj.abstract else '',
}
if img_url is None and t.category is not None:
img_url = cat_dict[t.category.label]
content["nodes"].append({
"id": tag_uuid_dict[t.pk],
"title": translation['label'],
"description": translation['abstract'],
"uri": t.wikipedia_url,
"position": np.get_place("tags"),
"image": img_url,
"size": 0,
"project_id": project_id,
"style": {
"color": "#00FF33"
},
"shape": shapes["tag2"]
})
# Place edges
for n_pk in notice_tag_dict:
for tag_id in notice_tag_dict[n_pk]["tags"]:
content["edges"].append({
"id": unicode(uuid.uuid1()),
"title": "",
"description": "",
"uri": "",
"style": {
"color": None
},
"from": notice_tag_dict[n_pk]["uuid"],
"to": tag_id,
"project_id": project_id,
#"created_by": "de68xf75y6hs5rgjhgghxbm217xk"
})
response = json.dumps(content)
return HttpResponse(response, content_type="application/json")
# Otherwise we build the datas
# Get tags and countries
labels = request.GET.get("label", "").split(",")
countries = request.GET.get("country", "").split(",")
period = request.GET.get("period", None)
# Tags arrive with french label, countries with dbpedia uri
label_list = [t for t in labels if t!=""]
country_list = [c for c in countries if c!=""]
all_tags = Tag.objects.filter( Q(label__in=label_list) | Q(dbpedia_uri__in=country_list) ).select_related("dbpedia_fields", "category")
# Get datasheets from ajax filter search
temp_fitler = filter_generic(lang, period, ",".join(label_list), ",".join(country_list), content_count=18)
filter_output = json.loads(temp_fitler)
filter_output_to_bin = json.loads(temp_fitler)
#Keep only the 8 first ressources to create the graph
#the 10 next are sent to the bins
for i in range(len(filter_output["contents"])):
if (i < 8):
del filter_output_to_bin["contents"][0]
else:
del filter_output["contents"][8]
content["bins"] = {
"type": "ResourceList",
"title": _("Plus de Ressources"), #TODO: Translate
"list": filter_output_to_bin["contents"]
}
# Prepare other tags
related_tags = []
all_labels = [t.label for t in all_tags]
title = "Recherche " + ", ".join(all_labels)
if period:
title += ", " + _("Period") + " " + period
content["title"] = title
related_tags_dict = {}
for c in filter_output["contents"]:
c["id"] = unicode(uuid.uuid1())
related_tags_dict[c["id"]] = []
for t in c["tags"]:
if t["label"] not in all_labels and t["order"]<6:
thumbnail_url = ""
for tt in filter_output["tags"]:
if tt["label"]==t["label"]:
thumbnail_url = tt["thumbnail"]
related_tags.append({"label": t["label"], "thumbnail":thumbnail_url, "id":t["id"], "url":t["url"], 'wkpd_url': t['wkpd_url']})
all_labels.append(t["label"])
related_tags_dict[c["id"]].append(t["id"])
# If possible, we search a dbpedia_fields thumbnail or category thumbnail for related tags
r_tags = [t["label"] for t in related_tags if t["thumbnail"] is None or t["thumbnail"]=="" ]
r_tags = Tag.objects.filter( label__in=r_tags ).select_related("dbpedia_fields", "category")
r_tags_dict = {}
for t in r_tags:
img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
if img_url is None and t.category is not None:
img_url = cat_dict[t.category.label]
if img_url:
r_tags_dict[t.label] = img_url
# Populate related_tags with found image urls
for t in related_tags:
if (t["thumbnail"] is None or t["thumbnail"]=="") and (t["label"] in r_tags_dict):
t["thumbnail"] = r_tags_dict[t["label"]]
# Prepare Node placer :
np = CircleNodePlacer()
if shape=="horiz":
np = HorLineNodePlacer()
elif shape=="vert":
np = LineNodePlacer()
len_tags = len(all_tags)
