From efdedf9c540e3856ec1348ef5a45ab21af9bd22a Mon Sep 17 00:00:00 2001
From: Guillaume Ayoub <guillaume@courtbouillon.org>
Date: Tue, 22 Oct 2024 00:18:00 +0200
Subject: [PATCH] Add PDF schedule

---
 Makefile                          |  2 +-
 pyconfr.py                        |  8 ++++-
 static/sass/style.sass            | 54 +++++++++++++++++++++++++++++++
 templates/en/schedule.jinja2.html |  7 ++--
 templates/fr/schedule.jinja2.html |  7 ++--
 5 files changed, 70 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 8038bca..bbce75c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .venv:
 	python3 -m venv .venv
-	.venv/bin/pip install setuptools frozen-flask flask libsass markdown2 python-slugify babel
+	.venv/bin/pip install setuptools frozen-flask flask flask-weasyprint libsass markdown2 python-slugify babel
 
 install: .venv
 
diff --git a/pyconfr.py b/pyconfr.py
index 1ba0806..dec8531 100644
--- a/pyconfr.py
+++ b/pyconfr.py
@@ -3,8 +3,9 @@
 
 from babel.dates import format_date, format_time, format_timedelta
 from datetime import date, time, timedelta
-from flask import Flask, Response, render_template
+from flask import Flask, Response, render_template, url_for
 from flask_frozen import Freezer
+from flask_weasyprint import render_pdf
 from markdown2 import Markdown
 from sassutils.wsgi import SassMiddleware
 from slugify import slugify
@@ -98,6 +99,11 @@ def schedule(lang):
         schedule=SCHEDULE)
 
 
+@app.route('/2024/<lang>/full-schedule.pdf')
+def pdf_schedule(lang):
+    return render_pdf(url_for('schedule', lang=lang))
+
+
 @app.route('/2024/<lang>/calendar.ics')
 def calendar(lang):
     ics = render_template('calendar.jinja2.ics', lang=lang, schedule=SCHEDULE)
diff --git a/static/sass/style.sass b/static/sass/style.sass
index 35cbf06..516fb50 100644
--- a/static/sass/style.sass
+++ b/static/sass/style.sass
@@ -910,3 +910,57 @@ main
     float: none
     margin: 0
     width: 100%
+
+
+// Print
+
+@media print
+  @page
+    margin: 1.35cm 1.5cm
+    size: A4 landscape
+
+  #full-schedule
+    background: none
+
+    table
+      border-spacing: 0
+      font-size: 8pt
+
+      thead
+        height: auto
+        text-align: center
+        top: 0
+
+        th:not(:empty)
+          background: $purple
+
+        &.rooms
+          tr > :first-child::before
+            content: none
+
+        &.day
+          th
+            padding-bottom: 0
+            transform: translate(0 -4em)
+
+      tr:not(:last-child)
+        height: 6em
+
+      tr:has([href$="#talk-MRHUVD"]) + tr,
+      tr:has(#sunday-lunch) + tr
+        height: 0 !important
+
+      td
+        border-bottom: 1px solid $grey
+        border-top: 1px solid $grey
+        border-right: 1px solid $grey
+        line-height: 1.15
+        padding: 0.5em 0.5em 2.5em 0.5em
+
+      .extra div
+        background: none !important
+        color: inherit
+        height: 4em !important
+        justify-content: flex-start
+        padding-left: 0.25em
+        width: 100%
diff --git a/templates/en/schedule.jinja2.html b/templates/en/schedule.jinja2.html
index 0d85ca5..29c3562 100644
--- a/templates/en/schedule.jinja2.html
+++ b/templates/en/schedule.jinja2.html
@@ -70,9 +70,10 @@ <h3>Keynotes</h3>
     <section id="calendar">
       <h3>Calendar</h3>
       <p>
-        The calendar is available below, in a
-        <a href="{{ url_for('schedule', lang=lang) }}">fullscreen page</a>, or
-        <a href="{{ url_for('calendar', lang=lang) }}">in your favourite calendar application</a>.
+        The calendar is available below,
+        in a <a href="{{ url_for('schedule', lang=lang) }}">fullscreen page</a>,
+        in <a href="{{ url_for('pdf_schedule', lang=lang) }}">PDF format</a>,
+        or in your <a href="{{ url_for('calendar', lang=lang) }}">favourite calendar application</a>.
       </p>
       <p>
         You can read the description of
diff --git a/templates/fr/schedule.jinja2.html b/templates/fr/schedule.jinja2.html
index 2889e82..58b92cb 100644
--- a/templates/fr/schedule.jinja2.html
+++ b/templates/fr/schedule.jinja2.html
@@ -69,9 +69,10 @@ <h3>Keynotes</h3>
     <section id="calendar">
       <h3>Calendrier</h3>
       <p>
-        Le calendrier est disponible ci-dessous, sur une
-        <a href="{{ url_for('schedule', lang=lang) }}">page en plein écran</a>,
-        ou <a href="{{ url_for('calendar', lang=lang) }}">dans votre application de calendrier favorite</a>.
+        Le calendrier est disponible ci-dessous,
+        sur une <a href="{{ url_for('schedule', lang=lang) }}">page en plein écran</a>,
+        en <a href="{{ url_for('pdf_schedule', lang=lang) }}">format PDF</a>,
+        ou dans votre <a href="{{ url_for('calendar', lang=lang) }}">application de calendrier favorite</a>.
       </p>
       <p>
         Vous pouvez également lire la description des