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annotate messages/forms.py @ 1200:b9514abc2a67

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Initial commit of ssg101.
author Brian Neal <bgneal@gmail.com>
date Sat, 24 Jun 2023 16:06:51 -0500
parents 0e93eaa323e7
children
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
bgneal@1022 13 from core.html import ImageCheckError
bgneal@1022 14 from core.html import image_check
bgneal@1022 15 from core.markup import site_markup
bgneal@814 16 import messages
bgneal@810 17 from messages.models import Flag, Message, Options
gremmie@1 18
gremmie@1 19
bgneal@432 20 # Maximum size of a private message in characters
bgneal@432 21 MESSAGE_MAX = getattr(settings, 'MESSAGES_MAX_SIZE', 8192)
bgneal@432 22
bgneal@432 23
gremmie@1 24 class ComposeForm(forms.Form):
bgneal@432 25 """
bgneal@432 26 This form is used to compose private messages.
bgneal@432 27 """
bgneal@432 28 receiver = forms.CharField(label='To',
bgneal@432 29 max_length=30,
bgneal@1138 30 widget=forms.TextInput(attrs={'class': 'sg101-autocomplete'}))
bgneal@1137 31 subject = forms.CharField(max_length=120)
bgneal@1137 32 message = forms.CharField(widget=forms.Textarea)
bgneal@432 33 attach_signature = forms.BooleanField(label='Attach Signature?', required=False)
bgneal@804 34 parent_id = forms.IntegerField(required=False, widget=forms.HiddenInput)
gremmie@1 35
bgneal@432 36 def __init__(self, user, *args, **kwargs):
bgneal@432 37 forms.Form.__init__(self, *args, **kwargs)
bgneal@432 38 self.user = user
bgneal@432 39 options = Options.objects.for_user(user)
bgneal@432 40 self.fields['attach_signature'].initial = options.attach_signature
bgneal@1138 41 url = reverse('core-ajax_users')
bgneal@1138 42 self.fields['receiver'].widget.attrs['data-autocomplete-url'] = url
gremmie@1 43
bgneal@432 44 def clean_receiver(self):
bgneal@432 45 receiver = self.cleaned_data['receiver']
bgneal@432 46 try:
bgneal@432 47 self.rcvr_user = User.objects.get(username=receiver)
bgneal@432 48 except User.DoesNotExist:
bgneal@432 49 raise forms.ValidationError("That username does not exist.")
bgneal@432 50 if self.user == self.rcvr_user:
bgneal@432 51 raise forms.ValidationError("You can't send a message to yourself.")
bgneal@432 52 return receiver
gremmie@1 53
bgneal@432 54 def clean_message(self):
bgneal@1022 55 msg = self.cleaned_data['message'].strip()
bgneal@432 56 if len(msg) > MESSAGE_MAX:
bgneal@432 57 raise forms.ValidationError("Your message is too long. Please trim some text.")
bgneal@1022 58
bgneal@1022 59 self.html = None
bgneal@1022 60 if not msg:
bgneal@1022 61 raise forms.ValidationError("Please enter a message.")
bgneal@1022 62
bgneal@1022 63 self.html = site_markup(msg)
bgneal@1022 64 try:
bgneal@1022 65 image_check(self.html)
bgneal@1022 66 except ImageCheckError as ex:
bgneal@1022 67 raise forms.ValidationError(str(ex))
bgneal@1022 68
bgneal@432 69 return msg
gremmie@1 70
bgneal@436 71 def clean(self):
bgneal@461 72 rcvr = self.cleaned_data.get('receiver')
bgneal@461 73 subject = self.cleaned_data.get('subject')
bgneal@461 74 message = self.cleaned_data.get('message')
bgneal@436 75
bgneal@461 76 if rcvr and subject and message:
bgneal@461 77 # Can we send a message? Is our outbox full?
