Isbns, and minor fixes.

[redakcja.git] / src / documents / models / book.py

diff --git a/src/documents/models/book.py b/src/documents/models/book.py
index 0e696e4..a13c00b 100644 (file)
--- a/src/documents/models/book.py
+++ b/src/documents/models/book.py
@@ -2,14 +2,16 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.apps import apps
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.apps import apps

+from django.core.files.base import ContentFile

 from django.contrib.sites.models import Site
 from django.contrib.sites.models import Site

-from django.db import models, transaction
+from django.db import connection, models, transaction

 from django.template.loader import render_to_string
 from django.urls import reverse
 from django.template.loader import render_to_string
 from django.urls import reverse

-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _

 from django.conf import settings
 from slugify import slugify
 from django.conf import settings
 from slugify import slugify

-
+from librarian.cover import make_cover
+from librarian.dcparser import BookInfo

 
 import apiclient
 from documents.helpers import cached_in_field, GalleryMerger
 
 import apiclient
 from documents.helpers import cached_in_field, GalleryMerger


@@ -22,6 +24,7 @@ import os
 import shutil
 import re
 
 import shutil
 import re
 

+

 class Book(models.Model):
     """ A document edited on the wiki """
 
 class Book(models.Model):
     """ A document edited on the wiki """
 


@@ -41,6 +44,8 @@ class Book(models.Model):
     _on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)
     dc_cover_image = models.ForeignKey(Image, blank=True, null=True,
         db_index=True, on_delete=models.SET_NULL, editable=False)
     _on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)
     dc_cover_image = models.ForeignKey(Image, blank=True, null=True,
         db_index=True, on_delete=models.SET_NULL, editable=False)

+    dc = models.JSONField(null=True, editable=False)
+    cover = models.FileField(blank=True, upload_to='documents/cover')

     catalogue_book = models.ForeignKey(
         'catalogue.Book',
         models.DO_NOTHING,
     catalogue_book = models.ForeignKey(
         'catalogue.Book',
         models.DO_NOTHING,


@@ -68,6 +73,14 @@ class Book(models.Model):
             qs = qs.filter(public=True)
         return qs
 
             qs = qs.filter(public=True)
         return qs
 

+    @staticmethod
+    def q_dc(field, field_plural, value, prefix=''):
+        if connection.features.supports_json_field_contains:
+            return models.Q(**{f'{prefix}dc__{field_plural}__contains': value})
+        else:
+            return models.Q(**{f'{prefix}dc__{field}': value})
+            
+    

     # Representing
     # ============
 
     # Representing
     # ============
 


@@ -367,6 +380,7 @@ class Book(models.Model):
                 else:
                     if info.cover_source == image.get_full_url():
                         update['dc_cover_image'] = image
                 else:
                     if info.cover_source == image.get_full_url():
                         update['dc_cover_image'] = image

+            update['dc'] = info.to_dict()

         Book.objects.filter(pk=self.pk).update(**update)
 
     def touch(self):
         Book.objects.filter(pk=self.pk).update(**update)
 
     def touch(self):


@@ -378,6 +392,21 @@ class Book(models.Model):
         }
         Book.objects.filter(pk=self.pk).update(**update)
         self.refresh_dc_cache()
         }
         Book.objects.filter(pk=self.pk).update(**update)
         self.refresh_dc_cache()

+        self.build_cover()
+
+    def build_cover(self):
+        width, height = 212, 300
+        try:
+            xml = self.materialize(publishable=True).encode('utf-8')
+            info = BookInfo.from_bytes(xml)
+            cover = make_cover(info, width=width, height=height)
+            out = BytesIO()
+            ext = cover.ext()
+            cover.save(out)
+            self.cover.save(f'{self.slug}.{ext}', out, save=False)
+            type(self).objects.filter(pk=self.pk).update(cover=self.cover)
+        except:
+            type(self).objects.filter(pk=self.pk).update(cover='')

 
     # Materializing & publishing
     # ==========================
 
     # Materializing & publishing
     # ==========================


@@ -413,7 +442,7 @@ class Book(models.Model):
         from librarian.parser import WLDocument
         from librarian.document import WLDocument as WLDocument2
 
         from librarian.parser import WLDocument
         from librarian.document import WLDocument as WLDocument2
 

-        provider = RedakcjaDocProvider(publishable=publishable),
+        provider = RedakcjaDocProvider(publishable=publishable)

         xml = self.materialize(publishable=publishable, changes=changes).encode('utf-8')
         
         if librarian2:
         xml = self.materialize(publishable=publishable, changes=changes).encode('utf-8')
         
         if librarian2: