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# -*- coding: utf-8 -*-
from django.db import models
from django.db.models import Q
from django.contrib.auth.models import BaseUserManager, AbstractBaseUser, PermissionsMixin
from django.core.mail import send_mail
from django.utils import timezone
from django.utils.translation import ugettext as _
from django.db.models.signals import post_save
from django.db.models.loading import get_model
from functions.form_check import translit_with_separator
class UserManager(BaseUserManager):
"""
Creates and saves a User with the given email, first_name, last_name and password.
"""
def create_user(self, email, first_name, last_name, password=None, **extra_fields):
now = timezone.now()
if not email:
raise ValueError('Вы должни ввести электронную почту')
user = self.model(
email=UserManager.normalize_email(email),
first_name=first_name,last_name = last_name,
username=UserManager.normalize_email(email),
is_staff=False, is_active=False, is_superuser=False,
last_login=now, date_joined=now, **extra_fields
)
user.set_password(password)
user.save(using=self._db)
return user
def create_superuser(self, username, first_name, last_name, password, **extra_fields):
if not username:
raise ValueError('Вы должни ввести электронную почту')
username = UserManager.normalize_email(username)
user = self.create_user(
email=username,
first_name=first_name, last_name=last_name,
password=password, **extra_fields
)
user.is_staff = True
user.is_active = True
user.is_superuser = True
user.is_admin = True
user.save(using=self._db)
return user
def safe_get(self, **kwargs):
model = self.model
try:
return model.objects.get(**kwargs)
except:
return None
class User(AbstractBaseUser, PermissionsMixin):
"""
Implementing a fully featured User model with
admin-compliant permissions.
stored main data about users
Email, first name, last name and password are required. Other fields are optional.
"""
catalog = '/user/'
email = models.EmailField(
verbose_name=u'Email',
max_length=255,
#unique = True,
db_index=True,
)
username = models.CharField(verbose_name='Email', max_length=255, unique=True, db_index=True)
first_name = models.CharField(verbose_name=_(u'First name'), max_length=255)
last_name = models.CharField(verbose_name=_(u'Last name'), max_length=255)
rating = models.IntegerField(verbose_name=_(u'Рейтинг'), default=100)# добавить индекс в базе
url = models.SlugField(verbose_name=_(u'Url'), blank=True)
is_active = models.BooleanField(verbose_name=_(u'Активный'), default=0)
is_staff = models.BooleanField(verbose_name=_(u'Сотрудник?'), default=0)
is_admin = models.BooleanField(verbose_name=_(u'Админ?'), default=0)
date_joined = models.DateTimeField(verbose_name=_(u'Дата создания'), auto_now_add=True)
date_registered = models.DateTimeField(verbose_name=_(u'Дата регистрации'), blank=True, null=True)
date_modified = models.DateTimeField(verbose_name=_(u'Изменен'), auto_now=True)
#relations
organiser = models.ForeignKey('organiser.Organiser', verbose_name='Организатор', blank=True, null=True,
unique=True,
on_delete=models.PROTECT)
translator = models.ForeignKey('translator.Translator', verbose_name='Переводчик', blank=True, null=True,
unique=True,
on_delete=models.PROTECT, related_name='user')
company = models.ForeignKey('company.Company', verbose_name=_(u'Компания'), blank=True, null=True,
related_name='users')
position = models.CharField(verbose_name='Должность', max_length=255, blank=True)
objects = UserManager()
USERNAME_FIELD = 'username'
REQUIRED_FIELDS = ['first_name', 'last_name']
class Meta:
ordering = ['-rating']
def get_full_name(self):
"""
Returns the first_name plus the last_name, with a space in between.
"""
return u'%s %s'%(self.first_name, self.last_name)
def set_url(self, st):
self.url = translit_with_separator(u'%s'%st)
def __unicode__(self):
return self.email
def get_short_name(self):
"""Returns the short name for the user."""
return self.first_name
def email_user(self, subject, message, from_email=None):
"""
Sends an email to this User.
