Began processing for result limiting and paging

This commit is contained in:
Mike Young
2019-11-28 16:02:41 -05:00
parent dfc3e83124
commit 2bf6500ee5
5 changed files with 93 additions and 15 deletions

File diff suppressed because one or more lines are too long

View File

@@ -0,0 +1,27 @@
$(document).ready(function(){
//_set = $('input#_set').attr('value');
$('input.next_page').on('click', function(){next_page(1)});
$('input.prev_page').on('click', function(){prev_page(1)});
function next_page(set){
/*
var re = new RegExp(/^.*\//);
var _root = re.exec(window.location.href);
var _path = _root[0].substring(0, _root[0].length -1)
document.location.href = 'next_page?bookset='+set;
*/
console.log("next_page clicked");
var _r = $.get('next_page', 'bookset='+set);
console.log(_r);
}
function prev_page(set){
/*
var re = new RegExp(/^.*\//);
var _root = re.exec(window.location.href);
document.location.href = _root+'prev_page?bookset='+set;
*/
console.log("prev_page clicked");
$.get('prev_page', 'bookset='+set);
}
});

View File

@@ -9,6 +9,8 @@
<title>pyShelf E-Book Server</title>
<link href="https://fonts.googleapis.com/css?family=Audiowide&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Gruppo&display=swap" rel="stylesheet">
<script src="/static/js/jquery-3.4.1.min.js" type="text/javascript"></script>
<script src="/static/js/pyshelf_ux.js" type="text/javascript"></script>
</head>
<body>
<div id="app">
@@ -17,28 +19,27 @@
<h1 class="app_hdr shadow">pyShelf</h1>
</div>
<div class="app_slogan">
<h2 class="app_slogan shadow">""An elegant tool... for a more civilized age."</h3>
<h3 class="app_slogan shadow">""An elegant tool... for a more civilized age."</h3>
</div>
<div class="app_subhdr">
<img src="/static/img/open-source-175x29.png" class="hdr_badge" /><br />
<img src="/static/img/gpl-125x28.png" class="hdr_badge" />
</div>
</h2>
</div>
<div class="app_body" >
<div class="nav_top">
<div class="navbar top">
<div style="grid-area:left">
<input class="nav_button" type="submit" value="<< Prev Page">
</div>
<div style="grid-area:center">
<input type="hidden" id="_set" name="_set" value="{{ Set }}" />
<div style="grid-area:left">
<input class="nav_button prev_page" type="submit" value="<< Prev Page">
</div>
<div style="grid-area:center">
<input class="nav_search" type="text" size="15">
<input class="nav_button" type="submit" value="Search">
</div>
<div style="grid-area:right">
<input class="nav_button" type="submit" value="Next Page >>">
</div>
</div>
<div style="grid-area:right">
<input class="nav_button next_page" type="submit" value="Next Page >>">
</div>
</div>
</div>
<div class="shelf">

View File

@@ -1,6 +1,9 @@
import json
import os
from base64 import b64decode, b64encode
from django.db import models
from django.http import JsonResponse
from django.shortcuts import HttpResponse, render
from django.utils.text import slugify
@@ -8,19 +11,63 @@ from .models import Books
def index(request):
return render(request, "index.html", {"Books": book_set()})
_set = 1
return render(
request, "index.html", {"Books": book_set(20, _set), "Set": str(_set)}
)
# return render(request, "index.html", {"Books": Books.objects.all()})
def next_page(request):
try:
_set = int(request.GET["bookset"]) + 1
except Exception:
_set = 1
return HttpResponse(book_set_as_dict(20, _set), mimetype="application/json")
def prev_page(request):
try:
_set = request.GET["bookset"] - 1
if _set < 0:
_set = 0
except Exception:
_set = 1
return render(
request, "index.html", {"Books": book_set(None, _set), "Set": str(_set)}
)
def book_set(_limit=None, _set=1):
if _limit is None:
_limit = 20 # TODO default from user choice
_set_max = _set * _limit
_set_max = int(_set) * _limit
_set_min = _set_max - _limit
books = Books.objects.all()[_set_min:_set_max]
return books
def book_set_as_dict(_limit=None, _set=1):
breakpoint()
if _limit is None:
_limit = 20
_set_max = int(_set) * _limit
_set_min = _set_max - _limit
_set = {}
for book in Books.objects.all()[_set_min:_set_max]:
_set[book.title] = {
"title": book.title,
"author": book.author,
"categories": book.categories,
"cover": b64decode(book.cover),
"pages": book.pages,
"progress": book.progress,
"file_name": book.file_name,
"pk": book.pk,
}
return json.dumps(_set)
def download(request, pk):
_book = Books.objects.all().filter(pk=pk)[0]
_fn = hr_name(_book)