tagging works

[zzz-floof.git] / floof / model / art.py

diff --git a/floof/model/art.py b/floof/model/art.py
index 8cfcd5a..66cbe0b 100644 (file)
--- a/floof/model/art.py
+++ b/floof/model/art.py
@@ -1,12 +1,87 @@
-from sqlalchemy import Column, ForeignKey
-from sqlalchemy.orm import relation
-from sqlalchemy.types import Integer, Unicode
+#
+#   floof/floof/model/art.py
+#
+#   Copyright (c) 2009 Scribblr
+#
 
-from floof.model import meta
+# from elixir import Entity, Field, Integer, Unicode
+from elixir import *
 
-__all__ = ['Art']
+from pylons import config
 
-class Art(meta.TableBase):
-    __tablename__ = 'art'
-    id = Column(Integer, primary_key=True)
-    title = Column(Unicode(length=120), nullable=False)
+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