updates database design for mariadb

database/migrations/README

@@ -0,0 +1 @@
+Generic single-database configuration.

database/migrations/alembic.ini

@@ -0,0 +1,45 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

database/migrations/env.py

@@ -0,0 +1,96 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+from flask import current_app
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.engine.url).replace('%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

database/migrations/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

database/migrations/versions/1e8205594ac1_.py

@@ -0,0 +1,34 @@
+"""empty message
+
+Revision ID: 1e8205594ac1
+Revises: aeab4aff199b
+Create Date: 2020-05-27 16:57:54.384047
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1e8205594ac1'
+down_revision = 'aeab4aff199b'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('user', sa.Column('userid', sa.String(length=64), nullable=True))
+    op.create_index(op.f('ix_user_userid'), 'user', ['userid'], unique=True)
+    op.drop_index('ix_user_username', table_name='user')
+    op.create_index(op.f('ix_user_username'), 'user', ['username'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_user_username'), table_name='user')
+    op.create_index('ix_user_username', 'user', ['username'], unique=True)
+    op.drop_index(op.f('ix_user_userid'), table_name='user')
+    op.drop_column('user', 'userid')
+    # ### end Alembic commands ###

database/migrations/versions/3b829a27bc337.py

@@ -0,0 +1,23 @@
+"""empty message
+
+Revision ID: 3b829a27bc337
+Revises: 1e8205594ac1
+Create Date: 2020-05-27 19:30:54.384047
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '3b829a27bc337'
+down_revision = '1e8205594ac1'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column('User', 'google_credentials', existing_type=sa.Relationship(), new_column_name='google_token')
+
+def downgrade():
+    op.alter_column('User', 'google_token', existing_type=sa.Relationship(), new_column_name='google_credentials')

database/migrations/versions/aeab4aff199b_.py

@@ -0,0 +1,72 @@
+"""empty message
+
+Revision ID: aeab4aff199b
+Revises: 
+Create Date: 2020-05-27 15:23:20.611265
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'aeab4aff199b'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('user',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('username', sa.String(length=64), nullable=True),
+    sa.Column('email', sa.String(length=120), nullable=True),
+    sa.Column('profile_pic', sa.String(length=256), nullable=True),
+    sa.Column('password_hash', sa.String(length=128), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
+    op.create_index(op.f('ix_user_username'), 'user', ['username'], unique=True)
+    op.create_table('calendar',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('calendar_id', sa.String(length=256), nullable=False),
+    sa.Column('name', sa.String(length=256), nullable=True),
+    sa.Column('toggle', sa.String(length=8), nullable=True),
+    sa.Column('color', sa.String(length=16), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id', 'calendar_id')
+    )
+    op.create_index(op.f('ix_calendar_name'), 'calendar', ['name'], unique=False)
+    op.create_index(op.f('ix_calendar_user_id'), 'calendar', ['user_id'], unique=False)
+    op.create_table('device',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=True),
+    sa.Column('deviceName', sa.String(length=64), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('deviceName')
+    )
+    op.create_table('google_token',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=True),
+    sa.Column('token', sa.String(length=256), nullable=True),
+    sa.Column('refresh_token', sa.String(length=256), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('google_token')
+    op.drop_table('device')
+    op.drop_index(op.f('ix_calendar_user_id'), table_name='calendar')
+    op.drop_index(op.f('ix_calendar_name'), table_name='calendar')
+    op.drop_table('calendar')
+    op.drop_index(op.f('ix_user_username'), table_name='user')
+    op.drop_index(op.f('ix_user_email'), table_name='user')
+    op.drop_table('user')
+    # ### end Alembic commands ###

database/models.py

@@ -8,13 +8,15 @@ def load_user(id):
     return User.query.get(id)
 
 class User(UserMixin, db.Model):
-    id = db.Column(db.String(64), primary_key=True)
-    username = db.Column(db.String(64), index=True, unique=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    userid = db.Column(db.String(64), index=True, unique=True)
+    username = db.Column(db.String(64), index=True)
     email = db.Column(db.String(120), index=True, unique=True)
     profile_pic = db.Column(db.String(256))
     password_hash = db.Column(db.String(128))
-    calendarJson = db.Column(db.String)
-    google_credentials = db.Column(db.String)
+    google_token = db.relationship('GoogleToken', uselist=False, backref = 'user')
+    calendars = db.relationship('Calendar', backref='user', lazy=True)
+    devices = db.relationship('Device', backref='user')
 
     def __repr__(self):
         return '<User {}>'.format(self.username)  
@@ -25,53 +27,11 @@ class User(UserMixin, db.Model):
     def checkPassword(self, password):
         return check_password_hash(self.password_hash, password)  
 
-    def setJson(self, jsonObject):
-        self.calendarJson = json.dumps(jsonObject)
-        db.session.commit()
-
-    def getJson(self):
-        return json.loads(self.calendarJson)
-
-    def setGoogleCredentials(self, credentials):
-        self.google_credentials = json.dumps(credentials)
-        db.session.commit()
+    def updateCalendar(self, calendar_id, toggle=None, color=None):
         
-    def getGoogleCredentials(self):
-
-        if self.google_credentials is None:
-            print("no credentials", flush=True)
-            return None
-        return json.loads(self.google_credentials)
-        
-class Calendar(db.Model):
-    usr_id = db.Column(db.String(21), index=True)
-    calendar_id = db.Column(db.String(256), primary_key=True)
-    name = db.Column(db.String(256), index=True)
-    toggle = db.Column(db.String(8))
-    color = db.Column(db.String(16))
-
-    def getCalendars(self, user_id):
-        calendars = self.query.filter(Calendar.usr_id==user_id)
-        
-        return calendars
-
-    def getCalendar(self, user_id, calendar_id):
-        calendars = self.query.filter(self.usr_id==user_id, self.calendar_id==calendar_id)
-        
-        calendar = None
-        for c in calendars:
-            calendar = c
-
-        if not calendar:
-            return None
-        
-        return calendar
-    
-    @staticmethod
-    def updateCalendar(user_id, calendar_id, toggle=None, color=None):
-
-        calendar = Calendar.query.filter(Calendar.usr_id==user_id, Calendar.calendar_id==calendar_id).first()
-
+        for calendar in self.calendars:
+            if calendar.calendar_id == calendar_id:
+                break
 
         print("updating", flush=True)
         if(toggle != None):
@@ -83,12 +43,28 @@ class Calendar(db.Model):
             calendar.color = color
             db.session.commit()
 
-    def create(self, user_id, calendar_id, name, color, toggle = 'True'):
-        newcal = Calendar(usr_id=user_id, calendar_id=calendar_id, name=name, toggle=toggle, color=color)
-        
-        db.session.add(newcal)
-        db.session.commit()
-        
+    def hasCalendar(self, calendar_id):
+        for calendar in self.calendars:
+            if calendar.calendar_id == calendar_id:
+                return True
+
+        return False
+
+class GoogleToken(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
+    token = db.Column(db.String(256))
+    refresh_token = db.Column(db.String(256))
+
 class Device(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
-    deviceId = db.Column(db.String(128), index=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
+    deviceName = db.Column(db.String(64), unique=True)
+
+class Calendar(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), index=True,  nullable=False)
+    calendar_id = db.Column(db.String(256), primary_key=True)
+    name = db.Column(db.String(256), index=True)
+    toggle = db.Column(db.String(8))
+    color = db.Column(db.String(16))