if period:
len_tags += 1
np.init({"tags": (1, len_tags), "datasheet": (2, len(filter_output["contents"])), "related": (3, len(related_tags)), "northwest":(3 if shape=="circle" else 1, 1)})
#get tag abstract and label translations
tags_id = [t.id for t in all_tags] + [t['id'] for t in related_tags]
translations = {}
transqs = DbpediaFieldsTranslation.objects.filter(master__tag__in = tags_id, language_code = lang)
translations = dict([(trans.master.tag.id,trans) for trans in transqs])
for t in all_tags:
img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
if img_url is None and t.category is not None:
img_url = cat_dict[t.category.label]
translation_obj = translations.get(t.id, None)
translation = {
'label': filter_output["tagtranslations"][t.label] if t.label in filter_output["tagtranslations"] else t.label,
'abstract': translation_obj.abstract if translation_obj else ""
}
content["nodes"].append({
"id": unicode(uuid.uuid1()),
"title": translation['label'],
"description": translation['abstract'],
"uri": t.wikipedia_url,
"position": np.get_place("tags"),
"image": img_url,
"size": 0,
"project_id": project_id,
"style" : {
"color": None,
},
"shape": shapes["tag1"]
})
if period:
content["nodes"].append({
"id": unicode(uuid.uuid1()),
"title": _("Period") + " " + period,
"description": "",
"uri": "",
"position": np.get_place("tags"),
"image": cat_dict[u"Datation"],
"size": 0,
"project_id": project_id,
"style": {
"color": None
},
"shape": shapes["tag1"]
})
for c in filter_output["contents"]:
content["nodes"].append({
"id": c["id"],
"title": c["title"],
"description": c["description"],
"uri": c["url"],
"position": np.get_place("datasheet"),
"image": "http://www.histoiredesarts.culture.fr/images/pf/" + c["hda_id"]+ ".jpg",
"size": 0,
"project_id": project_id,
"style" : {
"color": "#FF0033"
},
"shape": shapes["notice"]
})
for t in related_tags:
translation_obj = translations.get(t['id'], None)
translation = {
'label': filter_output["tagtranslations"][t["label"]],
'abstract': translation_obj.abstract if translation_obj else ""
}
content["nodes"].append({
"id": t["id"],
"title": translation['label'],
"description": translation['abstract'],
"uri": t["wkpd_url"],
"position": np.get_place("related"),
"image": t["thumbnail"],
"size": 0,
"project_id": project_id,
"style": {
"color": "#00FF33"
},
"shape": shapes["tag2"]
})
for c_id in related_tags_dict:
for tag_id in related_tags_dict[c_id]:
content["edges"].append({
"id": unicode(uuid.uuid1()),
"title": "",
"description": "",
"uri": "",
"style": {
"color": None,
},
"from": c_id,
"to": tag_id,
"project_id": project_id,
#"created_by": "de68xf75y6hs5rgjhgghxbm217xk"
})
response = json.dumps(content)
return HttpResponse(response, content_type="application/json")
def post(self, request):
rk_id = request.GET.get("rk_id", "")
#data = json.loads(request.body)
#logger.debug(data["edges"])
#logger.debug(data["nodes"])
#logger.debug(request.user.is_authenticated())
#logger.debug(request.user.is_anonymous())
if rk_id!="":
rk = get_object_or_404(Renkan, rk_id=rk_id)
if rk.owner!=request.user:
return HttpResponseBadRequest("You are not allowed to edit this renkan")
rk.content = request.body
data = json.loads(request.body)
if "title" in data:
rk.title = data["title"]
rk.save()
return HttpResponse("SAVED")
else:
# if rk_id was not a get parameter AND if it is set in json data AND if user is authenticated
# Then we can save the renkan
data = json.loads(request.body)
if "id" in data:
rk_id = data["id"]
