La version 5 de Planète Casio. Regroupe le forum, les programmes, les tutoriel, les sprites et tous les autres outils développés par nos soins.
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from datetime import date
from app import db
from flask_login import UserMixin
from app.models.contents import Content
from app.models.privs import SpecialPrivilege, Group, GroupMember, \
from config import V5Config
import re
import math
import app
# User: Website user that performs actions on the content
class User(UserMixin, db.Model):
__tablename__ = 'user'
# User ID, should be used to refer to any user. Thea actual user can either
# be a guest (with IP as key) or a member (with this ID as key).
id = db.Column(db.Integer, primary_key=True)
# User type (polymorphic discriminator)
type = db.Column(db.String(30))
# TODO: add good relation
contents = db.relationship('Content', back_populates="author")
__mapper_args__ = {
'polymorphic_identity': __tablename__,
'polymorphic_on': type
def __repr__(self):
return f'<User #{}>'
def valid_name(name):
Checks whether a string is a valid user name. The criteria are:
1. At least 3 characters and no longer than 32 characters
2. No whitespace-class character
3. No special chars
4. At least one letter
5. Not in forbidden usernames
Possibily other intresting criteria:
6. Unicode restriction
# Rule 1
if type(name) != str or len(name) < 3 or len(name) > 32:
return False
# Rule 2
# Reject all Unicode whitespaces. This is important to avoid the most
# common Unicode tricks!
if'\s', name) is not None:
return False
# Rule 3
if, name) is not None:
return False
# Rule 4
# There must be at least one letter (avoid complete garbage)
if'\w', name) is None:
return False
# Rule 5
if name in V5Config.FORBIDDEN_USERNAMES:
return False
return True
# Guest: Unregistered user with minimal privileges
class Guest(User, db.Model):
__tablename__ = 'guest'
__mapper_args__ = {'polymorphic_identity': __tablename__}
# ID of the [User] entry
id = db.Column(db.Integer, db.ForeignKey(''), primary_key=True)
# Reusable username, can be the name of a member (will be distinguished at
# rendering time)
username = db.Column(db.Unicode(64), index=True)
# IP address, 47 characters is the max for an IPv6 address
ip = db.Column(db.String(47))
def __repr__(self):
return f'<Guest: {self.username} ({self.ip})>'
# Member: Registered user with full access to the website's services
class Member(User, db.Model):
__tablename__ = 'member'
__mapper_args__ = {'polymorphic_identity': __tablename__}
# Id of the [User] entry
id = db.Column(db.Integer, db.ForeignKey(''), primary_key=True)
# Primary attributes (needed for the system to work)
name = db.Column(db.Unicode(32), index=True, unique=True)
email = db.Column(db.Unicode(120), index=True, unique=True)
password_hash = db.Column(db.String(255))
xp = db.Column(db.Integer)
innovation = db.Column(db.Integer)
register_date = db.Column(db.Date,
# Avatars # TODO: rendre ça un peu plus propre
def avatar(self):
return 'avatars/' + str( + '.png'
def level(self):
xp = self.xp + 2 * self.innovation
level = math.asinh(xp / 1000) * (100 / math.asinh(10))
return int(level), int(level * 100) % 100
# Groups and related privileges
groups = db.relationship('Group', secondary=GroupMember,
# Personal information, all optional
bio = db.Column(db.UnicodeText)
signature = db.Column(db.UnicodeText)
birthday = db.Column(db.Date)
# Settings
newsletter = db.Column(db.Boolean, default=False)
# Relations
# trophies = db.relationship('Trophy', back_populates='member')
# tests = db.relationship('Test', back_populates='author')
def __init__(self, name, email, password):
"""Register a new user."""
if not User.valid_name(name):
raise Exception(f'{name} is not a valid user name') = name = email
self.xp = 0
self.innovation = 0 = ""
self.signature = ""
self.birthday = None
def delete(self):
Deletes the user and the associated information:
* Special privileges
for sp in SpecialPrivilege.query.filter_by(
def priv(self, priv):
"""Check whether the member has the specified privilege."""
if SpecialPrivilege.query.filter_by(, priv=priv).first():
return True
return False
# return db.session.query(User, Group, GroupPrivilege).filter(
# GroupPrivilege.priv==priv).first() is not None
def special_privileges(self):
"""List member's special privileges."""
sp = SpecialPrivilege.query.filter_by(
return sorted(row.priv for row in sp)
def update(self, **data):
Update all or part of the user's metadata. The [data] dictionary
accepts the following keys:
"name" str User name
"email" str User mail ddress
"password" str Raw password
"bio" str Biograpy
"signature" str Post signature
"birthday" date Birthday date
"newsletter" bool Newsletter setting
For future compatibility, other attributes are silently ignored. None
values can be specified and are ignored.
It is the caller's responsibility to check that the request sender has
the right to change user names, password... otherwise this method will
turn out dangerous!
data = {key: data[key] for key in data if data[key] is not None}
if "name" in data:
if not User.valid_name(data["name"]):
raise Exception(f'{data["name"]} is not a valid user name') = data["name"]
# TODO: verify good type of those args, think about the password mgt
if "email" in data: = data["email"]
if "password" in data:
if "bio" in data: = data["bio"]
if "signature" in data:
self.signature = data["signature"]
if "birthday" in data:
self.birthday = data["birthday"]
if "newsletter" in data:
self.newsletter = data["newsletter"]
# For admins only
if "xp" in data:
self.xp = data["xp"]
if "innovation" in data:
self.innovation = data["innovation"]
def get_public_data(self):
"""Returns the public information of the member."""
return {
"xp": self.xp,
"innovation": self.innovation,
"register_date": self.register_date,
"signature": self.signature,
"birthday": self.birthday,
def add_xp(self, amount):
Reward xp to a member. If [amount] is negative, the xp total of the
member will decrease, down to zero.
self.xp_points = max(self.xp_points + amount, 0)
def add_innovation(self, amount):
Reward innovation points to a member. If [amount] is negative, the
innovation points total will decrease, down to zero.
self.innovation = max(self.innovation + amount, 0)
def set_password(self, password):
Set the user's password. Check whether the request sender has the right
to do this!
self.password_hash =,
method='pbkdf2:sha512', salt_length=10)
def check_password(self, password):
"""Compares password against member hash."""
def __repr__(self):
return f'<Member: {}>'
def load_user(id):
return User.query.get(int(id))