can now create/update/delete authors (base.html, using edit*.html, and authors.html)

author.py

@@ -1,13 +1,14 @@
 from wtforms import SubmitField, StringField, HiddenField, validators, Form
 from flask_wtf import FlaskForm
-from flask import request, render_template
+from flask import request, render_template, redirect
 from __main__ import db, app, ma
+from status import st, Status
 
 ################################################################################
 # Class describing Author in the database, and via sqlalchemy, connected to the DB as well
 ################################################################################
 class Author(db.Model):
-    id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
+    id = db.Column(db.Integer, db.Sequence('author_id_seq'), primary_key=True )
     surname = db.Column(db.String(30), unique=False, nullable=False)
     firstnames = db.Column(db.String(50), unique=False, nullable=False)
 
@@ -40,7 +41,24 @@ class AuthorForm(FlaskForm):
 @app.route("/authors", methods=["GET"])
 def authors():
     authors = Author.query.all()
-    return render_template("authors.html", authors=authors)
+    return render_template("authors.html", authors=authors, alert=st.GetAlert(), message=st.GetMessage() )
+ 
+
+################################################################################
+# /author -> GET/POST -> creates a new author type and when created, takes you back to /authors
+################################################################################
+@app.route("/author", methods=["GET", "POST"])
+def new_author():
+    form = AuthorForm(request.form)
+    if 'surname' not in request.form:
+        return render_template("edit_id_name.html", form=form, page_title='Create new Author' )
+    else:
+        author = Author( surname=request.form["surname"], firstnames=request.form["firstnames"] )
+        db.session.add(author)
+        db.session.commit()
+        st.SetMessage( "Created new Author ({})".format(author) )
+        return redirect( '/authors' )
+
 
 ################################################################################
 # /author/<id> -> GET/POST(save or delete) -> shows/edits/delets a single author
@@ -48,26 +66,26 @@ def authors():
 @app.route("/author/<id>", methods=["GET", "POST"])
 def author(id):
     ### DDP: should this be request.form or request.values?
-    alert="Success"
-    author_form = AuthorForm(request.form)
-    if request.method == 'POST' and author_form.validate_on_submit():
-        id = request.form['id']
+    form = AuthorForm(request.form)
+    if request.method == 'POST' and form.validate():
         author = Author.query.get(id)
-        try:
-            request.form['submit']
-        except:
-            message="Sorry, Deleting unsupported at present"
-            alert="Danger"
-        else:
-            author.firstnames = request.form['firstnames']
+        if 'delete' in request.form:
+            st.SetMessage("Successfully deleted Author: ({})".format( author ) )
+            author = Author.query.filter(Author.id==id).delete()
+        if 'submit' in request.form:
+            st.SetMessage("Successfully Updated Author: (From: {}".format(author) )
             author.surname = request.form['surname']
-            db.session.commit()
-            message="Successfully Updated Author (id={})".format(id)
+            author.firstnames = request.form['firstnames']
+            st.AppendMessage(" To: {}".format(author) )
+        db.session.commit()
+        return redirect( '/authors' )
     else:
         author = Author.query.get(id)
-        author_form = AuthorForm(request.values, obj=author)
-        message=""
-    return render_template("author.html", author=author, alert=alert, message=message, author_form=author_form)
+        form = AuthorForm(request.values, obj=author)
+    return render_template("edit_id_name.html", object=author, form=form)
 
+################################################################################
+# helper fund to GetAuthors -> author_list -> jinja2 for author drop-down in book.html
+################################################################################
 def GetAuthors():
     return Author.query.order_by('surname','firstnames').all()