/
views.py
500 lines (430 loc) · 16.3 KB
/
views.py
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from django.conf import settings
from django.forms.util import ErrorList
from django.http import HttpResponse
from django.http import HttpResponseRedirect
from django.shortcuts import render_to_response
from scalereg.common import utils
from scalereg.simple_cfp import forms
from scalereg.simple_cfp import models
if settings.SCALEREG_SIMPLECFP_SEND_MAIL:
from django.core.mail import send_mail
from django.core.mail import BadHeaderError
import smtplib
if settings.SCALEREG_SIMPLECFP_USE_RECAPTCHA:
from recaptcha.client.captcha import displayhtml
from recaptcha.client.captcha import submit
class ErrorMsg:
# Common messages
EMAIL_ERROR = 'Could not send email'
# SubmitPresentation
INVALID_ADSP = 'Invalid additional speaker'
INVALID_CODE = 'Invalid speaker code'
INVALID_EMAIL = 'Email address does not match speaker code'
# SubmissionStatus
DELETE_SUCCESS = 'Presentation successfully deleted'
DELETE_FAIL = 'Could not delete presentation'
INVALID_CREDENTIAL = 'Cannot find speaker with given info'
INVALID_INCOMPLETE = 'Please fill out all the fields'
UPLOAD_SUCCESS = 'Presentation successfully uploaded'
UPLOAD_FAIL = 'Could not upload presentation'
class Cookies:
CFP_LOGIN = 'cfp_login'
class RSSMsg:
LINK = 'http://www.foobar.com' # CHANGE_THIS
ORG = 'Foo Bar Corporation' # CHANGE_THIS
def DoRecaptchaValidation(request, template, template_dict):
if settings.SCALEREG_SIMPLECFP_USE_RECAPTCHA:
try:
recaptcha_response = submit(request.POST['recaptcha_challenge_field'],
request.POST['recaptcha_response_field'],
settings.RECAPTCHA_PRIVATE_KEY,
request.META['REMOTE_ADDR'])
except:
# If we cannot get a recaptcha, let the user continue.
return None
if not recaptcha_response.is_valid:
template_dict['recaptcha_html'] = GenerateRecaptchaHTML(request,
recaptcha_response.error_code)
return cfp_render_to_response(request, template, template_dict)
return None
def GenerateRecaptchaHTML(request, error_code=None):
if not settings.SCALEREG_SIMPLECFP_USE_RECAPTCHA:
return ''
return displayhtml(settings.RECAPTCHA_PUBLIC_KEY, request.is_secure(),
error_code)
def GeneratePresentationValidationCode():
submission_codes = [
p.submission_code for p in models.Presentation.objects.all()]
return utils.GenerateUniqueID(10, submission_codes)
def GenerateSpeakerValidationCode():
speaker_ids = [s.validation_code for s in models.Speaker.objects.all()]
return utils.GenerateUniqueID(10, speaker_ids)
def SendConfirmationEmail(presentation):
if not settings.SCALEREG_SIMPLECFP_SEND_MAIL:
return False
try:
send_mail('Your simple_cfp submission',
'''Your presentation: %s has been submitted for:
%s
Your simple_cfp submission code is %s.''' % \
(presentation.title, presentation.speaker.email,
presentation.submission_code),
settings.SCALEREG_SIMPLECFP_EMAIL,
[presentation.speaker.contact_email])
return True
except BadHeaderError:
# Unlikely to happen, SCALEREG_SIMPLECFP_EMAIL set incorrectly?
return False
except smtplib.SMTPException:
return False
def SendValidationEmail(speaker):
if not settings.SCALEREG_SIMPLECFP_SEND_MAIL:
return False
try:
send_mail('Your simple_cfp validation code',
'''Your simple_cfp validation code for %s is: %s.
