119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
from __future__ import unicode_literals
|
|
|
|
import os
|
|
from io import BytesIO
|
|
|
|
from PIL import Image
|
|
from django.conf import settings
|
|
from django.contrib.auth.models import User
|
|
from django.core.files.uploadedfile import SimpleUploadedFile
|
|
from django.db import models
|
|
from django.utils import timezone
|
|
from django.utils.encoding import smart_text
|
|
|
|
MAX_LENGTH = 256
|
|
|
|
|
|
# Create your models here.
|
|
class Menu(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
date = models.DateField(default=timezone.now)
|
|
location = models.CharField(max_length=MAX_LENGTH)
|
|
menu = models.ManyToManyField("SingleFood", related_name="foods")
|
|
|
|
class Meta:
|
|
unique_together = ('date', 'location')
|
|
|
|
def __str__(self):
|
|
return "Date: %s, Location: %s" % (self.date.strftime("%d.%m.%Y"), self.location)
|
|
|
|
|
|
class SingleFood(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
name = models.CharField(unique=True, max_length=MAX_LENGTH)
|
|
price_student = models.CharField(max_length=10, blank=True, null=True)
|
|
price_employee = models.CharField(max_length=10, blank=True, null=True)
|
|
price_guest = models.CharField(max_length=10, blank=True, null=True)
|
|
image = models.ManyToManyField("UserFoodImage", blank=True, null=True)
|
|
rating = models.FloatField(default=0)
|
|
allergens = models.ManyToManyField("Allergene", blank=True)
|
|
|
|
def __str__(self):
|
|
return "%s - Rating: %f - Student Price: %s" % (self.name, self.rating, self.price_student)
|
|
|
|
|
|
class Allergene(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
name = models.CharField(unique=True, max_length=MAX_LENGTH)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class HappyHour(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
date = models.DateField(default=timezone.now)
|
|
starttime = models.TimeField(default=timezone.now)
|
|
endtime = models.TimeField(default=timezone.now)
|
|
location = models.CharField(max_length=MAX_LENGTH)
|
|
description = models.CharField(max_length=MAX_LENGTH)
|
|
|
|
class Meta:
|
|
# TODO: unique description instead of date
|
|
unique_together = ('date', 'location', 'starttime', 'endtime')
|
|
|
|
def __str__(self):
|
|
return "Date: %s, Location: %s" % (self.date.strftime("%Y.%m.%d"), self.location)
|
|
|
|
|
|
class UserRating(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
user = models.ForeignKey(User, on_delete=models.PROTECT, unique=False)
|
|
food = models.ForeignKey(SingleFood, on_delete=models.PROTECT)
|
|
rating = models.FloatField(default=0)
|
|
|
|
def __str__(self):
|
|
return "User: %s - Rating: %s" % (self.user.username, self.rating)
|
|
|
|
|
|
class UserFoodImage(models.Model):
|
|
id = models.AutoField(primary_key=True)
|
|
user = models.ForeignKey(User, on_delete=models.PROTECT, unique=False)
|
|
food = models.ForeignKey(SingleFood, on_delete=models.PROTECT)
|
|
image = models.ImageField(upload_to='food/originals/%Y/%m/%W', blank=True)
|
|
thumb = models.ImageField(upload_to='food/thumbs/%Y/%m/%W', blank=True)
|
|
|
|
class Meta:
|
|
unique_together = ('user', 'food')
|
|
|
|
def __str__(self):
|
|
return "User: %s - Image: %s" % (self.user.username, str(self.image))
|
|
|
|
def save(self, force_update=False, force_insert=False, thumb_size=(640, 480)):
|
|
image = Image.open(self.image)
|
|
|
|
if image.mode not in ('L', 'RGB'):
|
|
image = image.convert('RGB')
|
|
image.thumbnail(thumb_size, Image.ANTIALIAS)
|
|
|
|
# save the thumbnail to memory
|
|
temp_handle = BytesIO()
|
|
image.save(temp_handle, 'jpeg')
|
|
temp_handle.seek(0) # rewind the file
|
|
|
|
# save to the thumbnail field
|
|
suf = SimpleUploadedFile(os.path.split(self.image.name)[-1],
|
|
temp_handle.read(),
|
|
content_type='image/jpg')
|
|
str_food = smart_text(self.food.name, encoding='utf-8')
|
|
self.thumb.save('%s_%s_thumbnail.%s' % (str_food, self.user.username, 'jpg'), suf, save=False)
|
|
# save the image object
|
|
self.image.name = "%s_%s_original.%s" % (str_food, self.user.username, 'jpg')
|
|
super(UserFoodImage, self).save(force_update, force_insert)
|
|
|
|
def delete(self, using=None, keep_parents=False):
|
|
os.remove(os.path.join(settings.MEDIA_ROOT, self.image.name))
|
|
os.remove(os.path.join(settings.MEDIA_ROOT, self.thumb.name))
|
|
super(UserFoodImage, self).delete()
|