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models.py
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# -*- coding: UTF-8 -*-
"""
Models for Microformats.
Copyright (c) 2009 Nicholas H.Tollervey (http://ntoll.org/contact)
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of ntoll.org nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
from django.db import models
from django.utils.translation import ugettext_lazy as _, ugettext as __
from django.contrib.auth.models import User
from datetime import date
########################################
# Constant tuples used in several models
########################################
# Timezone representation taken from the hCalendar creator:
# http://microformats.org/code/hcalendar/creator
TIMEZONE = (
('-12:00', _('-12 (IDLW)')),
('-11:00', _('-11 (NT)')),
('-10:00', _('-10 (HST)')),
('-09:00', _('-9 (AKST)')),
('-08:00', _('-8 (PST/AKDT)')),
('-07:00', _('-7 (MST/PDT)')),
('-06:00', _('-6 (CST/MDT)')),
('-05:00', _('-5 (EST/CDT)')),
('-04:00', _('-4 (AST/EDT)')),
('-03:45', _('-3:45')),
('-03:30', _('-3:30')),
('-03:00', _('-3 (ADT)')),
('-02:00', _('-2 (AT)')),
('-01:00', _('-1 (WAT)')),
('Z', _('+0 (GMT/UTC)')),
('+01:00', _('+1 (CET/BST/IST/WEST)')),
('+02:00', _('+2 (EET/CEST)')),
('+03:00', _('+3 (MSK/EEST)')),
('+03:30', _('+3:30 (Iran)')),
('+04:00', _('+4 (ZP4/MSD)')),
('+04:30', _('+4:30 (Afghanistan)')),
('+05:00', _('+5 (ZP5)')),
('+05:30', _('+5:30 (India)')),
('+06:00', _('+6 (ZP6)')),
('+06:30', _('+6:30 (Burma)')),
('+07:00', _('+7 (WAST)')),
('+08:00', _('+8 (WST)')),
('+09:00', _('+9 (JST)')),
('+09:30', _('+9:30 (Central Australia)')),
('+10:00', _('+10 (AEST)')),
('+11:00', _('+11 (AEST(summer))')),
('+12:00', _('+12 (NZST/IDLE)')),
)
# A list of all countries stored as (('ISO 3166'), ('Name'))
COUNTRY_LIST = (
('',_('--- Please Select ---')),
('GB', _('United Kingdom')),
('US', _('United States')),
('CA', _('Canada')),
('AU', _('Australia')),
('NZ', _('New Zealand')),
('IE', _('Ireland')),
('FR', _('France')),
('DE', _('Germany')),
('IT', _('Italy')),
('ES', _('Spain')),
('AF', _('Afghanistan')),
('AL', _('Albania')),
('DZ', _('Algeria')),
('AS', _('American Samoa')),
('AD', _('Andorra')),
('AO', _('Angola')),
('AI', _('Anguilla')),
('AQ', _('Antarctica')),
('AG', _('Antigua and Barbuda')),
('AR', _('Argentina')),
('AM', _('Armenia')),
('AW', _('Aruba')),
('AT', _('Austria')),
('AZ', _('Azerbaidjan')),
('BS', _('Bahamas')),
('BH', _('Bahrain')),
('BD', _('Bangladesh')),
('BB', _('Barbados')),
('BY', _('Belarus')),
('BE', _('Belgium')),
('BZ', _('Belize')),
('BJ', _('Benin')),
('BM', _('Bermuda')),
('BT', _('Bhutan')),
('BO', _('Bolivia')),
('BA', _('Bosnia-Herzegovina')),
('BW', _('Botswana')),
('BV', _('Bouvet Island')),
('BR', _('Brazil')),
('IO', _('British Indian Ocean Territory')),
('BN', _('Brunei Darussalam')),
('BG', _('Bulgaria')),
('BF', _('Burkina Faso')),
('BI', _('Burundi')),
('KH', _('Cambodia')),
('CM', _('Cameroon')),
('CV', _('Cape Verde')),
('KY', _('Cayman Islands')),
('CF', _('Central African Republic')),
('TD', _('Chad')),
('CL', _('Chile')),
('CN', _('China')),
('CX', _('Christmas Island')),
('CC', _('Cocos (Keeling) Islands')),
('CO', _('Colombia')),
('KM', _('Comoros')),
('CG', _('Congo')),
('CK', _('Cook Islands')),
('CR', _('Costa Rica')),
('HR', _('Croatia')),
('CU', _('Cuba')),
('CY', _('Cyprus')),
('CZ', _('Czech Republic')),
