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annotate messages/forms.py @ 804:95b3d59913ad

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Private messages refactoring: compose functionality.
author Brian Neal <bgneal@gmail.com>
date Sun, 31 Aug 2014 13:51:06 -0500
parents 9aae4f99f062
children 0f0ba45704b7
rev   line source
gremmie@1 1 """
gremmie@1 2 Forms for the messages application.
bgneal@804 3
gremmie@1 4 """
gremmie@1 5 from django import forms
gremmie@1 6 from django.contrib.auth.models import User
gremmie@1 7 from django.conf import settings
gremmie@1 8 from django.contrib.sites.models import Site
gremmie@1 9 from django.core.urlresolvers import reverse
gremmie@1 10 from django.template.loader import render_to_string
gremmie@1 11
gremmie@1 12 from core.functions import send_mail
gremmie@1 13 from core.widgets import AutoCompleteUserInput
gremmie@1 14 from messages.models import Message
gremmie@1 15 from messages.models import Options
bgneal@436 16 from messages import MSG_BOX_LIMIT
gremmie@1 17
gremmie@1 18
bgneal@432 19 # Maximum size of a private message in characters
bgneal@432 20 MESSAGE_MAX = getattr(settings, 'MESSAGES_MAX_SIZE', 8192)
bgneal@432 21
bgneal@432 22
gremmie@1 23 class ComposeForm(forms.Form):
bgneal@432 24 """
bgneal@432 25 This form is used to compose private messages.
bgneal@432 26 """
bgneal@432 27 receiver = forms.CharField(label='To',
bgneal@432 28 max_length=30,
bgneal@432 29 widget=AutoCompleteUserInput())
bgneal@432 30 subject = forms.CharField(max_length=120, widget=forms.TextInput(attrs={'size': 52}))
bgneal@432 31 message = forms.CharField(widget=forms.Textarea(attrs={'class': 'markItUp smileyTarget'}))
bgneal@432 32 attach_signature = forms.BooleanField(label='Attach Signature?', required=False)
bgneal@804 33 parent_id = forms.IntegerField(required=False, widget=forms.HiddenInput)
gremmie@1 34
bgneal@432 35 def __init__(self, user, *args, **kwargs):
bgneal@432 36 forms.Form.__init__(self, *args, **kwargs)
bgneal@432 37 self.user = user
bgneal@432 38 options = Options.objects.for_user(user)
bgneal@432 39 self.fields['attach_signature'].initial = options.attach_signature
gremmie@1 40
bgneal@432 41 def clean_receiver(self):
bgneal@432 42 receiver = self.cleaned_data['receiver']
bgneal@432 43 try:
bgneal@432 44 self.rcvr_user = User.objects.get(username=receiver)
bgneal@432 45 except User.DoesNotExist:
bgneal@432 46 raise forms.ValidationError("That username does not exist.")
bgneal@432 47 if self.user == self.rcvr_user:
bgneal@432 48 raise forms.ValidationError("You can't send a message to yourself.")
bgneal@432 49 return receiver
gremmie@1 50
bgneal@432 51 def clean_message(self):
bgneal@432 52 msg = self.cleaned_data['message']
bgneal@432 53 if len(msg) > MESSAGE_MAX:
bgneal@432 54 raise forms.ValidationError("Your message is too long. Please trim some text.")
bgneal@432 55 return msg
gremmie@1 56
bgneal@436 57 def clean(self):
bgneal@461 58 rcvr = self.cleaned_data.get('receiver')
bgneal@461 59 subject = self.cleaned_data.get('subject')
bgneal@461 60 message = self.cleaned_data.get('message')
bgneal@436 61
bgneal@461 62 if rcvr and subject and message:
bgneal@461 63 # Can we send a message? Is our outbox full?
bgneal@436 64
bgneal@461 65 count = Message.objects.outbox(self.user).count()
bgneal@461 66 if count >= MSG_BOX_LIMIT:
bgneal@461 67 raise forms.ValidationError(
bgneal@461 68 "Your outbox is full. Please delete some messages.")
