def get(self):
user = self.get_current_user()
if not user:
self.redirect("/")
return
key = db.Key(encoded=self.request.get("key"))
course = Course.get(key)
class_key = db.Key(encoded=self.request.get("class"))
goto = self.request.get("goto")
if goto == None or goto == "":
goto = "/"
# if class is different copy list to the new class
if class_key != course.parent_key():
aclass = Class.get(class_key)
newCourse = Course(parent=aclass)
newCourse.name = course.name
newCourse.chapters = course.chapters
newCourse.count_questions()
newCourse.put()
self.stop_edit_course()
self.redirect(goto)
def put(self,Id):
"""Save a class with key == Id"""
clss = Class.get( db.Key(encoded=Id) )
if clss:
jsn = json.decoder.JSONDecoder()
model = jsn.decode( self.request.get('model'))
clss.name = model['name']
clss.put()
else:
raise Exception('Saving of class failed')
def post(self,Id=None):
"""Create new class instance and retirn its id which is its key"""
teacher = self.get_current_teacher()
if not teacher:
self.redirect('/')
return
#raise Exception('uri='+self.request.uri)
httpMethod = self.request.get('_method')
if httpMethod == 'PUT':
self.put(Id)
return
if httpMethod == 'DELETE':
#raise Exception("deleting...")
self.delete(Id)
return
if httpMethod == 'GET':
raise Exception('GET not implemented')
return
jsn = json.decoder.JSONDecoder()
#raise Exception('model '+self.request.get('model'))
model = jsn.decode( self.request.get('model'))
if not 'clss' in model:
raise Exception('Class is missing from model.')
logger.info('Create student '+str(model))
try:
student = create_user(model)
except:
self.response.out.write('error')
return
clss_encoded_key = model['clss']
clss = Class.get( db.Key(encoded=clss_encoded_key) )
if clss != None:
#try:
clss.add_student(student)
#except:
# raise Exception('failed to add student')
else:
raise Exception('Class not found.')
#raise Exception('stu key: '+str(self.request.uri) + ' ' + str(model))
self.response.out.write('{"id":"'+str(student.key())+'"}')
def delete(self, Id):
"""Delete a user with key == Id"""
user = Class.get( db.Key(encoded=Id) )
if user:
user.delete()
