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[Printer] Upload file to print and manages options

This commit is contained in:
Maxime Bombar 2018-09-08 12:46:52 +02:00 committed by root
parent 32b668ac85
commit d44db64da1
11 changed files with 294 additions and 22 deletions

0
printer/__init__.py Normal file
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@ -25,13 +25,43 @@ class JobWithOptionsForm(FormRevMixin, ModelForm):
def __init__(self, *args, **kwargs):
prefix = kwargs.pop('prefix', self.Meta.model.__name__)
super(JobWithOptionsForm, self).__init__(*args, prefix=prefix, **kwargs)
self.fields['printAs'].label = 'Print As'
self.fields['printAs'].empty_label = 'Print As'
self.fields['disposition'].label = 'disposition'
self.fields['color'].label = 'color'
self.fields['count'].label = 'count'
class Meta:
model = JobWithOptions
fields = [
'file',
'printAs',
'color',
'disposition',
'count',
]
class PrintForm(FormRevMixin, ModelForm):
def __init__(self, *args, **kwargs):
prefix = kwargs.pop('prefix', self.Meta.model.__name__)
super(PrintForm, self).__init__(*args, prefix=prefix, **kwargs)
self.fields['printAs'].label = 'Print As'
self.fields['disposition'].label = 'disposition'
self.fields['color'].label = 'color'
self.fields['count'].label = 'count'
self.fields['printAs'].widget.attrs['readonly'] = True
self.fields['filename'].widget.attrs['readonly'] = True
self.fields['price'].widget.attrs['readonly'] = True
self.fields['pages'].widget.attrs['readonly'] = True
class Meta:
model = JobWithOptions
exclude = [
'user',
'starttime',
'endtime',
'status',
'file',
]

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@ -0,0 +1,32 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2018-09-07 14:07
from __future__ import unicode_literals
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
('printer', '0003_auto_20180803_0854'),
]
operations = [
migrations.AddField(
model_name='jobwithoptions',
name='pages',
field=models.IntegerField(default=0),
),
migrations.AlterField(
model_name='jobwithoptions',
name='format',
field=models.CharField(choices=[('A4', 'A4'), ('A3', 'A3')], default='A4', max_length=255),
),
migrations.AlterField(
model_name='jobwithoptions',
name='printAs',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='print_as_user', to=settings.AUTH_USER_MODEL),
),
]

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@ -0,0 +1,20 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2018-09-08 08:52
from __future__ import unicode_literals
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('printer', '0004_auto_20180907_1607'),
]
operations = [
migrations.AddField(
model_name='jobwithoptions',
name='filename',
field=models.CharField(max_length=255, null=True),
),
]

