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[wolnelektury.git] / src / picture / models.py

diff --git a/src/picture/models.py b/src/picture/models.py
index e203257..7ccd97c 100644 (file)
--- a/src/picture/models.py
+++ b/src/picture/models.py
@@ -1,23 +1,22 @@
-# -*- coding: utf-8 -*-

 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.db import models, transaction
 import catalogue.models
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.db import models, transaction
 import catalogue.models

-from django.db.models import permalink

 from sorl.thumbnail import ImageField
 from django.conf import settings
 from django.contrib.contenttypes.fields import GenericRelation
 from django.core.files.storage import FileSystemStorage
 from sorl.thumbnail import ImageField
 from django.conf import settings
 from django.contrib.contenttypes.fields import GenericRelation
 from django.core.files.storage import FileSystemStorage

+from django.urls import reverse

 from slugify import slugify
 from slugify import slugify

-from ssify import flush_ssi_includes

 
 from catalogue.models.tag import prefetched_relations
 from catalogue.utils import split_tags
 from picture import tasks
 
 from catalogue.models.tag import prefetched_relations
 from catalogue.utils import split_tags
 from picture import tasks

-from StringIO import StringIO
-import jsonfield
+from wolnelektury.utils import cached_render, clear_cached_renders
+from io import BytesIO

 import itertools
 import itertools

+import json

 import logging
 import re
 
 import logging
 import re
 


@@ -34,8 +33,8 @@ picture_storage = FileSystemStorage(location=path.join(
 
 
 class PictureArea(models.Model):
 
 
 class PictureArea(models.Model):

-    picture = models.ForeignKey('picture.Picture', related_name='areas')
-    area = jsonfield.JSONField(_('area'), default={}, editable=False)
+    picture = models.ForeignKey('picture.Picture', models.CASCADE, related_name='areas')
+    area = models.TextField(_('area'), default='{}', editable=False)

     kind = models.CharField(
         _('kind'), max_length=10, blank=False, null=False, db_index=True,
         choices=(('thing', _('thing')), ('theme', _('theme'))))
     kind = models.CharField(
         _('kind'), max_length=10, blank=False, null=False, db_index=True,
         choices=(('thing', _('thing')), ('theme', _('theme'))))


@@ -52,21 +51,24 @@ class PictureArea(models.Model):
         pa = PictureArea()
         pa.picture = picture
         pa.kind = kind
         pa = PictureArea()
         pa.picture = picture
         pa.kind = kind

-        pa.area = coords
+        pa.area = json.dumps(coords)

         return pa
 
         return pa
 

-    def flush_includes(self, languages=True):
-        if not languages:
-            return
-        if languages is True:
-            languages = [lc for (lc, _ln) in settings.LANGUAGES]
-        flush_ssi_includes([
-            template % (self.pk, lang)
-            for template in [
-                '/katalog/pa/%d/short.%s.html',
-                ]
-            for lang in languages
-            ])
+    def get_area_json(self):
+        return json.loads(self.area)
+
+    @cached_render('picture/picturearea_short.html')
+    def midi_box(self):
+        themes = self.tags.filter(category='theme')
+        things = self.tags.filter(category='thing')
+        return {
+            'area': self,
+            'theme': themes[0] if themes else None,
+            'thing': things[0] if things else None,
+        }
+
+    def clear_cache(self):
+        clear_cached_renders(self.midi_box)

 
 
 class Picture(models.Model):
 
 
 class Picture(models.Model):


@@ -78,14 +80,14 @@ class Picture(models.Model):
     slug = models.SlugField(_('slug'), max_length=120, db_index=True, unique=True)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False)
     sort_key_author = models.CharField(
     slug = models.SlugField(_('slug'), max_length=120, db_index=True, unique=True)
     sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False)
     sort_key_author = models.CharField(

-        _('sort key by author'), max_length=120, db_index=True, editable=False, default=u'')
+        _('sort key by author'), max_length=120, db_index=True, editable=False, default='')

     created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
     changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
     xml_file = models.FileField(_('xml file'), upload_to="xml", storage=picture_storage)
     image_file = ImageField(_('image file'), upload_to="images", storage=picture_storage)
     html_file = models.FileField(_('html file'), upload_to="html", storage=picture_storage)
     created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
     changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
     xml_file = models.FileField(_('xml file'), upload_to="xml", storage=picture_storage)
     image_file = ImageField(_('image file'), upload_to="images", storage=picture_storage)
     html_file = models.FileField(_('html file'), upload_to="html", storage=picture_storage)

-    areas_json = jsonfield.JSONField(_('picture areas JSON'), default={}, editable=False)
-    extra_info = jsonfield.JSONField(_('extra information'), default={})
+    areas_json = models.TextField(_('picture areas JSON'), default='{}', editable=False)
+    extra_info = models.TextField(_('extra information'), default='{}')

     culturepl_link = models.CharField(blank=True, max_length=240)
     wiki_link = models.CharField(blank=True, max_length=240)
 
     culturepl_link = models.CharField(blank=True, max_length=240)
     wiki_link = models.CharField(blank=True, max_length=240)
 


@@ -99,6 +101,8 @@ class Picture(models.Model):
 
     short_html_url_name = 'picture_short'
 
 
     short_html_url_name = 'picture_short'
 

