Changeset - fcbacc82e68c
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James Polley - 7 years ago 2017-12-26 12:10:21
jp@jamezpolley.com
Add views to allow for PNG rendering of badge
3 files changed with 18 insertions and 7 deletions:
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requirements.txt
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Django>=1.11
 
pinax-theme-bootstrap==7.3.0
 
pinax-eventlog==1.1.1
 
django-formset-js==0.5.0
 
dj-static==0.0.6
 
dj-database-url==0.4.2
 
pylibmc==1.5.1
 
django-debug-toolbar>=1.7
 
django-bootstrap-form
 

	
 
djangosaml2
 
django-gapc-storage>=0.4.1
 

	
 
# database
 
mysqlclient>=1.3.3
 

	
 
# For testing
 
django-nose>=1.4.4
 
coverage==4.0.3
 

	
 

	
 
# Symposion reqs
 
django-appconf==1.0.1
 
django-model-utils>=3.0.0
 
django-reversion==1.10.1
 
django-sitetree>=1.8.0
 
django-taggit==0.18.0
 
django-timezone-field>=2.0
 
easy-thumbnails>=2.4.1
 
bleach
 
pytz==2015.7
 
django-ical==1.4
 

	
 

	
 
# registratoin reqs
 
# registrasion reqs
 
django-nested-admin==2.2.6
 

	
 
CairoSVG==2.1.2
 

	
 
# Registripe
 
django-countries>=4.3
 
pinax-stripe==3.2.1
 
requests>=2.11.1
 
stripe==1.38.0
 

	
vendor/registrasion/registrasion/urls.py
Show inline comments
 
from .reporting import views as rv
 

	
 
from django.conf.urls import include
 
from django.conf.urls import url
 

	
 
from .views import (
 
    amend_registration,
 
    user_badge,
 
    badge,
 
    badger,
 
    checkout,
 
    credit_note,
 
    edit_profile,
 
    extend_reservation,
 
    guided_registration,
 
    invoice,
 
    invoice_access,
 
    invoice_mailout,
 
    manual_payment,
 
    product_category,
 
    refund,
 
    review,
 
    voucher_code,
 
)
 

	
 

	
 
public = [
 
    url(r"^amend/([0-9]+)$", amend_registration, name="amend_registration"),
 
    url(r"^mybadge$", user_badge, name="user_badge"),
 
    url(r"^mybadge/(png|svg)", user_badge, name="user_badge"),
 
    url(r"^badge/([0-9]+)$", badge, name="badge"),
 
    url(r"^badge/([0-9]+).(png|svg)$", badge, name="badge"),
 
    url(r"^badger/([A-Za-z0-9]+)$", badger, name="badger"),
 
    url(r"^badger/", badger, name="badger"),
 
    url(r"^category/([0-9]+)$", product_category, name="product_category"),
 
    url(r"^checkout$", checkout, name="checkout"),
 
    url(r"^checkout/([0-9]+)$", checkout, name="checkout"),
 
    url(r"^credit_note/([0-9]+)$", credit_note, name="credit_note"),
 
    url(r"^extend/([0-9]+)$", extend_reservation, name="extend_reservation"),
 
    url(r"^invoice/([0-9]+)$", invoice, name="invoice"),
 
    url(r"^invoice/([0-9]+)/([A-Z0-9]+)$", invoice, name="invoice"),
 
    url(r"^invoice/([0-9]+)/manual_payment$",
 
        manual_payment, name="manual_payment"),
 
    url(r"^invoice/([0-9]+)/refund$",
 
        refund, name="refund"),
 
    url(r"^invoice_access/([A-Z0-9]+)$", invoice_access,
 
        name="invoice_access"),
 
    url(r"^invoice_mailout$", invoice_mailout, name="invoice_mailout"),
 
    url(r"^profile$", edit_profile, name="attendee_edit"),
 
    url(r"^review$", review, name="review"),
 
    url(r"^voucher$", voucher_code, name="voucher_code"),
 
    url(r"^register$", guided_registration, name="guided_registration"),
 
    url(r"^register/([0-9]+)$", guided_registration,
 
        name="guided_registration"),
 
]
 

	
 

	
 
reports = [
 
    url(r"^$", rv.reports_list, name="reports_list"),
 
    url(r"^attendee/?$", rv.attendee, name="attendee"),
 
    url(r"^attendee_data/?$", rv.attendee_data, name="attendee_data"),
 
    url(r"^attendee/([0-9]*)$", rv.attendee, name="attendee"),
 
    url(r"^credit_notes/?$", rv.credit_notes, name="credit_notes"),
 
    url(r"^limits/?$", rv.limits, name="reconciliation"),
 
    url(r"^manifest/?$", rv.manifest, name="manifest"),
 
    url(
 
        r"^product_line_items/?$",
 
        rv.product_line_items,
 
        name="product_line_items",
 
    ),
 
    url(r"^discount_status/?$", rv.discount_status, name="discount_status"),
 
    url(r"^invoices/?$", rv.invoices, name="invoices"),
 
    url(
 
        r"^paid_invoices_by_date/?$",
 
        rv.paid_invoices_by_date,
 
        name="paid_invoices_by_date"
 
