def save_notebook(access, notebook_name, content, version, o):
#user_nickname=get_user_nickname(o)
user_nickname=get_user_name_network(o)
if not user_nickname:
return {'error':'Please login to save changes'}
user_name=get_user_name(o)
user_network=get_user_network(o)
user_id=get_user_id(o)
user_name_network_id=get_user_name_network_id(o)
# TODO: check if the notebook exists and the user is the same as owner???
#b=get_notebook(user_nickname, access, notebook_name, None)
#if b and b.user_id != user_id:
# o.response.out.write("{'error':'Sorry, Only owners can save changes.'}")
# return
# find the last version
last_version=0
(last_content, last_version)=get_notebook_content(user_nickname, access, notebook_name, None)
if not last_version:
last_version= 0
# if version is not specified in the request make it more than last_version by 1
version = int(version) if version != '' else last_version + 1
key_name=user_nickname+"/"+access+"/"+notebook_name
# if this is a new version save it in NoteBook
if version >= last_version:
#create a new NoteBook. key_name must go in constructor
n=NoteBook(key_name=key_name)
n.notebook_name=notebook_name
n.user_nickname=user_nickname
n.user_name=user_name
n.user_network=user_network
n.user_id=user_id
n.user_name_network_id=user_name_network_id
n.access=access
n.content=content
n.version=version
#save it
#import pdb; pdb.set_trace()
n.put()
# No matter if it is a new or an old version save it in NoteBookVersion
n=NoteBookVersion(key_name=key_name+"/"+str(version))
n.notebook_name=notebook_name
n.user_nickname=user_nickname
n.user_name=user_name
n.user_network=user_network
n.user_id=user_id
n.user_name_network_id=user_name_network_id
n.access=access
n.content=content
n.version=version
#save it
n.put()
#output
r = {}
r['key_name']=key_name
r['notebook_name']=notebook_name
r['user_nickname']=user_nickname
r['user_name']=user_name
r['user_network']=user_network
r['user_id']=user_id
r['user_name_network_id']=user_name_network_id
r['access']=access
#r['content']=content
r['version']=version
return r
