Create a new `ClubStatistics` class to store data

This will allow to make the location/views.py file more readable

src/location/views.py

@@ -153,6 +153,21 @@ def chooseStatistics(request):
     return render(request, "club_statistics.html", context)
 
 
+class GymnastStatistics():
+    def __init__(self, gymnast):
+        self.gymnast = gymnast
+        self.number_of_courses_by_week = 0
+        self.number_of_hours_by_week = timedelta()
+        self.number_of_trainings = 0
+        self.number_of_attendance = 0
+        self.number_of_absences = 0
+        self.number_of_training_hours = 0
+        self.number_of_attendance_hours = timedelta()
+        self.percentage_of_attendance = 0
+        self.number_of_hours_of_absence = 0
+        self.percentage_of_absence = 0
+
+
 @login_required
 def club_statistics(request, clubid):
     """
@@ -172,6 +187,7 @@ def club_statistics(request, clubid):
     gymnastsDict = {}
     gymnasts = []
     courseList = []
+
     for course in courses:
         nbtrainer = course.trainers.count()
         list_of_gymnasts = Gymnast.objects.filter(to_gym__in=course.to_subgroup.all())
@@ -215,43 +231,25 @@ def club_statistics(request, clubid):
         )
 
         for gymnast in list_of_gymnasts:
-            # print(gymnast)
-            if gymnast.id not in gymnastsDict:
-                gymnastsDict[gymnast.id] = {
-                    "gymnast": gymnast,
-                    "nbcoursebyweek": 0,
-                    "nbhourbyweek": timedelta(),
-                    "nbtraining": 0,
-                    "nbattendance": 0,
-                    "nbabsence": 0,
-                    "nbhourtraining": 0,
-                    "nbhourattendance": timedelta(),
-                    "percentageattendance": 0,
-                    "nbhourabsence": 0,
-                    "percentageabsence": 0,
-                }
 
-            attendanceList = Training.objects.filter(course=course, gymnast=gymnast)
-            nbattendance = len(attendanceList)
+            gymnast_stats = gymnastsDict.setdefault(gymnast.id, GymnastStatistics(gymnast))
 
-            # print(str(gymnast) + ' : ' + str(nbattendance) + ' for ' + str(course) )
+            attendance_list = Training.objects.filter(course=course, gymnast=gymnast)
+            number_of_attendance = attendance_list.count()
 
-            gymnastsDict[gymnast.id]["nbcoursebyweek"] += 1
-            gymnastsDict[gymnast.id]["nbhourbyweek"] += nbhour  # timedelta
-            gymnastsDict[gymnast.id]["nbtraining"] += counted
-            gymnastsDict[gymnast.id]["nbattendance"] += nbattendance
-            gymnastsDict[gymnast.id]["nbhourtraining"] += totalHourForCourse
-            gymnastsDict[gymnast.id]["nbhourattendance"] += (
-                nbhour * nbattendance
-            )  # timedelta
-
-            # print(gymnastsDict[gymnast.id])
+            gymnast_stats.number_of_courses_by_week += 1
+            gymnast_stats.number_of_hours_by_week += nbhour
+            gymnast_stats.number_of_trainings += counted
+            gymnast_stats.number_of_attendance += number_of_attendance
+            gymnast_stats.number_of_training_hours += totalHourForCourse
+            gymnast_stats.number_of_attendance_hours += (
+                nbhour * number_of_attendance
+            )
 
     # tous les cours ont été traités
     totalHoursByWeek = totalHoursByWeek / 3600
 
     gymnasts = set(gymnasts)
-    # print(gymnasts)
 
     for gymnast in gymnasts:
         tmp = int(gymnastsDict[gymnast.id]["nbhourbyweek"].seconds / 3600)