symposion_app/registrasion/reporting/reports.py
2016-09-02 10:28:24 +10:00

92 lines
2.3 KiB
Python

from collections import namedtuple
from django.contrib.auth.decorators import user_passes_test
from django.core.urlresolvers import reverse
from django.db import models
from django.db.models import F, Q
from django.db.models import Sum
from django.db.models import Case, When, Value
from django.http import Http404
from django.shortcuts import render
from functools import wraps
from registrasion import forms
from registrasion import views
from registrasion.models import commerce
from registrasion.models import inventory
''' 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):
self._headings = headings
self._data = data
@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
def report_view(title, form_type):
''' Decorator that converts a report view function into something that
displays a Report.
Arguments:
title (str):
The title of the report.
form_type (forms.Form or None):
A form class that can make this report display things. If None,
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)