m_librarian/web/app.py

   1 # -*- coding: utf-8 -*-
   2
   3 import os
   4
   5 from sqlobject.sqlbuilder import CONCAT
   6 from bottle import cheetah_view, redirect, request, route, static_file
   7
   8 from m_librarian.config import get_config
   9 from m_librarian.db import Author, Book
  10 from m_librarian.download import download
  11 from m_librarian.search import search_authors, search_books
  12
  13
  14 @route('/')
  15 @cheetah_view('index.tmpl')
  16 def index():
  17     return {
  18         'get_config': get_config,
  19     }
  20
  21
  22 @route('/search_authors', method='GET')
  23 def _search_authors():
  24     return redirect('/search_authors/')
  25
  26
  27 @route('/search_authors/', method='GET')
  28 @cheetah_view('search_authors.tmpl')
  29 def search_authors_get():
  30     return {}
  31
  32
  33 def decode(value):
  34     if isinstance(value, bytes):
  35         return value.decode('utf-8')
  36     return value
  37
  38
  39 def _guess_case_sensitivity(value):
  40     return not value.islower()
  41
  42
  43 @route('/search_authors/', method='POST')
  44 @cheetah_view('list_authors.tmpl')
  45 def search_authors_post():
  46     value = request.forms.get('search_authors')
  47     if not value:
  48         return redirect('/search_authors/')
  49     value = decode(value)
  50     search_type = request.forms.get('search_type')
  51     if not search_type:
  52         search_type = 'start'
  53     case_sensitive = request.forms.get('case_sensitive')
  54     if case_sensitive is None:
  55         case_sensitive = _guess_case_sensitivity(value)
  56     expressions = [(
  57         CONCAT(Author.q.surname, ' ', Author.q.name, ' ', Author.q.misc_name),
  58         decode(value)
  59     )]
  60     authors = search_authors(search_type, case_sensitive, {}, expressions,
  61                              orderBy=('surname', 'name', 'misc_name'))
  62     columns = get_config().getlist('columns', 'author', ['fullname'])
  63     return {
  64         'authors': list(authors),
  65         'search_authors': value,
  66         'search_type': search_type,
  67         'case_sensitive': case_sensitive,
  68         'columns': columns,
  69     }
  70
  71
  72 @route('/books-by-author/<id:int>/', method='GET')
  73 @cheetah_view('list_books.tmpl')
  74 def books_by_author(id):
  75     use_filters = get_config().getint('filters', 'use_in_books_list', 1)
  76     columns = get_config().getlist('columns', 'book', ['title'])
  77     author = Author.get(id)
  78     if use_filters:
  79         join_expressions = []
  80         join_expressions.append(Book.j.authors)
  81         join_expressions.append(Author.q.id == id)
  82         books = search_books('full', None, {}, join_expressions,
  83                              orderBy=('series', 'ser_no', 'title', '-date'),
  84                              use_filters=use_filters)
  85     else:
  86         books = Book.select(
  87             Book.j.authors & (Author.q.id == id),
  88             orderBy=['series', 'ser_no', 'title'],
  89         )
  90
  91     return {
  92         'books_by_author': {author.fullname: list(books)},
  93         'columns': columns,
  94     }
  95
  96
  97 @route('/static/<filename:path>')
  98 def send_static(filename):
  99     return static_file(
 100         filename, root=os.path.join(
 101             os.path.dirname(__file__),
 102             'static'
 103         )
 104     )
 105
 106
 107 @route('/download/', method='POST')
 108 @cheetah_view('download.tmpl')
 109 def download_books():
 110     books_ids = request.forms.getall('books')
 111     download_path = get_config().getpath('download', 'path')
 112     if books_ids:
 113         for id in books_ids:
 114             book = Book.get(int(id))
 115             download(book, download_path)
 116         return {
 117             'message': u'Книги сохранены.',
 118         }
 119     else:
 120         return {
 121             'message': u'Не выбрано книг для сохранения.',
 122         }
 123
 124
 125 @route('/search_books', method='GET')
 126 def _search_books():
 127     return redirect('/search_books/')
 128
 129
 130 @route('/search_books/', method='GET')
 131 @cheetah_view('search_books.tmpl')
 132 def search_books_get():
 133     return {
 134         'get_config': get_config,
 135     }
 136
 137
 138 @route('/search_books/', method='POST')
 139 @cheetah_view('list_books.tmpl')
 140 def search_books_post():
 141     value = request.forms.get('search_books')
 142     if not value:
 143         return redirect('/search_books/')
 144     value = decode(value)
 145     search_type = request.forms.get('search_type')
 146     if not search_type:
 147         search_type = 'start'
 148     case_sensitive = request.forms.get('case_sensitive')
 149     if case_sensitive is None:
 150         case_sensitive = _guess_case_sensitivity(value)
 151     use_filters = request.forms.get('use_filters')
 152     books = search_books(search_type, case_sensitive, {'title': value}, None,
 153                          orderBy=('title',), use_filters=use_filters)
 154     books_by_authors = {}
 155     for book in books:
 156         author = book.author1
 157         if author in books_by_authors:
 158             books_by_author = books_by_authors[author]
 159         else:
 160             books_by_author = books_by_authors[author] = []
 161         books_by_author.append(book)
 162     columns = get_config().getlist('columns', 'book', ['title'])
 163     return {
 164         'books_by_author': books_by_authors,
 165         'search_books': value,
 166         'search_type': search_type,
 167         'case_sensitive': case_sensitive,
 168         'columns': columns,
 169     }