('DK', _('Denmark')),
('DJ', _('Djibouti')),
('DM', _('Dominica')),
('DO', _('Dominican Republic')),
('TP', _('East Timor')),
('EC', _('Ecuador')),
('EG', _('Egypt')),
('SV', _('El Salvador')),
('GQ', _('Equatorial Guinea')),
('ER', _('Eritrea')),
('EE', _('Estonia')),
('ET', _('Ethiopia')),
('FK', _('Falkland Islands')),
('FO', _('Faroe Islands')),
('FJ', _('Fiji')),
('FI', _('Finland')),
('CS', _('Former Czechoslovakia')),
('SU', _('Former USSR')),
('FX', _('France (European Territory)')),
('GF', _('French Guyana')),
('TF', _('French Southern Territories')),
('GA', _('Gabon')),
('GM', _('Gambia')),
('GE', _('Georgia')),
('GH', _('Ghana')),
('GI', _('Gibraltar')),
('GR', _('Greece')),
('GL', _('Greenland')),
('GD', _('Grenada')),
('GP', _('Guadeloupe (French)')),
('GU', _('Guam (USA)')),
('GT', _('Guatemala')),
('GN', _('Guinea')),
('GW', _('Guinea Bissau')),
('GY', _('Guyana')),
('HT', _('Haiti')),
('HM', _('Heard and McDonald Islands')),
('HN', _('Honduras')),
('HK', _('Hong Kong')),
('HU', _('Hungary')),
('IS', _('Iceland')),
('IN', _('India')),
('ID', _('Indonesia')),
('IR', _('Iran')),
('IQ', _('Iraq')),
('IL', _('Israel')),
('CI', _('Ivory Coast (Cote D'Ivoire)')),
('JM', _('Jamaica')),
('JP', _('Japan')),
('JO', _('Jordan')),
('KZ', _('Kazakhstan')),
('KE', _('Kenya')),
('KI', _('Kiribati')),
('KW', _('Kuwait')),
('KG', _('Kyrgyzstan')),
('LA', _('Laos')),
('LV', _('Latvia')),
('LB', _('Lebanon')),
('LS', _('Lesotho')),
('LR', _('Liberia')),
('LY', _('Libya')),
('LI', _('Liechtenstein')),
('LT', _('Lithuania')),
('LU', _('Luxembourg')),
('MO', _('Macau')),
('MK', _('Macedonia')),
('MG', _('Madagascar')),
('MW', _('Malawi')),
('MY', _('Malaysia')),
('MV', _('Maldives')),
('ML', _('Mali')),
('MT', _('Malta')),
('MH', _('Marshall Islands')),
('MQ', _('Martinique (French)')),
('MR', _('Mauritania')),
('MU', _('Mauritius')),
('YT', _('Mayotte')),
('MX', _('Mexico')),
('FM', _('Micronesia')),
('MD', _('Moldavia')),
('MC', _('Monaco')),
('MN', _('Mongolia')),
('MS', _('Montserrat')),
('MA', _('Morocco')),
('MZ', _('Mozambique')),
('MM', _('Myanmar')),
('NA', _('Namibia')),
('NR', _('Nauru')),
('NP', _('Nepal')),
('NL', _('Netherlands')),
('AN', _('Netherlands Antilles')),
('NT', _('Neutral Zone')),
('NC', _('New Caledonia (French)')),
('NI', _('Nicaragua')),
('NE', _('Niger')),
('NG', _('Nigeria')),
('NU', _('Niue')),
('NF', _('Norfolk Island')),
('KP', _('North Korea')),
('MP', _('Northern Mariana Islands')),
('NO', _('Norway')),
('OM', _('Oman')),
('PK', _('Pakistan')),
('PW', _('Palau')),
('PA', _('Panama')),
('PG', _('Papua New Guinea')),
('PY', _('Paraguay')),
('PE', _('Peru')),
('PH', _('Philippines')),
('PN', _('Pitcairn Island')),
('PL', _('Poland')),
('PF', _('Polynesia (French)')),
('PT', _('Portugal')),
('PR', _('Puerto Rico')),
('QA', _('Qatar')),
('RE', _('Reunion (French)')),
('RO', _('Romania')),
('RU', _('Russian Federation')),
('RW', _('Rwanda')),
('GS', _('S. Georgia & S. Sandwich Isls.')),
('SH', _('Saint Helena')),
('KN', _('Saint Kitts & Nevis Anguilla')),
('LC', _('Saint Lucia')),
('PM', _('Saint Pierre and Miquelon')),
('ST', _('Saint Tome (Sao Tome) and Principe')),
('VC', _('Saint Vincent & Grenadines')),
('WS', _('Samoa')),
('SM', _('San Marino')),
('SA', _('Saudi Arabia')),
('SN', _('Senegal')),
('SC', _('Seychelles')),
('SL', _('Sierra Leone')),
('SG', _('Singapore')),
('SK', _('Slovak Republic')),
('SI', _('Slovenia')),
