From 68b483a0af6ba87ad1d1c3202460d90ebbde299e Mon Sep 17 00:00:00 2001
From: Emilie <zawadzki@ircam.fr>
Date: Fri, 30 Sep 2016 17:52:00 +0200
Subject: [PATCH] saving > test on order

---
 app/organization/core/utils.py                | 33 +++++++++++++++----
 ...930_1039.py => 0004_auto_20160930_1039.py} |  2 +-
 app/organization/media/views.py               |  2 +-
 3 files changed, 28 insertions(+), 9 deletions(-)
 rename app/organization/media/migrations/{0003_auto_20160930_1039.py => 0004_auto_20160930_1039.py} (93%)

diff --git a/app/organization/core/utils.py b/app/organization/core/utils.py
index 5c2c918f..e13a9fe8 100644
--- a/app/organization/core/utils.py
+++ b/app/organization/core/utils.py
@@ -144,7 +144,7 @@ class IableSequence(object):
             items[-1] = "...(remaining elements truncated)..."
         return repr(items)
 
-
+# http://stackoverflow.com/questions/1516249/python-list-sorting-with-multiple-attributes-and-mixed-order
 class QuerySetSequence(IableSequence):
     '''
     Wrapper for the query sets sequence without the restriction on the identity
@@ -173,19 +173,18 @@ class QuerySetSequence(IableSequence):
                 field_names[i] = field_name[1:]
         # wanna iterable and attrgetter returns single item if 1 arg supplied
         fields_getter = lambda i: chain_sing(attrgetter(*field_names)(i))
+        print("************************")
+        print(fields_getter)
+        print("************************")
         # comparator gets the first non-zero value of the field comparison
         # results taking into account reverse order for fields prefixed with '-'
         comparator = lambda i1, i2:\
             dropwhile(__not__,
-              mul_it(map(cmp, fields_getter(i1), fields_getter(i2)), reverses)
+              mul_it(map(key, fields_getter(i1), fields_getter(i2)), reverses)
             ).__next__()
-        print("-----------------------------------------");
-        print(comparator);
-        print("******************************************");
-        print("comparator");
 
         # return new sorted list
-        return sorted(self.collapse(), cmp=comparator)
+        return sorted(self.collapse(), key=fields_getter)
 
     def filter(self, *args, **kwargs):
         """
@@ -235,3 +234,23 @@ class QuerySetSequence(IableSequence):
             if qs.exists():
                 return True
         return False
+
+
+def cmp_to_key(mycmp):
+    'Convert a cmp= function into a key= function'
+    class K(object):
+        def __init__(self, obj, *args):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) < 0
+        def __gt__(self, other):
+            return mycmp(self.obj, other.obj) > 0
+        def __eq__(self, other):
+            return mycmp(self.obj, other.obj) == 0
+        def __le__(self, other):
+            return mycmp(self.obj, other.obj) <= 0
+        def __ge__(self, other):
+            return mycmp(self.obj, other.obj) >= 0
+        def __ne__(self, other):
+            return mycmp(self.obj, other.obj) != 0
+    return K
diff --git a/app/organization/media/migrations/0003_auto_20160930_1039.py b/app/organization/media/migrations/0004_auto_20160930_1039.py
similarity index 93%
rename from app/organization/media/migrations/0003_auto_20160930_1039.py
rename to app/organization/media/migrations/0004_auto_20160930_1039.py
index 0caaa913..309a1946 100644
--- a/app/organization/media/migrations/0003_auto_20160930_1039.py
+++ b/app/organization/media/migrations/0004_auto_20160930_1039.py
@@ -10,7 +10,7 @@ from django.utils.timezone import utc
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('organization-media', '0002_auto_20160929_1310'),
+        ('organization-media', '0003_auto_20160929_1835'),
     ]
 
     operations = [
diff --git a/app/organization/media/views.py b/app/organization/media/views.py
index cbdce938..525895f8 100644
--- a/app/organization/media/views.py
+++ b/app/organization/media/views.py
@@ -55,7 +55,7 @@ class MediaListView(ListView):
         audios = Audio.objects.all()
         videos = Video.objects.all()
         qsseq = QuerySetSequence(audios, videos)
-        qsseq.order_by('blog.name','-title')
+        qsseq.order_by('created_at',)
         print("----------------------------------")
         print(len(qsseq))
         return qsseq
-- 
2.39.5