+from floof.lib.file_storage import get_path, save_file
+
+from floof.lib.dbhelpers import find_or_create
+
+
+
+class Art(Entity):
+ title = Field(Unicode(120))
+ original_filename = Field(Unicode(120))
+ hash = Field(String)
+
+ uploaded_by = ManyToOne('User')
+ tags = OneToMany('Tag')
+
+ # def __init__(self, **kwargs):
+ # # I wanted to check for the existence of the file, but...
+ # # for some reason this FieldStorage object always conditions as falsey.
+ # # self.hash = save_file("art", kwargs.pop('file'))
+ # super(Art, self).__init__(**kwargs)
+ # # this is what super is doing, pretty much.
+ # # for key, value in kwargs.items():
+ # # setattr(self, key, value)
+ # left for posterity.
+
+ def set_file(self, file):
+ self.hash = save_file("art", file)
+
+ file = property(get_path, set_file)
+
+ def get_path(self):
+ if self.hash:
+ return get_path("art", self.hash)
+
+
+ def add_tags(self, tags, user):
+ for tag in tags.split():
+ if len(tag) > 50:
+ raise "Long Tag!" # can we handle this more gracefully?
+ # sqlite seems happy to store strings much longer than the supplied limit...
+
+ # elixir should really have its own find_or_create.
+ tagtext = find_or_create(TagText, text=tag)
+ tag = find_or_create(Tag, art=self, tagger=user, tagtext=tagtext)
+
+
+ def __unicode__(self):
+ return self.get_path()
+
+
+class Tag(Entity):
+ # look into how ondelete works. It just sets a database property.
+ art = ManyToOne('Art', ondelete='cascade')
+ tagger = ManyToOne('User')
+ tagtext = ManyToOne('TagText')
+
+ # this text setter is no longer useful since I changed the way Art#add_tags works
+ # but I'll leave it in here just for several minutes nostalgia.
+ # def set_text(self, text):
+ # self.tagtext = TagText.get_by(text=text)
+ # if not self.tagtext:
+ # self.tagtext = TagText(text=text)
+ #
+ # text = property(lambda self: self.tagtext.text, set_text)
+
+ def __unicode__(self):
+ if not self.tagtext:
+ return "(broken)"
+ return unicode(self.tagtext)
+
+
+class TagText(Entity):
+ text = Field(Unicode(50)) # gotta enforce this somehow
+ tags = OneToMany('Tag')
+
+ def __unicode__(self):
+ return self.text
\ No newline at end of file