se-hub/models/TaskGrade.py

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__author__ = 'Aran'
import json
from google.appengine.ext import db
class TaskGrade(db.Model):
taskId = db.IntegerProperty(required=True)
userId = db.IntegerProperty(required=True)
grade = db.IntegerProperty(required=False,default=0)
def to_JSON(self):
data = {'taskId' : self.taskId,
'userId' : self.userId,
'grade' : self.grade,
'id' : self.key().id()
}
return json.dumps(data)