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#-*- coding: utf-8 -*-
# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This file is part of HyperKitty.
#
# HyperKitty is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# HyperKitty is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# HyperKitty. If not, see <http://www.gnu.org/licenses/>.
#
# Author: Aurelien Bompard <abompard@fedoraproject.org>
#
import datetime
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from django.utils.timezone import utc
from hyperkitty.models import ThreadCategory, LastView
from hyperkitty.views.forms import CategoryForm
FLASH_MESSAGES = {
"updated-ok": ("success", "The profile was successfully updated."),
"sent-ok": ("success", "The message has been sent successfully."),
"attached-ok": ("success", "Thread successfully re-attached."),
}
def get_months(store, list_name):
""" Return a dictionnary of years, months for which there are
potentially archives available for a given list (based on the
oldest post on the list).
:arg list_name, name of the mailing list in which this email
should be searched.
"""
date_first = store.get_start_date(list_name)
if not date_first:
return {}
archives = {}
now = datetime.datetime.now()
year = date_first.year
month = date_first.month
while year < now.year:
archives[year] = range(1, 13)[(month -1):]
year = year + 1
month = 1
archives[now.year] = range(1, 13)[:now.month]
return archives
def get_display_dates(year, month, day):
if day is None:
start_day = 1
else:
start_day = int(day)
begin_date = datetime.datetime(int(year), int(month), start_day)
if day is None:
end_date = begin_date + datetime.timedelta(days=32)
end_date = end_date.replace(day=1)
else:
end_date = begin_date + datetime.timedelta(days=1)
return begin_date, end_date
def daterange(start_date, end_date):
for n in range(int((end_date - start_date).days)):
yield start_date + datetime.timedelta(n)
def paginate(objects, page_num, max_page_range=10, paginator=None):
try:
page_num = int(page_num)
except (TypeError, ValueError):
page_num = 1
if paginator is None:
paginator = Paginator(objects, 10) # else use the provided instance
try:
objects = paginator.page(page_num)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
objects = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
objects = paginator.page(paginator.num_pages)
# Calculate the displayed page range
if paginator.num_pages > max_page_range:
objects.page_range = [ 1 ]
subrange_lower = page_num - (max_page_range / 2 - 2)
if subrange_lower > 3:
objects.page_range.append("...")
else:
subrange_lower = 2
objects.page_range.extend(range(subrange_lower, page_num))
if page_num != 1 and page_num != 100:
objects.page_range.append(page_num)
subrange_upper = page_num + (max_page_range / 2 - 2)
if subrange_upper >= paginator.num_pages - 2:
subrange_upper = paginator.num_pages - 1
objects.page_range.extend(range(page_num+1, subrange_upper+1))
if subrange_upper < paginator.num_pages - 2:
objects.page_range.append("...")
objects.page_range.append(paginator.num_pages)
else:
objects.page_range = [ p+1 for p in range(paginator.num_pages) ]
return objects
def get_category_widget(request=None, current_category=None):
"""
Returns the category form and the applicable category object (or None if no
category is set for this thread).
If current_category is not provided or None, try to deduce it from the POST
request.
if request is not provided or None, don't return the category form, return
None instead.
"""
categories = [ (c.name, c.name.upper())
for c in ThreadCategory.objects.all() ] \
+ [("", "no category")]
if request:
if request.method == "POST":
category_form = CategoryForm(request.POST)
else:
category_form = CategoryForm(initial={"category": current_category or ""})
category_form["category"].field.choices = categories
else:
category_form = None
if request and request.method == "POST" and category_form.is_valid():
# is_valid() must be called after the choices have been set
current_category = category_form.cleaned_data["category"]
if not current_category:
category = None
else:
try:
category = ThreadCategory.objects.get(name=current_category)
except ThreadCategory.DoesNotExist:
category = None
return category, category_form
def is_thread_unread(request, mlist_name, thread):
"""Returns True or False if the thread is unread or not."""
unread = False
if request.user.is_authenticated():
try:
last_view_obj = LastView.objects.get(
list_address=mlist_name,
threadid=thread.thread_id,
user=request.user)
except LastView.DoesNotExist:
unread = True
else:
if thread.date_active.replace(tzinfo=utc) \
> last_view_obj.view_date:
unread = True
return unread
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