form for #cojaczytam
[wolnelektury.git] / src / catalogue / fields.py
index 372cf27..378377c 100644 (file)
@@ -28,6 +28,14 @@ class EbookFieldFile(FieldFile):
         """Builds the ebook in a delayed task."""
         return self.field.builder.delay(self.instance, self.field.attname)
 
+    def get_url(self):
+        return self.instance.media_url(self.field.attname.split('_')[0])
+
+    def set_readable(self, readable):
+        import os
+        permissions = 0o644 if readable else 0o600
+        os.chmod(self.path, permissions)
+
 
 class EbookField(models.FileField):
     """Represents an ebook file field, attachable to a model."""
@@ -91,14 +99,22 @@ class BuildEbook(Task):
         obj.flush_includes()
         return ret
 
+    def set_file_permissions(self, fieldfile):
+        if fieldfile.instance.preview:
+            fieldfile.set_readable(False)
+
     def build(self, fieldfile):
         book = fieldfile.instance
         out = self.transform(book.wldocument(), fieldfile)
         fieldfile.save(None, File(open(out.get_filename())), save=False)
+        self.set_file_permissions(fieldfile)
         if book.pk is not None:
-            type(book).objects.filter(pk=book.pk).update(**{
+            books = type(book).objects.filter(pk=book.pk)
+            books.update(**{
                 fieldfile.field.attname: fieldfile
             })
+            for book in books:
+                book.save()  # just to trigger post-save
         if fieldfile.field.format_name in app_settings.FORMAT_ZIPS:
             remove_zip(app_settings.FORMAT_ZIPS[fieldfile.field.format_name])
 # Don't decorate BuildEbook, because we want to subclass it.
@@ -147,7 +163,7 @@ class BuildMobi(BuildEbook):
 class BuildHtml(BuildEbook):
     def build(self, fieldfile):
         from django.core.files.base import ContentFile
-        from fnpdjango.utils.text.slughifi import slughifi
+        from slugify import slugify
         from sortify import sortify
         from librarian import html
         from catalogue.models import Fragment, Tag
@@ -169,6 +185,7 @@ class BuildHtml(BuildEbook):
                 lang = None
 
             fieldfile.save(None, ContentFile(html_output.get_string()), save=False)
+            self.set_file_permissions(fieldfile)
             type(book).objects.filter(pk=book.pk).update(**{
                 fieldfile.field.attname: fieldfile
             })
@@ -187,7 +204,7 @@ class BuildHtml(BuildEbook):
                     if lang == settings.LANGUAGE_CODE:
                         # Allow creating themes if book in default language.
                         tag, created = Tag.objects.get_or_create(
-                                            slug=slughifi(theme_name),
+                                            slug=slugify(theme_name),
                                             category='theme')
                         if created:
                             tag.name = theme_name
@@ -235,15 +252,38 @@ class BuildHtml(BuildEbook):
         return wldoc.as_html(options={'gallery': "'%s'" % gallery})
 
 
+class BuildCover(BuildEbook):
+    def set_file_permissions(self, fieldfile):
+        pass
+
+
 @BuildEbook.register('cover_thumb')
 @task(ignore_result=True)
-class BuildCoverThumb(BuildEbook):
+class BuildCoverThumb(BuildCover):
     @classmethod
     def transform(cls, wldoc, fieldfile):
         from librarian.cover import WLCover
         return WLCover(wldoc.book_info, height=193).output_file()
 
 
+@BuildEbook.register('cover_api_thumb')
+@task(ignore_result=True)
+class BuildCoverApiThumb(BuildCover):
+    @classmethod
+    def transform(cls, wldoc, fieldfile):
+        from librarian.cover import WLNoBoxCover
+        return WLNoBoxCover(wldoc.book_info, height=500).output_file()
+
+
+@BuildEbook.register('simple_cover')
+@task(ignore_result=True)
+class BuildSimpleCover(BuildCover):
+    @classmethod
+    def transform(cls, wldoc, fieldfile):
+        from librarian.cover import WLNoBoxCover
+        return WLNoBoxCover(wldoc.book_info, height=1000).output_file()
+
+
 # not used, but needed for migrations
 class OverwritingFieldFile(FieldFile):
     """