    ),
 
    url(r"^product_status/?$", rv.product_status, name="product_status"),
 
    url(r"^reconciliation/?$", rv.reconciliation, name="reconciliation"),
 
    url(
 
        r"^speaker_registrations/?$",
 
        rv.speaker_registrations,
 
        name="speaker_registrations",
 
    ),
 
]
 

	
 

	
 
urlpatterns = [
 
    url(r"^reports/", include(reports)),
 
    url(r"^", include(public))  # This one must go last.
 
]
vendor/registrasion/registrasion/views.py
Show inline comments
 
import datetime
 
import zipfile
 
import os
 
import logging
 

	
 
from django.contrib import messages
 

	
 
from . import forms
 
from . import util
 
from .models import commerce
 
from .models import inventory
 
from .models import people
 
from .controllers.batch import BatchController
 
from .controllers.cart import CartController
 
from .controllers.category import CategoryController
 
from .controllers.credit_note import CreditNoteController
 
from .controllers.discount import DiscountController
 
from .controllers.invoice import InvoiceController
 
from .controllers.item import ItemController
 
from .controllers.product import ProductController
 
from .exceptions import CartValidationError
 

	
 
from collections import namedtuple
 

	
 
from django import forms as django_forms
 
from django.conf import settings
 
from django.contrib.auth.decorators import login_required
 
from django.contrib.auth.decorators import user_passes_test
 
from django.contrib.auth.models import User
 
from django.contrib import messages
 
from django.core.exceptions import ObjectDoesNotExist
 
from django.core.exceptions import ValidationError
 
from django.core.mail import send_mass_mail
 
from django.http import Http404, HttpResponse
 
from django.shortcuts import redirect
 
from django.shortcuts import render
 
from django.template import Context, Template, loader
 

	
 
from lxml import etree
 
from copy import deepcopy
 
from cairosvg import svg2png
 

	
 
from registrasion.forms import BadgeForm, ticket_selection
 
from registrasion.contrib.badger import (
 
                                         collate,
 
                                         svg_badge,
 
                                         InvalidTicketChoiceError
 
                                         )
 

	
 
_GuidedRegistrationSection = namedtuple(
 
    "GuidedRegistrationSection",
 
    (
 
        "title",
 
        "discounts",
 
        "description",
 
        "form",
 
    )
 
)
 

	
 

	
 
@util.all_arguments_optional
 
class GuidedRegistrationSection(_GuidedRegistrationSection):
 
    ''' Represents a section of a guided registration page.
 

	
 
    Attributes:
 
       title (str): The title of the section.
 

	
 
       discounts ([registrasion.contollers.discount.DiscountAndQuantity, ...]):
 
            A list of discount objects that are available in the section. You
 
            can display ``.clause`` to show what the discount applies to, and
 
            ``.quantity`` to display the number of times that discount can be
 
            applied.
 

	
 
       description (str): A description of the section.
 

	
 
       form (forms.Form): A form to display.
 
    '''
 
    pass
 

	
 

	
 
@login_required
 
def guided_registration(request, page_number=None):
 
    ''' Goes through the registration process in order, making sure user sees
 
    all valid categories.
 

	
 
    The user must be logged in to see this view.
 

	
 
    Parameter:
 
        page_number:
 
            1) Profile form (and e-mail address?)
 
            2) Ticket type
 
            3) Remaining products
 
            4) Mark registration as complete
 

	
 
    Returns:
 
        render: Renders ``registrasion/guided_registration.html``,
 
            with the following data::
 

	
 
                {
 
                    "previous_step": int(),  # Previous step
 
                    "current_step": int(),  # The current step in the
 
                                            # registration
 
                    "sections": sections,   # A list of
 
                                            # GuidedRegistrationSections
 
                    "title": str(),         # The title of the page
...
 
@@ -1052,148 +1053,155 @@ def extend_reservation(request, user_id, days=7):
 
    ''' Allows staff to extend the reservation on a given user's cart.
 
