symposion_app/registrasion/reporting/reports.py
2016-09-02 11:25:50 +10:00

90 lines
2.2 KiB
Python

from django.contrib.auth.decorators import user_passes_test
from django.shortcuts import render
from functools import wraps
from registrasion import views
''' A list of report views objects that can be used to load a list of
reports. '''
_all_report_views = []
class Report(object):
def __init__(self, title, headings, data, link_view=None):
self._headings = headings
self._data = data
self._link_view = link_view
@property
def title(self):
''' Returns the title for this report. '''
return self._title
@property
def headings(self):
''' Returns the headings for the table. '''
return self._headings
@property
def data(self):
''' Returns the data rows for the table. '''
return self._data
@property
def link_view(self):
''' Returns the URL name or the view callable that can be used to
view the row's detail. The left-most value is passed into `reverse`
as an argument. '''
return self._link_view
def report_view(title, form_type=None):
''' Decorator that converts a report view function into something that
displays a Report.
Arguments:
title (str):
The title of the report.
form_type (Optional[forms.Form]):
A form class that can make this report display things. If not
supplied, no form will be displayed.
'''
def _report(view):
@wraps(view)
@user_passes_test(views._staff_only)
def inner_view(request, *a, **k):
if form_type is not None:
form = form_type(request.GET)
form.is_valid()
else:
form = None
report = view(request, form, *a, **k)
ctx = {
"title": title,
"form": form,
"report": report,
}
return render(request, "registrasion/report.html", ctx)
# Add this report to the list of reports.
_all_report_views.append(inner_view)
# Return the callable
return inner_view
return _report
def get_all_reports():
''' Returns all the views that have been registered with @report '''
return list(_all_report_views)