NIPTviewer has been developed using django and most changes to the server can be made by modifying niptviewer/settings.py, for more information please visist django homepage.

Some of NIPTviewer settings that can and should be modified before running NIPTviewer in any kind of production environment. This can be accomplished by simply setting environment variables.

ENV config

SECRET_KEY

SECRET_KEY key is used to provide cryptographic signing. This key is mostly used to sign session cookies.

Time selection

Default time span can be set for the different parts of NIPTviewer

Web page

DEFAULT_TIME_SELECTION number of month from today that should be shown, default 9999 (show all data)

Sample Report

DEFAULT_TIME_SELECTION_SAMPLE_REPORT number of month from today that should be shown in pdf report, default 24

QC Report

DEFAULT_TIME_SELECTION_QC_REPORT number of month from today that should be shown in pdf report, default 12

Database

The default setting file currenlty support 3 types of databases, sqlite3, postgres and mssql

Settable variables are:

• DATABASE
• ENGINE
• NAME
• USER
• PASSWORD
• HOST
• PORT

the database section from the setting file

if os.environ.get('DATABASE', "sqlite3") == "sqlite3":
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': BASE_DIR / 'db.sqlite3',
        }
    }
elif os.environ.get('DATABASE', "sqlite3") == "postgres":
    DATABASES = {
        "default": {
            "ENGINE": os.environ.get("SQL_ENGINE", "django.db.backends.sqlite3"),
            "NAME": os.environ.get("SQL_DATABASE", os.path.join(BASE_DIR, "db.sqlite3")),
            "USER": os.environ.get("SQL_USER", "user"),
            "PASSWORD": os.environ.get("SQL_PASSWORD", "password"),
            "HOST": os.environ.get("SQL_HOST", "localhost"),
            "PORT": os.environ.get("SQL_PORT", "5432"),
        }
    }
elif os.environ.get('DATABASE', "sqlite3") == "mssql":
    DATABASES = {
        "default": {
            "ENGINE": 'mssql',
            "NAME": get_secrets('SQL_DATABASE', os.path.join(BASE_DIR, 'db.sqlite3')),
            "USER": get_secrets('SQL_USER', 'user'),
            "PASSWORD": get_secrets('SQL_PASSWORD', 'password'),
            "HOST": os.environ.get('SQL_HOST', 'localhost'),
            "PORT": os.environ.get('SQL_PORT', ''),
            "OPTIONS": {
                'driver': 'ODBC Driver 17 for SQL Server',
                'host_is_server': True,
                'connection_timeout': 30,
                'collation': 'SQL_Latin1_General_CP1_CI_AS',
                'extra_params': 'TrustServerCertificate=yes;Encrypt=yes',
            }
        }
    }

Support for more database can easily be added by modifying this section of settings.py