if rk_id != "" and Renkan.objects.filter(rk_id=rk_id).count()==0 and request.user.is_authenticated():
rk = Renkan()
rk.rk_id = rk_id
rk.title = data["title"] if "title" in data else ""
rk.content = request.body
rk.owner = request.user
rk.save()
hr = HdalabRenkan()
hr.renkan = rk
hr.state = HdalabRenkan.EDITION
hr.save()
return HttpResponse("rk_id=" + rk_id)
return HttpResponse("NOT SAVED")
class HdalabRenkanCopy(View):
def post(self, request, rk_id):
rk = renkan_copier(request.user, rk_id)
hr = HdalabRenkan()
hr.renkan = rk
hr.state = HdalabRenkan.EDITION
hr.save()
if "next" in request.POST:
return redirect(request.POST["next"])
return redirect(reverse('profile_home'))
class HdalabRenkanDelete(View):
def post(self, request, rk_id):
try:
hr = HdalabRenkan.objects.get(renkan__rk_id=rk_id)
except:
raise Http404('Renkan not found')
renkan_deleter(request.user, rk_id)
hr.delete()
if "next" in request.POST:
return redirect(request.POST["next"])
return redirect(reverse('profile_home'))
class HdalabRenkanModerate(View):
def post(self, request, rk_id):
form = HdalabRenkanStateForm(request.POST)
if form.is_valid():
logger.debug("FORM DATA %r", form.cleaned_data)
renkan_hda = get_object_or_404(HdalabRenkan.objects.select_related(), renkan__rk_id=rk_id)
change_renkan_state(renkan_hda, form.cleaned_data['state'], form.cleaned_data['message'], request.user)
next_url = form.cleaned_data.get('next', None)
if next_url:
return redirect(next_url)
else:
redirect(reverse('profile_home'))
else:
logger.debug("FORM INVALID %r : %r", request.POST, form.errors)
return HttpResponseBadRequest("State form invalid")
class HdalabRenkanFavorite(View):
def post(self, request, rk_id):
form = HdalabRenkanFavoriteForm(request.POST)
if form.is_valid():
renkan_hda = get_object_or_404(HdalabRenkan.objects.select_related(), renkan__rk_id=rk_id)
renkan_hda.favorite = form.cleaned_data['favorite']
renkan_hda.save()
return HttpResponse(
json.dumps({'status': 'ok', 'renkan': {'rk_id': renkan_hda.renkan.rk_id, 'favorite': renkan_hda.favorite}}),
content_type="application/json"
)
class UserProfileUpdate(UpdateView):
fields = ['email']
template_name_suffix = '_update_form'
def get_object(self, queryset=None):
return self.request.user
def get_success_url(self):
return reverse('profile_home')
# Function copied from django.contrib.auth.views to simplify ajax login
@sensitive_post_parameters()
@csrf_protect
@never_cache
def ajax_login(request, template_name='ajax_identification/ajax_login.html',
redirect_field_name=REDIRECT_FIELD_NAME,
authentication_form=AuthenticationForm,
current_app=None, extra_context=None):
"""
Displays the login form and handles the login action.
"""
redirect_to = request.REQUEST.get(redirect_field_name, '')
if request.method == "POST":
form = authentication_form(request, data=request.POST)
if form.is_valid():
# Ensure the user-originating redirection url is safe.
if not is_safe_url(url=redirect_to, host=request.get_host()):
redirect_to = resolve_url(settings.LOGIN_REDIRECT_URL)
# Okay, security check complete. Log the user in.
auth_login(request, form.get_user())
return HttpResponseRedirect(redirect_to)
else:
form = authentication_form(request)
current_site = get_current_site(request)
context = {
'form': form,
redirect_field_name: redirect_to,
'site': current_site,
'site_name': current_site.name,
}
if extra_context is not None:
context.update(extra_context)
return TemplateResponse(request, template_name, context,
current_app=current_app)