"""
send_mail(subject, message, from_email, [self.email])
def has_perm(self, perm, obj=None):
return True
def has_module_perms(self, app_label):
return True
def get_expositions_number(self):
# 1 query
return self.exposition_users.all().count()
def get_conferences_number(self):
# 1 query
return self.conference_users.all().count()
def get_seminars_number(self):
# 1 query
return self.seminar_users.all().count()
def get_webinars_number(self):
# 1 query
return self.webinar_users.all().count()
def get_events_number(self):
# 4 query
n = self.get_expositions_number() + self.get_conferences_number() + self.get_seminars_number() + self.get_webinars_number()
return n
def get_permanent_url(self):
if self.url:
return '/%s/' % self.url
return '/%d/' % self.id
def get_expos(self):
"""
return information about expos and them related data by 1 query(reverse connection)
"""
return self.exposition_users.language().select_related('country', 'city', 'place').all()
def get_confs(self):
"""
return information about confs and them related data by 1 query(reverse connection)
"""
return self.conference_users.language().select_related('country', 'city', 'place').all()
def remove_from_calendar(self, data):
expo = data['expo']
conf = data['conf']
calendar = self.calendar
if expo:
calendar.expositions.remove(*expo)
if conf:
calendar.conferences.remove(*conf)
class Profile(models.Model):
"""
stores additional information about users
"""
user = models.OneToOneField(User)
country = models.ForeignKey('country.Country', verbose_name=_(u'Страна'), blank=True, null=True,
on_delete=models.PROTECT, related_name='users')
city = models.ForeignKey('city.City', verbose_name=_(u'Город'), blank=True, null=True,
on_delete=models.PROTECT)
about_company = models.TextField(verbose_name=_(u'Описание компании'), blank=True)
phone = models.BigIntegerField(verbose_name=_(u'Телефон'), blank=True, null=True)
show_phone = models.NullBooleanField(verbose_name=_(u'Показывать телефон'), blank=True, null=True, default=1)
web_page = models.URLField(verbose_name=_(u'Вебсайт'),blank=True)
about = models.TextField(verbose_name=_(u'О себе'), blank=True)
avatar = models.ImageField(verbose_name=_(u'Фото'), upload_to='accounts/avatar/', blank=True)
skype = models.CharField(verbose_name=_(u'Skype'), blank=True, max_length=255)
facebook = models.URLField(verbose_name=_(u'Facebook'), blank=True, max_length=255)
twitter = models.URLField(verbose_name=_(u'Twitter'), blank=True,max_length=255)
linkedin = models.URLField(verbose_name=_(u'LinkedIn'), blank=True, max_length=255)
vk = models.URLField(verbose_name=_(u'В контакте'), blank=True, max_length=255)
# meta
title = models.CharField(max_length=255, blank=True)
descriptions = models.CharField(max_length=255, blank=True)
keywords = models.CharField(max_length=255, blank=True)
class Calendar(models.Model):
"""
Store information about events, which user can add to own calendar
every user has one calendar
"""
user = models.OneToOneField(User)
expositions = models.ManyToManyField('exposition.Exposition', verbose_name=_(u'Выставки'), null=True)
conferences = models.ManyToManyField('conference.Conference', verbose_name=_(u'Конфеернции'), null=True)
seminars = models.ManyToManyField('seminar.Seminar', verbose_name=_(u'Семинары'), null=True)
webinars = models.ManyToManyField('webinar.Webinar', verbose_name=_(u'Вебинары'), null=True)
def get_expos(self):
# 1 query
return list(self.expositions.language().all())
def get_confs(self):
# 1 query
return list(self.conferences.language().all())
def get_seminars(self):
# 1 query
return list(self.seminars.language().all())
def get_webinars(self):
# 1 query
return list(self.webinars.language().all())
def get_events(self):
