old_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  
  ORDER_STATUS_CHOICES = (
      (_('ordered'), 1),
      (_('delivered'), 2),
      (_('no_charge'), 3),
      (_('paid'), 4),
  )
  
  ORDERITEM_TYPE_CHOICES = (
      (_('half'), 1),
      (_('regular'), 2),
      (_('double'), 3),
  )
  
  
  class Order(models.Model):
  
      class Meta:
          verbose_name_plural = _('orders')
  
      # Order information
      order_date = models.DateField(
          verbose_name=_('date')
      )
  
      type = models.CharField(
          max_length=100,
          choices=ORDER_STATUS_CHOICES,
          verbose_name=_('order_status')
      )
  
      value = models.CharField(
          max_length=20,
          verbose_name=_('value')
      )
  
      client = models.ForeignKey(
          'member.Client',
          verbose_name=_('client')
      )
  
      order_items = models.ManyToManyField(
          'order.OrderItem',
          related_name='order_items'
      )
  
  
  class OrderItem(models.Model):
  
      class Meta:
          verbose_name_plural = _('order_items')
  
      # Foreign Key to meal to get information
      meal = models.ForeignKey(
          'meal.Meal',
          verbose_name=_('meal')
      )
  
      price = models.DecimalField(
          max_digits=6,
          decimal_places=2
      )
  
new_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  
  ORDER_STATUS_CHOICES = (
      (_('ordered'), 1),
      (_('delivered'), 2),
      (_('no_charge'), 3),
      (_('paid'), 4),
  )
  
  ORDERITEM_TYPE_CHOICES = (
      (_('half'), 1),
      (_('regular'), 2),
      (_('double'), 3),
  )
  
  
  class Order(models.Model):
  
      class Meta:
          verbose_name_plural = _('orders')
  
      # Order information
      creation_date = models.DateField(
          verbose_name=_('date')
      )
  
      type = models.CharField(
          max_length=100,
          choices=ORDER_STATUS_CHOICES,
          verbose_name=_('order_status')
      )
  
      value = models.CharField(
          max_length=20,
          verbose_name=_('value')
      )
  
      client = models.ForeignKey(
          'member.Client',
          verbose_name=_('client')
      )
  
      order_items = models.ManyToManyField(
          'order.OrderItem',
          related_name='order_items'
      )
  
  
  class OrderItem(models.Model):
  
      class Meta:
          verbose_name_plural = _('order_items')
  
      # Foreign Key to meal to get information
      meal = models.ForeignKey(
          'meal.Meal',
          verbose_name=_('meal')
      )
  
      price = models.DecimalField(
          max_digits=6,
          decimal_places=2,
          verbose_name=_('price')
      )
  
subject: change field name on order model