Move diagnostics, statistics and maintenance functions from the main app into separate apps

apps/statistics/__init__.py

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+from __future__ import absolute_import
+
+from project_tools.api import register_tool
+
+from .links import statistics
+
+register_tool(statistics)

apps/statistics/links.py

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+from __future__ import absolute_import
+
+from django.utils.translation import ugettext_lazy as _
+
+from navigation.api import Link
+
+
+def is_superuser(context):
+    return context['request'].user.is_staff or context['request'].user.is_superuser
+
+statistics = Link(text=_(u'statistics'), view='statistics', sprite='table', icon='blackboard_sum.png', condition=is_superuser, children_view_regex=[r'statistics'])

apps/statistics/models.py

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+from django.db import models
+
+# Create your models here.

apps/statistics/urls.py

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+from django.conf.urls.defaults import patterns, url
+
+urlpatterns = patterns('statistics.views',
+    url(r'^$', 'statistics', (), 'statistics'),
+)

apps/statistics/views.py

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+from __future__ import absolute_import
+
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.translation import ugettext_lazy as _
+
+from documents.statistics import get_statistics as documents_statistics
+from ocr.statistics import get_statistics as ocr_statistics
+
+from .api import diagnostics, tools
+
+
+def statistics(request):
+    if request.user.is_superuser or request.user.is_staff:
+        blocks = []
+        blocks.append(documents_statistics())
+        blocks.append(ocr_statistics())
+
+        return render_to_response('statistics.html', {
+            'blocks': blocks,
+            'title': _(u'Statistics')
+        },
+        context_instance=RequestContext(request))
+    else:
+        raise PermissionDenied