If this email was sent to you by mistake, please reply and let us know.''' % \
(speaker.email, speaker.validation_code),
settings.SCALEREG_SIMPLECFP_EMAIL,
[speaker.contact_email])
return True
except BadHeaderError:
# Unlikely to happen, SCALEREG_SIMPLECFP_EMAIL set incorrectly?
return False
except smtplib.SMTPException:
return False
def cfp_render_to_response(request, template, vars):
if request.session.get(Cookies.CFP_LOGIN):
vars['logged_in'] = True
vars['send_email'] = settings.SCALEREG_SIMPLECFP_SEND_MAIL
return render_to_response(template, vars)
def index(request):
return cfp_render_to_response(request,
'simple_cfp/cfp_index.html',
{'title': 'Simple CFP',
})
def RecoverValidation(request):
TITLE = 'Recover Validation Code'
if not settings.SCALEREG_SIMPLECFP_SEND_MAIL:
return HttpResponse()
if request.method == 'POST':
contact_email = request.POST.get('contact_email')
email = request.POST.get('email')
recaptcha_response = DoRecaptchaValidation(request,
'simple_cfp/cfp_recover_validation.html',
{'title': TITLE,
'email': email,
})
if recaptcha_response:
return recaptcha_response
speakers = models.Speaker.objects.filter(contact_email=contact_email,
email=email)
speakers = speakers.filter(valid=True)
if not speakers:
return cfp_render_to_response(request,
'simple_cfp/cfp_recover_validation.html',
{'title': TITLE,
'contact_email': contact_email,
'email': email,
'error': True,
'recaptcha_html': GenerateRecaptchaHTML(request),
})
if not SendValidationEmail(speakers[0]):
return cfp_render_to_response(request,
'simple_cfp/cfp_error.html',
{'title': TITLE,
'error_message': ErrorMsg.EMAIL_ERROR,
})
return cfp_render_to_response(request,
'simple_cfp/cfp_recover_validation.html',
{'title': TITLE,
'contact_email': contact_email,
'email': email,
'sent': True,
})
else:
return cfp_render_to_response(request,
'simple_cfp/cfp_recover_validation.html',
{'title': TITLE,
'recaptcha_html': GenerateRecaptchaHTML(request),
})
def RegisterSpeaker(request):
TITLE = 'Speaker Registration'
if request.method == 'POST':
form = forms.SpeakerForm(request.POST)
if not form.is_valid():
return cfp_render_to_response(request,
'simple_cfp/cfp_speaker.html',
{'title': TITLE,
'form': form,
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
recaptcha_response = DoRecaptchaValidation(request,
'simple_cfp/cfp_speaker.html',
{'title': TITLE,
'form': form,
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
if recaptcha_response:
return recaptcha_response
new_speaker = form.save(commit=False)
new_speaker.validation_code = GenerateSpeakerValidationCode()
new_speaker = form.save()
photo_url = None
if (settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD and
'photo_upload' in request.FILES):
new_photo = models.SpeakerPhoto()
new_photo.speaker_id = new_speaker.id
photo_file = request.FILES['photo_upload']
new_photo.file.save(photo_file.name, photo_file)
new_photo.save()
photo_url = new_photo.file.url
email_sent = False
if settings.SCALEREG_SIMPLECFP_SEND_MAIL:
email_sent = SendValidationEmail(new_speaker)
return cfp_render_to_response(request,
'simple_cfp/cfp_speaker_registered.html',
{'title': TITLE,
'email_sent': email_sent,
'photo_url': photo_url,
'speaker': new_speaker,
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
else:
return cfp_render_to_response(request,
'simple_cfp/cfp_speaker.html',
{'title': TITLE,
'form': forms.SpeakerForm(),
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
def SubmissionStatus(request):
TITLE = 'Submission Status'
code = request.REQUEST.get('code')
contact_email = request.REQUEST.get('contact_email')
speaker_email = request.REQUEST.get('speaker_email')
if not (code and contact_email and speaker_email):
