def add_book(request):
if not request.user.is_authenticated():
return HttpResponseRedirect("/login/")
user=request.user.username
if request.POST:
post = request.POST
try:
author = Author.objects.get(Name = post["AuthorName"])
try:
BOOK = Book.objects.get(ISBN = post["ISBN"])
right="The ISBN is exists!"
return render_to_response("add_book.html",Context({"count":Book.objects.filter().count(),"right":right}))
except:
new_book = Book(
user = request.user.username,
ISBN = post["ISBN"],
Title = post["Title"],
Author = author,
Publisher = post["Publisher"],
PublishDate = post["PublishDate"],
Price = post["Price"])
new_book.save()
except:
right="create author first"
return render_to_response("add_book.html",Context({"count":Book.objects.filter().count(),"right":right}))
return render_to_response("add_book.html",Context({"count":Book.objects.filter().count()}))
def add_book2(request):
word = ""
name = request.GET["authorname"]
if request.POST:
post = request.POST
post = request.POST
isbn = post["isbn"]
title = post["title"]
publisher = post["publisher"]
publishdate = post["publishdate"]
price = post["price"]
le = Book.objects.filter(ISBN = isbn).count()
if le == 0:
try:
author = Author.objects.get(Name = name)
new_book = Book(
ISBN = isbn,
Title = title,
Author = author,
Publisher = publisher,
PublishDate = publishdate,
Price = price
)
new_book.save()
return HttpResponseRedirect("/add_book_ok/")
except:
return HttpResponseRedirect("/author_not_exist/")
else:
word = "this book has already existed, please check the ISBN code"
return render_to_response('add_book2.html',{"name":name, "word":word})
def book_update(request):
if request.GET:
book_name = request.GET["u_name"]
it = Book.objects.get(name = book_name)
m_date = ["2015","10","30"]
m_date= it.pub_date.split("-")
if request.POST:
try:
post = request.POST
pattern = re.compile('[\d]+\.[\d]+')
error_1 = (post['name']=='')
error_2 = (post['owner']=='')
error_3 = (post['price']=='') or not pattern.match(post['price'])
error_4 = (post['ISBN']=='')
pub_date=post["selYear"]+'-'+post["selMonth"]+'-'+post["selDay"]
owner = Author.objects.filter(name=post['owner'])
try:
own = owner[0]
error_5 = False
except:
error_5 = True
error = Context({"error_1":error_1,
"error_2":error_2,
"error_3":error_3,
"error_4":error_4,
"error_5":error_5,
"success":not(error_1 or error_2 or error_3 or error_4 or error_5),
"it":it,"it_year":m_date[0],"it_month":m_date[1],"it_day":m_date[2],})
if error_1 or error_2 or error_3 or error_4 or error_5:
return render_to_response('book_update.html',error)
else:
new_book = Book(name = post['name'],
owner = own,
price = post['price'],
pub_house = post['pub_house'],
pub_date = pub_date,
ISBN = post['ISBN'])
new_book.save()
it.delete()
return render_to_response('book_update.html',error)
except:
error = Context({"error_1":True,
"error_2":True,
"error_3":False,
"error_4":False,
"error_5":False,
"success":False,
"it":it,"it_year":m_date[0],"it_month":m_date[1],"it_day":m_date[2],})
return render_to_response('book_update.html',error)
error = Context({"error_1":False,
"error_2":False,
"error_3":False,
"error_4":False,
"error_5":False,
"success":False,
"it":it,"it_year":m_date[0],"it_month":m_date[1],"it_day":m_date[2],})
return render_to_response('book_update.html',error)
def newbook(post):
"""to get the room for book to store"""
new_book = Book(isbn=post["isbn"],
title=post["title"],
publisher=post["publisher"],
publishdate=post["publishdate"],
price=post["price"])
return new_book
def book_add(request):
if request.POST:
try:
post = request.POST
pattern = re.compile('[\d]+\.[\d]+')
error_1 = (post['name']=='')
error_2 = (post['owner']=='')
error_3 = (post['price']=='') or not pattern.match(post['price'])
error_4 = (post['ISBN']=='')
pub_date=post["selYear"]+'-'+post["selMonth"]+'-'+post["selDay"]
owner = Author.objects.filter(name=post['owner'])
try:
own = owner[0]
error_5 = False
except:
error_5 = True
error = Context({"error_1":error_1,
"error_2":error_2,
"error_3":error_3,
"error_4":error_4,
"error_5":error_5,})
if error_1 or error_2 or error_3 or error_4 or error_5:
return render_to_response('book_add.html',error)
else:
new_book = Book(name = post['name'],
owner = own,
price = post['price'],
pub_house = post['pub_house'],
pub_date = pub_date,
ISBN = post['ISBN'])
new_book.save()
return render_to_response('book_add.html',error)
except:
error = Context({"error_1":True,
"error_2":True,
"error_3":False,
"error_4":False,
"error_5":False,})
return render_to_response('book_add.html',error)
error = Context({"error_1":False,
"error_2":False,
"error_3":False,
"error_4":False,
"error_5":False,})
return render_to_response('book_add.html',error)
def renew(request):
ID=request.GET["id"]
book=Book.objects.get(ISBN=ID)
c={"book":book,}
post = request.POST
if post:
author=Author.objects.filter(AuthorID=post["authorid"],)
if author:
new_book=Book(
ISBN=post["isbn"],
Title=post["title"],
AuthorID=Author.objects.get(Name=post["authorid"]),
Publisher=post["publisher"],
PublishDate=post["publishdate"],
Price=post["price"],)
new_book.save()
book.delete()
c={"error":"success!","href":"/"}
else:
c={"error":"you hace to insert a new author!","href":"/add_author"}
return render(request, 'renew.html',c,context_instance=RequestContext(request))
def add(request):
author_list = Author.objects.all()
if request.POST:
post = request.POST
havenoword=True
if("AuthorID" in request.POST):
if((len(post["ISBN"])!=0) and (len(post["Title"])!=0)):
havenoword=False
author=Author.objects.get(AuthorID=post["AuthorID"])
new_book = Book(
ISBN = post["ISBN"],
Title = post["Title"],
AuthorID = author,
Publisher = post["Publisher"],
PublishDate = post["PublishDate"],
Price = post["Price"])
new_book.save()
return HttpResponseRedirect("/")
return render_to_response("add.html",{"havenoword":havenoword,"author_list":author_list})
else:
return render_to_response("add.html",{"author_list":author_list})
def add(request):
post=request.POST
c={}
if post:
author=Author.objects.filter(AuthorID=post["authorid"],)
book=Book.objects.filter(ISBN=post["isbn"],)
if author and not book:
c={"error":"",}
author=Author.objects.get(AuthorID=post["authorid"],)
new_book=Book(
ISBN=post["isbn"],
Title=post["title"],
AuthorID=author,
Publisher=post["publisher"],
PublishDate=post["publishdate"],
Price=post["price"],
)
new_book.save()
elif not author:
c={"error":"press there to insert a new author","href":"/add_author"}
else:
c={"error":"this isbn is existed!","href":"#"}
return render(request,'add.html',c,context_instance=RequestContext(request))