From e2ae029a09d71c7c961d4bc0d8acd793e15cd19d Mon Sep 17 00:00:00 2001
From: Piotr Dobrowolski <admin@tastycode.pl>
Date: Wed, 8 Apr 2020 20:09:24 +0200
Subject: [PATCH] Add label rendering

---
 Dockerfile                            |  2 +
 formity/admin.py                      | 11 +++++-
 requirements.txt                      | 13 +++++++
 templates/faceshieldrequest_list.html |  6 +++
 templates/label.html                  | 56 +++++++++++++++++++++++++++
 5 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 templates/faceshieldrequest_list.html
 create mode 100644 templates/label.html

diff --git a/Dockerfile b/Dockerfile
index df92201..d92cabe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,8 @@ RUN apk add --no-cache --virtual .build-deps gcc python3-dev musl-dev postgresql
     pip3 install --no-cache-dir psycopg2==2.8.4 pycparser==2.20 cffi==1.14.0 bcrypt==3.1.7 && \
     apk del --no-cache .build-deps
 
+RUN apk add --no-cache py3-pillow cairo pango glib font-noto
+
 COPY requirements.txt .
 RUN pip3 install --no-cache-dir -r requirements.txt
 
diff --git a/formity/admin.py b/formity/admin.py
index c2c9534..2a3ed82 100644
--- a/formity/admin.py
+++ b/formity/admin.py
@@ -1,4 +1,4 @@
-from flask import redirect, flash, request
+from flask import redirect, flash, request, url_for
 import flask_admin
 from formity.extensions import admin, db, ModelView, ModelViewHighSecurity, AdminSecurityMixin
 from wtforms import TextAreaField
@@ -6,6 +6,7 @@ from formity.models import FaceshieldRequest, RequestChange, Status, PostalCode,
 from spaceauth import current_user
 import enum
 import decimal
+from flask_weasyprint import HTML, render_pdf
 from sqlalchemy import inspect, func
 from sqlalchemy.orm import class_mapper
 from sqlalchemy.orm.attributes import get_history
@@ -151,6 +152,14 @@ class FaceshieldRequestAdmin(ModelView):
                 state_after=after,
             ))
 
+    @flask_admin.expose('/label/')
+    def label(self):
+        return render_pdf(HTML(string=self.label_html()))
+
+    @flask_admin.expose('/label/html')
+    def label_html(self):
+        return self.render('label.html', model=self.get_one(request.args.get('id')))
+
 class FilteredFaceshieldRequestAdmin(FaceshieldRequestAdmin):
     def get_query(self):
         return super(FilteredFaceshieldRequestAdmin, self).get_query().filter(FaceshieldRequest.status != Status.rejected, FaceshieldRequest.status != Status.spam)
diff --git a/requirements.txt b/requirements.txt
index 7bd6dce..1de827d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,14 @@
 alembic==1.4.2
 Babel==2.8.0
 blinker==1.4
+cairocffi==1.1.0
+CairoSVG==2.4.2
 certifi==2019.11.28
+cffi==1.14.0
 chardet==3.0.4
 click==7.1.1
+cssselect2==0.3.0
+defusedxml==0.6.0
 environs==7.3.1
 Flask==1.1.1
 Flask-Admin==1.5.5
@@ -13,7 +18,9 @@ Flask-Migrate==2.5.3
 Flask-OAuthlib==0.9.5
 git+https://code.hackerspace.pl/informatic/flask-spaceauth#egg=Flask-SpaceAuth
 Flask-SQLAlchemy==2.4.1
+Flask-WeasyPrint==0.6
 Flask-WTF==0.14.3
+html5lib==1.0.1
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.1
@@ -21,8 +28,11 @@ Mako==1.1.2
 MarkupSafe==1.1.1
 marshmallow==3.5.1
 oauthlib==2.1.0
+Pillow==6.2.1
 prometheus-client==0.7.1
 prometheus-flask-exporter==0.13.0
+pycparser==2.20
+Pyphen==0.9.5
 python-dateutil==2.8.1
 python-dotenv==0.12.0
 python-editor==1.0.4
@@ -31,6 +41,9 @@ requests==2.23.0
 requests-oauthlib==1.3.0
 six==1.14.0
 SQLAlchemy==1.3.15
+tinycss2==1.0.2
 urllib3==1.25.8
+WeasyPrint==51
+webencodings==0.5.1
 Werkzeug==0.16.1
 WTForms==2.2.1
diff --git a/templates/faceshieldrequest_list.html b/templates/faceshieldrequest_list.html
new file mode 100644
index 0000000..53ff5f4
--- /dev/null
+++ b/templates/faceshieldrequest_list.html
@@ -0,0 +1,6 @@
+{% extends 'admin/model/list.html' %}
+{% block list_row_actions %}
+  {{ super() }}
+  <a href="{{ url_for('map.index', id=row.id) }}" class="icon" title="Show on map"><span class="glyphicon glyphicon-map-marker"></span></a>
+  <a href="{{ url_for('faceshieldrequest.label', id=row.id) }}" class="icon" title="Render package label"><span class="glyphicon glyphicon-print"></span></a>
+{% endblock %}
diff --git a/templates/label.html b/templates/label.html
new file mode 100644
index 0000000..d93c9f0
--- /dev/null
+++ b/templates/label.html
@@ -0,0 +1,56 @@
+<html>
+  <head>
+
+<style>
+@page {
+  margin: 0cm;
+  size: 15cm 10cm;
+}
+
+html, body {
+	padding: 0;
+  margin: 0;
+	width: 15cm;
+  height: 10cm;
+  font-family: "Lato";
+	font-size: 16pt
+}
+
+.container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+	justify-content: space-between;
+  height: 10cm;
+}
+
+.line {
+	text-align: center;
+  vertical-align: middle;
+	width: 15cm;
+	padding: 0.5cm;
+}
+
+.mark {
+	background: #eee;
+}
+
+.idline {
+  font-size: 35pt;
+}
+</style>
+  </head>
+  <body>
+    <div class="container">
+    <div class="line idline">
+      {{ model.faceshield_full_delivered }} <b>#{{ model.id }}</b>
+    </div>
+    <div class="line mark">
+      {{ model.entity_info }}
+    </div>
+    <div class="line">
+      {{ model.full_name }} {{ model.phone_number }}
+    </div>
+    </div>
+  </body>
+</html>