Complex reports API draft

reportsapi.md

Draft #1

>>> from pprint import pprint
>>> a = Account.objects.get(code='M201064001')
>>> pprint(a.report(ending='2012-02', length=3))
{'M201064001': {'2011-12': {'cons': 0.12,
                            'corp': 0.88,
                            'total': Decimal('900')},
                '2012-01': {'cons': 0.12,
                            'corp': 0.88,
                            'total': Decimal('900')},
                '2012-02': {'cons': 0.12,
                            'corp': 0.88,
                            'total': Decimal('800')}}}
>>> aa = Account.objects.filter(code__startswith='M20106400')
>>> r = aa.reports.report(ending='2012-02', length=3, billed=True, exclude_total=True)
>>> pprint(r)
{'M201064001': {'2011-12': {'cons': 0.12,
                            'corp': 0.88,
                            'billed': Decimal('1900')},
                '2012-01': {'cons': 0.12,
                            'corp': 0.88,
                            'billed': Decimal('1900')},
                '2012-02': {'cons': 0.12,
                            'corp': 0.88,
                            'billed': Decimal('1800')}},
 'M201064002': {'2011-12': {'cons': 0.35,
                            'corp': 0.65,
                            'billed': Decimal('1700')},
                '2012-01': {'cons': 0.4,
                            'corp': 0.6,
                            'billed': Decimal('1700')},
                '2012-02': {'cons': 0.34,
                            'corp': 0.66,
                            'billed': Decimal('1600')}}}