Trivial updates.
[wolnelektury.git] / src / picture / models.py
index 020d3f5..75d84e2 100644 (file)
@@ -1,19 +1,20 @@
-# -*- 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.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 picture import tasks
-from StringIO import StringIO
+from wolnelektury.utils import cached_render, clear_cached_renders
+from io import BytesIO
 import jsonfield
 import itertools
 import logging
 import jsonfield
 import itertools
 import logging
@@ -32,7 +33,7 @@ picture_storage = FileSystemStorage(location=path.join(
 
 
 class PictureArea(models.Model):
 
 
 class PictureArea(models.Model):
-    picture = models.ForeignKey('picture.Picture', related_name='areas')
+    picture = models.ForeignKey('picture.Picture', models.CASCADE, related_name='areas')
     area = jsonfield.JSONField(_('area'), default={}, editable=False)
     kind = models.CharField(
         _('kind'), max_length=10, blank=False, null=False, db_index=True,
     area = jsonfield.JSONField(_('area'), default={}, editable=False)
     kind = models.CharField(
         _('kind'), max_length=10, blank=False, null=False, db_index=True,
@@ -53,18 +54,18 @@ class PictureArea(models.Model):
         pa.area = coords
         return pa
 
         pa.area = 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
-            ])
+    @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):
@@ -79,9 +80,9 @@ class Picture(models.Model):
         _('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)
         _('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)
+    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={})
     culturepl_link = models.CharField(blank=True, max_length=240)
     areas_json = jsonfield.JSONField(_('picture areas JSON'), default={}, editable=False)
     extra_info = jsonfield.JSONField(_('extra information'), default={})
     culturepl_link = models.CharField(blank=True, max_length=240)
@@ -101,7 +102,7 @@ class Picture(models.Model):
         pass
 
     class Meta:
         pass
 
     class Meta:
-        ordering = ('sort_key',)
+        ordering = ('sort_key_author', 'sort_key')
 
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
 
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
@@ -112,8 +113,8 @@ class Picture(models.Model):
         self.sort_key = sortify(self.title)[:120]
 
         try:
         self.sort_key = sortify(self.title)[:120]
 
         try:
-            author = self.tags.filter(category='author')[0].sort_key
-        except IndexError:
+            author = self.authors().first().sort_key
+        except AttributeError:
             author = u''
         self.sort_key_author = author
 
             author = u''
         self.sort_key_author = author
 
@@ -121,15 +122,27 @@ class Picture(models.Model):
 
         return ret
 
 
         return ret
 
-    def __unicode__(self):
+    def __str__(self):
         return self.title
 
         return self.title
 
-    def author_str(self):
-        return ", ".join(str(t) for t in self.tags.filter(category='author'))
+    def authors(self):
+        return self.tags.filter(category='author')
+
+    def tag_unicode(self, category):
+        relations = prefetched_relations(self, category)
+        if relations:
+            return ', '.join(rel.tag.name for rel in relations)
+        else:
+            return ', '.join(self.tags.filter(category=category).values_list('name', flat=True))
+
+    def author_unicode(self):
+        return self.tag_unicode('author')
+
+    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:
@@ -150,7 +163,7 @@ class Picture(models.Model):
             return None
 
     @classmethod
             return None
 
     @classmethod
-    def from_xml_file(cls, xml_file, image_file=None, image_store=None, overwrite=False):
+    def from_xml_file(cls, xml_file, image_file=None, image_store=None, overwrite=False, search_index=True):
         """
         Import xml and it's accompanying image file.
         If image file is missing, it will be fetched by librarian.picture.ImageStore
         """
         Import xml and it's accompanying image file.
         If image file is missing, it will be fetched by librarian.picture.ImageStore
@@ -164,7 +177,7 @@ 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):
@@ -182,12 +195,14 @@ 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.title = str(picture_xml.picture_info.title)
             picture.extra_info = picture_xml.picture_info.to_dict()
 
             picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
             picture.extra_info = picture_xml.picture_info.to_dict()
 
             picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
-            motif_tags = set()
-            thing_tags = set()
+            for tag in picture_tags:
+                if not tag.for_pictures:
+                    tag.for_pictures = True
+                    tag.save()
 
