Fundraising in PDF.
[wolnelektury.git] / src / picture / models.py
index 7732e20..dec9960 100644 (file)
@@ -1,29 +1,27 @@
-# -*- 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.
+# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. 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 django.utils.datastructures import SortedDict
-from fnpdjango.utils.text.slughifi import slughifi
-from ssify import flush_ssi_includes
+from django.urls import reverse
+from slugify import slugify
 
 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 json
 import logging
 import re
 
 from PIL import Image
 
-from django.utils.translation import ugettext_lazy as _
 from newtagging import managers
 from os import path
 
@@ -34,11 +32,12 @@ picture_storage = FileSystemStorage(location=path.join(
 
 
 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('obszar', default='{}', editable=False)
     kind = models.CharField(
-        _('kind'), max_length=10, blank=False, null=False, db_index=True,
-        choices=(('thing', _('thing')), ('theme', _('theme'))))
+        'typ', max_length=10, blank=False, null=False, db_index=True,
+        choices=(('thing', 'przedmiot'), ('theme', 'motyw'))
+    )
 
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(catalogue.models.Tag)
@@ -52,21 +51,11 @@ class PictureArea(models.Model):
         pa = PictureArea()
         pa.picture = picture
         pa.kind = kind
-        pa.area = coords
+        pa.area = json.dumps(coords)
         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)
 
 
 class Picture(models.Model):
@@ -74,18 +63,18 @@ class Picture(models.Model):
     Picture resource.
 
     """
-    title = models.CharField(_('title'), max_length=32767)
-    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)
+    title = models.CharField('tytuł', max_length=32767)
+    slug = models.SlugField('slug', max_length=120, db_index=True, unique=True)
+    sort_key = models.CharField('klucz sortowania', 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'')
-    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={})
+        'klucz sortowania wg autora', max_length=120, db_index=True, editable=False, default='')
+    created_at = models.DateTimeField('data utworzenia', auto_now_add=True, db_index=True)
+    changed_at = models.DateTimeField('data zmiany', auto_now=True, db_index=True)
+    xml_file = models.FileField('plik xml', upload_to="xml", storage=picture_storage)
+    image_file = ImageField('plik obrazu', upload_to="images", storage=picture_storage)
+    html_file = models.FileField('plik html', upload_to="html", storage=picture_storage)
+    areas_json = models.TextField('obszary w JSON', default='{}', editable=False)
+    extra_info = models.TextField('dodatkowa informacja', default='{}')
     culturepl_link = models.CharField(blank=True, max_length=240)
     wiki_link = models.CharField(blank=True, max_length=240)
 
@@ -99,14 +88,19 @@ class Picture(models.Model):
 
     short_html_url_name = 'picture_short'
 
+    is_picture = True
+
     class AlreadyExists(Exception):
         pass
 
     class Meta:
         ordering = ('sort_key_author', 'sort_key')
 
-        verbose_name = _('picture')
-        verbose_name_plural = _('pictures')
+        verbose_name = 'obraz'
+        verbose_name_plural = 'obrazy'
+
+    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
@@ -116,19 +110,28 @@ class Picture(models.Model):
         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
 
-    def __unicode__(self):
+    def __str__(self):
         return self.title
 
     def authors(self):
         return self.tags.filter(category='author')
 
+    def epochs(self):
+        return self.tags.filter(category='epoch')
+
+    def genres(self):
+        return self.tags.filter(category='genre')
+
+    def kinds(self):
+        return self.tags.filter(category='kind')
+
     def tag_unicode(self, category):
         relations = prefetched_relations(self, category)
         if relations:
@@ -139,9 +142,11 @@ class Picture(models.Model):
     def author_unicode(self):
         return self.tag_unicode('author')
 
-    @permalink
+    def tags_by_category(self):
+        return split_tags(self.tags)
+
     def get_absolute_url(self):
-        return 'picture.views.picture_detail', [self.slug]
+        return reverse('picture_detail', args=[self.slug])
 
     def get_initial(self):
         try:
@@ -176,7 +181,7 @@ class Picture(models.Model):
         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):
@@ -194,8 +199,8 @@ class Picture(models.Model):
                 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:
@@ -220,7 +225,7 @@ class Picture(models.Model):
                         # str.capitalize() is wrong, because it also lowers letters
                         objname = objname[0].upper() + objname[1:]
                         tag, created = catalogue.models.Tag.objects.get_or_create(
-                            slug=slughifi(objname), category='thing')
+                            slug=slugify(objname), category='thing')
                         if created:
                             tag.name = objname
                             setattr(tag, 'name_%s' % lang, tag.name)
@@ -245,7 +250,7 @@ class Picture(models.Model):
                     for motifs in part['themes']:
                         for motif in motifs.split(','):
                             tag, created = catalogue.models.Tag.objects.get_or_create(
-                                slug=slughifi(motif), category='theme')
+                                slug=slugify(motif), category='theme')
                             if created:
                                 tag.name = motif
                                 tag.sort_key = sortify(tag.name)
@@ -267,7 +272,7 @@ class Picture(models.Model):
                     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
@@ -279,7 +284,7 @@ class Picture(models.Model):
 
             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))
@@ -320,33 +325,6 @@ class Picture(models.Model):
         annotated.paste(annotation.resize((img.size[0], 40), Image.ANTIALIAS), (0, img.size[1]))
         return annotated
 
-    # WTF/unused
-    @classmethod
-    def picture_list(cls, filter=None):
-        """Generates a hierarchical listing of all pictures
-        Pictures are optionally filtered with a test function.
-        """
-
-        pics = cls.objects.all().order_by('sort_key').only('title', 'slug', 'image_file')
-
-        if filter:
-            pics = pics.filter(filter).distinct()
-
-        pics_by_author = SortedDict()
-        orphans = []
-        for tag in catalogue.models.Tag.objects.filter(category='author'):
-            pics_by_author[tag] = []
-
-        for pic in pics.iterator():
-            authors = list(pic.authors().only('pk'))
-            if authors:
-                for author in authors:
-                    pics_by_author[author].append(pic)
-            else:
-                orphans.append(pic)
-
-        return pics_by_author, orphans
-
     @property
     def info(self):
         if not hasattr(self, '_info'):
@@ -366,20 +344,15 @@ class Picture(models.Model):
             names = [tag[0] for tag in names]
         return ', '.join(names)
 
+    @cached_render('picture/picture_mini_box.html')
+    def mini_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 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)