('SB', _('Solomon Islands')),
('SO', _('Somalia')),
('ZA', _('South Africa')),
('KR', _('South Korea')),
('LK', _('Sri Lanka')),
('SD', _('Sudan')),
('SR', _('Suriname')),
('SJ', _('Svalbard and Jan Mayen Islands')),
('SZ', _('Swaziland')),
('SE', _('Sweden')),
('CH', _('Switzerland')),
('SY', _('Syria')),
('TJ', _('Tadjikistan')),
('TW', _('Taiwan')),
('TZ', _('Tanzania')),
('TH', _('Thailand')),
('TG', _('Togo')),
('TK', _('Tokelau')),
('TO', _('Tonga')),
('TT', _('Trinidad and Tobago')),
('TN', _('Tunisia')),
('TR', _('Turkey')),
('TM', _('Turkmenistan')),
('TC', _('Turks and Caicos Islands')),
('TV', _('Tuvalu')),
('UG', _('Uganda')),
('UA', _('Ukraine')),
('AE', _('United Arab Emirates')),
('UY', _('Uruguay')),
('MIL', _('USA Military')),
('UM', _('USA Minor Outlying Islands')),
('UZ', _('Uzbekistan')),
('VU', _('Vanuatu')),
('VA', _('Vatican City State')),
('VE', _('Venezuela')),
('VN', _('Vietnam')),
('VG', _('Virgin Islands (British)')),
('VI', _('Virgin Islands (USA)')),
('WF', _('Wallis and Futuna Islands')),
('EH', _('Western Sahara')),
('YE', _('Yemen')),
('YU', _('Yugoslavia')),
('ZR', _('Zaire')),
('ZM', _('Zambia')),
('ZW', _('Zimbabwe')),
)
########
# Models
########
class LocationAwareMicroformat(models.Model):
"""
An abstract database model that provides "de-normalized" fields to represent
the adr and geo microformats.
This class also provides two functions: adr and geo to return UTF
representations of the appropriate microformats.
"""
# This first part represents an adr Microformat.
#
# See:
#
# http://microformats.org/wiki/adr
#
# adr (pronounced "adder"; FAQ: "why 'adr'?") is a simple format for marking
# up address information, suitable for embedding in HTML, XHTML, Atom, RSS,
# and arbitrary XML. adr is a 1:1 representation of the adr property in the
# vCard standard (RFC2426) in HTML, one of several open microformat standards.
# It is also a property of hCard.
street_address = models.CharField(
_('Street Address'),
max_length=128,
blank=True
)
extended_address = models.CharField(
_('Extended Address'),
max_length=128,
blank=True
)
locality = models.CharField(
_('Town / City'),
max_length=128,
blank=True
)
region = models.CharField(
_('County / State'),
max_length=128,
blank=True
)
country_name = models.CharField(
_('Country'),
max_length=3,
choices = COUNTRY_LIST,
blank=True,
null=True
)
postal_code = models.CharField(
_('Post Code'),
max_length=32,
blank=True
)
post_office_box = models.CharField(
_('Post Office Box'),
max_length=32,
blank=True
)
# Represents a geo microformat.
#
# See:
#
# http://microformats.org/wiki/geo
#
# For more information
latitude = models.FloatField(
_('Latitude'),
null=True,
blank=True,
help_text=_(u'degrees decimal, e.g. 37.408183 (±90)')
)
longitude = models.FloatField(
_('Longitude'),
null=True,
blank=True,
help_text=_(u'degrees decimal, e.g. -122.13855 (±180)')
)
def adr(self):
"""
Returns a Unicode string representation of the adr microformat
associated with this instance.
"""
result = u', '.join((x for x in (
self.street_address,
self.extended_address,
self.locality,
self.region,
self.country_name and self.get_country_name_display() or self.country_name,
self.postal_code,
self.post_office_box,
) if x and x.strip()))
if result:
return result
else:
return None
def geo(self):
"""
Returns a Unicode string representation of the geo microformat
associated with this instance.
