moved display message to base.html, should have done this from the beginning (doh), and then fixed deletion errors/redirections to be moe sensible

main.py

@@ -416,10 +416,18 @@ def book(id):
                 st.SetMessage( "This is a parent book, cannot delete it without deleting sub books first" )
                 return redirect( '/book/{}'.format(book.id) )
             else:
+                st.SetMessage("WARNING: Deleting being tested at present.<br>")
+                st.AppendMessage("Deleted {}".format(book.title) )
+                pid = 0
+                if len(book.parent) > 0:
+                    pid = book.parent[0].id
                 db.session.delete(book)
                 db.session.commit()
                 st.SetAlert("warning")
-                st.SetMessage("WARNING: Deleting being tested at present")
+                if pid > 0:
+                    return redirect( '/book/{}'.format(pid) )
+                else:
+                    return redirect( '/' )
         elif book_form.validate():
             book = Book.query.get(id)
             book.title = request.form['title']
@@ -458,7 +466,7 @@ def book(id):
             ## TODO:
             # what about series?, subbooks?, loan?, etc.
             db.session.commit()
-            st.SetMesage( "Successfully Updated Book (id={})".format(id) )
+            st.SetMessage( "Successfully Updated Book (id={})".format(id) )
         else:
             st.SetAlert("danger")
             message="Failed to update Book (id={})".format(id)
@@ -506,7 +514,7 @@ def stats():
 
 @app.route("/", methods=["GET"])
 def main_page():
-    return render_template("base.html")
+    return render_template("base.html", alert=st.GetAlert(), message=st.GetMessage())
 
 if __name__ == "__main__":
     app.run(host="0.0.0.0", debug=True)