Create the User and Role models

.gitignore

@@ -1 +1,2 @@
 __pycache__/
+app/local.db

app/__init__.py

@@ -21,10 +21,13 @@ from flask import Flask, render_template
 
 class CalendarSocialApp(Flask):
     def __init__(self, name, config=None):
+        from app.models import db
+
         Flask.__init__(self, name)
 
         config_name = os.environ.get('ENV', config or 'dev')
         self.config.from_pyfile(f'config_{config_name}.py', True)
+        db.init_app(self)
 
 
 app = CalendarSocialApp(__name__)

app/config_dev.py

@@ -1,2 +1,4 @@
 DEBUG = True
 ENV = 'dev'
+SQLALCHEMY_DATABASE_URI = 'sqlite:///local.db'
+SQLALCHEMY_TRACK_MODIFICATIONS = False

app/models.py

@@ -0,0 +1,53 @@
+from datetime import datetime
+
+from flask_security import UserMixin, RoleMixin
+from flask_security.utils import hash_password
+from flask_sqlalchemy import SQLAlchemy
+
+db = SQLAlchemy()
+users_roles = db.Table(
+    'users_roles',
+    db.Column('user_id', db.Integer(), db.ForeignKey('users.id')),
+    db.Column('role_id', db.Integer(), db.ForeignKey('roles.id')))
+
+
+class User(db.Model, UserMixin):
+    __tablename__ = 'users'
+    id = db.Column(db.Integer(), primary_key=True)
+
+    #: The username of the user.  This is also the display name and thus is immutable
+    username = db.Column(db.String(length=50), unique=True, nullable=False)
+
+    #: The email address of the user
+    email = db.Column(db.String(length=255), unique=True, nullable=True)
+
+    #: The (hashed) password of the user
+    password = db.Column(db.String(length=255))
+
+    #: A flag to show whether the user is enabled (active) or not
+    active = db.Column(db.Boolean(), default=False)
+
+    #: The timestamp when this user was created
+    created_at = db.Column(db.DateTime(), default=datetime.utcnow)
+
+    #: The timestamp when the user was activated
+    confirmed_at = db.Column(db.DateTime())
+
+    #: The roles of the user
+    roles = db.relationship('Role',
+                            secondary=users_roles,
+                            backref=db.backref('users', lazy='dynamic'))
+
+    def __str__(self):
+        return f'<User {self.id}({self.username})>'
+
+
+class Role(db.Model, RoleMixin):
+    __tablename__ = 'roles'
+    id = db.Column(db.Integer(), primary_key=True)
+
+    #: The name of the role
+    name = db.Column(db.Unicode(length=80), unique=True)
+
+    #: A description of the role
+    description = db.Column(db.UnicodeText)