104 lines
4.2 KiB
Python
104 lines
4.2 KiB
Python
import datetime
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import uuid
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import pkg_resources
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from pyramid.response import FileResponse
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from sqlalchemy.orm import joinedload_all
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from sqlalchemy.sql.expression import func
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from pyramid.view import view_config
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from brewman.models import DBSession
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from brewman.models.master import LedgerBase
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from brewman.models.validation_exception import TryCatchFunction
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from brewman.models.voucher import Voucher, Journal, VoucherType
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from brewman.views.services.session import session_period_start, session_period_finish
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from brewman.views.services.voucher import get_edit_url
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@view_config(request_method='GET', route_name='ledger_id', permission='Ledger')
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@view_config(request_method='GET', route_name='ledger', permission='Ledger')
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def html(request):
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package, resource = 'brewman:static/base.html'.split(':', 1)
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file = pkg_resources.resource_filename(package, resource)
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return FileResponse(file, request=request)
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@view_config(request_method='GET', route_name='api_ledger', renderer='json', permission='Ledger')
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def show_blank(request):
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return {'StartDate': session_period_start(request),
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'FinishDate': session_period_finish(request), 'Ledger': None, 'Body': [], 'Footer': {}}
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@view_config(request_method='GET', route_name='api_ledger_id', renderer='json', permission='Ledger')
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@TryCatchFunction
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def show_data(request):
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ledger_id = request.matchdict['id']
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ledger = LedgerBase.by_id(uuid.UUID(ledger_id))
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start_date = request.GET.get('StartDate', session_period_start(request))
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finish_date = request.GET.get('FinishDate', session_period_finish(request))
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info = {'StartDate': start_date, 'FinishDate': finish_date,
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'Ledger': {'LedgerID': ledger.id, 'Name': ledger.name},
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'Body': [], 'Footer': {}}
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build_report(request, info)
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return info
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def build_report(request, info):
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ledger_id = info['Ledger']['LedgerID']
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start_date = info['StartDate']
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finish_date = info['FinishDate']
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opening = opening_balance(ledger_id, start_date)
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info['Body'].append(opening)
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query = Voucher.query().options(joinedload_all(Voucher.journals, Journal.ledger, innerjoin=True)) \
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.filter(Voucher.journals.any(Journal.ledger_id == ledger_id)) \
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.filter(Voucher.date >= datetime.datetime.strptime(start_date, '%d-%b-%Y')) \
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.filter(Voucher.date <= datetime.datetime.strptime(finish_date, '%d-%b-%Y')) \
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.filter(Voucher.type != VoucherType.by_name('Issue').id) \
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.order_by(Voucher.date).order_by(Voucher.last_edit_date).all()
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for voucher in query:
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debit = 0
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credit = 0
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journal_debit = 0
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name = ""
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for journal in voucher.journals:
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if journal.ledger_id == ledger_id:
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journal_debit = journal.debit
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if journal.debit == 1:
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debit = journal.amount
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credit = 0
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else:
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credit = journal.amount
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debit = 0
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for journal in voucher.journals:
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if journal.debit != journal_debit:
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name += "{0} / ".format(journal.ledger.name)
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name = name[:-3]
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info['Body'].append(
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{'ID': voucher.id, 'Date': voucher.date.strftime('%d-%b-%Y'), 'Name': name,
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'Url': get_edit_url(request, voucher), 'Type': VoucherType.by_id(voucher.type).name,
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'Narration': voucher.narration, 'Debit': debit, 'Credit': credit, 'Posted': voucher.posted})
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info['Footer'] = {'Date': finish_date}
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def opening_balance(ledger_id, start_date):
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opening = DBSession.query(func.sum(Journal.amount * Journal.debit)) \
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.join(Journal.voucher) \
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.filter(Voucher.date < datetime.datetime.strptime(start_date, '%d-%b-%Y')) \
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.filter(Voucher.type != VoucherType.by_name('Issue').id) \
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.filter(Journal.ledger_id == ledger_id) \
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.scalar()
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opening = 0 if opening is None else opening
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if opening < 0:
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credit = opening * -1
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debit = 0
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else:
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debit = opening
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credit = 0
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return {'Date': start_date, 'ID': 'OB', 'Name': 'Opening Balance', 'Type': 'Opening Balance',
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'Narration': '', 'Debit': debit, 'Credit': credit, 'Posted': True}
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