[Refactor] Rename the app module to calsocial

Just for clarity

calsocial/models.py

@@ -0,0 +1,87 @@
+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 __repr__(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)
+
+    def __repr__(self):
+        return f'<Role {self.id}({self.name})>'
+
+
+class Event(db.Model):
+    __tablename__ = 'events'
+    id = db.Column(db.Integer(), primary_key=True)
+
+    #: The ID of the user who created the event
+    user_id = db.Column(db.Integer(), db.ForeignKey('users.id'), nullable=False)
+
+    user = db.relationship('User', backref=db.backref('events', lazy='dynamic'))
+
+    #: The title of the event
+    title = db.Column(db.Unicode(length=200), nullable=False)
+
+    #: The time zone to be used for `start_time` and `end_time`
+    time_zone = db.Column(db.String(length=80), nullable=False)
+
+    #: The starting timestamp of the event
+    start_time = db.Column(db.DateTime(), nullable=False)
+
+    #: The ending timestamp of the event
+    end_time = db.Column(db.DateTime(), nullable=False)
+
+    #: If `True`, the event is a whole-day event
+    all_day = db.Column(db.Boolean(), default=False)
+
+    #: The description of the event
+    description = db.Column(db.UnicodeText())
+
+    def __repr__(self):
+        return f'<Event {self.id} ({self.title}) of {self.user}>'