def __init__(self,search_string,querysize = 10):
"""
Performs a search with the search_string, you should
also set the querysize if you wish to see more than 10
results returned from search.next
"""
self.offset = 0
self.limit = querysize
self.search_text = search_string
isbn = ISBN(search_string)
if isbn.valid():
self.isbn = isbn
self.isbn_search = True
self.isbn.to_isbn13()
self.unique = UniqueBook(self.isbn.format(''))
remote_books = models.Book.all().filter('isbn =',self.isbn.format('')).filter('is_local =', False).filter('date >=',datetime.datetime.now()-datetime.timedelta(days=10)).order('-date').get()
if not self.unique.found or self.unique.book.requery or self.unique.book.requery==None:
isbndb_query = isbndb()
logging.info('making query to isbndb')
isbnbooks = isbndb_query.searchBook(isbn=self.isbn.format(''))
logging.info('found %d books on isbndb'%len(isbnbooks))
if(len(isbnbooks) == 0):
self.unique.create_book(title='ISBN valid, but book not found',requery=True)
else:
self.unique.create_book(title=isbnbooks[0].title,requery=False)
for book in isbnbooks:
book.add_to_database(self.unique.book)
self.local_books = self.unique.get_local_books()
self.remote_books = self.unique.get_remote_books()
logging.info('%d local AND %d remote'%(self.local_books.count(),self.remote_books.count()))
else:
self.isbn_search = False
arrsearch = self.search_text.split(' ')
books = models.UniqueBook.all().order('-lastAdded')
self.text_books = []
for book in books:
arrtitle = [x.lower() for x in book.title.split(' ')]
if any([x.lower() in arrtitle for x in arrsearch]):
self.text_books.append(book)
class Search(object):
"""
The Search object retrieves books from the local datastore
as well as making calls to isbndb if necessary.
Attributes:
offset: an integer which is used to set the offset for the fetch commands
limit: an integer, limits the number of books retrieved to it's value
search_text: a string, the search string input to the class
local_books: all books which are sold locally which fit the search text
remote_books: all books which are sold externally which fit the search text
"""
def __init__(self,search_string,querysize = 10):
"""
Performs a search with the search_string, you should
also set the querysize if you wish to see more than 10
results returned from search.next
"""
self.offset = 0
self.limit = querysize
self.search_text = search_string
isbn = ISBN(search_string)
if isbn.valid():
self.isbn = isbn
self.isbn_search = True
self.isbn.to_isbn13()
self.unique = UniqueBook(self.isbn.format(''))
remote_books = models.Book.all().filter('isbn =',self.isbn.format('')).filter('is_local =', False).filter('date >=',datetime.datetime.now()-datetime.timedelta(days=10)).order('-date').get()
if not self.unique.found or self.unique.book.requery or self.unique.book.requery==None:
isbndb_query = isbndb()
logging.info('making query to isbndb')
isbnbooks = isbndb_query.searchBook(isbn=self.isbn.format(''))
logging.info('found %d books on isbndb'%len(isbnbooks))
if(len(isbnbooks) == 0):
self.unique.create_book(title='ISBN valid, but book not found',requery=True)
else:
self.unique.create_book(title=isbnbooks[0].title,requery=False)
for book in isbnbooks:
book.add_to_database(self.unique.book)
self.local_books = self.unique.get_local_books()
self.remote_books = self.unique.get_remote_books()
logging.info('%d local AND %d remote'%(self.local_books.count(),self.remote_books.count()))
else:
self.isbn_search = False
arrsearch = self.search_text.split(' ')
books = models.UniqueBook.all().order('-lastAdded')
self.text_books = []
for book in books:
arrtitle = [x.lower() for x in book.title.split(' ')]
if any([x.lower() in arrtitle for x in arrsearch]):
self.text_books.append(book)
def unique_book(self):
assert(self.isbn_search)
return self.unique
def next(self):
"""
returns the next limit (as set in the init) books
which match the search terms. If the search was
performed with an isbn, the first value in the
tuple will be true, and user books are returned.
Otherwise the first tuple
is false, and the book types are unique_books.
"""
self.offset+=self.limit
if self.isbn_search:
return (True,
'',
self.remote_books.fetch(self.limit)+self.local_books.fetch(self.limit))
else:
return (False,
self.search_text,
self.text_books)