# 4 query
events = self.get_expos() + self.get_confs() + self.get_seminars() + self.get_webinars()
return events
def check_in_calendar(self, event):
"""
check if event in calendar
1 query
"""
event_type = event.event_type
if event_type == 'expo':
return event in self.get_expos()
elif event_type == 'conf':
return event in self.get_confs()
elif event_type == 'seminar':
return event in self.get_seminars()
elif event_type == 'webinar':
return event in self.get_webinars()
def events_by_month(self, day):
exp = list(self.expositions.filter((Q(data_begin__month=day.month) & Q(data_begin__year=day.year))\
| (Q(data_end__month=day.month) & Q(data_end__year=day.year))))
con = list(self.conferences.filter((Q(data_begin__month=day.month) & Q(data_begin__year=day.year))\
| (Q(data_end__month=day.month) & Q(data_end__year=day.year))))
sem = list(self.seminars.filter((Q(data_begin__month=day.month) & Q(data_begin__year=day.year))\
| (Q(data_end__month=day.month) & Q(data_end__year=day.year))))
web = list(self.webinars.filter(Q(data_begin__month=day.month)&Q(data_begin__year=day.year)))
return exp+con+sem+web
class EventFilter(models.Model):
user = models.OneToOneField(User)
theme = models.ManyToManyField('theme.Theme', verbose_name=_(u'Тематики'), null=True)
tag = models.ManyToManyField('theme.Tag', verbose_name=_(u'Теги'), null=True)
area = models.ManyToManyField('country.Area', verbose_name=_(u'Геограифческие зоны'), null=True)
country = models.ManyToManyField('country.Country', verbose_name=_(u'Страны'), null=True)
city = models.ManyToManyField('city.City', verbose_name=_(u'Города'), null=True)
fr = models.DateField(blank=True, verbose_name=_(u'с'), null=True)
to = models.DateField(blank=True, verbose_name=_(u'до'), null=True)
def get_queryset(self):
"""
get filtered queryset
"""
Exposition = get_model('exposition', 'Exposition')
qs = Exposition.enable.upcoming()
themes = self.theme.all()
tags = self.tag.all()
countries = self.country.all()
areas = self.area.all()
cities = self.city.all()
if themes.exists():
qs = qs.filter(theme__in=set(themes))
if tags.exists():
qs = qs.filter(tag__in=set(tags))
if cities.exists():
qs = qs.filter(city__in=set(cities))
if areas.exists():
qs = qs.filter(country__area__in=set(areas))
if countries.exists():
qs = qs.filter(country__in=set(countries))
return qs.order_by('data_begin').distinct()
def calculate_rating(user):
"""
calculates user rating depending og user filled information
calls in post save signal of profile model
"""
user_rating_fields = {'position': 5, 'company': 5, 'url': 10}
profile_rating_fields = {'country': 5, 'city': 5, 'phone': 10, 'facebook': 5, 'twitter': 5, 'linkedin': 5, 'vk': 5,
'web_page': 10, 'avatar': 20, 'about': 15}
'''
TODO: доделать "Отметки на выставках, за каждую", "Подписка на рассылку", "Добавление фото, за каждую",
"Добавление компании, за каждую опубликованную"
'''
# base rating
rating = 100
for key, value in user_rating_fields.iteritems():
if getattr(user, key):
rating += value
for key, value in profile_rating_fields.iteritems():
if getattr(user.profile, key):
rating += value
user.rating = rating
# call to prevent recursion
post_save.disconnect(create_user_inf, sender=User)
user.save()
post_save.connect(create_user_inf, sender=User)
def create_user_inf(sender, instance, created, **kwargs):
"""
create default models that is required for users
"""
if created:
Calendar.objects.create(user=instance)
Profile.objects.create(user=instance)
EventFilter.objects.create(user=instance)
calculate_rating(instance)
def post_profile(sender, instance, created, **kwargs):
user = instance.user
calculate_rating(user)
post_save.connect(create_user_inf, sender=User)
post_save.connect(post_profile, sender=Profile)