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from django.contrib import messages |
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from django.core.exceptions import PermissionDenied |
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from django.core.urlresolvers import reverse |
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from django.http import Http404 |
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from django.http import HttpResponseForbidden |
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from django.http import HttpResponseRedirect, JsonResponse |
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from django.shortcuts import redirect, render |
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from wye.base.constants import WorkshopStatus, FeedbackType |
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from wye.base.emailer import send_mail |
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from wye.organisations.models import Organisation |
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from wye.profiles.models import Profile |
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from wye.regions.models import RegionalLead |
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from .models import Workshop, WorkshopFeedBack |
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class WorkshopAccessMixin(object): |
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def dispatch(self, request, *args, **kwargs): |
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user = request.user |
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pk = self.kwargs.get(self.pk_url_kwarg, None) |
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workshop = Workshop.objects.get(id=pk) |
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is_admin = Profile.is_admin(user) |
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is_lead = (Profile.is_regional_lead(user) and |
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RegionalLead.is_regional_lead(user, workshop.location)) |
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is_organiser = (Profile.is_organiser(user) and |
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user in workshop.requester.user.all()) |
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if not (is_admin or is_lead or is_organiser): |
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return HttpResponseForbidden("Not sufficent permission") |
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return super(WorkshopAccessMixin, self).dispatch(request, *args, **kwargs) |
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class WorkshopFeedBackMixin(object): |
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""" |
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Restrict access to feedback url if |
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- Workshop is not completed |
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- If the user accessing the url is not presenter or |
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organiser |
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""" |
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def dispatch(self, request, *args, **kwargs): |
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pk = self.kwargs.get('pk') |
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workshop = Workshop.objects.get(id=pk) |
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user = self.request.user |
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if workshop.status != WorkshopStatus.COMPLETED: |
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raise Http404 |
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if not (workshop.is_presenter(user) or workshop.is_organiser(user)): |
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raise PermissionDenied |
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return super(WorkshopFeedBackMixin, self).dispatch(request, *args, **kwargs) |
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class WorkshopRestrictMixin(object): |
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""" |
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Mixin to restrict |
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- For organisation to add workshop if no feedback is shared. |
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- For presenter to takeup workshop if no feedback is shared |
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""" |
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allow_presenter = False |
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def dispatch(self, request, *args, **kwargs): |
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self.user = request.user |
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self.feedback_required = [] |
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# check if user is tutor |
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if Profile.is_presenter(self.user) and self.allow_presenter: |
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self.validate_presenter_feedback() |
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elif (Profile.is_organiser(self.user) and |
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Organisation.list_user_organisations(self.user).exists()): |
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# if user is from organisation |
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self.validate_organisation_feedback() |
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elif (Profile.is_regional_lead(self.user) or |
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Profile.is_admin(self.user)): |
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pass # don't restrict lead and admin |
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else: |
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msg = """ |
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To request workshop you need to create organisaiton.\n\n |
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Please use organisation tab above to create your organisation""" |
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# return json for ajax request |
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return render(request, 'error.html', {'message': msg}) |
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if self.feedback_required: |
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return self.return_response(request) |
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return super(WorkshopRestrictMixin, self).dispatch(request, *args, **kwargs) |
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def validate_presenter_feedback(self): |
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workshops = Workshop.objects.filter( |
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presenter=self.user, status=WorkshopStatus.COMPLETED) |
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for workshop in workshops: |
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feedback = WorkshopFeedBack.objects.filter( |
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workshop=workshop, feedback_type=FeedbackType.PRESENTER |
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).count() |
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if feedback == 0: |
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self.feedback_required.append(workshop) |
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def validate_organisation_feedback(self): |
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workshops = Workshop.objects.filter( |
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requester__user=self.user, status=WorkshopStatus.COMPLETED) |
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for workshop in workshops: |
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feedback = WorkshopFeedBack.objects.filter( |
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workshop=workshop, feedback_type=FeedbackType.ORGANISATION |
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).count() |
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if feedback == 0: |
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self.feedback_required.append(workshop) |
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def return_response(self, request): |
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msg = "Please complete the feeback for %s" % ( |
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", ".join(map(str, self.feedback_required))) |
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# return json for ajax request |
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if request.is_ajax(): |
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return JsonResponse({"status": False, "msg": msg}) |
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messages.error(request, msg) |
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return HttpResponseRedirect(reverse('workshops:workshop_list')) |
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class WorkshopEmailMixin(object): |
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def send_mail_to_presenter(self, user, context): |
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""" |
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Send email to presenter. |
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@param user: Is user object |
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@param context: Is dict of data required by email template. |
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""" |
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# Send email to presenter |
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return send_mail([user.email], context, self.email_dir) |
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def send_mail_to_group(self, context, exclude_emails=None): |
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""" |
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Send email to org/group users. |
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@param context: Is dict of data required by email template. |
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@exclude_emails: Is list of email to be excluded from |
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email update. |
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""" |
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if exclude_emails is None: |
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exclude_emails = [] |
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# Collage POC and admin email |
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poc_admin_user = Profile.get_user_with_type( |
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user_type=['Collage POC', 'admin'] |
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).values_list('email', flat=True) |
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# Org user email |
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org_user_emails = self.object.requester.user.filter( |
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is_active=True |
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).values_list('email', flat=True) |
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# all presenter if any |
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all_presenter_email = self.object.presenter.values_list( |
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'email', flat=True |
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) |
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# List of tutor who have shown interest in that location |
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region_interested_member = Profile.objects.filter( |
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interested_locations=self.object.requester.location, |
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usertype__slug='tutor' |
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).values_list('user__email', flat=True) |
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all_email = [] |
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all_email.extend(org_user_emails) |
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all_email.extend(all_presenter_email) |
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all_email.extend(poc_admin_user) |
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all_email.extend(region_interested_member) |
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all_email = set(all_email) |
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all_email = list(all_email.difference(exclude_emails)) |
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send_mail(all_email, context, self.email_dir) |
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pythonindia /
wye
