X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/d2199704c75d29ba98e0f92d27cb63743183e906..9e4694c764fb9d51f71e4010e9a6c286d46f496f:/apps/picture/models.py

diff --git a/apps/picture/models.py b/apps/picture/models.py
index 2703c8091..d8783cb62 100644
--- a/apps/picture/models.py
+++ b/apps/picture/models.py
@@ -16,17 +16,18 @@ from StringIO import StringIO
 import jsonfield
 import itertools
 import logging
-logging.basicConfig(level=logging.DEBUG)
 from sorl.thumbnail import get_thumbnail, default
 from .engine import CustomCroppingEngine
 
 from PIL import Image
 
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import get_language, ugettext_lazy as _
 from newtagging import managers
 from os import path
 
 
+permanent_cache = get_cache('permanent')
+
 picture_storage = FileSystemStorage(location=path.join(
         settings.MEDIA_ROOT, 'pictures'),
         base_url=settings.MEDIA_URL + "pictures/")
@@ -52,10 +53,35 @@ class PictureArea(models.Model):
         pa.area = coords
         return pa
 
+    def reset_short_html(self):
+        if self.id is None:
+            return
+
+        cache_key = "PictureArea.short_html/%d/%s"
+        for lang, langname in settings.LANGUAGES:
+            permanent_cache.delete(cache_key % (self.id, lang))
+
+
     def short_html(self):
-        short_html = unicode(render_to_string(
-                'picture/picturearea_short.html', {'area': self}))
-        return mark_safe(short_html)
+        if self.id:
+            cache_key = "PictureArea.short_html/%d/%s" % (self.id, get_language())
+            short_html = permanent_cache.get(cache_key)
+        else:
+            short_html = None
+    
+        if short_html is not None:
+            return mark_safe(short_html)
+        else:
+            theme = self.tags.filter(category='theme')
+            theme = theme and theme[0] or None
+            thing = self.tags.filter(category='thing')
+            thing = thing and thing[0] or None
+            area = self
+            short_html = unicode(render_to_string(
+                    'picture/picturearea_short.html', locals()))
+            if self.id:
+                permanent_cache.set(cache_key, short_html)
+            return mark_safe(short_html)
 
 
 class Picture(models.Model):
@@ -66,6 +92,7 @@ class Picture(models.Model):
     title       = models.CharField(_('title'), max_length=120)
     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'')
     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)
@@ -76,6 +103,8 @@ class Picture(models.Model):
     culturepl_link   = models.CharField(blank=True, max_length=240)
     wiki_link     = models.CharField(blank=True, max_length=240)
 
+    _related_info = jsonfield.JSONField(blank=True, null=True, editable=False)
+
     width       = models.IntegerField(null=True)
     height      = models.IntegerField(null=True)
 
@@ -148,8 +177,10 @@ class Picture(models.Model):
             picture.title = unicode(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))
             motif_tags = set()
             thing_tags = set()
+
             area_data = {'themes':{}, 'things':{}}
 
             for part in picture_xml.partiter():
@@ -191,10 +222,9 @@ class Picture(models.Model):
                     logging.debug("coords for theme: %s" % part['coords'])
                     area = PictureArea.rectangle(picture, 'theme', part['coords'])
                     area.save()
-                    area.tags = _tags
+                    area.tags = _tags.union(picture_tags)
 
-            picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \
-                list(motif_tags) + list(thing_tags)
+            picture.tags = picture_tags.union(motif_tags).union(thing_tags)
             picture.areas_json = area_data
 
             if image_file is not None:
@@ -203,6 +233,8 @@ class Picture(models.Model):
                 img = picture_xml.image_file()
 
             modified = cls.crop_to_frame(picture_xml, img)
+            modified = cls.add_source_note(picture_xml, modified)
+
             picture.width, picture.height = modified.size
 
             modified_file = StringIO()
@@ -237,6 +269,26 @@ class Picture(models.Model):
         img = img.crop(itertools.chain(*wlpic.frame))
         return img
 