try:
(code, contact_email, speaker_email) = request.session[Cookies.CFP_LOGIN]
except:
pass
if not (code and contact_email and speaker_email):
error = ''
if request.method == 'POST':
error = ErrorMsg.INVALID_INCOMPLETE
return cfp_render_to_response(request,
'simple_cfp/cfp_submission_status.html',
{'title': TITLE,
'error': ErrorMsg.INVALID_INCOMPLETE,
'code': code,
'contact_email': contact_email,
'speaker_email': speaker_email,
})
speaker = None
try:
speaker = models.Speaker.objects.get(validation_code=code,
contact_email=contact_email, email=speaker_email)
except models.Speaker.DoesNotExist:
pass
if not speaker:
return cfp_render_to_response(request,
'simple_cfp/cfp_submission_status.html',
{'title': TITLE,
'error': ErrorMsg.INVALID_CREDENTIAL,
'code': code,
'contact_email': contact_email,
'speaker_email': speaker_email,
})
presentations = models.Presentation.objects.filter(speaker=speaker)
request.session[Cookies.CFP_LOGIN] = (code, contact_email, speaker_email)
# Handle new uploads and deletes
error = ''
if settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD and request.method == 'POST':
if 'presentation' in request.POST:
error = ErrorMsg.UPLOAD_SUCCESS
try:
upload_p = presentations.get(id=request.POST['presentation'])
form = forms.PresentationForm(request.POST, request.FILES)
if 'file' in form.files:
form_file = form.files['file']
upload_p.file.save(form_file.name, form_file)
else:
error = ErrorMsg.UPLOAD_FAIL
except models.Presentation.DoesNotExist:
error = ErrorMsg.UPLOAD_FAIL
elif 'delete' in request.POST:
error = ErrorMsg.DELETE_SUCCESS
try:
delete_p = presentations.get(id=request.POST['delete'])
delete_p.file = None
delete_p.save()
except models.Presentation.DoesNotExist:
error = ErrorMsg.DELETE_FAIL
return cfp_render_to_response(request,
'simple_cfp/cfp_submission_status.html',
{'title': TITLE,
'code': code,
'contact_email': contact_email,
'error': error,
'presentations': presentations,
'speaker_email': speaker_email,
'speaker': speaker,
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
def SubmitPresentation(request):
TITLE = 'Submit Presentation'
if request.method == 'POST':
if settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD:
form = forms.PresentationForm(request.POST, request.FILES)
else:
form = forms.PresentationForm(request.POST)
additional_speakers = set()
invalid_speakers = set()
for sp in form.data['additional_speakers'].split(','):
if not sp:
continue
sp = sp.strip()
try:
adsp = models.Speaker.objects.get(email=sp)
additional_speakers.add(adsp)
except models.Speaker.DoesNotExist:
invalid_speakers.add(sp)
if invalid_speakers:
form.errors['additional_speakers'] = ErrorList([
ErrorMsg.INVALID_ADSP + ': ' + ', '.join(invalid_speakers)])
if not form.is_valid() or invalid_speakers:
return cfp_render_to_response(request,
'simple_cfp/cfp_presentation.html',
{'title': TITLE,
'file_limit': settings.FILE_UPLOAD_MAX_MEMORY_SIZE,
'form': form,
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
try:
speaker = models.Speaker.objects.get(
validation_code=form.cleaned_data['speaker_code'])
except models.Speaker.DoesNotExist:
form.errors['speaker_code'] = ErrorList([ErrorMsg.INVALID_CODE])
return cfp_render_to_response(request,
'simple_cfp/cfp_presentation.html',
{'title': TITLE,
'file_limit': settings.FILE_UPLOAD_MAX_MEMORY_SIZE,
'form': form,
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
bad_email = False
if speaker.contact_email != form.cleaned_data['contact_email']:
form.errors['contact_email'] = ErrorList([ErrorMsg.INVALID_EMAIL])
bad_email = True
if speaker.email != form.cleaned_data['speaker_email']:
form.errors['speaker_email'] = ErrorList([ErrorMsg.INVALID_EMAIL])
