1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
from flask_wtf.form import FlaskForm
from wtforms.fields.core import SelectField, SelectMultipleField
from wtforms.fields.html5 import DateField, DecimalField
from wtforms.fields.simple import PasswordField, SubmitField, TextAreaField, StringField
from wtforms.validators import Email, DataRequired, ValidationError, EqualTo, NumberRange
from flask_babel import lazy_gettext as _
from flask import request
from werkzeug.security import generate_password_hash
from datetime import datetime
from re import match
from jinja2 import Markup
import email_validator
from ihatemoney.models import Project, Person
from ihatemoney.utils import slugify, eval_arithmetic_expression
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)
active_members = [(m.id, m.name) for m in project.active_members]
form.payed_for.choices = form.payer.choices = 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 CommaDecimalField(DecimalField):
"""A class to deal with comma in Decimal Field"""
def process_formdata(self, value):
if value:
value[0] = str(value[0]).replace(',', '.')
return super(CommaDecimalField, self).process_formdata(value)
class CalculatorStringField(StringField):
"""
A class to deal with math ops (+, -, *, /)
in StringField
"""
def process_formdata(self, valuelist):
if valuelist:
message = _(
"Not a valid amount or expression. "
"Only numbers and + - * / operators "
"are accepted."
)
value = str(valuelist[0]).replace(",", ".")
# avoid exponents to prevent expensive calculations i.e 2**9999999999**9999999
if not match(r'^[ 0-9\.\+\-\*/\(\)]{0,200}$', value) or "**" in value:
raise ValueError(Markup(message))
valuelist[0] = str(eval_arithmetic_expression(value))
return super(CalculatorStringField, self).process_formdata(valuelist)
class EditProjectForm(FlaskForm):
name = StringField(_("Project name"), validators=[DataRequired()])
password = StringField(_("Private code"), validators=[DataRequired()])
contact_email = StringField(_("Email"), validators=[DataRequired(), Email()])
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=generate_password_hash(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 = generate_password_hash(self.password.data)
project.contact_email = self.contact_email.data
return project
class ProjectForm(EditProjectForm):
id = StringField(_("Project identifier"), validators=[DataRequired()])
password = PasswordField(_("Private code"), validators=[DataRequired()])
submit = SubmitField(_("Create the project"))
def validate_id(form, field):
form.id.data = slugify(field.data)
if (form.id.data == "dashboard") or Project.query.get(form.id.data):
message = _("A project with this identifier (\"%(project)s\") already exists. "
"Please choose a new identifier", project=form.id.data)
raise ValidationError(Markup(message))
class AuthenticationForm(FlaskForm):
id = StringField(_("Project identifier"), validators=[DataRequired()])
password = PasswordField(_("Private code"), validators=[DataRequired()])
submit = SubmitField(_("Get in"))
class AdminAuthenticationForm(FlaskForm):
admin_password = PasswordField(_("Admin password"), validators=[DataRequired()])
submit = SubmitField(_("Get in"))
class PasswordReminder(FlaskForm):
id = StringField(_("Project identifier"), validators=[DataRequired()])
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 ResetPasswordForm(FlaskForm):
password_validators = [DataRequired(),
EqualTo('password_confirmation', message=_("Password mismatch"))]
password = PasswordField(_("Password"), validators=password_validators)
password_confirmation = PasswordField(_("Password confirmation"), validators=[DataRequired()])
submit = SubmitField(_("Reset password"))
class BillForm(FlaskForm):
date = DateField(_("Date"), validators=[DataRequired()], default=datetime.now)
what = StringField(_("What?"), validators=[DataRequired()])
payer = SelectField(_("Payer"), validators=[DataRequired()], coerce=int)
amount = CalculatorStringField(_("Amount paid"), validators=[DataRequired()])
payed_for = SelectMultipleField(_("For whom?"),
validators=[DataRequired()], coerce=int)
submit = SubmitField(_("Submit"))
submit2 = SubmitField(_("Submit and add a new one"))
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 = [int(ower.id) for ower in bill.owers]
def set_default(self):
self.payed_for.data = self.payed_for.default
def validate_amount(self, field):
if field.data == 0:
raise ValidationError(_("Bills can't be null"))
class MemberForm(FlaskForm):
name = StringField(_("Name"), validators=[DataRequired()])
weight_validators = [NumberRange(min=0.1, message=_("Weights should be positive"))]
weight = CommaDecimalField(_("Weight"), default=1,
validators=weight_validators)
submit = SubmitField(_("Add"))
def __init__(self, project, edit=False, *args, **kwargs):
super(MemberForm, self).__init__(*args, **kwargs)
self.project = project
self.edit = edit
def validate_name(form, field):
if field.data == form.name.default:
raise ValidationError(_("User name incorrect"))
if (not form.edit and Person.query.filter(
Person.name == field.data,
Person.project == form.project,
Person.activated == True).all()): # NOQA
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
person.weight = self.weight.data
return person
def fill(self, member):
self.name.data = member.name
self.weight.data = member.weight
class InviteForm(FlaskForm):
emails = TextAreaField(_("People to notify"))
submit = SubmitField(_("Send invites"))
def validate_emails(form, field):
for email in [email.strip() for email in form.emails.data.split(",")]:
try:
email_validator.validate_email(email)
except email_validator.EmailNotValidError:
raise ValidationError(_("The email %(email)s is not valid",
email=email))
|
