local changes from server

[redakcja.git] / apps / catalogue / models / document.py

diff --git a/apps/catalogue/models/document.py b/apps/catalogue/models/document.py
new file mode 100755 (executable)
index 0000000..aedbb68
--- /dev/null
+++ b/apps/catalogue/models/document.py
@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of MIL/PEER, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from __future__ import unicode_literals
+
+from datetime import date
+from django.conf import settings
+from django.db import models
+from django.template.loader import render_to_string
+from django.utils.translation import ugettext_lazy as _
+from dvcs.models import Ref
+from organizations.models import Organization
+from catalogue.constants import STAGES
+
+
+class Document(Ref):
+    """ An editable chunk of text."""
+
+    owner_user = models.ForeignKey(settings.AUTH_USER_MODEL, null=True)
+    owner_organization = models.ForeignKey(Organization, null=True)
+    stage = models.CharField(_('stage'), max_length=128, blank=True, default=STAGES[0])
+    assigned_to = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, related_name='assignments')
+    deleted = models.BooleanField(default=False)
+
+    # Where to cache searchable stuff from metadata?
+    # Probably in some kind of search index.
+
+    class Meta:
+        verbose_name = _('document')
+        verbose_name_plural = _('documents')
+
+    def short_html(self):
+        return render_to_string('catalogue/book_list/book.html', {'book': self})
+
+    def meta(self):
+        from lxml import etree
+        # Wrong! should be metadata
+        d = {}
+
+        data = self.materialize()
+        data = data.replace(u'\ufeff', '')
+        # This is bad. The editor shouldn't spew unknown HTML entities.
+        data = data.replace(u' ', u'\u00a0')
+
+        try:
+            t = etree.fromstring(data)
+        except:
+            return {'title': '<<Resource invalid>>'}
+        header = t.find('.//header')
+        if header is None:
+            header = etree.fromstring(data).find('.//{http://nowoczesnapolska.org.pl/sst#}header')
+        d['title'] = getattr(header, 'text', ' ') or ' '
+        #print 'meta', d['title']
+
+        m = t.find('metadata')
+        if m is None:
+            m = t.find('{http://nowoczesnapolska.org.pl/sst#}metadata')
+        if m is not None:
+            c = m.find('{http://purl.org/dc/elements/1.1/}relation.coverimage.url')
+            if c is not None:
+                d['cover_url'] = c.text
+            c = m.find('{http://purl.org/dc/elements/1.1/}audience')
+            if c is not None:
+                d['audience'] = c.text
+
+        return d
+
+    def can_edit(self, user):
+        if self.owner_user:
+            return self.owner_user == user
+        else:
+            return self.owner_organization.is_member(user)
+
+    def set_stage(self, stage):
+        self.stage = stage
+        plan = self.get_plan()
+        if plan is not None:
+            self.assigned_to = plan.user
+        else:
+            self.assigned_to = None
+        self.save()
+
+    def get_plan(self):
+        try:
+            plan = self.plan_set.get(stage=self.stage)
+        except:
+            return None
+        return plan
+
+    def is_overdue(self):
+        plan = self.get_plan()
+        return plan is not None and plan.deadline and plan.deadline < date.today()