add show and note images based on S3 storage

6 files changed, 64 insertions, 7 deletions

diff --git a/program/admin.py b/program/admin.py
index 16d6973..b186c3e 100644
--- a/program/admin.py
+++ b/program/admin.py
@@ -154,7 +154,7 @@ class ShowAdmin(admin.ModelAdmin):
     prepopulated_fields = {'slug': ('name',)}
     search_fields = ('name', 'short_description', 'description')
     fields = (
-        'predecessor', 'broadcastformat', 'name', 'slug', 'image', 'image_enabled', 'short_description', 'description',
+        'predecessor', 'broadcastformat', 'name', 'slug', 'image', 'short_description', 'description',
         'email', 'website', 'hosts', 'owners', 'showinformation', 'showtopic', 'language',
         'musicfocus',
     )
diff --git a/program/migrations/0013_show_and_note_images.py b/program/migrations/0013_show_and_note_images.py
new file mode 100644
index 0000000..2cf8d1a
--- /dev/null
+++ b/program/migrations/0013_show_and_note_images.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import program.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('program', '0012_add_language'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='show',
+            name='image_enabled',
+        ),
+        migrations.AlterField(
+            model_name='show',
+            name='image',
+            field=models.ImageField(upload_to=program.models.show_image_filename, null=True, verbose_name='Image', blank=True),
+        ),
+        migrations.AddField(
+            model_name='note',
+            name='image',
+            field=models.ImageField(upload_to=program.models.note_image_filename, null=True, verbose_name='Image', blank=True),
+        ),
+    ]
diff --git a/program/models.py b/program/models.py
index b5123cb..048e51b 100644
--- a/program/models.py
+++ b/program/models.py
@@ -1,3 +1,4 @@
+import os
 from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist, ValidationError, MultipleObjectsReturned
 from django.core.urlresolvers import reverse
@@ -11,7 +12,7 @@ from datetime import date, datetime, time, timedelta
 from dateutil.relativedelta import relativedelta
 from dateutil.rrule import rrule
 
-from utils import get_automation_id_choices
+from utils import get_automation_id_choices, hash_file
 
 
 class BroadcastFormat(models.Model):
@@ -243,6 +244,12 @@ class Host(models.Model):
         return self.shows.filter(programslots__until__gt=datetime.today).distinct()
 
 
+def show_image_filename(instance, filename):
+    instance.image.open()
+    filename_base, filename_ext = os.path.splitext(filename)
+    return "shows/%s/%s%s" % (instance.slug, hash_file(instance.image.file), filename_ext)
+
+
 class Show(models.Model):
     predecessor = models.ForeignKey('self', blank=True, null=True, related_name='successors', verbose_name=_("Predecessor"))
     hosts = models.ManyToManyField(Host, blank=True, related_name='shows', verbose_name=_("Hosts"))
@@ -254,8 +261,7 @@ class Show(models.Model):
     musicfocus = models.ManyToManyField(MusicFocus, blank=True, related_name='shows', verbose_name=_("Music focus"))
     name = models.CharField(_("Name"), max_length=255)
     slug = models.CharField(_("Slug"), max_length=255, unique=True)
-    image = models.ImageField(_("Image"), blank=True, null=True, upload_to='show_images')
-    image_enabled = models.BooleanField(_("show Image"), default=True)
+    image = models.ImageField(_("Image"), blank=True, null=True, upload_to=show_image_filename)
     short_description = models.CharField(_("Short description"), max_length=64)
     description = tinymce_models.HTMLField(_("Description"), blank=True, null=True)
     email = models.EmailField(_("E-Mail"), blank=True, null=True)
@@ -492,7 +498,14 @@ class TimeSlot(models.Model):
         return reverse('timeslot-detail', args=[str(self.id)])
 
 
+def note_image_filename(instance, filename):
+    instance.image.open()
+    filename_base, filename_ext = os.path.splitext(filename)
+    return "notes/%s/%s%s" % (instance.show.slug, hash_file(instance.image.file), filename_ext)
+
+
 class Note(models.Model):
+
     STATUS_CHOICES = (
         (0, _("Cancellation")),
         (1, _("Recommendation")),
@@ -500,6 +513,7 @@ class Note(models.Model):
     )
     timeslot = models.OneToOneField(TimeSlot, verbose_name=_("Time slot"))
     title = models.CharField(_("Title"), max_length=128)
+    image = models.ImageField(_("Image"), blank=True, null=True, upload_to=note_image_filename)
     content = tinymce_models.HTMLField(_("Content"))
     status = models.IntegerField(_("Status"), choices=STATUS_CHOICES, default=1)
     start = models.DateTimeField(editable=False)
diff --git a/program/templates/v2/show_detail.html b/program/templates/v2/show_detail.html
index 55f7f3b..7b2e07e 100644
--- a/program/templates/v2/show_detail.html
+++ b/program/templates/v2/show_detail.html
@@ -43,8 +43,8 @@
         <div id="description">{{ show.description|safe }}</div>
 {% endif %}
 
-{% if show.image and show.image_enabled %}
-        <div id="image" style="float: right;"><img src="/program/static/{{ show.image }}" width="200" alt="image"></div>
+{% if show.image %}
+        <div id="image"><img src="https://images.helsinki.at/program/{{ show.image }}"></div>
 {% endif %}
 
         <p>
@@ -69,7 +69,7 @@
                 <div class="title">{{ note.title }}</div>
             </li>
 {%   endfor %}
-{%   if show.predecessor and show.predecessor.notes.all %}
+{%   if show.predecessor and show.predecessor.notes.all %}p
 {%     if show.name != show.predecessor.name %}
             <h3>Davor als <a href="/program/shows/{{ show.predecessor.slug }}">{{ show.predecessor.name }}</a></h3>
 {%     endif %}
diff --git a/program/templates/v2/timeslot_detail.html b/program/templates/v2/timeslot_detail.html
index ab3b429..f1e65b4 100644
--- a/program/templates/v2/timeslot_detail.html
+++ b/program/templates/v2/timeslot_detail.html
@@ -32,6 +32,10 @@
 
 {% if timeslot.note %}
         <div class="timeslot-note">{{ timeslot.note.content|safe }}</div>
+
+{%   if timeslot.note.image %}
+        <div id="timeslot-note-image"><img src="https://images.helsinki.at/notes/{{ timeslot.note.image }}"></div>
+{%   endif %}
 {% endif %}
     </div>
 
diff --git a/program/utils.py b/program/utils.py
index 1a81766..3bfecc4 100644
--- a/program/utils.py
+++ b/program/utils.py
@@ -3,8 +3,10 @@ from django.conf import settings
 import json
 import urllib
 import bisect
+import hashlib
 from os.path import join
 from datetime import datetime, date, timedelta
+from functools import partial
 
 
 def get_automation_id_choices():
@@ -56,3 +58,11 @@ def tofirstdayinisoweek(year, week):
     if date(year, 1, 4).isoweekday() > 4:
         ret -= timedelta(days=7)
     return ret
+
+
+def hash_file(file, block_size=65536):
+    hasher = hashlib.sha256()
+    for buf in iter(partial(file.read, block_size), b''):
+        hasher.update(buf)
+
+    return hasher.hexdigest()