Adds possibility to download a PDF for a télédéclaration

betagouv · Aug 31, 2021 · cbde7b3 · cbde7b3
1 parent 5824d2d
commit cbde7b3
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Showing 7 changed files with 211 additions and 6 deletions.
diff --git a/api/templates/teledeclaration_pdf.html b/api/templates/teledeclaration_pdf.html
@@ -0,0 +1,81 @@
+{% load static %}
+<html>
+    <head>
+        <style>
+            @font-face {
+            font-family: 'Marianne';
+            src: url({% static '../../web/static/fonts/Marianne-Regular.ttf' %}) format('truetype');
+            }
+            @font-face {
+                font-family: 'Marianne-Bold';
+                src:  url({% static '../../web/static/fonts/Marianne-Bold.ttf' %}) format('truetype');
+            }
+            @font-face {
+                font-family: 'Marianne-ExtraBold';
+                src: url({% static '../../web/static/fonts/Marianne-ExtraBold.ttf' %}) format('truetype');
+            }
+            body {
+                font-family: 'Marianne', Arial, Helvetica, sans-serif;
+            }
+            h1 {
+                font-family: 'Marianne-ExtraBold';
+                font-size: 24px;
+                margin: 32px 0px 16px 0px;
+            }
+            h2 {
+                font-family: 'Marianne-Bold';
+                font-size: 16px;
+                margin: 16px 0px;
+            }
+            h3 {
+                font-family: 'Marianne-Bold';
+            }
+            li span {
+                font-family: 'Marianne-Bold';
+            }
+            p, li {
+                margin: 16px 0px;
+            }
+            .image-container {
+                background-color:#0c7f46;
+                padding: 16px;
+            }
+        </style>
+    </head>
+    <body>
+        <div class="image-container">
+            <img src="{% static '../../web/static/images/logo_transparent_white.png' %}" alt="ma cantine" height="30" width="142" />
+        </div>
+        <h1>Justificatif pour télédéclaration {{ year }}</h1>
+        <h2>Cantine {{ canteen_name }} (SIRET {{ siret }})</h2>
+        <h3>Télédéclaration faite le {{ date|date:"l m F Y" }} par {{ applicant }}</h3>
+
+        <p>
+            Conformément à l’article 24 de la loi EGAlim, chaque établissement est tenu de
+            renseigner et transmettre à l’administration ses données, notamment en termes
+            d’approvisionnement sur l’année civile passée.
+        </p>
+        <p>
+            Pour l'année {{ year }}, les données suivantes ont été télédéclarées le
+            {{ date|date:"l m F Y" }} via la plateforme numérique ma cantine :
+        </p>
+        <ul>
+            <li>
+                <span>Valeur totale en HT des achats alimentaires</span> : {{ value_total_ht|floatformat:2 }} €
+            </li>
+            <li>
+                <span>Valeur en HT des achats alimentaires en Bio</span> : {{ value_bio_ht|floatformat:2 }} €
+            </li>
+            <li>
+                <span>Valeur en HT d'autres produits de qualité et durables</span> : {{ value_sustainable_ht|floatformat:2 }} €
+            </li>
+            <li>
+                <span>Valeur en HT des produits issus du commerce équitable</span> : {{ value_fair_trade_ht|floatformat:2 }} €
+            </li>
+        </ul>
+
+        <hr />
+
+        En savoir plus de la loi EGAlim : https://ma-cantine.beta.gouv.fr/
+    </body>
+</html>
diff --git a/api/urls.py b/api/urls.py
@@ -11,7 +11,7 @@
 from api.views import BlogPostsView, SectorListView, ChangePasswordView, BlogPostView
 from api.views import AddManagerView, RemoveManagerView, PublishedCanteenSingleView
 from api.views import ImportDiagnosticsView, TeledeclarationCreateView
-from api.views import TeledeclarationCancelView
+from api.views import TeledeclarationCancelView, TeledeclarationPdfView
 
 
 urlpatterns = {
@@ -75,6 +75,11 @@
         TeledeclarationCancelView.as_view(),
         name="teledeclaration_cancel",
     ),
+    path(
+        "teledeclaration/<int:pk>/document.pdf",
+        TeledeclarationPdfView.as_view(),
+        name="teledeclaration_pdf",
+    ),
 }
 
 urlpatterns = format_suffix_patterns(urlpatterns)
diff --git a/api/views/__init__.py b/api/views/__init__.py
@@ -19,4 +19,5 @@
 from .teledeclaration import (  # noqa: F401
     TeledeclarationCreateView,
     TeledeclarationCancelView,
+    TeledeclarationPdfView,
 )
diff --git a/api/views/teledeclaration.py b/api/views/teledeclaration.py
@@ -1,9 +1,14 @@
 import logging
-from django.http import JsonResponse
+import os
+from django.http import JsonResponse, HttpResponse
+from django.core.exceptions import ValidationError as DjangoValidationError
+from django.template.loader import get_template
+from django.contrib.staticfiles import finders
+from django.conf import settings
 from rest_framework import status, permissions
 from rest_framework.views import APIView
 from rest_framework.exceptions import ValidationError, PermissionDenied
-from django.core.exceptions import ValidationError as DjangoValidationError
+from xhtml2pdf import pisa
 from data.models import Diagnostic, Teledeclaration
 from api.serializers import FullDiagnosticSerializer
 from .utils import camelize
@@ -82,3 +87,102 @@ def post(self, request):
 
