diff --git a/ofu_app/apps/food/migrations/0003_auto_20171013_1902.py b/ofu_app/apps/food/migrations/0003_auto_20171013_1902.py
new file mode 100644
index 0000000..f180b9f
--- /dev/null
+++ b/ofu_app/apps/food/migrations/0003_auto_20171013_1902.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-10-13 17:02
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('food', '0002_auto_20171008_1102'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='happyhour',
+            unique_together=set([('date', 'location', 'starttime', 'endtime')]),
+        ),
+    ]
diff --git a/ofu_app/apps/food/models.py b/ofu_app/apps/food/models.py
index c5d1d80..1172710 100644
--- a/ofu_app/apps/food/models.py
+++ b/ofu_app/apps/food/models.py
@@ -37,7 +37,7 @@ class HappyHour(models.Model):
     description = models.CharField(max_length=MAX_LENGTH)
 
     class Meta:
-        unique_together = ('date', 'location')
+        unique_together = ('date', 'location', 'starttime', 'endtime')
 
     def __str__(self):
         return "Date: %s, Location: %s" % (self.date.strftime("%Y.%m.%d"), self.location)
diff --git a/ofu_app/apps/food/utils/migrate_data.py b/ofu_app/apps/food/utils/migrate_data.py
index 68d5f7c..c936096 100644
--- a/ofu_app/apps/food/utils/migrate_data.py
+++ b/ofu_app/apps/food/utils/migrate_data.py
@@ -54,6 +54,9 @@ def writeFekideDataInDB(data):
             happyhour.endtime = datetime.strptime(time[1], "%H:%M").time()
             happyhour.save()
 
+        print("%s: Happy Hour: Location: %s, Description: %s" % (
+            str(happyhour.date.date()), str(happyhour.location), str(happyhour.description)))
+
 
 def writeoutDBObjects():
     pprint("SingleFood: " + str(SingleFood.objects.count()))
@@ -65,7 +68,8 @@ def delete():
     happy_hours = HappyHour.objects.all()
     print("Deleted following Happy Hours:")
     for happy_hour in happy_hours:
-        print("Happy Hour: Location: %s, Description: %s" % (str(happy_hour.location), str(happy_hour.description)))
+        print("%s: Happy Hour: Location: %s, Description: %s" % (
+            str(happy_hour.date), str(happy_hour.location), str(happy_hour.description)))
         happy_hour.delete()
 
 
diff --git a/ofu_app/templates/base.jinja b/ofu_app/templates/base.jinja
index 30a858d..15932fb 100644
--- a/ofu_app/templates/base.jinja
+++ b/ofu_app/templates/base.jinja
@@ -10,6 +10,7 @@
     <meta name="author" content="Michael Götz"/>
     {#    {% javascript "main_js" %}#}
     {#    {% block js_head %}{% endblock %}#}
+    {% block head_extra_first %}{% endblock %}
     <link rel="stylesheet" href="{{ static('libs/bootstrap-4.0.0-beta-dist/css/bootstrap.css') }}">
     {% block head_extra %}{% endblock %}
 </head>
diff --git a/ofu_app/templates/donar/show_room.jinja b/ofu_app/templates/donar/show_room.jinja
index 7ef6954..39367cf 100644
--- a/ofu_app/templates/donar/show_room.jinja
+++ b/ofu_app/templates/donar/show_room.jinja
@@ -1,8 +1,28 @@
 {% extends 'base.jinja' %}
+{% block head_extra_first %}
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.2.0/dist/leaflet.css"
+          integrity="sha512-M2wvCLH6DSRazYeZRIm1JnYyh22purTM+FDB5CsyxtQJYeKq83arPe5wgbNmcFXGqiSH2XR8dT/fJISVA1r/zQ=="
+          crossorigin=""/>
+    <!-- Make sure you put this AFTER Leaflet's CSS -->
+    <script src="https://unpkg.com/leaflet@1.2.0/dist/leaflet.js"
+            integrity="sha512-lInM/apFSqyy1o6s89K4iQUKg6ppXEgsVxT35HbzUupEVRh2Eu9Wdl4tHj7dZO0s1uvplcYGmt3498TtHq+log=="
+            crossorigin=""></script>
+{% endblock %}
 {% block headline %}
     <h1 class="text-center"> Donar </h1>
 {% endblock %}
 {% block content %}
+    {# TODO: implement Leaflet #}
+    {#    <div id="mapid" style="height: 280px;"></div>#}
+    {#    <script>#}
+    {#        var mymap = L.map('mapid').setView([51.505, -0.09], 13);#}
+    {#        L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {#}
+    {#            attribution: 'Map data &copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="http://mapbox.com">Mapbox</a>',#}
+    {#            maxZoom: 18,#}
+    {#            id: 'mapbox.streets',#}
+    {#            accessToken: 'your.mapbox.access.token'#}
+    {#        }).addTo(mymap);#}
+    {#    </script>#}
     <div class="container">
         <div class="row">
             {% if room %}