"""
if self.latitude and self.longitude:
return u' '.join((
_('lat'),
str(self.latitude),
_('long'),
str(self.longitude)
))
else:
return None
class Meta:
abstract = True
class hCard(LocationAwareMicroformat):
"""
A lightweight representation of the hCard microformat with no Foreign Key
dependancies.
For a complete and compliant representation use the hCardComplete model
For more information about this microformat see:
http://microformats.org/wiki/hcard
hCard is a simple, open, distributed format for representing people,
companies, organizations, and places, using a 1:1 representation of vCard
(RFC2426) properties and values in semantic HTML or XHTML. hCard is one of
several open microformat standards suitable for embedding in HTML, XHTML,
Atom, RSS, and arbitrary XML.
Field help text is derived from Microformats site. See:
http://microformats.org/wiki/hcard-singular-properties
"""
family_name = models.CharField(
_('Family Name'),
max_length=64,
blank=True,
help_text=_('Surname')
)
given_name = models.CharField(
_('Given Name'),
max_length=64,
blank=True,
help_text=_('Forename')
)
additional_name = models.CharField(
_('Additional Name(s)'),
max_length=128,
blank=True,
help_text=_('e.g. middle names')
)
honorific_prefix = models.CharField(
_('Honorific Prefix'),
max_length=32,
blank=True,
help_text=_('e.g. Dr, Professor etc')
)
honorific_suffix = models.CharField(
_('Honorific Suffix'),
max_length=32,
blank=True,
help_text=_('e.g. BA, MSc etc')
)
nickname = models.CharField(
_('Nickname'),
max_length=64,
blank=True,
help_text=_('For recording nickname, handle, username etc...')
)
# A person only has a single physical birthday (reincarnation cannot be
# scientifically substantiated and thus constitues the creation of a new
# directory object rather than the re-birth of an existing object, and
# being 'born again' is not the physical event that 'bday' represents).
# Thus 'bday' is singular.
bday = models.DateField(
_('Date of Birth'),
null=True,
blank=True
)
# A URL for the person or organization represented by this hCard
url = models.URLField(
_('URL'),
verify_exists=False,
blank=True,
help_text=_("e.g. http://www.company.com/")
)
# The tz property represents the contact's current timezone.
tz = models.CharField(
_('Timezone'),
max_length=8,
blank=True,
choices=TIMEZONE,
help_text=_("Hour(s) from GMT")
)
# Represents a photo/image/logo associated with an instance
image = models.ImageField(
upload_to='hcardphoto',
null=True,
blank=True
)
# The 'rev' property represents the datetime of the last revision
rev = models.DateTimeField(
_('Revision'),
auto_now=True,
help_text=_("Last revised on")
)
# Telephone numbers
tel_work = models.CharField(
_('Telephone (work)'),
max_length=64,
blank=True
)
tel_home = models.CharField(
_('Telephone (home)'),
max_length=64,
blank=True
)
tel_fax = models.CharField(
_('Fax'),
max_length=64,
blank=True
)
# Email
email_work = models.EmailField(
_('Email (work)'),
blank=True
)
email_home = models.EmailField(
_('Email (home)'),
blank = True
)
# Org related
org = models.CharField(
_('Organization'),
max_length=128,
blank=True
)
title = models.CharField(
_('Title'),
max_length=128,
blank=True,
help_text=_('The job title a person has within the specified'
' organization e.g. CEO, Vice President, Software Engineer')
)
role = models.CharField(
_('Role'),
max_length=256,
blank=True,
help_text=_("The role a person plays within the specified"\
" organization")
)
def n(self):
"""
Uses the values in honorific-prefix, given-name, additional-name,
family-name and honorific-suffix to build a name "n".
Ensures that *at least* given-name, additional-name and family-name
produce something useful.
Legal precedents afford a person a single given-name (with multiple
additional-name(s)) and single family-name, thus, only a single "n"
property is permitted.
"""
name = ' '.join((i for i in (
self.given_name,
self.additional_name,
self.family_name) if i.strip()))
if name:
return ' '.join((i for i in(
self.honorific_prefix,
name,
self.honorific_suffix) if i.strip()))
else:
return ''
def fn(self, is_org=False):
"""
Formatted Name
An entity has only one "best" / most preferred way of formatting their
name, and legally organizations have only a single name, thus "fn" is
singular.
