now create an owned on /owned, rather than /owned/-1 kludge. Also using sequence for creation. All good - made sequences for all relevant tables too. Last question is how to do redirect to /owneds and still show messsage

owned.py

@@ -2,13 +2,14 @@ from wtforms import SubmitField, StringField, HiddenField, SelectField, validato
 from flask import request, render_template
 from flask_wtf import FlaskForm
 from __main__ import db, app, ma
-from sqlalchemy import func
+from sqlalchemy import func, Sequence
+
 
 ################################################################################
 # Class describing Owned in the database, and via sqlalchemy, connected to the DB as well
 ################################################################################
 class Owned(db.Model):
-    id = db.Column(db.Integer, primary_key=True )
+    id = db.Column(db.Integer, db.Sequence('owned_id_seq'), primary_key=True )
     name = db.Column(db.String(50), unique=True, nullable=False)
 
     def __repr__(self):
@@ -20,7 +21,6 @@ class Owned(db.Model):
 class OwnedSchema(ma.SQLAlchemyAutoSchema):
     class Meta: model = Owned
 
-
 ################################################################################
 # Helper class that defines a form for owned, used to make html <form>, with field validation (via wtforms)
 ################################################################################
@@ -40,6 +40,25 @@ def owneds():
     owneds = Owned.query.order_by('id').all()
     return render_template("show_id_name.html", objects=owneds, page_title='Show All Ownership types', url_base='owned')
 
+################################################################################
+# /owned -> GET/POST -> creates a new owned type and when created, takes you back to /owneds
+################################################################################
+@app.route("/owned", methods=["GET", "POST"])
+def new_owned():
+    alert="success"
+    owned_form = OwnedForm(request.form)
+    if 'name' not in request.form:
+        owned=None
+        message=""
+        return render_template("edit_id_name.html", owned=owned, alert=alert, message=message, form=owned_form, page_title='Create new Owned Type' )
+    else:
+        owned = Owned( name=request.form["name"] )
+        db.session.add(owned)
+        db.session.commit()
+        message="Created new Owned Type (id={})".format(owned.id)
+        owneds = Owned.query.order_by('id').all()
+        return render_template("show_id_name.html", objects=owneds, page_title='Show All Ownership types', url_base='owned', alert=alert, message=message)
+
 ################################################################################
 # /owned/<id> -> GET/POST(save or delete) -> shows/edits/delets a single
 # owned
@@ -47,24 +66,8 @@ def owneds():
 @app.route("/owned/<id>", methods=["GET", "POST"])
 def owned(id):
     alert="success"
-    owned_form = OwnedForm(request.form)
-    if id == "-1":
-        if 'name' not in request.form:
-            owned=None
-            message=""
-            return render_template("edit_id_name.html", owned=owned, alert=alert, message=message, form=owned_form, page_title='Create new Owned Type' )
-        else:
-            res=db.session.query(func.max(Owned.id)).all()
-            new_id=res[0][0]
-            new_id=new_id+1
-            owned = Owned( id=new_id, name=request.form["name"] )
-            db.session.add(owned)
-            db.session.commit()
-            message="Created new Owned Type (id={})".format(new_id)
-            owneds = Owned.query.order_by('id').all()
-            return render_template("show_id_name.html", objects=owneds, page_title='Show All Ownership types', url_base='owned', alert=alert, message=message)
-
     ### DDP: should this be request.form or request.values?
+    owned_form = OwnedForm(request.form)
     if request.method == 'POST' and owned_form.validate():
         owned = Owned.query.get(id)
         if 'delete' in request.form: