def create_library(cursor, row):
_row = sqlite3.Row(cursor, row)
library = Library()
library.id = _row["id"]
library.title = _row["title"]
library.address = _row["address"]
# Note: You are adding a blank books list to the library object
# This list will be populated later (see below)
library.books = []
book = Book()
book.id = _row["book_id"]
book.title = _row["book_title"]
book.author = _row["author"]
book.ISBN = _row["ISBN"]
book.year_published = _row["year_published"]
# Return a tuple containing the library and the
# book built from the data in the current row of
# the data set
return (
library,
book,
)
def book_list(request):
if request.method == 'GET':
with sqlite3.connect(Connection.db_path) as conn:
conn.row_factory = sqlite3.Row
db_cursor = conn.cursor()
db_cursor.execute("""
select
b.id,
b.title,
b.ISBN,
b.author,
b.year_published,
b.librarian_id,
b.location_id
from libraryapp_book b
""")
all_books = []
dataset = db_cursor.fetchall()
for row in dataset:
book = Book()
book.id = row['id']
book.title = row['title']
book.ISBN = row['ISBN']
book.author = row['author']
book.year_published = row['year_published']
book.librarian_id = row['librarian_id']
book.location_id = row['location_id']
all_books.append(book)
template = 'books/list.html'
context = {
'all_books': all_books
}
return render(request, template, context)
elif request.method == 'POST':
form_data = request.POST
with sqlite3.connect(Connection.db_path) as conn:
db_cursor = conn.cursor()
db_cursor.execute("""
INSERT INTO libraryapp_book
(
title, author, ISBN,
year_published, location_id, librarian_id
)
VALUES (?, ?, ?, ?, ?, ?)
""",
(form_data['title'], form_data['author'],
form_data['ISBN'], form_data['year_published'],form_data["location"],
request.user.librarian.id))
return redirect(reverse('libraryapp:books'))
def create_book(cursor, row):
_row = sqlite3.Row(cursor, row)
book = Book()
book.id = _row["book_id"]
book.author = _row["author"]
book.ISBN = _row["ISBN"]
book.title = _row["title"]
book.year_published = _row["year_published"]
librarian = Librarian()
librarian.id = _row["librarian_id"]
librarian.first_name = _row["first_name"]
librarian.last_name = _row["last_name"]
library = Library()
library.id = _row["library_id"]
library.title = _row["library_name"]
book.librarian = librarian
book.location = library
return book
