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Diffstat (limited to 'chimere_rss/feeds.py')
| -rw-r--r-- | chimere_rss/feeds.py | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/chimere_rss/feeds.py b/chimere_rss/feeds.py deleted file mode 100644 index 454b6ef..0000000 --- a/chimere_rss/feeds.py +++ /dev/null @@ -1,230 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# Copyright (C) 2010 Pierre Clarenc <pierre.crc_AT_gmailDOTcom>, -# Samuel Renard <renard.samuel_AT_gmailDOTcom>, -# Étienne Loks <etienne.loks_AT_peacefrogsDOTnet> - -# This program 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. - -# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - -# See the file COPYING for details. - -from django.utils.translation import ugettext as _ -from django.contrib.syndication.feeds import Feed -from django.contrib.syndication.feeds import FeedDoesNotExist -from chimere.main.models import Category, SubCategory, Marker, Area -from django.core.exceptions import ObjectDoesNotExist -from django.contrib.gis.geos import * - -from django.conf import settings - -class BaseFeed(Feed): - """ - Base feed for Chimere objects - """ - def item_link(self, item): - ''' Return POI permalink ''' - coord = item.point - cat = 0 - if item.categories.all() and item.categories.all()[0]: - cat = item.categories.all()[0].pk - return settings.BASE_URL + '?zoom=16&lat=%d&lon=%d¤t_feature=%d&\ -checked_categories=%d' % (coord.y, coord.x, item.id, cat) - - def item_pubdate(self, item): - """ - Date of the Marker when it has been available - """ - return item.available_date - - def description(self, obj): - return "" - -class LatestPOIsByCategory(BaseFeed): - ''' - Last Points of interests by category in Feeds - ''' - title_template = "rss_title.html" - description_template = "rss_descr.html" - - def get_object(self, bits): - """ - Get extra url, after rss/category/ id of category - """ - if len(bits) != 1: - raise ObjectDoesNotExist - return Category.objects.get(id__exact=bits[0]) - - def title(self, obj): - """ - Define the title of the feed - """ - return u"%s - %s" % (settings.PROJECT_NAME, obj.name) - - def link(self, obj): - """ - Define the link of the feed. - """ - if not obj: - raise FeedDoesNotExist - return settings.BASE_URL + 'rss/category/' + str(obj.id) - - def items(self, obj): - """ - Requests to marker where its category match the category is requested - and its status is available - This returns a list of the 15 last markers/POIs ordering by date - """ - q = Marker.objects.filter(status__exact='A', - categories__category__id__exact=obj.id, - available_date__isnull=False).order_by('-available_date')[:15] - return q - -class LatestPOIsBySubCategory(BaseFeed): - ''' - Last Points of interests by SubCategory in Feeds - ''' - title_template = "rss_title.html" - description_template = "rss_descr.html" - - def get_object(self, bits): - if len(bits) != 1: - raise ObjectDoesNotExist - return SubCategory.objects.get(id__exact=bits[0]) - - def title(self, obj): - return u"%s - %s - %s" % (settings.PROJECT_NAME, obj.category.name, - obj.name) - - def link(self, obj): - if not obj: - raise FeedDoesNotExist - return settings.BASE_URL + 'rss/subcategory/' + str(obj.id) - - def items(self, obj): - q = Marker.objects.filter(categories__id__exact=obj.id, - available_date__isnull=False, status__exact='A').order_by( - '-available_date')[:15] - return q - -class LatestPOIs(BaseFeed): - ''' - Last Points of interests - ''' - title_template = "rss_title.html" - description_template = "rss_descr.html" - - def title(self): - return settings.PROJECT_NAME + u" - " + _(u"Last points of interest") - - def link(self): - return settings.BASE_URL + 'rss/categories/' - - def description(self): - return _("Latest points of interest from ") + settings.PROJECT_NAME - - def items(self): - q = Marker.objects.filter(status__exact='A', - available_date__isnull=False).order_by('-available_date')[:15] - return q - -class LatestPOIsByZone(BaseFeed): - ''' - Last Points of interests by zone by coordinates - ''' - title_template = "rss_title.html" - description_template = "rss_descr.html" - upper_left_lat = 0 - upper_left_lon = 0 - lower_right_lat = 0 - lower_right_lon = 0 - - def get_object(self, bits): - """ - Get the extra url. Parameters are the coordinates of the zone (the - upper left and lower right points) - """ - if len(bits) != 1: - raise ObjectDoesNotExist - # Then define the upper right and lower left points - coordinates = str(bits[0]).split('_') - upper_left_lat = float(coordinates[0]) - upper_left_lon = float(coordinates[1]) - lower_right_lat = float(coordinates[2]) - lower_right_lon = float(coordinates[3]) - upper_right_lat = upper_left_lat - upper_right_lon = lower_right_lon - lower_left_lat = lower_right_lat - lower_left_lon = upper_left_lon - # Define a Polygon with the 4 points of the zone. - areaBox = Polygon(((upper_left_lon, upper_left_lat), - (upper_right_lon, upper_right_lat), - (lower_right_lon, lower_right_lat), - (lower_left_lon, lower_left_lat), - (upper_left_lon, upper_left_lat)), - srid=settings.EPSG_DISPLAY_PROJECTION) - return areaBox - - def title(self, obj): - return settings.PROJECT_NAME + u" - " +\ - _(u"Last points of interest by area") - - def link(self, obj): - """ - Define the link of the feed. It's the same url as we get in the method - get_object - """ - if not obj: - raise FeedDoesNotExist - return settings.BASE_URL + 'rss/area/' \ - + str(self.upper_left_lat) + '_' + str(self.upper_left_lon) + \ - '_' + str(self.lower_right_lat) + '_' + str(self.lower_right_lon) - - def items(self, obj): - """ - Request to return Markers WHERE there points are containes in the zone - which is requested. - This returns a list of the 15 last markers/POIs ordering by date - """ - q = Marker.objects.filter(point__contained=obj, status__exact='A', - available_date__isnull=False).order_by('-available_date')[:15] - return q - -class LatestPOIsByZoneID(BaseFeed): - ''' - Last Points of interests by zone by id - ''' - title_template = "rss_title.html" - description_template = "rss_descr.html" - - def get_object(self, bits): - if len(bits) != 1: - raise ObjectDoesNotExist - return Area.objects.get(id__exact=bits[0]) - - def title(self, obj): - return settings.PROJECT_NAME + u" - " + \ - _(u"Last points of interest") + u" - " + obj.name - - def link(self, obj): - if not obj: - raise FeedDoesNotExist - return settings.BASE_URL + 'rss/areaid/' + str(obj.id) - - def items(self, obj): - sql = 'select * from "main_marker" where ' + obj.getIncludeSql() - sql += ' and "main_marker".available_date is not null' - sql += ' and "main_marker".status=\'A\'' - sql += ' order by "main_marker".available_date desc limit 15' - q = Marker.objects.raw(sql) - return q |