bad_email = True
if bad_email:
return cfp_render_to_response(request,
'simple_cfp/cfp_presentation.html',
{'title': TITLE,
'file_limit': settings.FILE_UPLOAD_MAX_MEMORY_SIZE,
'form': form,
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
recaptcha_response = DoRecaptchaValidation(request,
'simple_cfp/cfp_presentation.html',
{'title': TITLE,
'file_limit': settings.FILE_UPLOAD_MAX_MEMORY_SIZE,
'form': form,
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
if recaptcha_response:
return recaptcha_response
request.session[Cookies.CFP_LOGIN] = (request.POST['speaker_code'],
request.POST['contact_email'],
request.POST['speaker_email'])
new_presentation = form.save(commit=False)
new_presentation.speaker = speaker
new_presentation.submission_code = GeneratePresentationValidationCode()
new_presentation = form.save()
form.save_m2m()
for sp in additional_speakers:
adsp = models.AdditionalSpeaker()
adsp.speaker = sp
adsp.presentation = new_presentation;
adsp.save()
email_sent = False
if settings.SCALEREG_SIMPLECFP_SEND_MAIL:
email_sent = SendConfirmationEmail(new_presentation)
return cfp_render_to_response(request,
'simple_cfp/cfp_presentation_submitted.html',
{'title': TITLE,
'additional_speakers': additional_speakers,
'email_sent': email_sent,
'presentation': new_presentation,
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
else:
form = forms.PresentationForm()
try:
(code, contact_email, speaker_email) = request.session[Cookies.CFP_LOGIN]
form.fields['speaker_code'].initial = code
form.fields['contact_email'].initial = contact_email
form.fields['speaker_email'].initial = speaker_email
except:
pass
return cfp_render_to_response(request,
'simple_cfp/cfp_presentation.html',
{'title': TITLE,
'file_limit': settings.FILE_UPLOAD_MAX_MEMORY_SIZE,
'form': form,
'recaptcha_html': GenerateRecaptchaHTML(request),
'upload': settings.SCALEREG_SIMPLECFP_ALLOW_UPLOAD,
})
def Logout(request):
if Cookies.CFP_LOGIN in request.session:
del request.session[Cookies.CFP_LOGIN]
if request.META.get('HTTP_REFERER'):
return HttpResponseRedirect(request.META['HTTP_REFERER'])
return HttpResponseRedirect('/simple_cfp/')
def AcceptedPresentations(request):
TITLE = 'Accepted Presentations'
DESC = 'Accepted Presentations for the '
presentations = models.Presentation.objects.filter(valid=True)
presentations = presentations.filter(status='Approved')
additional_speakers = []
for p in presentations:
# easier to preformat this now rather than doing it in the template.
adsp = models.AdditionalSpeaker.objects.filter(presentation=p)
adsp_text = ','.join('s%d' % s.speaker.id for s in adsp)
p.speakers = 's%d' % p.speaker.id
if adsp_text:
p.speakers += ',' + adsp_text
return render_to_response('simple_cfp/rss_presentation.html',
{'title': TITLE,
'link': RSSMsg.LINK,
'additional_speakers': additional_speakers,
'desc': DESC + RSSMsg.ORG,
'presentations': presentations,
})
def AcceptedSpeakers(request):
TITLE = 'Accepted Speakers'
DESC = 'Accepted Speakers for the '
presentations = models.Presentation.objects.filter(valid=True)
presentations = presentations.filter(status='Approved')
speakers = [p.speaker for p in presentations]
speakers = [p.speaker for p in presentations]
additional_speakers = models.AdditionalSpeaker.objects.all()
speakers += [adsp.speaker for adsp in additional_speakers if
adsp.presentation.valid and
adsp.presentation.status == 'Approved']
speakers = list(set(speakers))
for sp in speakers:
photos = models.SpeakerPhoto.objects.filter(speaker=sp)
sp.photo_urls = ' '.join([s.file.url for s in photos])
return render_to_response('simple_cfp/rss_speaker.html',
{'title': TITLE,
'link': RSSMsg.LINK,
'desc': DESC + RSSMsg.ORG,
'speakers': speakers,
})