Add constants for model field choices.

[matthijs/projects/xerxes.git] / influences / models.py

diff --git a/influences/models.py b/influences/models.py
index 8478ecc0f728e493f6122797939d9a46300d706b..4c14f7cb592b7af3cd31a1b09e055f9c909a2ada 100644 (file)
--- a/influences/models.py
+++ b/influences/models.py
@@ -5,24 +5,30 @@ from django.utils.text import normalize_newlines
 from django.utils.translation import ugettext_lazy as _
 from threadedcomments.models import ThreadedComment
 from xerxes.tools.text import rewrap
+from string import strip
 
 # Create your models here.
 class Character(models.Model):
+    NEW      = 'N'
+    APPROVED = 'A'
     STATUS_CHOICES = (
-        ('N', _('New')),
-        ('A', _('Approved')),
+        (NEW,      _('New')),
+        (APPROVED, _('Approved')),
     )
+    PLAYER   = 'P'
+    NPC      = 'N'
+    CONTACT  = 'C'
     TYPE_CHOICES = (
-        ('P', _('Player')),
-        ('N', _('NPC')),
-        ('C', _('Contact')),
+        (PLAYER,   _('Player')),
+        (NPC,      _('NPC')),
+        (CONTACT,  _('Contact')),
     )
     created     = models.DateField(auto_now_add=1, verbose_name = _("Creation time"))
     modified    = models.DateField(auto_now=1, verbose_name = _("Modification time"))
     name        = models.CharField(max_length=255, verbose_name = _("Name"))
-    status      = models.CharField(max_length=2, choices=STATUS_CHOICES, default='N', verbose_name = _("Status"))
+    status      = models.CharField(max_length=2, choices=STATUS_CHOICES, default=NEW, verbose_name = _("Status"))
     player      = models.ForeignKey(User, verbose_name = _("Player"))
-    contacts    = models.ManyToManyField('self')
+    contacts    = models.ManyToManyField('self', blank = True)
     type        = models.CharField(max_length=2, choices=TYPE_CHOICES, verbose_name=_("Type"))
 
     def __unicode__(self):
@@ -36,21 +42,26 @@ class Character(models.Model):
         verbose_name_plural = _("Characters")
 
 class Influence(models.Model):
+    NEW         = 'N'
+    DISCUSSING  = 'U'
+    PROCESSING  = 'P'
+    DONE        = 'D'
     STATUS_CHOICES = (
-        ('N', _('New')),
-        ('U', _('Under discussion')),
-        ('P', _('Processing')),
-        ('D', _('Done')),
+        (NEW,          _('New')),
+        (DISCUSSING,   _('Under discussion')),
+        (PROCESSING,   _('Processing')),
+        (DONE,         _('Done')),
     )
     created     = models.DateField(auto_now_add=1, verbose_name = _("Creation time"))
     modified    = models.DateField(auto_now=1, verbose_name = _("Modification time"))
     
     initiator   = models.ForeignKey(Character, verbose_name = _("Initiator"), related_name='initiated_influences')
     other_contacts = models.CharField(max_length=255, blank = True, verbose_name = _("Other Contacts"))
+    other_characters = models.ManyToManyField(Character, blank = True, verbose_name = _("Involved characters"), related_name='influences_involved_in')
     summary     = models.CharField(max_length=255, verbose_name = _("Summary"))
     description = models.TextField(verbose_name = _("Description"))
-    todo        = models.TextField(verbose_name = _("Todo"))
-    status      = models.CharField(max_length=1, choices=STATUS_CHOICES, default='N', verbose_name = _("Status"))
+    todo        = models.TextField(blank=True, verbose_name = _("Todo"))
+    status      = models.CharField(max_length=1, choices=STATUS_CHOICES, default=NEW, verbose_name = _("Status"))
     longterm    = models.BooleanField(default=False, verbose_name = _("Long term"))
 
     result      = models.TextField(blank=True,verbose_name = _("Result"))
@@ -92,6 +103,31 @@ class Influence(models.Model):
                                            prefix=prefix)
         return comments
 
+    @property 
+    def involved(self):
+        """ Returns the Characters and contacts (strings) involved """
+        chars = list(self.other_characters.all())
+        if (self.other_contacts):
+            chars.extend(map(strip,self.other_contacts.split(',')))
+        return chars
+    
+    @property
+    def related_players(self):
+        """ Returns all players to this Influence (ie, the players of the
+            initiator or involved characters). Returns a dict where the
+            players (User objects) are keys and a list of Character objects
+            for which this player is related is the value.
+        """
+        players = {self.initiator.player : [self.initiator]}
+        for char in self.other_characters.all():
+            # Add this character to the player's list of characters for
+            # this Influence, creating a new list if this is the first
+            # character.
+            chars = players.get(char.player, [])
+            chars.append(char)
+            players[char.player] = chars
+        return players
+
     class Meta:
         verbose_name = _("Influence")
         verbose_name_plural = _("Influences")