+    is_picture = True
+

     class AlreadyExists(Exception):
         pass
 
     class AlreadyExists(Exception):
         pass
 


@@ -108,6 +112,9 @@ class Picture(models.Model):
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
 
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
 

+    def get_extra_info_json(self):
+        return json.loads(self.extra_info or '{}')
+

     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
 
     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
 


@@ -116,14 +123,14 @@ class Picture(models.Model):
         try:
             author = self.authors().first().sort_key
         except AttributeError:
         try:
             author = self.authors().first().sort_key
         except AttributeError:

-            author = u''
+            author = ''

         self.sort_key_author = author
 
         ret = super(Picture, self).save(force_insert, force_update)
 
         return ret
 
         self.sort_key_author = author
 
         ret = super(Picture, self).save(force_insert, force_update)
 
         return ret
 

-    def __unicode__(self):
+    def __str__(self):

         return self.title
 
     def authors(self):
         return self.title
 
     def authors(self):


@@ -142,9 +149,8 @@ class Picture(models.Model):
     def tags_by_category(self):
         return split_tags(self.tags)
 
     def tags_by_category(self):
         return split_tags(self.tags)
 

-    @permalink

     def get_absolute_url(self):
     def get_absolute_url(self):

-        return 'picture.views.picture_detail', [self.slug]
+        return reverse('picture_detail', args=[self.slug])

 
     def get_initial(self):
         try:
 
     def get_initial(self):
         try:


@@ -179,7 +185,7 @@ class Picture(models.Model):
         close_image_file = False
 
         if image_file is not None and not isinstance(image_file, File):
         close_image_file = False
 
         if image_file is not None and not isinstance(image_file, File):

-            image_file = File(open(image_file))
+            image_file = File(open(image_file, 'rb'))

             close_image_file = True
 
         if not isinstance(xml_file, File):
             close_image_file = True
 
         if not isinstance(xml_file, File):


@@ -197,8 +203,8 @@ class Picture(models.Model):
                 raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
 
             picture.areas.all().delete()
                 raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
 
             picture.areas.all().delete()

-            picture.title = unicode(picture_xml.picture_info.title)
-            picture.extra_info = picture_xml.picture_info.to_dict()
+            picture.title = str(picture_xml.picture_info.title)
+            picture.extra_info = json.dumps(picture_xml.picture_info.to_dict())

 
             picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
             for tag in picture_tags:
 
             picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
             for tag in picture_tags:


@@ -270,7 +276,7 @@ class Picture(models.Model):
                     area.tags = _tags.union(picture_tags)
 
             picture.tags = picture_tags
                     area.tags = _tags.union(picture_tags)
 
             picture.tags = picture_tags

-            picture.areas_json = area_data
+            picture.areas_json = json.dumps(area_data)

 
             if image_file is not None:
                 img = image_file
 
             if image_file is not None:
                 img = image_file


@@ -282,7 +288,7 @@ class Picture(models.Model):
 
             picture.width, picture.height = modified.size
 
 
             picture.width, picture.height = modified.size
 

-            modified_file = StringIO()
+            modified_file = BytesIO()

             modified.save(modified_file, format='JPEG', quality=95)
             # FIXME: hardcoded extension - detect from DC format or orginal filename
             picture.image_file.save(path.basename(picture_xml.image_path), File(modified_file))
             modified.save(modified_file, format='JPEG', quality=95)
             # FIXME: hardcoded extension - detect from DC format or orginal filename
             picture.image_file.save(path.basename(picture_xml.image_path), File(modified_file))


@@ -344,23 +350,25 @@ class Picture(models.Model):
             names = [tag[0] for tag in names]
         return ', '.join(names)
 
             names = [tag[0] for tag in names]
         return ', '.join(names)
 

+    @cached_render('picture/picture_mini_box.html')
+    def mini_box(self):
+        return {
+            'picture': self,
+        }
+
+    @cached_render('picture/picture_short.html')
+    def midi_box(self):
+        return {
+            'picture': self,
+        }
+

     def related_themes(self):
         return catalogue.models.Tag.objects.usage_for_queryset(
             self.areas.all(), counts=True).filter(category__in=('theme', 'thing'))
 
     def related_themes(self):
         return catalogue.models.Tag.objects.usage_for_queryset(
             self.areas.all(), counts=True).filter(category__in=('theme', 'thing'))
 

-    def flush_includes(self, languages=True):
-        if not languages:
-            return
-        if languages is True:
-            languages = [lc for (lc, _ln) in settings.LANGUAGES]
-        flush_ssi_includes([
-            template % (self.pk, lang)
-            for template in [
-                '/katalog/p/%d/short.%s.html',
-                '/katalog/p/%d/mini.%s.html',
-                ]
-            for lang in languages
-            ])
+    def clear_cache(self):
+        clear_cached_renders(self.mini_box)
+        clear_cached_renders(self.midi_box)

 
     def search_index(self, picture_info=None, index=None, index_tags=True, commit=True):
         if index is None:
 
     def search_index(self, picture_info=None, index=None, index_tags=True, commit=True):
         if index is None:


@@ -372,6 +380,6 @@ class Picture(models.Model):
                 index.index_tags()
             if commit:
                 index.index.commit()
                 index.index_tags()
             if commit:
                 index.index.commit()

-        except Exception, e:
+        except Exception as e:

             index.index.rollback()
             raise e
             index.index.rollback()
             raise e