"""
name = self.n()
if not name:
if org:
return org
else:
return _('None')
else:
return name
class Meta:
verbose_name = _('hCard')
verbose_name_plural = _('hCards')
def __unicode__(self):
return self.fn()
class hCalendar(LocationAwareMicroformat):
"""
Represents an hCalendar Microformat.
See:
http://microformats.org/wiki/hcalendar
hCalendar is a simple, open, distributed calendaring and events format,
based on the iCalendar standard (RFC2445), suitable for embedding in HTML or
XHTML, Atom, RSS, and arbitrary XML. hCalendar is one of several open
microformat standards.
"""
summary = models.CharField(
_('Summary'),
max_length=256
)
location = models.CharField(
_('Location'),
max_length=256,
blank=True
)
url = models.URLField(
_('URL'),
verify_exists=False,
blank=True
)
dtstart = models.DateTimeField(_('Start'))
dtend = models.DateTimeField(
_('End'),
null=True,
blank=True
)
all_day_event = models.BooleanField(
_('All day event'),
default=False
)
tz = models.CharField(
_('Timezone'),
max_length=8,
blank=True,
choices=TIMEZONE,
help_text=_("Hour(s) from GMT")
)
description = models.TextField(
_('Description'),
blank=True
)
attendees = models.ManyToManyField(
hCard,
related_name='attendees',
null=True,
blank=True
)
contacts = models.ManyToManyField(
hCard,
related_name='contacts',
null=True,
blank=True
)
organizers = models.ManyToManyField(
hCard,
related_name='organizers',
null=True,
blank=True
)
class Meta:
verbose_name = _('Event')
verbose_name_plural = _('Events')
def __unicode__(self):
return u"%s - %s"%(self.dtstart.strftime('%a %b %d %Y, %I:%M%p'),
self.summary)
class hListing(LocationAwareMicroformat):
"""
hListing is a proposal for an open, distributed listings (UK English:
small-ads; classifieds) format suitable for embedding in (X)HTML, Atom, RSS,
and arbitrary XML. hListing would be one of several microformats open
standards.
If hReview is about an item and what you think of it, hListing is about an
item and what you want to do with it.
For more information see:
http://microformats.org/wiki/hlisting-proposal
"""
LISTING_TYPE = (
('sell', _('To sell')),
('rent', _('For rent')),
('trade', _('To trade')),
('meet', _('Meetup')),
('announce', _('Announcement')),
('offer', _('On offer')),
('wanted', _('Is wanted')),
('event', _('Event')),
('service', _('Service')),
)
listing_action = models.CharField(
_('Listing Action'),
max_length=8,
choices=LISTING_TYPE,
help_text=_('The type of listing this is')
)
summary = models.TextField(
_("Summary"),
blank=True
)
description = models.TextField(
_("Description")
)
lister_fn = models.CharField(
_('Lister Name'),
max_length=128,
help_text=_('Name of the person / organization making the listing')
)
lister_email = models.EmailField(
_("Lister's Email"),
blank=True
)
lister_url = models.URLField(
_("Lister's URL"),
blank=True,
verify_exists=False
)
lister_tel = models.CharField(
_("Lister's Telephone Number"),
max_length=64,
blank=True
)
dtlisted = models.DateTimeField(
_("Listing starts on"),
null=True,
blank=True
)
dtexprired = models.DateTimeField(
_("Listing expires after"),
null=True,
blank=True
)
price = models.CharField(
_("Price"),
max_length=128,
blank=True
)
item_fn = models.CharField(
_('Item Name'),
max_length=128,
help_text=_('Name of the item / person / organization being listed')
)
item_url = models.URLField(
_("Item's URL"),
blank=True,
verify_exists=False
)
item_photo = models.ImageField(
_("A photo of the item"),
upload_to='hlistingphoto',
null=True,
blank=True
)
class Meta:
verbose_name = _('hListing')
verbose_name_plural = _('hListings')
def __unicode__(self):
return u"%s (%s: %s) - %s"%(self.item_fn,
self.get_listing_action_display(),
self.lister_fn,
self.description)
class hReview(LocationAwareMicroformat):
"""
hReview is a simple, open, distributed format, suitable for embedding
reviews (of products, services, businesses, events, etc.) in HTML, XHTML,
Atom, RSS, and arbitrary XML. hReview is one of several microformats open
standards.
For more information see:
http://microformats.org/wiki/hreview
(I've omitted the "version" field as I'm assuming version 0.2 of the hReview
microformat specification [or later]. See the URL referenced above for more
information.)
"""
ITEM_TYPE = (
('product', _('Product')),
('business', _('Business')),
('event', _('Event')),
('person', _('Person')),
('place', _('Place')),
('website', _('Website')),
('url', _('URL')),
('book', _('Book')),
('film', _('Film')),
('music', _('Music')),
('software', _('Software')),
)
RATINGS = (
(1, _('1')),
(2, _('2')),
(3, _('3')),
(4, _('4')),
(5, _('5')),
)
# This optional field serves as a title for the review itself.
summary = models.TextField(
_("Summary"),
blank=True,
help_text=_('To serve as a title for the review.')
)
# This optional field contains the full text representing the
# written opinion of the reviewer. The field may include valid HTML markup
# (e.g. paragraphs). User agents should preserve any markup. Multiple
# descriptions or section descriptions (e.g. pros and cons, plusses and
# minusses) should be included in the description field.
description = models.TextField(
_('Description'),
blank=True
)
# The rating is a fixed point integer (one decimal point of precision)
# from 1 to 5 inclusive indicating a rating for the item, higher
# indicating a better rating by default.
rating = models.IntegerField(
_('Rating'),
choices=RATINGS,
help_text=_('1 = worst, 5 = best')
)
# This optional field when present must provide an ISO8601
# absolute date time of when the review was written or otherwise authored.
dtreviewed = models.DateTimeField(
_('Date of Review'),
null=True,
blank=True
)
# The optional field specifies the person who authored the review.
# If the reviewer is specified, an hCard representing the reviewer must be
# provided. For anonymous reviews, use "anonymous" (without quotes) for the
# full name of the reviewer.
reviewer = models.CharField(
_('Reviewer Name'),
max_length=256,
default=_('Anonymous'),
help_text=_('Defaults to "Anonymous" if not supplied')
)
# This optional field "type" provides the type of the item being
# reviewed, one of the following: product, business, event, person, place,
# website, url.
# Nota Bene: I (ntoll) have added the following types to the choices list:
# book, film, music, software.
type = models.CharField(
_("Item Type"),
max_length=8,
choices=ITEM_TYPE,
help_text=_('The kind of thing this review is for')
)
# The rest of these fields allow the item being reviewed to be identified
# with hCard or hCalendar microformats.
# As this is also a location aware microformat you'll also be able to store
# the address or geo information of the thing being reviewed.
fn = models.CharField(
_('Item Name'),
max_length=256
)
url = models.URLField(
_('Item URL'),
blank=True,
verify_exists=True
)
tel = models.CharField(
_('Telephone'),
max_length=64,
blank=True
)
photo = models.ImageField(
upload_to='hreviewphoto',
null=True,
blank=True
)
dtstart = models.DateTimeField(
_('Start'),
null=True,
blank=True
)
dtend = models.DateTimeField(
_('End'),
null=True,
blank=True
)
all_day_event = models.BooleanField(
_('All day event'),
default=False
)
tz = models.CharField(
_('Timezone'),
max_length=8,
blank=True,
choices=TIMEZONE,
help_text=_("Hour(s) from GMT")
)
class Meta:
verbose_name = _('hReview')
verbose_name_plural = _('hReviews')
def __unicode__(self):
return u"%s: %s/5"%(self.fn, self.get_rating_display())
class geo(models.Model):
"""
Represents the geo microformat.
See:
http://microformats.org/wiki/geo
geo (pronounced "gee-oh") is a simple format for marking up WGS84 geographic
coordinates (latitude; longitude), suitable for embedding in HTML or XHTML,
Atom, RSS, and arbitrary XML. geo is a 1:1 representation of the "geo"
property in the vCard standard (RFC2426) in HTML, one of several open
microformat standards.
"""
latitude = models.FloatField(
_('Latitude'),
help_text=_(u'degrees decimal, e.g. 37.408183 (±90)')
)
latitude_description = models.CharField(
_('Latitude description'),
max_length=32,
help_text=_(u'e.g. N 37° 24.491'),
blank=True
)
longitude = models.FloatField(
_('Longitude'),
help_text=_(u'degrees decimal, e.g. -122.13855 (±180)')
)
longitude_description = models.CharField(
_('Longitude description'),
max_length=32,
help_text=_(u'e.g. W 122° 08.313'),
blank=True
)
class Meta:
verbose_name = _('Geolocation')
verbose_name_plural = _('Geolocations')
def __unicode__(self):
return ' '.join((
'lat',
str(self.latitude),
'long',
str(self.longitude)
))