+ def get_mark(self, user_id, exercise_id):
+ mark = None
+ user_id = str(user_id)
+ exercise_id = str(exercise_id)
+ if self.marks and user_id in self.marks:
+ mark = self.marks[user_id].get(exercise_id, None)
+ return mark
+
+ def set_mark(self, user_id, exercise_id, mark):
+ user_id = str(user_id)
+ exercise_id = str(exercise_id)
+ if not self.marks:
+ self.marks = dict()
+
+ self.marks.setdefault(user_id, {})[exercise_id] = mark
+ if mark == 'None':
+ del self.marks[user_id][exercise_id]
+
+
+ def get_exercise_marks_by_examiner(self, exercise_id):
+ marks = dict()
+ for examiner_id, examiner_marks in self.marks.items():
+ mark = examiner_marks.get(exercise_id, None)
+ if mark is not None:
+ marks[examiner_id] = mark
+ return marks
+
+ def get_final_exercise_mark(self, exercise_id):
+ exercise = exercises[int(exercise_id)-1]
+ if exercise_checked_manually(exercise):
+ marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
+ if len(marks_by_examiner):
+ return max(map(int, marks_by_examiner.values()))
+ else:
+ return None
+ else:
+ return 1 # TODO: actually calculate the result
+
+ @property
+ def final_result(self):
+ final = 0
+ for exercise_id in map(str,range(1, len(exercises) + 1)):
+ mark = self.get_final_exercise_mark(exercise_id)
+ if mark is not None:
+ final += int(mark)
+ return final
+