Add cover with logos.

[wolnelektury.git] / apps / catalogue / fields.py

diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py
index 2c4e4d5..9d7dcf2 100644 (file)
--- a/apps/catalogue/fields.py
+++ b/apps/catalogue/fields.py
@@ -7,9 +7,9 @@ from django.core.files import File
 from django.db import models
 from django.db.models.fields.files import FieldFile
 from catalogue import app_settings
+from catalogue.constants import LANGUAGES_3TO2
 from catalogue.utils import remove_zip, truncate_html_words
-from celery import Task
-from celery.task import task
+from celery.task import Task, task
 from waiter.utils import clear_cache
 
 
@@ -18,11 +18,11 @@ class EbookFieldFile(FieldFile):
 
     def build(self):
         """Build the ebook immediately."""
-        return self.field.builder(self)
+        return self.field.builder.build(self)
 
     def build_delay(self):
         """Builds the ebook in a delayed task."""
-        return self.field.builder.delay(self)
+        return self.field.builder.delay(self.instance, self.field.attname)
 
 
 class EbookField(models.FileField):
@@ -75,7 +75,11 @@ class BuildEbook(Task):
         """
         return getattr(wldoc, "as_%s" % fieldfile.field.format_name)()
 
-    def run(self, fieldfile):
+    def run(self, obj, field_name):
+        """Just run `build` on FieldFile, can't pass it directly to Celery."""
+        return self.build(getattr(obj, field_name))
+
+    def build(self, fieldfile):
         book = fieldfile.instance
         out = self.transform(book.wldocument(), fieldfile)
         fieldfile.save(None, File(open(out.get_filename())), save=False)
@@ -102,19 +106,28 @@ class BuildTxt(BuildEbook):
 class BuildPdf(BuildEbook):
     @staticmethod
     def transform(wldoc, fieldfile):
-        return wldoc.as_pdf(morefloats=settings.LIBRARIAN_PDF_MOREFLOATS)
+        return wldoc.as_pdf(morefloats=settings.LIBRARIAN_PDF_MOREFLOATS,
+            cover=True)
 
-    def run(self, fieldfile):
-        BuildEbook.run(self, fieldfile)
+    def build(self, fieldfile):
+        BuildEbook.build(self, fieldfile)
         clear_cache(fieldfile.instance.slug)
 
 
+@BuildEbook.register('epub')
+@task(ignore_result=True)
+class BuildEpub(BuildEbook):
+    @staticmethod
+    def transform(wldoc, fieldfile):
+        return wldoc.as_epub(cover=True)
+
+
 @BuildEbook.register('html')
 @task(ignore_result=True)
 class BuildHtml(BuildEbook):
-    def run(self, fieldfile):
+    def build(self, fieldfile):
         from django.core.files.base import ContentFile
-        from slughifi import slughifi
+        from fnpdjango.utils.text.slughifi import slughifi
         from sortify import sortify
         from librarian import html
         from catalogue.models import Fragment, Tag
@@ -128,6 +141,11 @@ class BuildHtml(BuildEbook):
         html_output = self.transform(
                         book.wldocument(parse_dublincore=False),
                         fieldfile)
+        lang = book.language
+        lang = LANGUAGES_3TO2.get(lang, lang)
+        if lang not in [ln[0] for ln in settings.LANGUAGES]:
+            lang = None
+
         if html_output:
             fieldfile.save(None, ContentFile(html_output.get_string()),
                     save=False)
@@ -155,14 +173,26 @@ class BuildHtml(BuildEbook):
                 for theme_name in theme_names:
                     if not theme_name:
                         continue
-                    tag, created = Tag.objects.get_or_create(
-                                        slug=slughifi(theme_name),
-                                        category='theme')
-                    if created:
-                        tag.name = theme_name
-                        tag.sort_key = sortify(theme_name.lower())
-                        tag.save()
-                    themes.append(tag)
+                    if lang == settings.LANGUAGE_CODE:
+                        # Allow creating themes if book in default language.
+                        tag, created = Tag.objects.get_or_create(
+                                            slug=slughifi(theme_name),
+                                            category='theme')
+                        if created:
+                            tag.name = theme_name
+                            setattr(tag, "name_%s" % lang, theme_name)
+                            tag.sort_key = sortify(theme_name.lower())
+                            tag.save()
+                        themes.append(tag)
+                    elif lang is not None:
+                        # Don't create unknown themes in non-default languages.
+                        try:
+                            tag = Tag.objects.get(category='theme',
+                                    **{"name_%s" % lang: theme_name})
+                        except Tag.DoesNotExist:
+                            pass
+                        else:
+                            themes.append(tag)
                 if not themes:
                     continue
 
@@ -179,6 +209,15 @@ class BuildHtml(BuildEbook):
             return True
         return False
 
+@BuildEbook.register('cover_thumb')
+@task(ignore_result=True)
+class BuildCoverThumb(BuildEbook):
+    @classmethod
+    def transform(cls, wldoc, fieldfile):
+        from librarian.cover import WLCover
+        return WLCover(wldoc.book_info, height=193).output_file()
+
+
 
 class OverwritingFieldFile(FieldFile):
     """