[Printer] Upload file to print and manages options

printer/forms.py

@@ -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',
+            ]

printer/migrations/0004_auto_20180907_1607.py

@@ -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),
+        ),
+    ]

printer/migrations/0005_jobwithoptions_filename.py

@@ -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),
+        ),
+    ]

printer/models.py

@@ -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

printer/templates/printer/newjob.html

@@ -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">
 

printer/templates/printer/print.html

@@ -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 %}
+

printer/utils.py

@@ -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
+            

printer/validators.py

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

printer/views.py

@@ -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)(
+    if request.method == 'POST':
-            request.POST or None, request.FILES or None,
+        if request.FILES:
-    )
+            job_formset = formset_factory(JobWithOptionsForm)(
-    if job_formset.is_valid():
+                request.POST,
-        for job in job_formset:
+                request.FILES,
-            job = job.save(commit=False)
+            )
-            job.user=request.user
+            
-            job.status='Printable'
+            if job_formset.is_valid():
-            job.save()
+                files = request.FILES
-            return redirect(reverse(
+                data = []
-                'printer:success',
+                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