             area_data = {'themes': {}, 'things': {}}
 
 
             area_data = {'themes': {}, 'things': {}}
 
@@ -201,36 +216,47 @@ class Picture(models.Model):
                 if part.get('object', None) is not None:
                     _tags = set()
                     for objname in part['object'].split(','):
                 if part.get('object', None) is not None:
                     _tags = set()
                     for objname in part['object'].split(','):
-                        objname = objname.strip().capitalize()
+                        objname = objname.strip()
+                        assert objname, 'Empty object name'
+                        # str.capitalize() is wrong, because it also lowers letters
+                        objname = objname[0].upper() + objname[1:]
                         tag, created = catalogue.models.Tag.objects.get_or_create(
                         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)
                             tag.sort_key = sortify(tag.name)
                         if created:
                             tag.name = objname
                             setattr(tag, 'name_%s' % lang, tag.name)
                             tag.sort_key = sortify(tag.name)
+                            tag.for_pictures = True
                             tag.save()
                             tag.save()
-                        # thing_tags.add(tag)
                         area_data['things'][tag.slug] = {
                             'object': objname,
                             'coords': part['coords'],
                             }
 
                         _tags.add(tag)
                         area_data['things'][tag.slug] = {
                             'object': objname,
                             'coords': part['coords'],
                             }
 
                         _tags.add(tag)
+                        if not tag.for_pictures:
+                            tag.for_pictures = True
+                            tag.save()
                     area = PictureArea.rectangle(picture, 'thing', part['coords'])
                     area.save()
                     area = PictureArea.rectangle(picture, 'thing', part['coords'])
                     area.save()
+                    # WTF thing area does not inherit tags from picture and theme area does, is it intentional?
                     area.tags = _tags
                 else:
                     _tags = set()
                     for motifs in part['themes']:
                         for motif in motifs.split(','):
                             tag, created = catalogue.models.Tag.objects.get_or_create(
                     area.tags = _tags
                 else:
                     _tags = set()
                     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)
                             if created:
                                 tag.name = motif
                                 tag.sort_key = sortify(tag.name)
+                                tag.for_pictures = True
                                 tag.save()
                             # motif_tags.add(tag)
                             _tags.add(tag)
                                 tag.save()
                             # motif_tags.add(tag)
                             _tags.add(tag)
+                            if not tag.for_pictures:
+                                tag.for_pictures = True
+                                tag.save()
                             area_data['themes'][tag.slug] = {
                                 'theme': motif,
                                 'coords': part['coords']
                             area_data['themes'][tag.slug] = {
                                 'theme': motif,
                                 'coords': part['coords']
@@ -241,7 +267,7 @@ class Picture(models.Model):
                     area.save()
                     area.tags = _tags.union(picture_tags)
 
                     area.save()
                     area.tags = _tags.union(picture_tags)
 
-            picture.tags = picture_tags.union(motif_tags).union(thing_tags)
+            picture.tags = picture_tags
             picture.areas_json = area_data
 
             if image_file is not None:
             picture.areas_json = area_data
 
             if image_file is not None:
@@ -254,7 +280,7 @@ 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))
@@ -262,6 +288,8 @@ class Picture(models.Model):
             picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
             picture.save()
             tasks.generate_picture_html(picture.id)
             picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
             picture.save()
             tasks.generate_picture_html(picture.id)
+            if not settings.NO_SEARCH_INDEX and search_index:
+                tasks.index_picture.delay(picture.id, picture_info=picture_xml.picture_info)
 
         if close_xml_file:
             xml_file.close()
 
         if close_xml_file:
             xml_file.close()
@@ -295,33 +323,6 @@ class Picture(models.Model):
         annotated.paste(annotation.resize((img.size[0], 40), Image.ANTIALIAS), (0, img.size[1]))
         return annotated
 
         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.tags.filter(category='author'))
-            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'):
     @property
     def info(self):
         if not hasattr(self, '_info'):
@@ -332,9 +333,7 @@ class Picture(models.Model):
         return self._info
 
     def pretty_title(self, html_links=False):
         return self._info
 
     def pretty_title(self, html_links=False):
-        picture = self
-        names = [(tag.name, tag.get_absolute_url())
-                 for tag in self.tags.filter(category='author')]
+        names = [(tag.name, tag.get_absolute_url()) for tag in self.authors().only('name', 'category', 'slug')]
         names.append((self.title, self.get_absolute_url()))
 
         if html_links:
         names.append((self.title, self.get_absolute_url()))
 
         if html_links:
@@ -343,20 +342,36 @@ 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:
+            from search.index import Index
+            index = Index()
+        try:
+            index.index_picture(self, picture_info)
+            if index_tags:
+                index.index_tags()
+            if commit:
+                index.index.commit()
+        except Exception as e:
+            index.index.rollback()
+            raise e