add artist when posting
[zzz-floof.git] / floof / model / art.py
index 1df10cc..ff8035a 100644 (file)
 
 # from elixir import Entity, Field, Integer, Unicode
 from elixir import *
+import elixir
 
 from pylons import config
 
 from floof.lib.file_storage import get_path, save_file
+from floof.lib.dbhelpers import find_or_create, update_or_create
+import floof.model.comments
 
 class Art(Entity):
     title = Field(Unicode(120))
     original_filename = Field(Unicode(120))
-    hash = Field(String)
-    uploaded_by = ManyToOne('User')
+    hash = Field(String, unique=True, required=True)
 
-    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)
-        
+    uploader = ManyToOne('User', required=True)
+    tags = OneToMany('Tag')
+    discussion = ManyToOne('Discussion')
+
+    user_relations = OneToMany('UserRelation')
+
+
+    def set_file(self, file):
+        self.hash = save_file("art", file)
+        self.original_filename = file.filename
 
+    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 text in tags.split():
+            if text[0] == '-':
+                # Nega-tags
+                tagtext = TagText.get_by(text=text[1:])
+                if tagtext:
+                    tag = Tag.get_by(art=self, tagger=user, tagtext=tagtext)
+                    if tag:
+                        elixir.session.delete(tag)
+
+            else:
+                if len(text) > 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=text)
+                tag     = find_or_create(Tag, art=self, tagger=user, tagtext=tagtext)
+
+
+
+
+    def rate(self, score, user):
+        return update_or_create(Rating, {"rater":user, "art":self}, {"score":score})
+
+    def user_score(self, user):
+        rating = Rating.get_by(rater=user, art=self)
+        if rating:
+            return rating.score
+        return Rating.default
+
+    def __unicode__(self):
+        return self.get_path()
+
+
+class Tag(Entity):
+    # look into how ondelete works.  This just sets a database property.
+    art = ManyToOne('Art', ondelete='cascade')
+    tagger = ManyToOne('User', ondelete='cascade')
+    tagtext = ManyToOne('TagText')
+
+    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
+
+
+class Rating(Entity):
+    art = ManyToOne('Art', ondelete='cascade')
+    rater = ManyToOne('User', ondelete='cascade')
+    score = Field(Integer)
+
+    options = {-1:"sucks", 0:"undecided", 1:"good", 2:"great"}
+    default = 0
+
+Rating.reverse_options = dict (zip(Rating.options.values(), Rating.options.keys()))
+
+
+
+class UserRelation(Entity):
+    user = ManyToOne("User")
+    art = ManyToOne("Art")
+    kind = Field(String) # by for of
+    creator = ManyToOne("User")
+    confirmed_by_related_user = Field(Boolean)
+
+    # it is useful to record which authority figure on a given artwork
+    # confirmed the validity of this relation.
+    confirmed_by_authority = ManyToOne("User")
+    
+    def __init__(self, **kwargs):
+        super(UserRelation, self).__init__(**kwargs)
+        assert self.user and self.art and self.kind and self.creator
+        
+        if self.creator == self.user:
+            self.confirmed_by_related_user = True
+        # TODO: implement authorities
+        # if self.creator in self.art.authorities
+        #     self.confirmed_by_authority = self.creator
+
+    def __unicode__(self):
+        return "%s: %s" % (self.kind, self.related_user)
+
+    
+    
+# class CharacterRelation(Entity):
+#     pass