def post(self):
subject=self.get_argument('subject')
student=self.get_argument('student')
s=Subject.objects(id=ObjectId(subject)).first()
if not s:
return self.write({'err':'课题不存在'})
if s.applied_to:
return self.write({'err':'课题已被分配给'+s.applied_to.realname.encode('utf-8')})
u=Student.objects(username=student).first()
if not u:
return self.write({'err':'学生不存在'})
if u.applied_to:
return self.write({'err':'学生已被分配'+u.applied_to.name.encode('utf-8')+'课题'})
# Match Straightly
s.selected_by=[]
s.applied_to=u
u.selected=None
u.applied_to=s
s.save()
u.save()
self.write({})
def post(self):
subject=self.get_argument('subject')
student=self.get_argument('student',default="")
s=Subject.objects(id=ObjectId(subject)).first()
if not s:
return self.write({'err':'课题不存在'})
if s.professor.username!=self.current_user.username:
return self.write({'err':'不是你的课题'})
if s.selected_by==[]:
return self.write({'err':'不可改选上阶段选好的课题'})
# Clear previous approvement
if s.applied_to:
u=Student.objects(username=s.applied_to.username).first()
u.applied_to=None
u.save()
s.applied_to=None
if student:
for u_embedded in s.selected_by:
u=Student.objects(username=u_embedded.username).first()
if u.username==student:
# You are the one!
s.applied_to=u
u.applied_to=s
u.save()
s.save()
self.write({})
def post(self):
u=self.current_user
subject=self.get_argument('id')
s=Subject.objects(id=ObjectId(subject)).first()
if not s:
return self.write({'err':'课题不存在'})
if s.professor.username!=self.current_user.username:
return self.write({'err':'不是你的课题'})
s.delete()
self.write({})
def post(self):
subject=self.get_argument('subject',"")
u=self.current_user
if u.excluded:
return self.write({'err':'你被从选课中排除'})
if u.applied_to:
return self.write({'err':'你已被'+u.applied_to.name.encode('utf-8')+'课题选中'})
if not subject:
# Clear Currently Selected
if u.selected:
old_s=u.selected
#u.selected=None
old_s.selected_by=[i for i in old_s.selected_by if i.id!=u.id]
old_s.save()
u.save()
else:
s=Subject.objects(id=ObjectId(subject)).first()
if not s:
return self.write({'err':'课题不存在'})
if s.applied_to:
return self.write({'err':'课题已被'+s.applied_to.realname.encode('utf-8')+'选中'})
# Clear Currently Selected
if u.selected:
old_s=u.selected
#u.selected=None
old_s.selected_by=[i for i in old_s.selected_by if i.id!=u.id]
old_s.save()
# Beware if old_s==s
s.reload()
# Select New
if subject:
u.selected=s
s.selected_by.append(u)
s.save()
u.save()
self.write({})
def post(self):
u=self.current_user
subject=self.get_argument('id')
name=self.get_argument('name',default="")
desc=self.get_argument('desc',default="")
type1=self.get_argument('type1',default="")
type2=self.get_argument('type2',default="")
source=self.get_argument('source',default="")
s=Subject.objects(id=ObjectId(subject)).first()
if not s:
return self.write({'err':'课题不存在'})
if s.professor.username!=self.current_user.username:
return self.write({'err':'不是你的课题'})
for i in ['name','desc','type1','type2','source']:
value=self.get_argument(i,default="")
if value:
s[i]=value
s.save()
self.write({})
def post(self):
u=self.current_user
name=self.get_argument('name')
desc=self.get_argument('desc')
type1=self.get_argument('type1')
type2=self.get_argument('type2')
source=self.get_argument('source')
old_s=Subject.objects(name=name).first()
if old_s and old_s.professor.username==u.username:
return self.write({'err':'课题已存在'})
s=Subject(
name=name,
desc=desc,
type1=type1,
type2=type2,
source=source,
professor=u,
)
s.save()
return self.write({'id':str(s.id)})
