moved publisher over to just be another 1-to-many table so using edit_id_name.html, show_id_name.html. This also means it now has a create / update / delete with status updates

publisher.py

@@ -1,14 +1,16 @@
-from wtforms import SubmitField, StringField, HiddenField, validators
-from flask import request, render_template
+from wtforms import SubmitField, StringField, HiddenField, SelectField, validators
+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 Publisher in the database, and via sqlalchemy, connected to the DB as well
 ################################################################################
 class Publisher(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('publisher_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)
@@ -35,13 +37,24 @@ class PublisherForm(FlaskForm):
 ################################################################################
 @app.route("/publishers", methods=["GET"])
 def publishers():
-    publishers = Publisher.query.all()
-    return render_template("show_id_name.html", objects=publishers, page_title='Show All Publishers', url_base='publisher')
+    objects = Publisher.query.order_by('id').all()
+    return render_template("show_id_name.html", objects=objects, page_title='Show All Publishers', url_base='publisher', alert=st.GetAlert(), message=st.GetMessage() )
 
-def GetPublishers():
-    publishers = Publisher.query.order_by('name').all()
-    return publishers
-    
+################################################################################
+# /publisher -> GET/POST -> creates a new publisher type and when created, takes you back to /publishers
+################################################################################
+@app.route("/publisher", methods=["GET", "POST"])
+def new_publisher():
+    form = PublisherForm(request.form)
+    if 'name' not in request.form:
+        return render_template("edit_id_name.html", form=form, page_title='Create new Publisher' )
+    else:
+        publisher = Publisher( name=request.form["name"] )
+        db.session.add(publisher)
+        db.session.commit()
+        st.SetMessage( "Created new Publisher (id={})".format(publisher.id) )
+        publishers = Publisher.query.order_by('id').all()
+        return redirect( '/publishers' )
 
 ################################################################################
 # /publisher/<id> -> GET/POST(save or delete) -> shows/edits/delets a single publisher
@@ -49,25 +62,31 @@ def GetPublishers():
 @app.route("/publisher/<id>", methods=["GET", "POST"])
 def publisher(id):
     ### DDP: should this be request.form or request.values?
-    alert="Success"
-    publisher_form = PublisherForm(request.form)
-    if request.method == 'POST' and publisher_form.validate_on_submit():
-        id = request.form['id']
+    form = PublisherForm(request.form)
+    if request.method == 'POST' and form.validate():
         publisher = Publisher.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( publisher.id, publisher.name ) )
+            publisher = Publisher.query.filter(Publisher.id==id).delete()
+        if 'submit' in request.form:
+            st.SetMessage("Successfully Updated Publisher (id={})".format(id) )
             publisher.name = request.form['name']
-            db.session.commit()
-            message="Successfully Updated Publisher (id={})".format(id)
+        db.session.commit()
+        return redirect( '/publishers' )
     else:
         publisher = Publisher.query.get(id)
-        publisher_form = PublisherForm(request.values, obj=publisher)
-        message=""
-    return render_template("edit_id_name.html", publisher=publisher, alert=alert, message=message, form=publisher_form, page_title='Edit Publisher')
+        form = PublisherForm(request.values, obj=publisher)
+    return render_template("edit_id_name.html", form=form, page_title='Edit Publisher' )
 
+################################################################################
+# Gets the Publisher matching id from DB, helper func in jinja2 code to show books
+################################################################################
 def GetPublisherById(id):
     return Publisher.query.get(id).name
+
+################################################################################
+# Gets the list of Publishers, populates publisher_list var in jinja2 code in book.html
+################################################################################
+def GetPublishers():
+    publishers = Publisher.query.order_by('name').all()
+    return publishers