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116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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"""printer.models
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Models of the printer application
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Author : Maxime Bombar <bombar@crans.org>.
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Date : 29/06/2018
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"""
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from __future__ import unicode_literals
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from django.db import models
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from django.forms import ValidationError
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from django.utils.translation import ugettext_lazy as _
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from django.template.defaultfilters import filesizeformat
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from re2o.mixins import RevMixin
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import users.models
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from .validators import (
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FileValidator,
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)
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from .settings import (
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MAX_PRINTFILE_SIZE,
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ALLOWED_TYPES,
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)
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"""
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- ```user_printing_path``` is a function that returns the path of the uploaded file, used with the FileField.
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- ```Job``` is the main model of a printer job. His parent is the ```user``` model.
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"""
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def user_printing_path(instance, filename):
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# File will be uploaded to MEDIA_ROOT/printings/user_<id>/<filename>
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return 'printings/user_{0}/{1}'.format(instance.user.id, filename)
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class JobWithOptions(RevMixin, models.Model):
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"""
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This is the main model of printer application :
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- ```user``` is a ForeignKey to the User Application
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- ```file``` is the file to print
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- ```starttime``` is the time when the job was launched
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- ```endtime``` is the time when the job was stopped.
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A job is stopped when it is either finished or cancelled.
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- ```status``` can be running, finished or cancelled.
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- ```club``` is blank in general. If the job was launched as a club then
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it is the id of the club.
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- ```price``` is the total price of this printing.
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Printing Options :
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- ```format``` is the paper format. Example: A4.
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- ```color``` is the colorization option. Either Color or Greyscale.
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- ```disposition``` is the paper disposition.
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- ```count``` is the number of copies to be printed.
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- ```stapling``` is the stapling options.
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- ```perforations``` is the perforation options.
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Parent class : User
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"""
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STATUS_AVAILABLE = (
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('Printable', 'Printable'),
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('Running', 'Running'),
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('Cancelled', 'Cancelled'),
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('Finished', 'Finished')
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)
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user = models.ForeignKey('users.User', on_delete=models.PROTECT)
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file = models.FileField(upload_to=user_printing_path, validators=[FileValidator(allowed_types=ALLOWED_TYPES, max_size=MAX_PRINTFILE_SIZE)])
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starttime = models.DateTimeField(auto_now_add=True)
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endtime = models.DateTimeField(null=True)
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status = models.CharField(max_length=255, choices=STATUS_AVAILABLE)
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printAs = models.ForeignKey('users.User', on_delete=models.PROTECT, related_name='print_as_user', null=True)
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price = models.IntegerField(default=0)
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FORMAT_AVAILABLE = (
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('A4', 'A4'),
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('A3', 'A4'),
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)
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COLOR_CHOICES = (
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('Greyscale', 'Greyscale'),
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('Color', 'Color')
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)
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DISPOSITIONS_AVAILABLE = (
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('TwoSided', 'Two sided'),
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('OneSided', 'One sided'),
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('Booklet', 'Booklet')
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)
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STAPLING_OPTIONS = (
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('None', 'None'),
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('TopLeft', 'One top left'),
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('TopRight', 'One top right'),
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('LeftSided', 'Two left sided'),
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('RightSided', 'Two right sided')
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)
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PERFORATION_OPTIONS = (
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('None', 'None'),
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('TwoLeftSidedHoles', 'Two left sided holes'),
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('TwoRightSidedHoles', 'Two right sided holes'),
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('TwoTopHoles', 'Two top holes'),
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('TwoBottomHoles', 'Two bottom holes'),
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('FourLeftSidedHoles', 'Four left sided holes'),
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('FourRightSidedHoles', 'Four right sided holes')
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)
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format = models.CharField(max_length=255, choices=FORMAT_AVAILABLE, default='A4')
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color = models.CharField(max_length=255, choices=COLOR_CHOICES, default='Greyscale')
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disposition = models.CharField(max_length=255, choices=DISPOSITIONS_AVAILABLE, default='TwoSided')
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count = models.PositiveIntegerField(default=1)
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stapling = models.CharField(max_length=255, choices=STAPLING_OPTIONS, default='None')
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perforation = models.CharField(max_length=255, choices=PERFORATION_OPTIONS, default='None')
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