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@ -3,7 +3,6 @@
"""printer.models
Models of the printer application
Author : Maxime Bombar <bombar@crans.org>.
Date : 29/06/2018
"""
from __future__ import unicode_literals
@ -44,6 +43,7 @@ class JobWithOptions(RevMixin, models.Model):
- ```user``` is a ForeignKey to the User Application
- ```file``` is the file to print
- ```filename``` is the name of the file to print
- ```starttime``` is the time when the job was launched
- ```endtime``` is the time when the job was stopped.
A job is stopped when it is either finished or cancelled.
@ -72,15 +72,16 @@ class JobWithOptions(RevMixin, models.Model):
)
user = models.ForeignKey('users.User', on_delete=models.PROTECT)
file = models.FileField(upload_to=user_printing_path, validators=[FileValidator(allowed_types=ALLOWED_TYPES, max_size=MAX_PRINTFILE_SIZE)])
filename = models.CharField(max_length=255,null=True)
starttime = models.DateTimeField(auto_now_add=True)
endtime = models.DateTimeField(null=True)
status = models.CharField(max_length=255, choices=STATUS_AVAILABLE)
printAs = models.ForeignKey('users.User', on_delete=models.PROTECT, related_name='print_as_user', null=True)
printAs = models.ForeignKey('users.User', on_delete=models.PROTECT, related_name='print_as_user', blank=True, null=True)
price = models.IntegerField(default=0)
pages = models.IntegerField(default=0)
FORMAT_AVAILABLE = (
('A4', 'A4'),
('A3', 'A4'),
('A3', 'A3'),
)
COLOR_CHOICES = (
('Greyscale', 'Greyscale'),
@ -114,3 +115,7 @@ class JobWithOptions(RevMixin, models.Model):
count = models.PositiveIntegerField(default=1)
stapling = models.CharField(max_length=255, choices=STAPLING_OPTIONS, default='None')
perforation = models.CharField(max_length=255, choices=PERFORATION_OPTIONS, default='None')
def _update_price(self):
self.price = 0

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@ -16,7 +16,7 @@
<div id="form_set" class="form-group">
{% for job in jobform.forms %}
<div class='file_to_print form-inline'>
{% bootstrap_form job label_class='sr-only' %}
{% massive_bootstrap_form job "" label_class='sr-only' %}
<button class="btn btn-danger btn-sm" id="id_form-0-job-remove" type="button">
<span class="fa fa-times"></span>
</button>
@ -24,7 +24,7 @@
{% endfor %}
</div>
<input class="btn btn-primary btn-sm" role="button" value="{% trans "Add a file"%}" id="add_one">
{% bootstrap_button action_name button_type="submit" icon="star" %}
{% bootstrap_button action_name name="options" button_type="submit" icon="star" %}
</form>
<script type="text/javascript">

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@ -0,0 +1,84 @@
{% extends "base.html" %}
{% load staticfiles %}
{% load i18n %}
{% load bootstrap3 %}
{% load massive_bootstrap_form %}
{% load static %}
{% block title %}Printing interface{% endblock %}
{% block content %}
<form class="form" method="post" enctype="multipart/form-data">
{% csrf_token %}
<h3>{% trans "Confirm printing" %}</h3>
{{ jobform.management_form }}
{% bootstrap_formset_errors jobform %}
<div id="form_set" class="form-group">
{% for job in jobform.forms %}
<div class='file_to_print form-inline'>
{% massive_bootstrap_form job "" label_class='sr-only' %}
</div>
{% endfor %}
</div>
<!-- <input class="btn btn-primary btn-sm" role="button" value="{% trans "Add a file"%}" id="add_one"> -->
{% bootstrap_button action_name name="options" button_type="submit" icon="star" %}
</form>
<!-- <script type="text/javascript"> -->
<!-- var template = `{% bootstrap_form jobform.empty_form label_class='sr-only' %} -->
<!-- <button class="btn btn-danger btn-sm" -->
<!-- id="id_form-__prefix__-job-remove" type="button"> -->
<!-- <span class="fa fa-times"></span> -->
<!-- </button>` -->
<!-- function add_job() { -->
<!-- var new_index = -->
<!-- document.getElementsByClassName('file_to_print').length; -->
<!-- document.getElementById('id_form-TOTAL_FORMS').value ++; -->
<!-- var new_job = document.createElement('div'); -->
<!-- new_job.className = 'file_to_print form-inline'; -->
<!-- new_job.innerHTML = template.replace(/__prefix__/g, new_index); -->
<!-- document.getElementById('form_set').appendChild(new_job); -->
<!-- add_listener_for_id(new_index); -->
<!-- } -->
<!-- function del_job(event){ -->
<!-- var job = event.target.parentNode; -->
<!-- job.parentNode.removeChild(job); -->
<!-- document.getElementById('id_form-TOTAL_FORMS').value --; -->
<!-- } -->
<!-- function add_listener_for_id(i){ -->
<!-- document.getElementById('id_form-' + i.toString() + '-job-remove') -->
<!-- .addEventListener("click", function(event){ -->
<!-- var job = event.target.parentNode; -->
<!-- job.parentNode.removeChild(job); -->
<!-- document.getElementById('id_form-TOTAL_FORMS').value --; -->
<!-- } -->
<!-- ) -->
<!-- } -->
<!-- // Add events manager when DOM is fully loaded -->
<!-- document.addEventListener( -->
<!-- "DOMContentLoaded", -->
<!-- function() { -->
<!-- document.getElementById("add_one") -->
<!-- .addEventListener("click", add_job, true); -->
<!-- document.getElementById('id_form-0-job-remove') -->