         except Teledeclaration.DoesNotExist:
             raise ValidationError("La télédéclaration specifiée n'existe pas")
+
+
+class TeledeclarationPdfView(APIView):
+    """
+    This view returns a PDF for proof of teledeclaration
+    """
+
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get(self, request, *args, **kwargs):
+
+        try:
+            teledeclaration_id = kwargs.get("pk")
+
+            if not teledeclaration_id:
+                raise ValidationError("teledeclarationId manquant")
+
+            teledeclaration = Teledeclaration.objects.get(pk=teledeclaration_id)
+            if request.user not in teledeclaration.canteen.managers.all():
+                raise PermissionDenied()
+
+            if (
+                teledeclaration.status
+                != Teledeclaration.TeledeclarationStatus.SUBMITTED
+            ):
+                raise ValidationError(
+                    "La télédéclaration n'est pas validée par l'utilisateur"
+                )
+
+            response = HttpResponse(content_type="application/pdf")
+            filename = f"teledeclaration-{teledeclaration.year}.pdf"
+            response["Content-Disposition"] = f'attachment; filename="{filename}"'
+            template = get_template("teledeclaration_pdf.html")
+            context = {
+                "year": teledeclaration.year,
+                "canteen_name": teledeclaration.fields["canteen"]["name"],
+                "siret": teledeclaration.fields["canteen"]["siret"],
+                "date": teledeclaration.creation_date,
+                "applicant": teledeclaration.fields["applicant"]["name"],
+                "value_total_ht": teledeclaration.fields["teledeclaration"][
+                    "value_total_ht"
+                ],
+                "value_bio_ht": teledeclaration.fields["teledeclaration"][
+                    "value_bio_ht"
+                ],
+                "value_sustainable_ht": teledeclaration.fields["teledeclaration"][
+                    "value_sustainable_ht"
+                ],
+                "value_fair_trade_ht": teledeclaration.fields["teledeclaration"][
+                    "value_fair_trade_ht"
+                ],
+            }
+            html = template.render(context)
+            pisa_status = pisa.CreatePDF(
+                html, dest=response, link_callback=TeledeclarationPdfView.link_callback
+            )
+
+            if pisa_status.err:
+                logger.error(
+                    f"Error while generating PDF for teledeclaration {teledeclaration.id}"
+                )
+                logger.error(pisa_status.err)
+                return HttpResponse("An error ocurred", status=500)
+
+            return response
+
+        except Teledeclaration.DoesNotExist:
+            raise ValidationError("La télédéclaration specifiée n'existe pas")
+
+    @staticmethod
+    def link_callback(uri, rel):
+        """
+        Convert HTML URIs to absolute system paths so xhtml2pdf can access those
+        resources
+        https://xhtml2pdf.readthedocs.io/en/latest/usage.html#using-xhtml2pdf-in-django
+        """
+        result = finders.find(uri)
+        if result:
+            if not isinstance(result, (list, tuple)):
+                result = [result]
+            result = list(os.path.realpath(path) for path in result)
+            path = result[0]
+        else:
+            sUrl = settings.STATIC_URL
+            sRoot = settings.STATIC_ROOT
+            mUrl = settings.MEDIA_URL
+            mRoot = settings.MEDIA_ROOT
+
+            if uri.startswith(mUrl):
+                path = os.path.join(mRoot, uri.replace(mUrl, ""))
+            elif uri.startswith(sUrl):
+                path = os.path.join(sRoot, uri.replace(sUrl, ""))
+            else:
+                return uri
+
+        # make sure that file exists
+        if not os.path.isfile(path):
+            raise Exception("media URI must start with {} or {}".format(sUrl, mUrl))
+        return path
diff --git a/frontend/src/views/DiagnosticEditor/index.vue b/frontend/src/views/DiagnosticEditor/index.vue
@@ -65,7 +65,13 @@
               border="left"
               elevation="1"
             >
-              Ce diagnostic a été télédéclaré {{ timeAgo(this.diagnostic.teledeclaration.creationDate, true) }}
+              <p class="mb-2">
+                Ce diagnostic a été télédéclaré {{ timeAgo(diagnostic.teledeclaration.creationDate, true) }}.
+              </p>
+              <a :href="`/api/v1/teledeclaration/${diagnostic.teledeclaration.id}/document.pdf`" download>
+                <v-icon small>mdi-download-box-outline</v-icon>
+                Télécharger mon justificatif.
+              </a>
             </v-alert>
 
             <v-col cols="12" class="mb-8 mt-3">

diff --git a/requirements.txt b/requirements.txt
@@ -1,8 +1,9 @@
+arabic-reshaper==2.1.3
 asgiref==3.3.4
 astroid==2.5.6
 attrs==21.2.0
-boto3==1.18.28
-botocore==1.21.28
+boto3==1.18.29
+botocore==1.21.29
 certifi==2020.12.5
 chardet==4.0.0
 charset-normalizer==2.0.4
@@ -20,7 +21,9 @@ djangorestframework-camel-case==1.2.0
 drf-base64==2.0
 factory-boy==3.2.0
 Faker==8.8.0
+future==0.18.2
 html2text==2020.1.16
+html5lib==1.1
 idna==2.10
 iniconfig==1.1.1
 isort==5.8.0
@@ -37,11 +40,14 @@ pylint==2.8.3
 pylint-django==2.4.4
 pylint-plugin-utils==0.6
 pyparsing==2.4.7
+PyPDF2==1.26.0
 pytest==6.2.4
 pytest-django==4.4.0
+python-bidi==0.4.2
 python-dateutil==2.8.2
 python-dotenv==0.19.0
 pytz==2021.1
+reportlab==3.6.1
 requests==2.26.0
 s3transfer==0.5.0
 sentry-sdk==1.3.1
@@ -51,4 +57,6 @@ sqlparse==0.4.1
 text-unidecode==1.3
 toml==0.10.2
 urllib3==1.26.4
+webencodings==0.5.1
 wrapt==1.12.1
+xhtml2pdf==0.2.5
diff --git a/web/static/images/logo_transparent_white.png b/web/static/images/logo_transparent_white.png