django-orchestra-test/orchestra/apps/payments/admin.py

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from django import forms
from django.conf.urls import patterns, url
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from django.contrib import admin
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from django.core.urlresolvers import reverse
from django.shortcuts import render, redirect
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from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ChangeViewActionsMixin
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from orchestra.admin.utils import admin_colored, admin_link, wrap_admin_view
from orchestra.apps.accounts.admin import AccountAdminMixin
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from . import actions
from .methods import PaymentMethod
from .models import PaymentSource, Transaction, TransactionProcess
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STATE_COLORS = {
Transaction.WAITTING_PROCESSING: 'darkorange',
Transaction.WAITTING_CONFIRMATION: 'magenta',
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Transaction.EXECUTED: 'olive',
Transaction.SECURED: 'green',
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Transaction.REJECTED: 'red',
}
class TransactionInline(admin.TabularInline):
model = Transaction
can_delete = False
extra = 0
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fields = (
'transaction_link', 'bill_link', 'source_link', 'display_state',
'amount', 'currency'
)
readonly_fields = fields
transaction_link = admin_link('__unicode__', short_description=_("ID"))
bill_link = admin_link('bill')
source_link = admin_link('source')
display_state = admin_colored('state', colors=STATE_COLORS)
class Media:
css = {
'all': ('orchestra/css/hide-inline-id.css',)
}
def has_add_permission(self, *args, **kwargs):
return False
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class TransactionAdmin(ChangeViewActionsMixin, AccountAdminMixin, admin.ModelAdmin):
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list_display = (
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'id', 'bill_link', 'account_link', 'source_link', 'display_state',
'amount', 'process_link'
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)
list_filter = ('source__method', 'state')
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actions = (
actions.process_transactions, actions.mark_as_executed,
actions.mark_as_secured, actions.mark_as_rejected
)
change_view_actions = actions
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filter_by_account_fields = ['source']
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readonly_fields = ('bill_link', 'display_state', 'process_link', 'account_link')
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bill_link = admin_link('bill')
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source_link = admin_link('source')
process_link = admin_link('process', short_description=_("proc"))
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account_link = admin_link('bill__account')
display_state = admin_colored('state', colors=STATE_COLORS)
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def get_queryset(self, request):
qs = super(TransactionAdmin, self).get_queryset(request)
return qs.select_related('source', 'bill__account__user')
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def get_change_view_actions(self, obj=None):
actions = super(TransactionAdmin, self).get_change_view_actions()
discard = []
if obj:
if obj.state == Transaction.EXECUTED:
discard = ['mark_as_executed']
elif obj.state == Transaction.REJECTED:
discard = ['mark_as_rejected']
elif obj.state == Transaction.SECURED:
discard = ['mark_as_secured']
if not discard:
return actions
return [action for action in actions if action.__name__ not in discard]
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class PaymentSourceAdmin(AccountAdminMixin, admin.ModelAdmin):
list_display = ('label', 'method', 'number', 'account_link', 'is_active')
list_filter = ('method', 'is_active')
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def get_form(self, request, obj=None, **kwargs):
if obj:
self.form = obj.method_class().get_form()
else:
self.form = PaymentMethod.get_plugin(self.method)().get_form()
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return super(PaymentSourceAdmin, self).get_form(request, obj=obj, **kwargs)
def get_urls(self):
""" Hooks select account url """
urls = super(PaymentSourceAdmin, self).get_urls()
admin_site = self.admin_site
opts = self.model._meta
info = opts.app_label, opts.model_name
select_urls = patterns("",
url("/select-method/$",
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wrap_admin_view(self, self.select_method_view),
name='%s_%s_select_method' % info),
)
return select_urls + urls
def select_method_view(self, request):
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opts = self.model._meta
context = {
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'opts': opts,
'app_label': opts.app_label,
'methods': PaymentMethod.get_plugin_choices(),
}
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template = 'admin/payments/payment_source/select_method.html'
return render(request, template, context)
def add_view(self, request, form_url='', extra_context=None):
""" Redirects to select account view if required """
if request.user.is_superuser:
method = request.GET.get('method')
if method or PaymentMethod.get_plugins() == 1:
self.method = method
if not method:
self.method = PaymentMethod.get_plugins()[0]
return super(PaymentSourceAdmin, self).add_view(request,
form_url=form_url, extra_context=extra_context)
return redirect('./select-method/?%s' % request.META['QUERY_STRING'])
def save_model(self, request, obj, form, change):
if not change:
obj.method = self.method
obj.save()
class TransactionProcessAdmin(admin.ModelAdmin):
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list_display = ('id', 'file_url', 'display_transactions', 'created_at')
fields = ('data', 'file_url', 'display_transactions', 'created_at')
readonly_fields = ('file_url', 'display_transactions', 'created_at')
inlines = [TransactionInline]
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def file_url(self, process):
if process.file:
return '<a href="%s">%s</a>' % (process.file.url, process.file.name)
file_url.allow_tags = True
file_url.admin_order_field = 'file'
def display_transactions(self, process):
ids = []
lines = []
counter = 0
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# Because of values_list this query doesn't benefit from prefetch_related
tx_ids = process.transactions.values_list('id', flat=True)
for tx_id in tx_ids:
ids.append(str(tx_id))
counter += 1
if counter > 10:
counter = 0
lines.append(','.join(ids))
ids = []
lines.append(','.join(ids))
url = reverse('admin:payments_transaction_changelist')
url += '?processes=%i' % process.id
return '<a href="%s">%s</a>' % (url, '<br>'.join(lines))
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display_transactions.short_description = _("Transactions")
display_transactions.allow_tags = True
admin.site.register(PaymentSource, PaymentSourceAdmin)
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admin.site.register(Transaction, TransactionAdmin)
admin.site.register(TransactionProcess, TransactionProcessAdmin)