reverse query results and some new links on show_book_detail

app/templates/results.html

@@ -31,7 +31,7 @@
     {% endif %}
   {% endwith %}
 
-  <table class="library_table" id="table" style="width:100%">
+  <table class="library_table" id="table" style="width:100%; padding-bottom:60px;">
     <tr id="header">
       <th width="70px;">Cover</th>
       <th>Title</th>
@@ -68,9 +68,10 @@
   </table>
 
 </div>
+<br>
 
 <div class="container" style= "border-top: dashed; border-width: 1px;" >
-  <h2> Other books </h2>
+  <h2> More books </h2>
 
   <table class="library_table" id="table" style="width:100%">
     <tr id="header">

app/templates/results_grid.html

@@ -30,7 +30,7 @@
       </div>
     {% endif %}
   {% endwith %}
-<div class="grid" >
+<div class="grid" style="padding-bottom:60px;">
 
         {% for book in books|sort(attribute='title', reverse = False) %}
 
@@ -52,9 +52,8 @@
   {% endfor %}
 </div>
 
-
 <div class="container" style= "border-top: dashed; border-width: 1px;">
-  <h2> Other books </h2>
+  <h2> More books </h2>
 
 <div class="grid">
 

app/templates/show_book_detail.html

@@ -35,7 +35,12 @@
 
   <button style= "font-size: 10pt;"> <a href="{{ url_for('edit_book_by_id', id=book.id )}}">edit</a></button>
   <button style= "font-size: 10pt;"> <a href="{{ url_for('remove_book_by_id', id=book.id)}}">delete</a></button>
-
+<br><br>
+<hr>
+{% if previousbook %} 
+<a href="{{ url_for('show_book_by_id', id=previousbook.id )}}" style="font-size: 9pt;"> < see the previous book added to XPPL: &nbsp;<i>{{ previousbook.title |truncate(40,True,'...') }} </i></a> {% endif %}
+{% if nextbook %} 
+<a href="{{ url_for('show_book_by_id', id=nextbook.id )}}" style="float:right; font-size: 9pt;"> see the next book added to XPPL: &nbsp;<i>{{ nextbook.title|truncate(40,True,'...')}} </i>> </a>{% endif %}
 </div>
 
 {% endblock %}

app/views.py

@@ -9,6 +9,7 @@ from app import app, db, socketio, DOMAIN
 from flask import Flask, Response, render_template, request, redirect, url_for, flash, send_from_directory, jsonify, abort
 import json
 from  sqlalchemy.sql.expression import func, select
+from sqlalchemy.sql import except_
 from app.forms import UploadForm, EditForm, SearchForm, ChatForm, StackForm, AddtoStackForm, EditStackForm
 from app.models import Book, BookSchema, Author, AuthorSchema, Stack, StackSchema, UserIns, Chat, ChatSchema, Potential
 from app.cover import get_cover
@@ -105,6 +106,15 @@ def show_books_grid():
 @app.route('/books/<int:id>')
 def show_book_by_id(id):
     book = Book.query.get(id)
+    previousbook = Book.query.filter_by(id=id - 1).first()
+    nextbook = Book.query.filter_by(id=id + 1).first()
+    allbooks = db.session.query(Book).all()
+    edge = len(allbooks)
+    if id == 1:
+        previousbook = None
+    if id == edge:
+        nextbook = None
+
     userin = UserIns.query.filter_by(title="lastViewed").first()
     if userin != None:
         userin.info = book.title
@@ -116,7 +126,7 @@ def show_book_by_id(id):
     if not book:
         return render_template('red_link.html', id=id)
     else:
-        return render_template('show_book_detail.html', book=book)
+        return render_template('show_book_detail.html', book=book, previousbook = previousbook, nextbook = nextbook)
 
 
 @app.route('/books/<int:id>/delete', methods=['POST', 'GET'])
@@ -399,8 +409,8 @@ def show_books():
 @app.route('/search/<searchtype>/<viewby>/<query>', methods=['POST', 'GET'])
 def search_results(searchtype, query, viewby):
     search = SearchForm(request.form, search=query)
-    random_order=Book.query.all()
     results=Book.query.filter(Book.title.contains(query)).order_by(Book.title)
+    allbooks = set(Book.query.all())
     viewby = view[-1]
 
     if searchtype == 'Title':
@@ -432,14 +442,16 @@ def search_results(searchtype, query, viewby):
     count = results.count()
     whole = Book.query.count()
     percentage = float(count / whole * 100)
+    fbooks = set(results)
+    books_all = allbooks - fbooks
 
     if search.listview.data:
         view.append('1')
-        return render_template('results.html', books=results, form=search, query=query, books_all=random_order, searchtype=search.select.data, count = count, whole = whole, percentage = percentage)
+        return render_template('results.html', books=results, form=search, query=query, books_all=books_all, searchtype=search.select.data, count = count, whole = whole, percentage = percentage)
 
     if search.grid.data:
         view.append('2')
-        return render_template('results_grid.html', books=results, form=search, query=query, books_all=random_order, searchtype=search.select.data, count = count, whole = whole, percentage = percentage)
+        return render_template('results_grid.html', books=results, form=search, query=query, books_all=books_all, searchtype=search.select.data, count = count, whole = whole, percentage = percentage)
 
     if request.method == 'POST':
         newmsg = 'searched for: ' + search.search.data
@@ -464,10 +476,10 @@ def search_results(searchtype, query, viewby):
             return redirect((url_for('search_results', searchtype=search.select.data, query=search.search.data, viewby=viewby)))
 
     if viewby == '2':
-        return render_template('results_grid.html', form=search, books=results, books_all=random_order, searchtype=search.select.data, query=query, count = count, whole = whole, percentage = percentage)
+        return render_template('results_grid.html', form=search, books=results, books_all=books_all, searchtype=search.select.data, query=query, count = count, whole = whole, percentage = percentage)
 
     else:
-        return render_template('results.html', form=search, books=results, books_all=random_order, searchtype=search.select.data, query=query, count = count, whole = whole, percentage = percentage)
+        return render_template('results.html', form=search, books=results, books_all=books_all, searchtype=search.select.data, query=query, count = count, whole = whole, percentage = percentage)
 
 
 # ## Search - autocomplete