minor cleanup
[redakcja.git] / apps / catalogue / models / book.py
index 38d8499..4c35e68 100755 (executable)
@@ -32,6 +32,8 @@ class Book(models.Model):
         'self', null=True, blank=True, verbose_name=_('parent'), related_name="children", editable=False)
     parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True, editable=False)
 
         'self', null=True, blank=True, verbose_name=_('parent'), related_name="children", editable=False)
     parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True, editable=False)
 
+    for_cybernauts = models.BooleanField(_('for Cybernauts'), default=False)
+
     # Cache
     _short_html = models.TextField(null=True, blank=True, editable=False)
     _single = models.NullBooleanField(editable=False, db_index=True)
     # Cache
     _short_html = models.TextField(null=True, blank=True, editable=False)
     _single = models.NullBooleanField(editable=False, db_index=True)
@@ -135,7 +137,7 @@ class Book(models.Model):
         return instance
 
     def make_chunk_slug(self, proposed):
         return instance
 
     def make_chunk_slug(self, proposed):
-        """ 
+        """
             Finds a chunk slug not yet used in the book.
         """
         slugs = set(c.slug for c in self)
             Finds a chunk slug not yet used in the book.
         """
         slugs = set(c.slug for c in self)
@@ -198,10 +200,10 @@ class Book(models.Model):
 
         # and move the gallery starts
         if gm.was_merged:
 
         # and move the gallery starts
         if gm.was_merged:
-                for chunk in self[len(self) - len_other:]:
-                        old_start = chunk.gallery_start or 1
-                        chunk.gallery_start = old_start + gm.dest_size - gm.num_deleted
-                        chunk.save()
+            for chunk in self[len(self) - len_other:]:
+                old_start = chunk.gallery_start or 1
+                chunk.gallery_start = old_start + gm.dest_size - gm.num_deleted
+                chunk.save()
 
         other.delete()
 
 
         other.delete()
 
@@ -244,7 +246,7 @@ class Book(models.Model):
     def assert_publishable(self):
         assert self.chunk_set.exists(), _('No chunks in the book.')
         try:
     def assert_publishable(self):
         assert self.chunk_set.exists(), _('No chunks in the book.')
         try:
-            changes = self.get_current_changes(publishable=True)
+            changes = self.get_current_changes()
         except self.NoTextError:
             raise AssertionError(_('Not all chunks have publishable revisions.'))
 
         except self.NoTextError:
             raise AssertionError(_('Not all chunks have publishable revisions.'))
 
@@ -252,6 +254,10 @@ class Book(models.Model):
 
         try:
             bi = self.wldocument(changes=changes, strict=True).book_info
 
         try:
             bi = self.wldocument(changes=changes, strict=True).book_info
+            if not bi.audience:
+                raise ValidationError('No audience specified')
+            if not bi.type:
+                raise ValidationError('No type specified')
         except ParseError, e:
             raise AssertionError(_('Invalid XML') + ': ' + unicode(e))
         except NoDublinCore:
         except ParseError, e:
             raise AssertionError(_('Invalid XML') + ': ' + unicode(e))
         except NoDublinCore:
@@ -313,14 +319,14 @@ class Book(models.Model):
 
     def book_info(self, publishable=True):
         try:
 
     def book_info(self, publishable=True):
         try:
-            book_xml = self.materialize(publishable=publishable)
+            book_xml = self.wl1_xml(publishable=publishable)
         except self.NoTextError:
             pass
         else:
             from librarian.dcparser import BookInfo
             from librarian import NoDublinCore, ParseError, ValidationError
             try:
         except self.NoTextError:
             pass
         else:
             from librarian.dcparser import BookInfo
             from librarian import NoDublinCore, ParseError, ValidationError
             try:
-                return BookInfo.from_string(book_xml.encode('utf-8'))
+                return BookInfo.from_string(book_xml)
             except (self.NoTextError, ParseError, NoDublinCore, ValidationError):
                 return None
 
             except (self.NoTextError, ParseError, NoDublinCore, ValidationError):
                 return None
 
@@ -382,7 +388,7 @@ class Book(models.Model):
         return changes
 
     def materialize(self, publishable=False, changes=None):
         return changes
 
     def materialize(self, publishable=False, changes=None):
-        """ 
+        """
             Get full text of the document compiled from chunks.
             Takes the current versions of all texts
             or versions most recently tagged for publishing,
             Get full text of the document compiled from chunks.
             Takes the current versions of all texts
             or versions most recently tagged for publishing,
@@ -397,21 +403,97 @@ class Book(models.Model):
         from librarian.parser import WLDocument
 
         return WLDocument.from_string(
         from librarian.parser import WLDocument
 
         return WLDocument.from_string(
-                self.materialize(publishable=publishable, changes=changes),
+                self.wl1_xml(publishable=publishable, changes=changes),
                 provider=RedakcjaDocProvider(publishable=publishable),
                 parse_dublincore=parse_dublincore,
                 strict=strict)
 
                 provider=RedakcjaDocProvider(publishable=publishable),
                 parse_dublincore=parse_dublincore,
                 strict=strict)
 
