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from flaskext.wtf import *
from flaskext.babel import lazy_gettext as _
from flask import request
from wtforms.widgets import html_params
from models import Project, Person, Bill, db
from datetime import datetime
from jinja2 import Markup
from utils import slugify
def select_multi_checkbox(field, ul_class='', **kwargs):
kwargs.setdefault('type', 'checkbox')
field_id = kwargs.pop('id', field.id)
html = [u'<ul %s>' % html_params(id=field_id, class_="inputs-list")]
for value, label, checked in field.iter_choices():
choice_id = u'%s-%s' % (field_id, value)
options = dict(kwargs, name=field.name, value=value, id=choice_id)
if checked:
options['checked'] = 'checked'
html.append(u'<li><label for="%s">%s<span>%s</span></label></li>' % (choice_id, '<input %s /> ' % html_params(**options), label))
html.append(u'</ul>')
return u''.join(html)
def get_billform_for(project, set_default=True, **kwargs):
"""Return an instance of BillForm configured for a particular project.
:set_default: if set to True, on GET methods (usually when we want to
display the default form, it will call set_default on it.
"""
form = BillForm(**kwargs)
form.payed_for.choices = form.payer.choices = [(m.id, m.name) for m in project.active_members]
form.payed_for.default = [m.id for m in project.active_members]
if set_default and request.method == "GET":
form.set_default()
return form
class EditProjectForm(Form):
name = TextField(_("Project name"), validators=[Required()])
password = TextField(_("Private code"), validators=[Required()])
contact_email = TextField(_("Email"), validators=[Required(), Email()])
submit = SubmitField(_("Edit the project"))
def save(self):
"""Create a new project with the information given by this form.
Returns the created instance
"""
project = Project(name=self.name.data, id=self.id.data,
password=self.password.data,
contact_email=self.contact_email.data)
return project
def update(self, project):
"""Update the project with the information from the form"""
project.name = self.name.data
project.password = self.password.data
project.contact_email = self.contact_email.data
return project
class ProjectForm(EditProjectForm):
id = TextField(_("Project identifier"), validators=[Required()])
password = PasswordField(_("Private code"), validators=[Required()])
submit = SubmitField(_("Create the project"))
def validate_id(form, field):
form.id.data = slugify(field.data)
if Project.query.get(form.id.data):
raise ValidationError(Markup(_("The project identifier is used to log in and for the URL of the project. We tried to generate an identifier for you but a project with this identifier already exists. Please create a new identifier you will be able to remember.")))
class AuthenticationForm(Form):
id = TextField(_("Project identifier"), validators=[Required()])
password = PasswordField(_("Private code"), validators=[Required()])
submit = SubmitField(_("Get in"))
class PasswordReminder(Form):
id = TextField(_("Project identifier"), validators=[Required()])
submit = SubmitField(_("Send me the code by email"))
def validate_id(form, field):
if not Project.query.get(field.data):
raise ValidationError(_("This project does not exists"))
class BillForm(Form):
date = DateField(_("Date"), validators=[Required()], default=datetime.now)
what = TextField(_("What?"), validators=[Required()])
payer = SelectField(_("Payer"), validators=[Required()], coerce=int)
amount = DecimalField(_("Amount payed"), validators=[Required()])
payed_for = SelectMultipleField(_("Who has to pay for this?"),
validators=[Required()], widget=select_multi_checkbox, coerce=int)
submit = SubmitField(_("Send the bill"))
def save(self, bill, project):
bill.payer_id=self.payer.data
bill.amount=self.amount.data
bill.what=self.what.data
bill.date=self.date.data
bill.owers = [Person.query.get(ower, project)
for ower in self.payed_for.data]
return bill
def fill(self, bill):
self.payer.data = bill.payer_id
self.amount.data = bill.amount
self.what.data = bill.what
self.date.data = bill.date
self.payed_for.data = [str(ower.id) for ower in bill.owers]
def set_default(self):
self.payed_for.data = self.payed_for.default
class MemberForm(Form):
name = TextField(_("Name"), validators=[Required()])
submit = SubmitField(_("Add a member"))
def __init__(self, project, *args, **kwargs):
super(MemberForm, self).__init__(*args, **kwargs)
self.project = project
def validate_name(form, field):
if Person.query.filter(Person.name == field.data)\
.filter(Person.project == form.project)\
.filter(Person.activated == True).all():
raise ValidationError(_("This project already have this member"))
def save(self, project, person):
# if the user is already bound to the project, just reactivate him
person.name = self.name.data
person.project = project
return person
class InviteForm(Form):
emails = TextAreaField(_("People to notify"))
submit = SubmitField(_("Send invites"))
def validate_emails(form, field):
validator = Email()
for email in [email.strip() for email in form.emails.data.split(",")]:
if not validator.regex.match(email):
raise ValidationError(_("The email %(email)s is not valid",
email=email))
class CreateArchiveForm(Form):
start_date = DateField(_("Start date"), validators=[Required(),])
end_date = DateField(_("End date"), validators=[Required(),])
name = TextField(_("Name for this archive (optional)"))
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