<!-- .addEventListener("click", function(event){ -->
<!-- var job = event.target.parentNode; -->
<!-- job.parentNode.removeChild(job); -->
<!-- document.getElementById('id_form-TOTAL_FORMS').value --; -->
<!-- } -->
<!-- ) -->
<!-- } -->
<!-- ); -->
<!-- </script> -->
{% endblock %}

28
printer/utils.py Normal file
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@ -0,0 +1,28 @@
import subprocess
def pdfinfo(file_path):
"""
Uses pdfinfo to extract the PDF meta information.
Returns metainfo in a dictionary.
requires poppler-utils
"""
def _extract(row):
"""Extracts the right hand value from a : delimited row"""
row=row.decode()
return row.split(':', 1)[1].strip()
output = {}
labels = ['Title', 'Author', 'Creator', 'Producer', 'CreationDate', 'ModDate',
'Tagged', 'Pages', 'Encrypted', 'Page size',
'File size', 'Optimized', 'PDF version']
cmd_output = subprocess.check_output(['/usr/bin/pdfinfo', file_path])
for line in cmd_output.splitlines():
for label in labels:
if label in line.decode():
output[label] = _extract(line)
return output

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@ -4,7 +4,6 @@
"""printer.validators
Custom validators useful for printer application.
Author : Maxime Bombar <bombar@crans.org>.
Date : 29/06/2018
"""

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@ -2,7 +2,6 @@
"""printer.views
The views for the printer app
Author : Maxime Bombar <bombar@crans.org>.
Date : 29/06/2018
"""
from __future__ import unicode_literals
@ -10,6 +9,7 @@ from __future__ import unicode_literals
from django.urls import reverse
from django.shortcuts import render, redirect
from django.forms import modelformset_factory, formset_factory
from django.forms.models import model_to_dict
from django.contrib.auth.decorators import login_required
from re2o.views import form
@ -17,31 +17,105 @@ from users.models import User
from . import settings
from .utils import pdfinfo
from .models import (
JobWithOptions,
)
from .forms import (
JobWithOptionsForm,
PrintForm,
)
from django.core.exceptions import ValidationError
@login_required
def new_job(request):
"""
View to create a new printing job
"""
job_formset = formset_factory(JobWithOptionsForm)(
request.POST or None, request.FILES or None,
)
if job_formset.is_valid():
for job in job_formset:
job = job.save(commit=False)
job.user=request.user
job.status='Printable'
job.save()
return redirect(reverse(
'printer:success',
))
if request.method == 'POST':
if request.FILES:
job_formset = formset_factory(JobWithOptionsForm)(
request.POST,
request.FILES,
)
if job_formset.is_valid():
files = request.FILES
data = []
i=0
for job in job_formset:
# raise ValidationError("'%(path)s'", code='path', params = {'path': job.cleaned_data["file"].name})
filename = job.cleaned_data['file'].name
job = job.save(commit=False)
job.filename = filename
job.user=request.user
job.status='Printable'
# raise
# raise ValidationError("'%(path)s'", code='path', params = {'path': request.FILES['form-%s-file' % i].temporary_file_path()})
metadata = pdfinfo(request.FILES['form-%s-file' % i].temporary_file_path())
job.pages = metadata["Pages"]
# raise ValidationError("'%(path)s'", code='path', params = {'path': type(job)})
# job.save()
# job_data = model_to_dict(job)
# job_data['file'] = request.FILES['form-%s-file' % i]
# raise ValidationError("'%(plop)s'", code='plop', params = {'plop': job_data })
# raise ValidationError("'%(path)s'", code='path', params = {'path': request.session })
job._update_price()
job.save()
job_data = model_to_dict(job)
request.session['id-form-%s-file' % i] = job.id
request.session['form-%s-file' % i] = request.FILES['form-%s-file' % i].temporary_file_path()
# raise ValidationError("'%(plop)s'", code='plop', params = {'plop': job_data })
data.append(job_data)
i+=1
job_formset_filled_in = formset_factory(PrintForm, extra=0)(initial=data)
return form(
{
'jobform': job_formset_filled_in,
'action_name' : 'Print',
},
'printer/print.html',
request
)
# elif 'Print' in request.POST:
# raise ValidationError("'%(path)s'", code='path', params = {'path': request.POST })
# raise Exception('On a déjà upload !')
n = int(request.POST['form-TOTAL_FORMS'])
job_formset = formset_factory(PrintForm)(
request.POST,
)
id_list = [request.session['id-form-%s-file' % i] for i in range(n)]
# raise ValidationError("'%(path)s'", code='path', params = {'path': id_list })
if job_formset.is_valid():
for job_obj in job_formset:
i=0
old_job = JobWithOptions.objects.get(id=id_list[i])
job = job_obj.save(commit=False)
job.user = request.user
job.status = 'Running'
job.file = old_job.file
job.save()
i+=1
# raise ValidationError("'%(plop)s'", code='plop', params = {'plop': request.method})
# raise ValidationError("'%(path)s'", code='path', params = {'path': str(n) })
return redirect(reverse(
'printer:success',
))
raise Exception("Invalid Job_formset")
else:
job_formset = formset_factory(JobWithOptionsForm)(
None,
)
return form(
{
'jobform': job_formset,
'action_name': "Print",
'action_name': "Advanced Options",
},
'printer/newjob.html',
request