-    def publish(self, user):
+    def publish(self, user, host=None):
         """
             Publishes a book on behalf of a (local) user.
         """
         """
             Publishes a book on behalf of a (local) user.
         """
+        import json
+        import os
+        from django.conf import settings
         self.assert_publishable()
         self.assert_publishable()
-        changes = self.get_current_changes(publishable=True)
-        book_xml = self.materialize(changes=changes)
-        apiclient.api_call(user, "books/", {"book_xml": book_xml})
+        changes = self.get_current_changes()
+        data = {"lesson_xml": self.wl1_xml(changes=changes)}
+        if host:
+            gallery_url = u'%s%s%s%s/' % (host, settings.MEDIA_URL, settings.IMAGE_DIR, self.slug)
+            gallery_dir = os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.slug)
+            if os.path.isdir(gallery_dir):
+                data['gallery_url'] = gallery_url
+                data['attachments'] = json.dumps(os.listdir(gallery_dir))
+        apiclient.api_call(user, "lessons/", data)
         # record the publish
         br = BookPublishRecord.objects.create(book=self, user=user)
         for c in changes:
             ChunkPublishRecord.objects.create(book_record=br, change=c)
         post_publish.send(sender=br)
         # record the publish
         br = BookPublishRecord.objects.create(book=self, user=user)
         for c in changes:
             ChunkPublishRecord.objects.create(book_record=br, change=c)
         post_publish.send(sender=br)
+
+    def wl1_xml(self, publishable=True, changes=None):
+        from lxml import etree
+        import re
+        from StringIO import StringIO
+        from urllib import unquote
+        import os.path
+        from django.conf import settings
+        from fnpdjango.utils.text.slughifi import slughifi
+        from librarian import ParseError, DCNS
+
+        def _register_function(f):
+            """ Register extension function with lxml """
+            ns = etree.FunctionNamespace('http://wolnelektury.pl/functions')
+            ns[f.__name__] = f
+            return f
+
+        @_register_function
+        def slugify(context, text):
+            """Remove unneeded whitespace from beginning and end"""
+            if isinstance(text, list):
+                text = ''.join(text)
+            return slughifi(text)
+
+        @_register_function
+        def rmext(context, text):
+            if isinstance(text, list):
+                text = ''.join(text)
+            text = unquote(text)
+            if '.' in text:
+                name, ext = text.rsplit('.', 1)
+                if ext.lower() in ('doc', 'docx', 'odt', 'pdf', 'jpg', 'jpeg'):
+                    text = name
+            return text
+
+        t = etree.parse(os.path.join(settings.PROJECT_ROOT, 'xslt/wl2to1.xslt'))
+        ft = self.materialize(publishable=publishable, changes=changes)
+        ft = ft.replace(' ', ' ')
+        f2 = StringIO(ft)
+        i1 = etree.parse(f2)
+
+        for sect in i1.findall('//section'):
+            if sect[0].text and sect[0].text.strip() == u'Przebieg zajęć':
+                # Prostujemy.
+                first = sect.find('section')
+                subs = first.findall('.//section')
+                for sub in subs:
+                    sect.append(sub)
+                break
+        else:
+            # print 'BRAK PRZEBIEGU'
+            dc_type = i1.findall('//dc:type', namespaces={'dc': DCNS.uri})
+            if dc_type and dc_type[0] in ('course', 'synthetic'):
+                raise ParseError('Brak przebiegu')
+
+        i1.getroot().attrib['redslug'] = self.slug
+        i1.getroot().attrib['wlslug'] = self.slug  # THIS!
+        # print '.',
+        w1t = i1.xslt(t)
+        for h in w1t.findall('//aktywnosc/opis'):
+            if len(h) == 0:
+                raise ParseError('Pusty element aktywnosc/opis')
+            # FIXME assumption that every lesson has at most 9 parts
+            if not h[0].text or not re.match(r'\d\.\s', h[0].text):
+                raise ParseError('Niepoprawny nagłówek (aktywnosc/opis): %s' % repr(h[0].text))
+            h[0].text = h[0].text[3:]
+        return etree.tostring(w1t, encoding='utf-8')