Files
pyShelf/src/interface/views.py
2020-02-02 07:56:39 -05:00

127 lines
3.0 KiB
Python
Executable File

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 #render_to_response
from django.utils.text import slugify
from .models import Books
def index(request):
"""
Return template index
"""
_set = 1
return render(
request, "index.html", {"Books": book_set(20, _set), "Set": str(_set)}
)
def next_page(request, bookset):
"""
Goto next page in bookset
"""
try:
_set = int(bookset) + 1
except Exception:
_set = 1
return render(
request, "index.html", {"Books": book_set(None, _set), "Set": str(_set)}
)
def prev_page(request, bookset):
"""
Goto previous page in bookset
"""
_set = int(bookset)
if _set <= 1:
_set = 1
else:
try:
_set = int(bookset) - 1
except Exception:
_set = 1
return render(
request, "index.html", {"Books": book_set(None, _set), "Set": str(_set)}
)
def search(request, query=None, _set=1, _limit=None):
"""
Call generic search and return rendered results
"""
_set = int(_set)
if query is None:
return render(request, "index.html", {"Books": None})
if _limit is None:
_limit = 20 ## TODO set to user defaults
if _set < 1:
_set = 1
_set_max = int(_set) * _limit
_set_min = _set_max - _limit
search = Books().generic_search(query)
search_len = search.count()
_r = search[_set_min:_set_max]
return render(
request,
"search.html",
{"Books": _r, "Query": query, "Set": _set, "len_results": search_len},
)
def book_set(_limit=None, _set=1):
"""
Get books results by set #
"""
if _limit is None:
_limit = 20 # TODO default from user choice
_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": book.cover,
"pages": book.pages,
"progress": book.progress,
"file_name": book.file_name,
"pk": book.pk,
}
return json.dumps(_set)
def download(request, pk):
"""
Download book by primary key
"""
_book = Books.objects.all().filter(pk=pk)[0]
_fn = hr_name(_book)
response = HttpResponse(
open(os.path.abspath(_book.file_name), "rb"), content_type="application/zip"
)
response["Content-Disposition"] = "attachment; filename=%s" % _fn
return response
def hr_name(book):
"""
Nicer file names
"""
return "{0}{1}".format(slugify(book.title), os.path.splitext(book.file_name)[1])