From 7e872958a6f1ff205c29da07e8ed7937527b8889 Mon Sep 17 00:00:00 2001
From: VictorFabreF <victorfabre@me.com>
Date: Tue, 19 Dec 2017 14:31:49 -0200
Subject: [PATCH] 1615 codigo de barras (#1648)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Fixes #1646

* Fixes #1615

* Gera código de barras no recibo de envio de proposição
---
 sapl/materia/views.py                         |  8 +++++++-
 sapl/templates/materia/recibo_proposicao.html |  1 +
 sapl/utils.py                                 | 10 +++++-----
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index f21a8d64d..4f2e35b59 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -826,8 +826,14 @@ class ReciboProposicaoView(TemplateView):
             # FIXME hash para textos articulados
             _hash = 'P' + ta.hash() + '/' + str(proposicao.id)
 
+        from sapl.utils import create_barcode
+        base64_data = create_barcode(_hash, 100, 2000)
+        barcode = 'data:image/png;base64,{0}'.format(base64_data)
+
+
         context.update({'proposicao': proposicao,
-                        'hash': _hash})
+                        'hash': _hash,
+                        'barcode': barcode})
         return context
 
     def get(self, request, *args, **kwargs):
diff --git a/sapl/templates/materia/recibo_proposicao.html b/sapl/templates/materia/recibo_proposicao.html
index a2ec81039..a839250f9 100644
--- a/sapl/templates/materia/recibo_proposicao.html
+++ b/sapl/templates/materia/recibo_proposicao.html
@@ -67,5 +67,6 @@
     </tr>
     <tr> <td align="center"><br /><br /><br /><b>________________________________________________________________</b></td> </tr>
     <tr> <td align="center">{{proposicao.autor}}</td> </tr>
+    <tr> <td align="center"><img src="{{barcode}}"width="600px" height="50px"/></td> </tr>
   </table>
 {% endblock detail_content %}
diff --git a/sapl/utils.py b/sapl/utils.py
index 6e690eb5e..1569cedca 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -230,17 +230,17 @@ def get_base_url(request):
     return "{0}://{1}".format(protocol, current_domain)
 
 
-def create_barcode(value):
+def create_barcode(value, width=170, height=50):
     '''
         creates a base64 encoded barcode PNG image
     '''
     from base64 import b64encode
     from reportlab.graphics.barcode import createBarcodeDrawing
-
+    value_bytes = bytes(value, "ascii")
     barcode = createBarcodeDrawing('Code128',
-                                   value=value,
-                                   barWidth=170,
-                                   height=50,
+                                   value=value_bytes,
+                                   barWidth=width,
+                                   height=height,
                                    fontSize=2,
                                    humanReadable=True)
     data = b64encode(barcode.asString('png'))