Implemented db to backend code

backend.py

@@ -3,18 +3,40 @@ Imports all required blueprints and initalises the app.
 Runs in debug mode if ran directly.
 """
 
+import logging
+import atexit
+
 import dotenv
 import flask
 
+import db
+
 from blueprints.projects import projectsBP
 from blueprints.static import staticBP
 
+logging.basicConfig(level=logging.DEBUG)
+
 dotenv.load_dotenv()
 
 app = flask.Flask(__name__)
+db.init()
 app.register_blueprint(projectsBP)
 app.register_blueprint(staticBP)
 
+def onClose():
+    """
+    Safely close all blueprints and then the database.
+    """
+
+    for bp in app.blueprints.values():
+        # If there is an onClose function to call
+        if callable(getattr(bp, "onClose", None)):
+            bp.onClose()
+
+    db.GLOBAL.close()
+
+atexit.register(onClose)
+
 if __name__ == '__main__':
     print('Running in debug mode')
     app.run(debug=True)