- calculate stars based on the number of correct/wrong answers

Miguel Barão
1 parent 4f21e22a
Showing 2 changed files with 11 additions and 4 deletions Show diff stats
BUGS.md
knowledge.py
  
 BUGS:
  
+- level depender do numero de respostas correctas
 - pymips: activar/desactivar instruções
 - tabs em textarea nao funcionam correctamente (insere 1 espaco em vez de 4)
 - reportar comentarios após submeter.
@@ -32,7 +32,7 @@ class Knowledge(object):
         if topic is None:
             # select the first topic that has level < 0.9
             for topic in self.topic_sequence:
-                if topic not in self.state or self.state[topic]['level'] < 0.9:
+                if topic not in self.state or self.state[topic]['level'] < 0.8:
                     break
         logger.debug(f'Student {self.student}: new_topic({topic})')
  
@@ -42,6 +42,8 @@ class Knowledge(object):
         self.questions = self.generate_questions_for_topic(topic)
         self.current_question = None
         self.finished_questions = []
+        self.correct_answers = 1
+        self.wrong_answers = 0
  
     # ------------------------------------------------------------------------
     def generate_questions_for_topic(self, topic):
@@ -85,7 +87,7 @@ class Knowledge(object):
             # keep going if there are no questions in the next topics
             while not self.questions:
                 self.state[self.current_topic] = {
-                    'level': 1.0, # FIXME depends on how many are correct
+                    'level': self.correct_answers / (self.correct_answers + self.wrong_answers),
                     'date': datetime.now()
                 }
                 self.new_topic()
@@ -103,8 +105,12 @@ class Knowledge(object):
         question = self.current_question
         if question is not None:
             question['finish_time'] = datetime.now()
-            question.correct(answer)
+            grade = question.correct(answer)
+            if grade > 0.9:
+                self.correct_answers += 1
+            else:
+                self.wrong_answers +=1
  
-            logger.debug(f'Student {self.student}: check_answer({answer}) = {question["grade"]}')
+            logger.debug(f'Student {self.student}: check_answer({answer}) = {grade}')
  
         return question
1	1
2	2	BUGS:
3	3
	4	+- level depender do numero de respostas correctas
4	5	- pymips: activar/desactivar instruções
5	6	- tabs em textarea nao funcionam correctamente (insere 1 espaco em vez de 4)
6	7	- reportar comentarios após submeter.
...	...
...	...	@@ -32,7 +32,7 @@ class Knowledge(object):
32	32	if topic is None:
33	33	# select the first topic that has level < 0.9
34	34	for topic in self.topic_sequence:
35		- if topic not in self.state or self.state[topic]['level'] < 0.9:
	35	+ if topic not in self.state or self.state[topic]['level'] < 0.8:
36	36	break
37	37	logger.debug(f'Student {self.student}: new_topic({topic})')
38	38
...	...	@@ -42,6 +42,8 @@ class Knowledge(object):
42	42	self.questions = self.generate_questions_for_topic(topic)
43	43	self.current_question = None
44	44	self.finished_questions = []
	45	+ self.correct_answers = 1
	46	+ self.wrong_answers = 0
45	47
46	48	# ------------------------------------------------------------------------
47	49	def generate_questions_for_topic(self, topic):
...	...	@@ -85,7 +87,7 @@ class Knowledge(object):
85	87	# keep going if there are no questions in the next topics
86	88	while not self.questions:
87	89	self.state[self.current_topic] = {
88		- 'level': 1.0, # FIXME depends on how many are correct
	90	+ 'level': self.correct_answers / (self.correct_answers + self.wrong_answers),
89	91	'date': datetime.now()
90	92	}
91	93	self.new_topic()
...	...	@@ -103,8 +105,12 @@ class Knowledge(object):
103	105	question = self.current_question
104	106	if question is not None:
105	107	question['finish_time'] = datetime.now()
106		- question.correct(answer)
	108	+ grade = question.correct(answer)
	109	+ if grade > 0.9:
	110	+ self.correct_answers += 1
	111	+ else:
	112	+ self.wrong_answers +=1
107	113
108		- logger.debug(f'Student {self.student}: check_answer({answer}) = {question["grade"]}')
	114	+ logger.debug(f'Student {self.student}: check_answer({answer}) = {grade}')
109	115
110	116	return question
...	...