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1 """
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2 Forms for the messages application.
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3 """
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4
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5 from django import forms
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6 from django.contrib.auth.models import User
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7 from django.conf import settings
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8 from django.contrib.sites.models import Site
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9 from django.core.urlresolvers import reverse
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10 from django.template.loader import render_to_string
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11
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12 from core.functions import send_mail
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13 from core.functions import get_full_name
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14 from core.widgets import AutoCompleteUserInput
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15 from messages.models import Message
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16 from messages.models import Options
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17
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18
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19 class ComposeForm(forms.Form):
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20 """
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21 This form is used to compose private messages.
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22 """
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23 receiver = forms.CharField(label='To',
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24 max_length=30,
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25 widget=AutoCompleteUserInput())
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26 subject = forms.CharField(max_length=120, widget=forms.TextInput(attrs={'size': 52}))
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27 message = forms.CharField(widget=forms.Textarea(attrs={'rows': 20, 'cols': 80}))
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28 attach_signature = forms.BooleanField(label='Attach Signature?', required=False)
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29
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30 def __init__(self, user, *args, **kwargs):
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31 forms.Form.__init__(self, *args, **kwargs)
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32 self.user = user
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33 options = Options.objects.for_user(user)
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34 self.fields['attach_signature'].initial = options.attach_signature
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35
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36 def clean_receiver(self):
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37 receiver = self.cleaned_data['receiver']
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38 try:
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39 self.rcvr_user = User.objects.get(username=receiver)
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40 except User.DoesNotExist:
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41 raise forms.ValidationError("That username does not exist.")
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42 if self.user.username.lower() == receiver.lower():
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43 raise forms.ValidationError("You can't send a message to yourself.")
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44 return receiver
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45
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46 def save(self, sender, parent_msg=None):
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47 receiver = self.rcvr_user
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48 subject = self.cleaned_data['subject']
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49 message = self.cleaned_data['message']
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50 attach_signature = self.cleaned_data['attach_signature']
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51
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52 new_msg = Message(
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53 sender=sender,
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54 receiver=receiver,
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55 subject=subject,
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56 message=message,
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57 signature_attached=attach_signature,
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58 )
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59 new_msg.save()
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60 if parent_msg is not None:
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61 parent_msg.reply_date = new_msg.send_date
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62 parent_msg.save()
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63
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64 receiver_opts = Options.objects.for_user(receiver)
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65 if receiver_opts.notify_email:
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66 notify_receiver(new_msg)
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67
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68 class Media:
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69 css = {
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70 'all': settings.GPP_THIRD_PARTY_CSS['markitup'],
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71 }
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72 js = ('js/messages/compose.js', ) + settings.GPP_THIRD_PARTY_JS['markitup']
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73
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74
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75 class OptionsForm(forms.ModelForm):
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76 class Meta:
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77 model = Options
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78
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79
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80 def notify_receiver(new_msg):
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81 """
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82 This function creates the notification email to notify a user of
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83 a new private message.
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84 """
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85 site = Site.objects.get_current()
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86
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87 email_body = render_to_string('messages/notification_email.txt', {
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88 'site': site,
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89 'msg': new_msg,
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90 'options_url': reverse('messages-options'),
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91 })
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92
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93 subject = 'New private message for %s at %s' % (new_msg.receiver.username, site.name)
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94 from_email = settings.GPP_NO_REPLY_EMAIL + '@' + site.domain
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95 send_mail(subject, email_body, from_email, [new_msg.receiver.email])
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