altered book delete status to success, completed TODO-05 (books must be sold to be deleted - with tooltip to explain), and added new BUG-17 - changing some fields of parent book need to be reflected into sub book

BUGs

@@ -1,4 +1,5 @@
 #### BUGS (next-17)
+BUG-17:		if change publisher, owned, covertype, condition, or blurb of parent book, then need to reflect that change to ALL sub books
 
 ### DB/back-end
 BUG-2:		series does not deal with calcd_rating... 

README

@@ -30,7 +30,6 @@ sudo docker-compose -f /srv/docker/config/docker-compose.yml up bookdb_web
 
 
 ########################################################### TODOS (next 29):
-TODO-05:	should deleting really just ask if want to mark it as SOLD?  IN FACT, make delete button disabled until its sold... (and a tooltip to explain)
 TODO-09:	show books to buy view / printable
 
 Validation:

main.py

@@ -490,9 +490,8 @@ 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.SetAlert("warning")
-                st.SetMessage("WARNING: Deleting being tested at present.<br>")
-                st.AppendMessage("Deleted {}".format(book.title) )
+                st.SetAlert("success")
+                st.SetMessage("Deleted {}".format(book.title) )
                 pid = 0
                 if len(book.parent) > 0:
                     pid = book.parent[0].id

templates/book.html

@@ -366,7 +366,14 @@ function AddAuthorToBook(num) {
 			<div class="form-row col mx-0">
 				{{ book_form.submit( class="btn btn-primary offset-lg-2 col-lg-2" )}}
 				{% if 'Edit' in page_title %}
-					{{ book_form.delete( class="btn btn-outline-danger col-lg-2" )}}
+					{% if GetOwnedById(b.owned) == 'Sold' %}
+						{{ book_form.delete( class="btn btn-outline-danger col-lg-2" )}}
+					{% else %}
+						<span class="col-lg-2" tabindex="0" data-toggle="tooltip" 
+							title="Cannot Delete unless the book is saved as Sold">
+						{{ book_form.delete( class="btn btn-outline-danger col disabled", disabled="true", style="pointer-events: none;" )}}
+						</span>
+					{% endif %}
 				{% endif %}
 			</div class="form-row">
 		</div class="form-row">
@@ -411,6 +418,7 @@ function AddAuthorToBook(num) {
 	{% block script_content %}
 		<script>
 			$(document).ready( function() {
+				$('[data-toggle="tooltip"]').tooltip()
 				$("#sub_book_content").load("/subbooks_for_book/{{books.id}}")
 				{% if CheckSeriesChange is defined and CheckSeriesChange != None %}
 					{% if CheckSeriesChange.type == 'parent' %}