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'], request.user.librarian.id, form_data["location"])) return redirect(reverse('libraryapp:books'))
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 = list() 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"] book.location_id = _row["location_id"] book.librarian_id = _row["librarian_id"] # 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)
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_number, b.author, b.year, 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_number = row['ISBN_number'] book.author = row['author'] book.year = row['year'] book.librarian_id = row['librarian_id'] book.location_id = row['location_id'] all_books.append(book) template = 'books/list.html' #holding the path and filename of the template created in templates/list.html context = {'all_books': all_books} return render(request, template, context)
def book_list(request): if request.method == 'GET': # opens, and then closes connection, because we use 'with' with sqlite3.connect(Connection.db_path) as conn: # make a row factory. sqlite3.Row basically puts keys on our tuples conn.row_factory = sqlite3.Row # create a cursor object db_cursor = conn.cursor() # define the SQL Query, which will be saved on the 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 = [] # get the data dataset = db_cursor.fetchall() # loop through dataset, create book instances, append to all_books 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) # variable name template assigned to the path to our HTML template # that will be used for this view template = 'books/list.html' # dictionary of values passing into the template 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'], request.user.id, form_data['location'])) return redirect(reverse('libraryapp:books'))
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) # When a view wants to generate some HTML representations of data, it needs to specify a template to use. # The template variable is holding the path and filename of the template you just created. template = 'books/list.html' # the render() method is invoked. That method takes the HTTP request as the first argument, # the template to be used as the second argument, and then a dictionary containing the data to be used in the template. # In this case, the dictionary has a single property labeled all_books and its value is the list of book objects that the view generates. # The key name is able to be used in the template, which is why the template has the following loop. 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'))