From 7af12cdf96db79df750b528dda34813b887d7089 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Denis=20Rodrigues?= <joao.denisr@gmail.com>
Date: Mon, 7 Aug 2017 11:54:44 -0300
Subject: [PATCH] Fix cache student + funcoes disciplinas
---
src/course/analysis.py | 103 +++++++++++++++++++++++++++++++++++++++++
src/script.py | 2 +-
src/student/models.py | 2 +
src/utils/data.py | 35 ++++++++++++++
4 files changed, 141 insertions(+), 1 deletion(-)
diff --git a/src/course/analysis.py b/src/course/analysis.py
index e69de29..290047f 100644
--- a/src/course/analysis.py
+++ b/src/course/analysis.py
@@ -0,0 +1,103 @@
+from __future__ import division
+from student.models import Student
+from klass.models import *
+from admission.models import Admission
+from course.models import *
+from degree.models import *
+from datetime import datetime
+from student.analysis import *
+
+import math
+
+def average_grade(klasses): # calcular_nota_media(turmas)
+ grade = 0
+ amount_student = 0
+ for klass in klasses:
+ student_klasses = StudentKlass.objects.filter(klass = klass,
+ situation__in = SITUATION_COURSE_VALID_GRADE)
+ for student_klass in student_klasses:
+ if student_klass.grade is not None:
+ grade += student_klass.grade
+ amount_student += 1
+
+ if amount_student == 0:
+ return -1
+ else:
+ return grade / amount_student
+
+def average_grade_standard_deviation(klasses): # calcular_nota_media_desvio_padrao
+ average_grade = average_grade(klasses)
+ amount_student = 0
+ variance = 0
+ for klass in klasses:
+ student_klasses = StudentKlass.objects.filter(klass = klass,
+ situation__in = SITUATION_COURSE_VALID_GRADE)
+ for student_klass in student_klasses:
+ if student_klass.grade is not None:
+ variance += math.pow(student_klass.grade - average_grade, 2)
+ amount_student += 1
+
+ if amount_student == 0:
+ return -1
+
+ standard_deviation = math.sqrt(variance/amount_student)
+ return (average_grade, standard_deviation)
+
+def average_grade_last_year(klasses): # calcular_nota_media_ultimo_ano
+ grades = 0
+ amount_student = 0
+ now = datetime.now()
+ for klass in klasses:
+ if klass.year == (now.year - 1):
+ student_klasses = StudentKlass.objects.filter(klass = klass)
+ for student_klass in student_klasses:
+ if student_klass.grade is not None:
+ grades += student_klass.grade
+ amount_student += 1
+
+ if amount_student == 0:
+ return -1
+
+ return grades / student_amount
+
+def average_grade_last_year_standard_deviation(klasses): # calcular_nota_media_ultimo_ano_desvio_padrao
+ average_grade = average_grade_last_year(klasses)
+ if average_gradde == -1:
+ return (-1, -1)
+ amount_student = 0
+ variance = 0
+ now = datetime.now()
+ for klass in klasses:
+ if klass.year == (now.year - 1):
+ student_klasses = StudentKlass.objects.filter(klass = klass)
+ for student_klass in student_klasses:
+ if student_klass.grade is not None:
+ variance += math.pow(student_klass.grade - average_grade, 2)
+ amount_student += 1
+
+ if amount_student == 0:
+ return (-1,-1)
+
+ standard_deviation = math.sqrt(variance / amount_student)
+
+ return (average_grade, standard_deviation)
+
+#def absolute_pass_rate(klasses): # calcular_taxa_reprovacao_absoluta
+
+def frequency_failure(klasses): # calcular_taxa_reprovacao_frequencia
+ amount_failure = 0
+ amounte_student = 0
+ for klass in klasses:
+ student_klasses = StudentKlass.objects.filter(klass = klass)
+ for student_klass in student_klasses:
+ if student_klass.situation is not None:
+ if student.situation == "Reprovado por Frequência":
+ amount_failure += 1
+ amount_student += 1
+
+ if amount_student == 0:
+ return -1
+
+ amount_failure *= 100
+ return amount_failure / amount_student
+
diff --git a/src/script.py b/src/script.py
index 0338532..66c9131 100644
--- a/src/script.py
+++ b/src/script.py
@@ -108,7 +108,7 @@ def generate_student_data(degree, path):
for student in students:
student_klasses = StudentKlass.objects.filter(student=student)
- amount_courses_semester = get_student_courses_completed(student_klasses)
+ amount_courses_semester = get_amount_courses_completed(student)
failures_semester = semester_pass_rate(student)
failures_amount_courses_semester = merge_dicts(
['reprovacoes', 'cursadas'],
diff --git a/src/student/models.py b/src/student/models.py
index 4ecb711..77db826 100644
--- a/src/student/models.py
+++ b/src/student/models.py
@@ -17,6 +17,8 @@ class Student(models.Model):
klasses = models.ManyToManyField('klass.Klass', through = 'klass.StudentKlass')
def get_time_in_degree(self):
+ year_end = self.admission.degree.report_year
+ semester_end = self.admission.degree.report_semester
if self.evasion_year is not None:
year_end = self.evasion_year
if self.evasion_semester is None:
diff --git a/src/utils/data.py b/src/utils/data.py
index 32a9082..b00244c 100644
--- a/src/utils/data.py
+++ b/src/utils/data.py
@@ -87,6 +87,41 @@ SITUATION_FAILURE_COMPLETED = ( # Situacoes reprovacao cursada ate o fim
u'Reprovado sem nota',
)
+SITUATION_COURSES_VALID = (
+ u'Reprovado por nota',
+ u'Aprovado',
+ u'Reprovado por Frequência',
+ u'Reprovado sem nota',
+ u'Equivalência de Disciplina',
+ u'Aprovado Conhecimento',
+ u'Reprovado Conhecimento',
+ u'Aprovado Adiantamento',
+ u'Horas',
+ u'Dispensa de Disciplinas (com nota)',
+ u'Dispensa de Disciplinas (sem nota))',
+ u'MatrÃcula',
+)
+
+SITUATION_COURSES_LOCKED = (
+ u'Cancelado',
+ u'Trancamento Total',
+ u'Trancamento Administrativo',
+)
+
+SITUATION_COURSES_VALID_GRADE = (
+ u'Reprovado por nota',
+ u'Aprovado',
+ u'Reprovado por Frequência',
+ u'Reprovado sem nota',
+ u'Equivalência de Disciplina',
+ u'Aprovado Conhecimento',
+ u'Reprovado Conhecimento',
+ u'Aprovado Adiantamento',
+ u'Horas',
+ u'Dispensa de Disciplinas (com nota)',
+ u'Dispensa de Disciplinas (sem nota))',
+)
+
def difference_between_semesters(year_start, semester_start, year_end, semester_end):
return 2 * (year_end - year_start) + (semester_end - semester_start) + 1
--
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