Mercurial > public > sg101
view messages/forms.py @ 1148:176d1550bf25
Convert weblinks to V3 design.
author | Brian Neal <bgneal@gmail.com> |
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date | Thu, 01 Dec 2016 21:02:31 -0600 (2016-12-02) |
parents | 0e93eaa323e7 |
children |
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""" 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.html import ImageCheckError from core.html import image_check from core.markup import site_markup import messages from messages.models import Flag, Message, Options # Maximum size of a private message in characters MESSAGE_MAX = getattr(settings, 'MESSAGES_MAX_SIZE', 8192) class ComposeForm(forms.Form): """ This form is used to compose private messages. """ receiver = forms.CharField(label='To', max_length=30, widget=forms.TextInput(attrs={'class': 'sg101-autocomplete'})) subject = forms.CharField(max_length=120) message = forms.CharField(widget=forms.Textarea) attach_signature = forms.BooleanField(label='Attach Signature?', required=False) parent_id = forms.IntegerField(required=False, widget=forms.HiddenInput) 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 url = reverse('core-ajax_users') self.fields['receiver'].widget.attrs['data-autocomplete-url'] = url 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 == self.rcvr_user: raise forms.ValidationError("You can't send a message to yourself.") return receiver def clean_message(self): msg = self.cleaned_data['message'].strip() if len(msg) > MESSAGE_MAX: raise forms.ValidationError("Your message is too long. Please trim some text.") self.html = None if not msg: raise forms.ValidationError("Please enter a message.") self.html = site_markup(msg) try: image_check(self.html) except ImageCheckError as ex: raise forms.ValidationError(str(ex)) return msg def clean(self): rcvr = self.cleaned_data.get('receiver') subject = self.cleaned_data.get('subject') message = self.cleaned_data.get('message') if rcvr and subject and message: # Can we send a message? Is our outbox full? count = Message.objects.outbox(self.user).count() if count >= messages.MSG_BOX_LIMIT: raise forms.ValidationError( "Your outbox is full. Please delete some messages.") # Is the receiver's inbox full? count = Message.objects.inbox(self.rcvr_user).count() if count >= messages.MSG_BOX_LIMIT: raise forms.ValidationError( "Sorry, %s's inbox is full. This message cannot be sent." % self.rcvr_user.username) return self.cleaned_data def save(self, parent_msg=None): sender = self.user 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(html=self.html) # Update the parent message (if there is one) parent_id = self.cleaned_data['parent_id'] if parent_id: try: parent_msg = Message.objects.get(pk=parent_id) except Message.DoesNotExist: parent_msg = None if parent_msg and parent_msg.receiver == self.user: parent_msg.reply_date = new_msg.send_date parent_msg.save() # Notify recipient receiver_opts = Options.objects.for_user(receiver) if receiver_opts.notify_email: notify_receiver(new_msg) class OptionsForm(forms.ModelForm): class Meta: model = Options fields = ['attach_signature', 'notify_email'] class ReportForm(forms.ModelForm): class Meta: model = Flag fields = ['comments'] labels = {'comments': ''} widgets = { 'comments': forms.Textarea(attrs={ 'placeholder': 'Enter a comment for the admin (optional).'}) } 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])