--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/messages/forms.py	Mon Apr 06 02:43:12 2009 +0000
@@ -0,0 +1,100 @@
+"""
+Forms for the messages application.
+"""
+
+from django import forms
+from django.contrib.auth.models import User
+from django.conf import settings
+from django.contrib.sites.models import Site
+from django.core.urlresolvers import reverse
+from django.template.loader import render_to_string
+
+from core.functions import send_mail
+from core.functions import get_full_name
+from core.widgets import AutoCompleteUserInput
+from messages.models import Message
+from messages.models import Options
+
+
+class ComposeForm(forms.Form):
+   """
+   This form is used to compose private messages.
+   """
+   receiver = forms.CharField(label='To', 
+         max_length=30,
+         widget=AutoCompleteUserInput())
+   subject = forms.CharField(max_length=120, widget=forms.TextInput(attrs={'size': 52}))
+   message = forms.CharField(widget=forms.Textarea(attrs={'rows': 20, 'cols': 80}))
+   attach_signature = forms.BooleanField(label='Attach Signature?', required=False)
+
+   def __init__(self, user, *args, **kwargs):
+      forms.Form.__init__(self, *args, **kwargs)
+      self.user = user
+      options = Options.objects.for_user(user)
+      self.fields['attach_signature'].initial = options.attach_signature
+
+   def clean_receiver(self):
+      receiver = self.cleaned_data['receiver']
+      try:
+         self.rcvr_user = User.objects.get(username=receiver)
+      except User.DoesNotExist:
+         raise forms.ValidationError("That username does not exist.")
+      if self.user.username.lower() == receiver.lower():
+         raise forms.ValidationError("You can't send a message to yourself.")
+      return receiver
+
+   def save(self, sender, parent_msg=None):
+      receiver = self.rcvr_user
+      subject = self.cleaned_data['subject']
+      message = self.cleaned_data['message']
+      attach_signature = self.cleaned_data['attach_signature']
+
+      new_msg = Message(
+         sender=sender,
+         receiver=receiver,
+         subject=subject,
+         message=message,
+         signature_attached=attach_signature,
+      )
+      new_msg.save()
+      if parent_msg is not None:
+         parent_msg.reply_date = new_msg.send_date
+         parent_msg.save()
+
+      receiver_opts = Options.objects.for_user(receiver)
+      if receiver_opts.notify_email:
+         notify_receiver(new_msg)
+
+   class Media:
+      css = {
+         'all': ('js/markitup/skins/markitup/style.css',
+                 'js/markitup/sets/markdown/style.css')
+      }
+      js = (
+         'js/messages/compose.js',
+         'js/markitup/jquery.markitup.pack.js',
+         'js/markitup/sets/markdown/set.js',
+      )
+
+
+class OptionsForm(forms.ModelForm):
+   class Meta:
+      model = Options
+
+
+def notify_receiver(new_msg):
+   """
+   This function creates the notification email to notify a user of
+   a new private message.
+   """
+   site = Site.objects.get_current()
+
+   email_body = render_to_string('messages/notification_email.txt', {
+            'site': site,
+            'msg': new_msg,
+            'options_url': reverse('messages-options'),
+         })
+
+   subject = 'New private message for %s at %s' % (new_msg.receiver.username, site.name)
+   from_email = settings.GPP_NO_REPLY_EMAIL + '@' + site.domain
+   send_mail(subject, email_body, from_email, [new_msg.receiver.email])