picard/picard/views/product.py

188 lines
7.9 KiB
Python

import json
__author__ = 'tanshu'
from decimal import Decimal
import uuid
import pkg_resources
from pyramid.response import Response, FileResponse
from pyramid.security import authenticated_userid
from pyramid.view import view_config
import transaction
from .. import groupfinder
from ..models import DBSession
from ..models.master import Product, Tax
from ..models.validation_exception import TryCatchFunction, ValidationError
@view_config(route_name='product_list', permission='Authenticated')
@view_config(request_method='GET', route_name='product_id', permission='Products')
@view_config(request_method='GET', route_name='product', permission='Products')
def html(request):
package, resource = 'picard:static/base.html'.split(':', 1)
icon = pkg_resources.resource_filename(package, resource)
return FileResponse(icon, request=request)
@view_config(request_method='POST', route_name='api_product', renderer='json', permission='Products')
@TryCatchFunction
def save(request):
json = request.json_body
name = json.get('Name', '').strip()
if name == '':
raise ValidationError('Validation', 'Name cannot be blank')
units = json.get('Units', '').strip()
product_group_id = uuid.UUID(json['ProductGroupID'])
price = Decimal(json.get('Price', 0))
happy_hour = json.get('HappyHour', False)
service_tax_id = uuid.UUID(json['ServiceTaxID'])
vat_id = uuid.UUID(json['VatID'])
service_charge = round(Decimal(json.get('ServiceCharge', 0)) / 100, 5)
sc_taxable = json['ScTaxable']
is_active = json['IsActive']
sort_order = json['SortOrder']
item = Product(0, name, units, product_group_id, price, happy_hour, service_tax_id, vat_id, service_charge,
sc_taxable, is_active, sort_order).create()
transaction.commit()
return product_info(item.id)
@view_config(request_method='POST', route_name='api_product_id', renderer='json', permission='Products')
@TryCatchFunction
def update(request):
item = Product.by_id(uuid.UUID(request.matchdict['id']))
if item.is_fixture:
raise ValidationError('Fixture', "{0} cannot be edited or deleted.".format(item.full_name))
name = request.json_body['Name'].strip()
if name == '':
raise ValidationError('Validation', 'Name cannot be blank')
item.name = name
item.units = request.json_body['Units'].strip()
item.product_group_id = uuid.UUID(request.json_body['ProductGroupID'])
item.price = Decimal(request.json_body.get('Price', 0))
item.price = Decimal(request.json_body.get('Price', 0))
item.happy_hour = request.json_body.get('HappyHour', False)
item.service_tax_id = uuid.UUID(request.json_body['ServiceTaxID'])
item.vat_id = uuid.UUID(request.json_body['VatID'])
item.service_charge = round(Decimal(request.json_body.get('ServiceCharge', 0)) / 100, 5)
item.sc_taxable = request.json_body['ScTaxable']
item.is_active = request.json_body['IsActive']
item.sort_order = request.json_body['SortOrder']
transaction.commit()
return product_info(item.id)
@view_config(request_method='DELETE', route_name='api_product_id', renderer='json', permission='Products')
@TryCatchFunction
def delete(request):
product = Product.by_id(uuid.UUID(request.matchdict['id']))
can_delete, reason = product.can_delete('Advanced Delete' in groupfinder(authenticated_userid(request), request))
if can_delete:
delete_with_data(product)
transaction.commit()
return product_info(None)
else:
transaction.abort()
response = Response(json.dumps(reason))
response.status_int = 500
return response
@view_config(request_method='GET', route_name='api_product_id', renderer='json', permission='Products')
def show_id(request):
return product_info(uuid.UUID(request.matchdict.get('id', None)))
@view_config(request_method='GET', route_name='api_product', renderer='json', permission='Products')
def show_blank(request):
return product_info(None)
@view_config(request_method='GET', route_name='api_product', request_param='l', renderer='json',
permission='Authenticated')
def show_list(request):
list = Product.query().order_by(Product.is_active.desc()).order_by(Product.product_group_id).order_by(
Product.name).all()
products = []
for item in list:
products.append(
{'Code': item.code, 'Name': item.full_name, 'ProductGroup': item.product_group.name, 'Price': item.price,
'HappyHour': item.happy_hour, 'ServiceTax': item.service_tax.name,
'ServiceTaxRate': item.service_tax.rate * 100, 'Vat': item.vat.name, 'VatRate': item.vat.rate * 100,
'ServiceCharge': item.service_charge * 100, 'ScTaxable': item.sc_taxable, 'IsActive': item.is_active,
'IsFixture': item.is_fixture, 'SortOrder': item.sort_order,
'Url': request.route_url('product_id', id=item.id)})
return products
@view_config(request_method='GET', route_name='api_product', renderer='json', request_param='q',
permission='Authenticated')
def show_term(request):
term = request.GET.get('term', None)
term = term if term is not None and term is not '' else None
active = request.GET.get('a', None)
active = active if active is not None else None
count = request.GET.get('count', None)
count = None if count is None or count == '' else int(count)
list = []
for index, item in enumerate(Product.list(term, active)):
list.append({'ProductID': item.id, 'Name': item.full_name, 'Price': item.price})
if count is not None and index == count - 1:
break
return list
def product_info(id):
if id is None:
product = {'Code': '(Auto)', 'HappyHour': False, 'ScTaxable': False, 'ServiceTaxID': Tax.tax_free_id(),
'VatID': Tax.tax_free_id(), 'IsActive': True, 'SortOrder': 0}
else:
product = Product.by_id(id)
product = {'ProductID': product.id, 'Code': product.code, 'Name': product.name, 'Units': product.units,
'ProductGroupID': product.product_group_id, 'Price': product.price, 'HappyHour': product.happy_hour,
'ServiceTaxID': product.service_tax_id, 'VatID': product.vat_id,
'ServiceCharge': product.service_charge * 100, 'ScTaxable': product.sc_taxable,
'IsActive': product.is_active, 'SortOrder': product.sort_order}
return product
def delete_with_data(product):
pass
#suspense_product = Product.by_id(Product.suspense())
#suspense_batch = Batch.by_id(Batch.suspense())
#query = Voucher.query().options(joinedload_all(Voucher.inventories, Inventory.product, innerjoin=True)) \
# .filter(Voucher.inventories.any(Inventory.product_id == product.id)) \
# .all()
#
#for voucher in query:
# others, sus_inv, prod_inv = False, None, None
# for inventory in voucher.inventories:
# if inventory.product_id == product.id:
# prod_inv = inventory
# elif inventory.product_id == Product.suspense():
# sus_inv = inventory
# else:
# others = True
# if not others and voucher.type == VoucherType.by_id('Issue'):
# DBSession.delete(voucher)
# else:
# if sus_inv is None:
# prod_inv.product = suspense_product
# prod_inv.quantity = prod_inv.amount
# prod_inv.rate = 1
# prod_inv.tax = 0
# prod_inv.discount = 0
# prod_inv.batch = suspense_batch
# voucher.narration += '\nSuspense \u20B9{0:,.2f} is {1}'.format(prod_inv.amount, product.name)
# else:
# sus_inv.quantity += prod_inv.amount
# DBSession.delete(prod_inv)
# voucher.narration += '\nDeleted \u20B9{0:,.2f} of {1}'.format(prod_inv.amount, product.name)
#for batch in product.batches:
# DBSession.delete(batch)
DBSession.delete(product)