bgneal@436 78
bgneal@461 79 count = Message.objects.outbox(self.user).count()
bgneal@814 80 if count >= messages.MSG_BOX_LIMIT:
bgneal@461 81 raise forms.ValidationError(
bgneal@461 82 "Your outbox is full. Please delete some messages.")
bgneal@461 83
bgneal@461 84 # Is the receiver's inbox full?
bgneal@461 85 count = Message.objects.inbox(self.rcvr_user).count()
bgneal@814 86 if count >= messages.MSG_BOX_LIMIT:
bgneal@461 87 raise forms.ValidationError(
bgneal@461 88 "Sorry, %s's inbox is full. This message cannot be sent." %
bgneal@461 89 self.rcvr_user.username)
bgneal@436 90
bgneal@436 91 return self.cleaned_data
bgneal@436 92
bgneal@432 93 def save(self, parent_msg=None):
bgneal@432 94 sender = self.user
bgneal@432 95 receiver = self.rcvr_user
bgneal@432 96 subject = self.cleaned_data['subject']
bgneal@432 97 message = self.cleaned_data['message']
bgneal@432 98 attach_signature = self.cleaned_data['attach_signature']
gremmie@1 99
bgneal@432 100 new_msg = Message(
bgneal@432 101 sender=sender,
bgneal@432 102 receiver=receiver,
bgneal@432 103 subject=subject,
bgneal@432 104 message=message,
bgneal@432 105 signature_attached=attach_signature,
bgneal@432 106 )
bgneal@1022 107 new_msg.save(html=self.html)
gremmie@1 108
bgneal@804 109 # Update the parent message (if there is one)
bgneal@804 110 parent_id = self.cleaned_data['parent_id']
bgneal@804 111 if parent_id:
bgneal@804 112 try:
bgneal@804 113 parent_msg = Message.objects.get(pk=parent_id)
bgneal@804 114 except Message.DoesNotExist:
bgneal@804 115 parent_msg = None
bgneal@804 116
bgneal@804 117 if parent_msg and parent_msg.receiver == self.user:
bgneal@804 118 parent_msg.reply_date = new_msg.send_date
bgneal@804 119 parent_msg.save()
bgneal@804 120
bgneal@804 121 # Notify recipient
bgneal@432 122 receiver_opts = Options.objects.for_user(receiver)
bgneal@432 123 if receiver_opts.notify_email:
bgneal@432 124 notify_receiver(new_msg)
bgneal@432 125
gremmie@1 126
gremmie@1 127 class OptionsForm(forms.ModelForm):
bgneal@432 128 class Meta:
bgneal@432 129 model = Options
bgneal@741 130 fields = ['attach_signature', 'notify_email']
gremmie@1 131
gremmie@1 132
bgneal@810 133 class ReportForm(forms.ModelForm):
bgneal@810 134 class Meta:
bgneal@810 135 model = Flag
bgneal@810 136 fields = ['comments']
bgneal@810 137 labels = {'comments': ''}
bgneal@810 138 widgets = {
bgneal@810 139 'comments': forms.Textarea(attrs={
bgneal@810 140 'placeholder': 'Enter a comment for the admin (optional).'})
bgneal@810 141 }
bgneal@810 142
bgneal@810 143
gremmie@1 144 def notify_receiver(new_msg):
bgneal@432 145 """
bgneal@432 146 This function creates the notification email to notify a user of
bgneal@432 147 a new private message.
bgneal@432 148 """
bgneal@432 149 site = Site.objects.get_current()
gremmie@1 150
bgneal@432 151 email_body = render_to_string('messages/notification_email.txt', {
bgneal@432 152 'site': site,
bgneal@432 153 'msg': new_msg,
bgneal@808 154 'options_url': reverse('messages-options'),
bgneal@432 155 })
gremmie@1 156
bgneal@432 157 subject = 'New private message for %s at %s' % (new_msg.receiver.username, site.name)
bgneal@432 158 from_email = settings.GPP_NO_REPLY_EMAIL + '@' + site.domain
bgneal@432 159 send_mail(subject, email_body, from_email, [new_msg.receiver.email])