floof/model/art.py

   1 #
   2 #   floof/floof/model/art.py
   3 #
   4 #   Copyright (c) 2009 Scribblr
   5 #
   6
   7 # from elixir import Entity, Field, Integer, Unicode
   8 from elixir import *
   9 import elixir
  10
  11 from pylons import config
  12
  13 from floof.lib.file_storage import get_path, save_file
  14 from floof.lib.dbhelpers import find_or_create, update_or_create
  15
  16 class Art(Entity):
  17     title = Field(Unicode(120))
  18     original_filename = Field(Unicode(120))
  19     hash = Field(String, unique=True, required=True)
  20
  21     uploader = ManyToOne('User', required=True)
  22     tags = OneToMany('Tag')
  23
  24     def set_file(self, file):
  25         self.hash = save_file("art", file)
  26         self.original_filename = file.filename
  27
  28     file = property(get_path, set_file)
  29
  30     def get_path(self):
  31         if self.hash:
  32             return get_path("art", self.hash)
  33
  34
  35     def add_tags(self, tags, user):
  36         for text in tags.split():
  37             if text[0] == '-':
  38                 # Nega-tags
  39                 tagtext = TagText.get_by(text=text[1:])
  40                 if tagtext:
  41                     tag = Tag.get_by(art=self, tagger=user, tagtext=tagtext)
  42                     if tag:
  43                         elixir.session.delete(tag)
  44
  45             else:
  46                 if len(text) > 50:
  47                     raise "Long Tag!" # can we handle this more gracefully?
  48                 # sqlite seems happy to store strings much longer than the supplied limit...
  49
  50                 # elixir should really have its own find_or_create.
  51                 tagtext = find_or_create(TagText, text=text)
  52                 tag     = find_or_create(Tag, art=self, tagger=user, tagtext=tagtext)
  53
  54
  55
  56
  57     def rate(self, score, user):
  58         return update_or_create(Rating, {"rater":user, "art":self}, {"score":score})
  59
  60     def user_score(self, user):
  61         rating = Rating.get_by(rater=user, art=self)
  62         if rating:
  63             return rating.score
  64         return Rating.default
  65
  66     def __unicode__(self):
  67         return self.get_path()
  68
  69
  70 class Tag(Entity):
  71     # look into how ondelete works.  This just sets a database property.
  72     art = ManyToOne('Art', ondelete='cascade')
  73     tagger = ManyToOne('User', ondelete='cascade')
  74     tagtext = ManyToOne('TagText')
  75
  76     def __unicode__(self):
  77         if not self.tagtext:
  78             return "(broken)"
  79         return unicode(self.tagtext)
  80
  81
  82 class TagText(Entity):
  83     text = Field(Unicode(50)) # gotta enforce this somehow
  84     tags = OneToMany('Tag')
  85
  86     def __unicode__(self):
  87         return self.text
  88
  89
  90 class Rating(Entity):
  91     art = ManyToOne('Art', ondelete='cascade')
  92     rater = ManyToOne('User', ondelete='cascade')
  93     score = Field(Integer)
  94
  95     options = {-1:"sucks", 0:"undecided", 1:"good", 2:"great"}
  96     default = 0
  97
  98
  99 Rating.reverse_options = dict (zip(Rating.options.values(), Rating.options.keys()))