Refactored adding "Person" and getting all persons.

app.py

@@ -92,23 +92,6 @@ def serve_static_files(path):
     return send_from_directory('static', path)
 
 
-# @app.route('/test-db')
-# def test_db():
-#     try:
-#         rows = ""
-
-#         for user in db.session.query(User).all():
-#             rows += str(user) + " "
-
-#         for e in db.session.query(Entity).all():
-#             rows += str(e) + " "
-
-#         print("All rows:", rows)
-#         return rows
-#     except:
-#         return "App database error"
-
-
 # Force secure connection
 @app.before_request
 def before_request():

blueprints/home.py

 from flask import Blueprint, render_template, request, redirect
-from config import url_for2, FIRST_DB_BIND_NAME
-from database.db import lookup_db_for_binding
+from config import url_for2
 from models import Person
 
-db = lookup_db_for_binding(FIRST_DB_BIND_NAME)
-
 home_blueprint = Blueprint('home', __name__, url_prefix='/')
 
 
@@ -25,19 +22,18 @@ def persons():
     if request.method == "GET":
         try:
             rows = ""
-            for e in db.session.query(Person).all():
+            for e in Person.get_all():
                 rows += str(e) + "<br>"
 
             return rows
-        except:
-            return "App database error"
+        except Exception as e:
+            return f"App database error: {e}"
     else:
         firstname = request.form.get('firstname')
         age = request.form.get('age')
 
         try:
-            db.session.add(Person(firstname=firstname, age=int(age)))
-            db.session.commit()
+            Person.add(firstname, int(age))
             return redirect(url_for2('.persons'))
         except Exception as e:
             return f"Could not add entity: {e}"

models/first_db_models/person.py

@@ -15,5 +15,15 @@ class Person(db.Model):
     age = db.Column(db.Integer, unique=False, nullable=False)
     # surname = db.Column(db.String(40))
 
+    @classmethod
+    def add(cls, firstname, age):
+        db.session.add(Person(firstname=firstname, age=int(age)))
+        db.session.commit()
+
+    @classmethod
+    def get_all(cls):
+        return cls.query.all()
+
     def __repr__(self):
-        return f'Person({self.id}, {self.firstname}, {self.surname}, {self.age})'
+        # The string representation of this object
+        return f'Person({self.id}, {self.firstname}, {self.age})'