create/update/delete of condition, covertype, genre, owned, rating objects all works, and can be accessed from Admin menu

covertype.py

@@ -1,14 +1,16 @@
 from wtforms import SubmitField, StringField, HiddenField, SelectField, validators
-from flask import request, render_template
+from flask import request, render_template, redirect
 from flask_wtf import FlaskForm
 from __main__ import db, app, ma
+from sqlalchemy import func, Sequence
+from status import st, Status
 
 ################################################################################
 # Class describing Covertype in the database, and via sqlalchemy, connected to the DB as well
 ################################################################################
 class Covertype(db.Model):
-    id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
-    name = db.Column(db.String(50), unique=False, nullable=False)
+    id = db.Column(db.Integer, db.Sequence('covertype_id_seq'), primary_key=True )
+    name = db.Column(db.String(50), unique=True, nullable=False)
 
     def __repr__(self):
         return "<id: {}, name: {}>".format(self.id,self.name)
@@ -19,7 +21,6 @@ class Covertype(db.Model):
 class CovertypeSchema(ma.SQLAlchemyAutoSchema):
     class Meta: model = Covertype
 
-
 ################################################################################
 # Helper class that defines a form for covertype, used to make html <form>, with field validation (via wtforms)
 ################################################################################
@@ -36,35 +37,49 @@ class CovertypeForm(FlaskForm):
 ################################################################################
 @app.route("/covertypes", methods=["GET"])
 def covertypes():
-    covertypes = Covertype.query.order_by('id').all()
-    return render_template( "show_id_name.html", objects=covertypes, page_title='Show All Covertypes', url_base='covertype')
+    objects = Covertype.query.order_by('id').all()
+    return render_template("show_id_name.html", objects=objects, page_title='Show All Covertypes', url_base='covertype', alert=st.GetAlert(), message=st.GetMessage() )
 
 ################################################################################
-# /covertype/<id> -> GET/POST(save or delete) -> shows/edits/delets a single
-# covertype
+# /covertype -> GET/POST -> creates a new covertype type and when created, takes you back to /covertypes
+################################################################################
+@app.route("/covertype", methods=["GET", "POST"])
+def new_covertype():
+    form = CovertypeForm(request.form)
+    if 'name' not in request.form:
+        return render_template("edit_id_name.html", form=form, page_title='Create new Covertype' )
+    else:
+        covertype = Covertype( name=request.form["name"] )
+        db.session.add(covertype)
+        db.session.commit()
+        st.SetMessage( "Created new Covertype (id={})".format(covertype.id) )
+        covertypes = Covertype.query.order_by('id').all()
+        return redirect( '/covertypes' )
+
+################################################################################
+# /covertype/<id> -> GET/POST(save or delete) -> shows/edits/delets a single covertype
 ################################################################################
 @app.route("/covertype/<id>", methods=["GET", "POST"])
 def covertype(id):
     ### DDP: should this be request.form or request.values?
-    alert="Success"
-    covertype_form = CovertypeForm(request.form)
-    if request.method == 'POST' and covertype_form.validate():
-        id = request.form['id']
+    form = CovertypeForm(request.form)
+    if request.method == 'POST' and form.validate():
         covertype = Covertype.query.get(id)
-        try:
-            request.form['submit']
-        except:
-            message="Sorry, Deleting unsupported at present"
-            alert="Danger"
-        else:
+        if 'delete' in request.form:
+            st.SetMessage("Successfully deleted (id={}, name={})".format( covertype.id, covertype.name ) )
+            covertype = Covertype.query.filter(Covertype.id==id).delete()
+        if 'submit' in request.form:
+            st.SetMessage("Successfully Updated Covertype (id={})".format(id) )
             covertype.name = request.form['name']
-            db.session.commit()
-            message="Successfully Updated Covertype (id={})".format(id)
+        db.session.commit()
+        return redirect( '/covertypes' )
     else:
         covertype = Covertype.query.get(id)
-        covertype_form = CovertypeForm(request.values, obj=covertype)
-        message=""
-    return render_template("edit_id_name.html", covertype=covertype, alert=alert, message=message, form=covertype_form, page_title='Edit Covertype')
+        form = CovertypeForm(request.values, obj=covertype)
+    return render_template("edit_id_name.html", form=form, page_title='Edit Covertype' )
 
+################################################################################
+# Gets the Covertype matching id from DB, helper func in jinja2 code to show books
+################################################################################
 def GetCovertypeById(id):
     return Covertype.query.get(id).name