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from __future__ import with_statement
import web
from web import form
from model import *
from helper import appdir
from renderer import render
import datetime, decimal
import operator as op
from sqlalchemy import sql
class Show:
def GET(self, year = '', month = ''):
if year:
return self.render([self.calc(year, month)])
else:
d = datetime.date.today()
first = self.calc(d.year, d.month)
if d.month == 1:
second = self.calc(d.year - 1, 12)
else:
second = self.calc(d.year, d.month - 1)
return self.render([first, second])
def calc(self, year, month):
year = int(year)
month = int(month)
ssum = sql.functions.sum(SingleExpense.expense)
query = SingleExpense.of_month(month, year)
result = query.group_by(SingleExpense.category_id).\
values(SingleExpense.category_id, ssum)
exps = [CatExpense(Category.query.get(c), s, query.filter(SingleExpense.category_id == c)) for c,s in result]
return MonthExpense(datetime.date(int(year), int(month), 1), exps)
def render(self, exps):
return render("show", exps = exps)
class Add:
dformat = "%d.%m.%Y"
template = "add"
def GET(self):
return render(self.template, form = self.form())
def POST(self):
f = self.form()
if f.validates():
category = Category.get_by(name = f.category.value)
e = self.get_expense()
e.category = category
e.date = datetime.datetime.strptime(f.date.value, self.dformat)
e.expense = decimal.Decimal(f.expense.value)
e.description = f.description.value
raise web.seeother("/")
else:
return render(self.template, form = f)
def get_expense(self):
return SingleExpense()
def form(self):
return form.Form(
form.Textbox(
"date",
form.notnull,
value = datetime.date.today().strftime(self.dformat)
),
form.Textbox(
"expense",
form.notnull,
),
form.Textbox(
"description",
form.notnull
),
form.Dropdown(
"category",
map(op.itemgetter(0), sorted(Category.query.values(Category.name)))
),
validators = map(lambda x: form.Validator(*x), (
("Date Format does not match", lambda f: datetime.datetime.strptime(f.date, self.dformat)),
("Not a valid decimal", lambda f: decimal.Decimal(f.expense)),
))
)
class Edit (Add):
template = "edit"
def GET(self, id):
exp = SingleExpense.get(id)
self.get_expense = lambda *x: exp
fvalues = { "date" : exp.date.strftime(self.dformat), "expense" : str(exp.expense), "description" : exp.description, "category" : exp.category.name }
f = self.form()
f.fill(fvalues)
return render(self.template, form = f)
def POST(self, id):
exp = SingleExpense.get(id)
self.get_expense = lambda *x: exp
return Add.POST(self)
class Const:
def GET(self):
return "Const"
class ConstAdd:
def GET(self):
return "Add new const"
class ConstEdit:
def GET(self, id):
return "Const Edit " + id
class Cat:
def GET(self, id = '/'):
if id:
id = id[1:]
if not id: return "Add new cat"
else: return "Edit cat " + id
class FourOhFour:
"""
404 error page.
"""
def GET (self, p):
raise self.catch(p)
@staticmethod
def catch (page = "?"):
return web.notfound(render("404", level = "", page = page))
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