Add thumbnails

.gitignore

@@ -7,3 +7,4 @@
 # data
 instance/partitioncloud.sqlite
 partitioncloud/partitions
+partitioncloud/thumbnails

partitioncloud/__init__.py

@@ -5,7 +5,7 @@ Main file
 import os
 from flask import Flask, render_template, request, send_file, g, redirect
 
-from . import auth, albums
+from . import auth, albums, partition
 
 app = Flask(__name__)
 
@@ -18,6 +18,7 @@ app.config.from_mapping(
 
 app.register_blueprint(auth.bp)
 app.register_blueprint(albums.bp)
+app.register_blueprint(partition.bp)
 
 
 @app.route("/")

partitioncloud/partition.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+"""
+Partitions module
+"""
+import os
+
+from flask import (Blueprint, render_template,
+                   send_file)
+
+
+bp = Blueprint("partition", __name__, url_prefix="/partition")
+
+@bp.route("/<uuid>/preview")
+def preview(uuid):
+    """
+    Renvoie la prévisualisation d'un fichier pdf
+    """
+    if not os.path.exists(f"partitioncloud/thumbnails/{uuid}.jpg"):
+        os.system(
+            f'/usr/bin/convert -thumbnail\
+            "178^>" -background white -alpha \
+            remove -crop 178x178+0+0 \
+            partitioncloud/partitions/{uuid}.pdf[0] \
+            partitioncloud/thumbnails/{uuid}.jpg'
+        )
+
+    return send_file(f"thumbnails/{uuid}.jpg")

partitioncloud/templates/albums/album.html

@@ -6,19 +6,21 @@
 
 {% block content %}
 {% if not_participant %}
-  <a href="/albums/{{ album['uuid'] }}/join">
-    <button id="join-album">Rejoindre</button>
-  </a>
+<a href="/albums/{{ album['uuid'] }}/join">
+  <button id="join-album">Rejoindre</button>
+</a>
 {% endif %}
 {% if partitions|length != 0 %}
-  {% for partition in partitions %}
-  <a href="{{ album['uuid'] }}/{{ partition['uuid'] }}">
-      <div class="partition-cover" id="partition-{{ partition['uuid'] }}">
-          {{ partition["name"] }}
-      </div>
-  </a>
-  {% endfor %}
+{% for partition in partitions %}
+<a href="{{ album['uuid'] }}/{{ partition['uuid'] }}">
+  <div class="partition" id="partition-{{ partition['uuid'] }}">
+    <img src="/partition/{{ partition['uuid'] }}/preview">
+    <div class="partition-name">{{ partition["name"] }}</div>
+    <div class="partition-author">{{ partition["author"] }}</div>
+  </div>
+</a>
+{% endfor %}
 {% else %}
-  <div>Aucune partition disponible</div>
+<div>Aucune partition disponible</div>
 {% endif %}
 {% endblock %}