make book form do a POST, have save/del buttons, and rewrote to remove parent_ref and just use parent from ORM

templates/book.html

@@ -1,9 +1,18 @@
 {% extends "base.html" %}
 {% block main_content %}
 
-	<h3><center>View/Edit Book</center></h1>
-		{% set keys = [ 'title', 'author', 'publisher', 'genre', 'owned', 'covertype', 'condition', 'year_published', 'rating', 'notes', 'blurb' ] %}
-		<div class="container-fluid"><div class="row"><form class="form col-lg-10">
+<h3><center>View/Edit Book</center></h3>
+{% set keys = [ 'title', 'author', 'publisher', 'genre', 'owned', 'covertype', 'condition', 'year_published', 'rating', 'notes', 'blurb' ] %}
+<div class="container-fluid">
+	{% if message|length %}
+		<div class="row alert alert-{{alert}}">
+		{{message}}
+		</div>
+	{% endif %}
+	<div class="row">
+		<form role="form" class="form col-lg-10" action="" method="POST">
+			{{ book_form.id }}
+        	{{ book_form.csrf_token }}
 			{% for key in keys %}
 				<div class="form-row">
 					<label for="{{key}}" class="col-lg-2 col-form-label">{{key}}:</label>
@@ -111,7 +120,7 @@
 				</div>
 			</div>
 		{% endif %}
-		{% if books.parent_ref|length %}
+		{% if b.parent|length %}
 			<div class="form-row">
 				<label class="col-lg-2 col-form-label">Parent Book:</label>
 				<div class="col">
@@ -119,6 +128,10 @@
 				</div>
 			</div>
 		{% endif %}
+		<div class="form-row col-lg-12">
+			{{ book_form.delete( class="btn btn-outline-danger offset-lg-2 col-lg-2" )}}
+			{{ book_form.submit( class="btn btn-primary col-lg-2" )}}
+		</div class="form-row">
 		</form>
 		{% if books.loan|length %}
 				<div class="col">
@@ -134,8 +147,9 @@
 				</div>
 			</div>
 		{% endif %}
-		</div class="row">
-		</div class="container">
+
+	</div class="row">
+</div class="container">
 
 {% endblock main_content %}
 {% if books.child_ref|length %}