##Rental Room management system

• Flask Python3 (http://flask.pocoo.org/docs/0.11)
• Flask-restful (http://flask-restful-cn.readthedocs.io/en/0.3.4/)
• DBMS : PostgreSQL
• DB famework : SQLAlchemy
• front-end framework : Jinja2
• UI framework : Bootstrap SB Admin2
• Form (DTO) framework : wtforms

• Encrypted password Encrypt password with sha256_crypt using passlib.hash and compare with enc passsword in users table.

• Authentication using login session Saving unique user code in session as session['code']. Every users have Administrator, Tanent or Guest types in Roles table. Checking authentication decorators on function -> check if user codes in session have admin, tanent or guest authentication in users table.

	@guest_auth
	@tenant_auth
	@admin_auth

If a user doesn't have a permission, it changes pages to login page.

• Hit Increasing counter when anyone click defail of content and checks sessions to duplicated users not to include the count.

• Naver editor The editor only supports HTML5 (drag & drop). Image upload process

1. Send img to server
2. Save img in Template/files as rendom id
3. Response url (download img url with id)

• Convert images Converting image files to small size (Thumbnail) using pillow lib.

• Chart Bill pages shows bills by user and monthly using Morris.js jQuery based charting plugin.