+    @staticmethod
+    def add_source_note(wlpic, img):
+        from PIL import ImageDraw, ImageFont
+        from librarian import get_resource
+
+        annotated = Image.new(img.mode, 
+                (img.size[0], img.size[1] + 40), 
+                (255, 255, 255)
+            )
+        annotated.paste(img, (0, 0))
+        annotation = Image.new(img.mode, (3000, 120), (255, 255, 255))
+        ImageDraw.Draw(annotation).text(
+            (30, 15),
+            wlpic.picture_info.source_name,
+            (0, 0, 0),
+            font=ImageFont.truetype(get_resource("fonts/DejaVuSerif.ttf"), 75)
+        )
+        annotated.paste(annotation.resize((1000, 40), Image.ANTIALIAS), (0, img.size[1]))
+        return annotated
+
     @classmethod
     def picture_list(cls, filter=None):
         """Generates a hierarchical listing of all pictures
@@ -276,13 +328,24 @@ class Picture(models.Model):
     def reset_short_html(self):
         if self.id is None:
             return
+        
+        type(self).objects.filter(pk=self.pk).update(_related_info=None)
+        for area in self.areas.all().iterator():
+            area.reset_short_html()
+
+        try: 
+            author = self.tags.filter(category='author')[0].sort_key
+        except IndexError:
+            author = u''
+        type(self).objects.filter(pk=self.pk).update(sort_key_author=author)
 
-        cache_key = "Picture.short_html/%d" % (self.id)
-        get_cache('permanent').delete(cache_key)
+        cache_key = "Picture.short_html/%d/%s"
+        for lang, langname in settings.LANGUAGES:
+            permanent_cache.delete(cache_key % (self.id, lang))
 
     def short_html(self):
         if self.id:
-            cache_key = "Picture.short_html/%d" % (self.id)
+            cache_key = "Picture.short_html/%d/%s" % (self.id, get_language())
             short_html = get_cache('permanent').get(cache_key)
         else:
             short_html = None
@@ -314,3 +377,90 @@ class Picture(models.Model):
         else:
             names = [tag[0] for tag in names]
         return ', '.join(names)
+
+    def related_info(self):
+        """Keeps info about related objects (tags) in cache field."""
+        if self._related_info is not None:
+            return self._related_info
+        else:
+            rel = {'tags': {}}
+
+            tags = self.tags.filter(category__in=(
+                    'author', 'kind', 'genre', 'epoch'))
+            tags = split_tags(tags)
+            for category in tags:
+                cat = []
+                for tag in tags[category]:
+                    tag_info = {'slug': tag.slug, 'name': tag.name}
+                    for lc, ln in settings.LANGUAGES:
+                        tag_name = getattr(tag, "name_%s" % lc)
+                        if tag_name:
+                            tag_info["name_%s" % lc] = tag_name
+                    cat.append(tag_info)
+                rel['tags'][category] = cat
+            
+
+            if self.pk:
+                type(self).objects.filter(pk=self.pk).update(_related_info=rel)
+            return rel
+
+    # copied from book.py, figure out 
+    def related_themes(self):
+        # self.theme_counter hides a computation, so a line below actually makes sense
+        theme_counter = self.theme_counter
+        picture_themes = list(catalogue.models.Tag.objects.filter(pk__in=theme_counter.keys()))
+        for tag in picture_themes:
+            tag.count = theme_counter[tag.pk]
+        return picture_themes
+
+    def reset_tag_counter(self):
+        if self.id is None:
+            return
+
+        cache_key = "Picture.tag_counter/%d" % self.id
+        permanent_cache.delete(cache_key)
+        if self.parent:
+            self.parent.reset_tag_counter()
+
+    @property
+    def tag_counter(self):
+        if self.id:
+            cache_key = "Picture.tag_counter/%d" % self.id
+            tags = permanent_cache.get(cache_key)
+        else:
+            tags = None
+
+        if tags is None:
+            tags = {}
+            # do we need to do this? there are no children here.
+            for tag in self.tags.exclude(category__in=('book', 'theme', 'thing', 'set')).order_by().iterator():
+                tags[tag.pk] = 1
+
+            if self.id:
+                permanent_cache.set(cache_key, tags)
+        return tags
+
+    def reset_theme_counter(self):
+        if self.id is None:
+            return
+
+        cache_key = "Picture.theme_counter/%d" % self.id
+        permanent_cache.delete(cache_key)
+
+    @property
+    def theme_counter(self):
+        if self.id:
+            cache_key = "Picture.theme_counter/%d" % self.id
+            tags = permanent_cache.get(cache_key)
+        else:
+            tags = None
+
+        if tags is None:
+            tags = {}
+            for area in PictureArea.objects.filter(picture=self).order_by().iterator():
+                for tag in area.tags.filter(category__in=('theme','thing')).order_by().iterator():
+                    tags[tag.pk] = tags.get(tag.pk, 0) + 1
+
+            if self.id:
+                permanent_cache.set(cache_key, tags)
+        return tags