    '''
 

	
 
    user = User.objects.get(id=int(user_id))
 
    cart = CartController.for_user(user)
 
    cart.extend_reservation(datetime.timedelta(days=days))
 

	
 
    return redirect(request.META["HTTP_REFERER"])
 

	
 

	
 
Email = namedtuple(
 
    "Email",
 
    ("subject", "body", "from_email", "recipient_list"),
 
)
 

	
 

	
 
@user_passes_test(_staff_only)
 
def invoice_mailout(request):
 
    ''' Allows staff to send emails to users based on their invoice status. '''
 

	
 
    category = request.GET.getlist("category", [])
 
    product = request.GET.getlist("product", [])
 
    status = request.GET.get("status")
 

	
 
    form = forms.InvoiceEmailForm(
 
        request.POST or None,
 
        category=category,
 
        product=product,
 
        status=status,
 
    )
 

	
 
    emails = []
 

	
 
    if form.is_valid():
 
        emails = []
 
        for invoice in form.cleaned_data["invoice"]:
 
            # datatuple = (subject, message, from_email, recipient_list)
 
            from_email = form.cleaned_data["from_email"]
 
            subject = form.cleaned_data["subject"]
 
            body = Template(form.cleaned_data["body"]).render(
 
                Context({
 
                    "invoice": invoice,
 
                    "user": invoice.user,
 
                })
 
            )
 
            recipient_list = [invoice.user.email]
 
            emails.append(Email(subject, body, from_email, recipient_list))
 

	
 
        if form.cleaned_data["action"] == forms.InvoiceEmailForm.ACTION_SEND:
 
            # Send e-mails *ONLY* if we're sending.
 
            send_mass_mail(emails)
 
            messages.info(request, "The e-mails have been sent.")
 

	
 
    data = {
 
        "form": form,
 
        "emails": emails,
 
    }
 

	
 
    return render(request, "registrasion/invoice_mailout.html", data)
 

	
 
def _get_badge_template_name():
 
    return os.path.join(settings.PROJECT_ROOT, 'pinaxcon', 'templates',
 
                        settings.BADGER_DEFAULT_SVG)
 
@login_required
 
def user_badge(request):
 
def user_badge(request, format="png"):
 
    '''Shows the logged-in user their badge'''
 

	
 
    return render_badge(request.user)
 
    return render_badge(request.user, format)
 

	
 
@user_passes_test(_staff_only)
 
def badge(request, user_id):
 
def badge(request, user_id, format="svg"):
 
    ''' Renders a single user's badge (SVG). '''
 

	
 
    user_id = int(user_id)
 
    user = User.objects.get(pk=user_id)
 

	
 
    return render_badge(user)
 
    return render_badge(user, format)
 

	
 
def render_badge(user):
 
def render_badge(user, format="svg"):
 
    rendered = render_badge_svg(user)
 
    if format == "png":
 
        rendered = svg2png(bytestring=svg, dpi=72, scale=3)
 

	
 
    response = HttpResponse(rendered)
 

	
 
    if format == "svg":
 
        response["Content-Type"] = "image/svg+xml;charset=utf-8"
 
        response["Content-Disposition"] = 'inline; filename="badge.svg"'
 
    elif format == "png":
 
        response["Content-Type"] = "image/png"
 
        response["Content-Disposition"] = 'inline; filename="badge.png"'
 
    return response
 

	
 
def render_badge_svg(user):
 
    ''' Renders a single user's badge as SVG. '''
 

	
 
    data = {
 
        "user": user,
 
    }
 

	
 
    t = loader.get_template('registrasion/badge.svg')
 
    return t.render(data)
 

	
 
def badges(request):
 
    '''
 
    *** NOT USED FOR PYCONAU 2017 MELBOURNE  (I.e., not supported in badger module.) ***
 

	
 
    Either displays a form containing a list of users with badges to
 
    render, or returns a .zip file containing their badges. '''
 

	
 
    category = request.GET.getlist("category", [])
 
    product = request.GET.getlist("product", [])
 
    status = request.GET.get("status")
 

	
 
    form = forms.InvoicesWithProductAndStatusForm(
 
        request.POST or None,
 
        category=category,
 
        product=product,
 
        status=status,
 
    )
 

	
 
    if form.is_valid():
 
        response = HttpResponse()
 
        response["Content-Type"] = "application.zip"
 
        response["Content-Disposition"] = 'attachment; filename="badges.zip"'
 

	
 
        z = zipfile.ZipFile(response, "w")
 

	
 
        for invoice in form.cleaned_data["invoice"]:
 
            user = invoice.user
 
            badge = render_badge(user)
 
            z.writestr("badge_%d.svg" % user.id, badge.encode("utf-8"))
 

	
 
        return response
 

	
 
    data = {
 
        "form": form,
 
    }
 

	
 
    return render(request, "registrasion/badges.html", data)
 

	
 

	
 
def collate_from_form(form):
 
    '''
 
    Does what collate does, but using form data as its input source
 
    rather than User record.
 
    '''
 
        # Build the thing we'll pass to svg_badge() later.
 
    data = dict()
 

	
 
    # Get the name bits ...
 
    at_nm = form.data['name'].split()
 
    if at_nm[0].lower() in 'mr dr ms mrs miss'.split():
 
        at_nm[0] = at_nm[0] + ' ' + at_nm[1]
 
        del at_nm[1]
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