bgneal@461 69
bgneal@461 70 # Is the receiver's inbox full?
bgneal@461 71 count = Message.objects.inbox(self.rcvr_user).count()
bgneal@461 72 if count >= MSG_BOX_LIMIT:
bgneal@461 73 raise forms.ValidationError(
bgneal@461 74 "Sorry, %s's inbox is full. This message cannot be sent." %
bgneal@461 75 self.rcvr_user.username)
bgneal@436 76
bgneal@436 77 return self.cleaned_data
bgneal@436 78
bgneal@432 79 def save(self, parent_msg=None):
bgneal@432 80 sender = self.user
bgneal@432 81 receiver = self.rcvr_user
bgneal@432 82 subject = self.cleaned_data['subject']
bgneal@432 83 message = self.cleaned_data['message']
bgneal@432 84 attach_signature = self.cleaned_data['attach_signature']
gremmie@1 85
bgneal@432 86 new_msg = Message(
bgneal@432 87 sender=sender,
bgneal@432 88 receiver=receiver,
bgneal@432 89 subject=subject,
bgneal@432 90 message=message,
bgneal@432 91 signature_attached=attach_signature,
bgneal@432 92 )
bgneal@432 93 new_msg.save()
gremmie@1 94
bgneal@804 95 # Update the parent message (if there is one)
bgneal@804 96 parent_id = self.cleaned_data['parent_id']
bgneal@804 97 if parent_id:
bgneal@804 98 try:
bgneal@804 99 parent_msg = Message.objects.get(pk=parent_id)
bgneal@804 100 except Message.DoesNotExist:
bgneal@804 101 parent_msg = None
bgneal@804 102
bgneal@804 103 if parent_msg and parent_msg.receiver == self.user:
bgneal@804 104 parent_msg.reply_date = new_msg.send_date
bgneal@804 105 parent_msg.save()
bgneal@804 106
bgneal@804 107 # Notify recipient
bgneal@432 108 receiver_opts = Options.objects.for_user(receiver)
bgneal@432 109 if receiver_opts.notify_email:
bgneal@432 110 notify_receiver(new_msg)
bgneal@432 111
bgneal@432 112 class Media:
bgneal@432 113 css = {
bgneal@432 114 'all': (settings.GPP_THIRD_PARTY_CSS['markitup'] +
bgneal@432 115 settings.GPP_THIRD_PARTY_CSS['jquery-ui'])
bgneal@432 116 }
bgneal@432 117 js = (settings.GPP_THIRD_PARTY_JS['markitup'] +
bgneal@432 118 settings.GPP_THIRD_PARTY_JS['jquery-ui'])
gremmie@1 119
gremmie@1 120
gremmie@1 121 class OptionsForm(forms.ModelForm):
bgneal@432 122 class Meta:
bgneal@432 123 model = Options
bgneal@741 124 fields = ['attach_signature', 'notify_email']
gremmie@1 125
gremmie@1 126
gremmie@1 127 def notify_receiver(new_msg):
bgneal@432 128 """
bgneal@432 129 This function creates the notification email to notify a user of
bgneal@432 130 a new private message.
bgneal@432 131 """
bgneal@432 132 site = Site.objects.get_current()
gremmie@1 133
bgneal@432 134 email_body = render_to_string('messages/notification_email.txt', {
bgneal@432 135 'site': site,
bgneal@432 136 'msg': new_msg,
bgneal@441 137 'options_url': reverse('messages-options_tab'),
bgneal@432 138 })
gremmie@1 139
bgneal@432 140 subject = 'New private message for %s at %s' % (new_msg.receiver.username, site.name)
bgneal@432 141 from_email = settings.GPP_NO_REPLY_EMAIL + '@' + site.domain
bgneal@432 142 send_mail(subject, email_body, from_email, [new_msg.receiver.email])