def login_check_search(user):
''' Checks that the user has logged in before granting access to the
feature. If yes the search module is run, if no the
appropriate error message is displayed.
'''
if user == 0:
please_login()
else:
booksearch.search(user, accept_char_book_id, database, log,
'database.txt')
def btn1clicked():
"""
This function is called when Btn3 is clicked.
The module to search books is called within the button
and a search is performed.
the outputs from book search function
is then outputted into the tree structre.
also additional checks are carried out
for example checks if the searched books/s
is available or currently out on loan
"""
tree.delete(
*tree.get_children()) #clears the data that may already be in tree
search_word = inp1.get() #gets user input
search_word = search_word.lower()
outpt = booksearch.search(search_word) #imporeted search function executed
for l in outpt: #loops through the returned list
item = l.split(',')
id = tree.insert('', 'end', text="BookID=" + item[0])
tree.columnconfigure(
1, weight=100) #output added to the tree view structure
tree.insert(id, 'end', text="Title:" + item[1])
tree.insert(id, 'end', text="Author:" + item[2])
if item[3] == '0': #condition checks if the serached book is available for checkout
tree.insert(id, 'end', text="Book available for checkout")
else:
tree.insert(id, 'end', text="Book currently out on loan")
def _get(self, isbn):
context = {
"isbn": isbn,
"page_title": 'Book %s not found' % isbn,
"book": None,
"shops": bookshop.SHOPS.keys()
}
# 1) directly from memcache or datastore
book = models.Book.get_by_isbn(isbn, create=False)
results = []
if not book:
# 2) from "booktmp" cached during session in SearchHandler
key = 'booktmp:%s' % isbn
book_dict = memcache.get(key)
if book_dict:
results = [book_dict]
memcache.delete(key)
# 3) actual google/amazon search
if (not book and not results) or (book and (not book.google_id or not book.amazon_id)):
results = booksearch.search('isbn:%s' % isbn)
# store or update the book
if results:
book = models.store_books(results, update=True)
book = book[0] if book else None
context['book'] = book
context['page_title'] = book.title if book else title
return ('view.html', context)
def _get(self):
query = self.request.get('q', '').strip()
# modify query to do an ISBN: keyword search if given query is one
if models.Book.ISBN13_REGEX.match(query) or models.Book.ISBN10_REGEX.match(query):
query = 'isbn:%s' % query
context = {
"page_title": u'Search: "%s"' % query,
"page_id": 'search',
"query": query,
"books": []
}
hashed = booksearch.hash_query(query)
results = booksearch.search(query, hashed=hashed)
if results:
# if only has 1 result, immediately save and redirect
if len(results) == 1:
# no need to update=True since google book search results
# rarely change...
models.store_books(results, update=False)
self.redirect('/%s' % results[0]['isbn13'])
return (None, None)
# convert the resulting dict objects into temporary faux Book
# entities for use in the template, then defer the actual
# creation of the entities to BookHandler
cache = {}
for res in results:
res['permalink'] = '/%s' % res['isbn13']
res['links'] = {}
for ln in res.get('_links', []):
res['links'][ln['name']] = ln['url']
cache['booktmp:%s' % res['isbn13']] = res
# temporarily cache the dicts for later saving in BookHandler
# we give the user 20 minutes to browse/search before
# clicking a book
memcache.set_multi(cache, 1200)
context['books'] = results
return ('search.html', context)
def search():
"""
Searches for book matching entered value and field.
Populates values onto the table.
"""
import booksearch as bs
opt = var.get()
term = searchBox.get()
term2 = dateBox.get()
# Case statement (substitute) for different search areas
# Each key is an option in the OptionMenu
searchBy = {
"Title & Author": bs.search(term),
"ID": bs.bookID(term),
"Date": bs.dateRange(term, term2),
}
query = searchBy[opt] # Make & stores a query (2D list)
# Repopulates table
if term != "":
populate(query)
