def add(self):
if GenericViewer.add(self):
return False
operation = Operation(
number = self.request.get('number'),
date = datetime.strptime(self.request.get('date'),'%m/%d/%Y'),
description = self.request.get('description'),
#payee,
categories = db.get(self.request.get('category')),
account = db.get(self.request.get('account')),
amount = self.request.get('amount')
)
operation.put()
self.messages.append('Operation ``%s'' successfully added.'
% operation.description)
self.redirect('/operation?account=' + self.request.get('account'))
return True
def getTotalAmount(self,account):
currentAmount = 0
operations_query = Operation.all()
operations_query.filter('account =', account)
currentAmount=Decimal()
for op in operations_query:
currentAmount += Decimal(op.amount)
return currentAmount
def view(self):
if not self.request.get('account'):
self.redirect('/')
return
account = db.get (self.request.get('account'))
if not account or account.owner != users.get_current_user():
self.redirect('/')
return
order = self.request.get('order')
if order is '':
order = 'date'
operations_query = Operation.all()
operations_query.filter('account =', db.get(self.request.get('account')))
operations_query.order(order)
operations = operations_query.fetch(10)
currentAmount=Decimal()
currentCredit=Decimal()
currentDebit=Decimal()
for op in operations:
amount = Decimal(op.amount)
if amount < 0:
op.debit = op.amount
currentDebit += amount
else:
op.credit = op.amount
currentCredit += amount
currentAmount += amount
categories_query = PayeeCategory.all().order('name')
categories=[]
for category in categories_query:
part = category.name.partition('/')
if part[1] == '':
category.root = ''
else:
category.root = part[0]
category.name = part[2]
categories.append(category)
template_values = {
'currency': account.currency,
'operations': operations,
'currentAccount': account,
'amountPositive': currentAmount >= 0,
'currentCredit': currentCredit,
'currentDebit': currentDebit,
'currentAmount': currentAmount,
'categories': categories,
'chartExpense': self.categoryChart(account),
'chartTakings': self.categoryChart(account, showExpense=False)
}
addCommonTemplateValues(template_values, self)
path = os.path.join(os.path.dirname(__file__), 'operation.html')
self.response.out.write(template.render(path, template_values))
def categoryChart(self, account, showExpense=True, title=None, id=None):
if account is None:
return ""
if not users.is_current_user_admin():
if account.owner is not users.get_current_user():
return ""
if id is None:
id = "category_chart_" + account.key().__str__()
if title is None:
if showExpense:
title = "Expense by payee category"
else:
title = "Takings by payee category"
operations_query = Operation.all()
operations_query.filter('account =', account)
values = {}
for op in operations_query:
if showExpense:
if op.amount < 0:
if values.has_key(op.categories):
values[op.categories.name] += -op.amount
else:
values[op.categories.name] = -op.amount
else:
if op.amount > 0:
if values.has_key(op.categories):
values[op.categories.name] += op.amount
else:
values[op.categories.name] = op.amount
str = """
<script type=\"text/javascript\">
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Category');
data.addColumn('number', 'Number of operations');
data.addRows(%i);
"""% (len(values.keys()))
i = 0
for k,v in values.iteritems():
str += "data.setValue(%i, 0,'%s');\n" % (i,k)
str += "data.setValue(%i, 1,%s);\n" % (i,v)
i += 1
str += """
var chart = new google.visualization.PieChart(document.getElementById('%s'));
chart.draw(data, {width: 400, height: 240, is3D: true, title: '%s'});
}
</script>
<div id='%s'></div>
""" % (id,title,id)
return str