From d24f35f6b0485599fc8212f53738d3832eb474ee Mon Sep 17 00:00:00 2001
From: Andrey <andrey.korolev@skillbox.ru>
Date: Fri, 27 Apr 2018 15:49:40 +0300
Subject: [PATCH] stat part 1

---
 finance/tasks.py  |  1 -
 lms/celery.py     |  5 ++++-
 progress/tasks.py | 52 ++++++++++++++++++++++++++++++++++++++++++++++-
 progress/views.py |  2 +-
 4 files changed, 56 insertions(+), 4 deletions(-)

diff --git a/finance/tasks.py b/finance/tasks.py
index a85c55f..23919e3 100644
--- a/finance/tasks.py
+++ b/finance/tasks.py
@@ -1,4 +1,3 @@
-import logging
 import os
 
 import requests
diff --git a/lms/celery.py b/lms/celery.py
index 4f9d66d..69ccdf8 100644
--- a/lms/celery.py
+++ b/lms/celery.py
@@ -21,9 +21,12 @@ register_signal(client)
 
 app.conf.beat_schedule = {
     'periodic_billing': {
-        # 'schedule': crontab(day_of_month='1', hour='1', minute='1'),  # заглушка на время отладки
         'schedule': crontab(minute='0', hour='*/3',),
         'task': 'finance.tasks.periodic_billing'
+    },
+    'statistic_teachers': {
+        'schedule': crontab(hour=16, minute=0,),
+        'task': 'progress.tasks.statistic_teachers'
     }
 }
 
diff --git a/progress/tasks.py b/progress/tasks.py
index 4a9a363..5505c4a 100644
--- a/progress/tasks.py
+++ b/progress/tasks.py
@@ -1,6 +1,16 @@
-from courses.api import CourseProgressApi
+from dateutil.relativedelta import relativedelta
+
+from courses.api import CourseProgressApi, CourseParamsApi
 from progress.models import ProgressLesson
 
+from django.utils import timezone
+import os
+import csv
+
+from lms import celery_app
+from django.conf import settings
+from django.core.mail import EmailMessage
+
 
 def add_next_lesson(progress):
     lesson_list = CourseProgressApi.get_next(
@@ -25,3 +35,43 @@ def add_next_lesson(progress):
             )
 
     return pl
+
+
+@celery_app.task
+def statistic_teachers():
+    file_dir = "%s/analytics/teachers/" % (settings.MEDIA_ROOT,)
+    os.makedirs(os.path.dirname(file_dir), exist_ok=True)
+    path = '%s%s' % (file_dir, timezone.now().strftime('%Y-%m-%d__%H-%M'))
+
+    progresses = ProgressLesson.objects.filter(status='wait')
+
+    with open(path, 'w') as csv_file:
+        csv_writer = csv.writer(csv_file)
+        csv_writer.writerow(
+            ['Курс', 'Препод', 'Ранее', '6 Дней', '5 Дней', "4 Дня", "3 Дня", "2 Дня", "Вчера", "Сегодня"])
+        for i in progresses.values('progress__teacher__email', 'progress__course_token').distinct():
+            row = []
+            course_token = i['progress__course_token']
+            teacher_email = i['progress__teacher__email']
+            progresses_sub = progresses.filter(progress__course_token=course_token, progress__teacher__email=teacher_email)
+
+            row.append(CourseParamsApi(course_token).get_slug_and_title()['title'])
+            row.append(teacher_email)
+            row.append(progresses_sub.filter(last_update__lt=(timezone.now() - relativedelta(days=7))).count())
+            for j in range(7):
+                from_d = timezone.now() - relativedelta(days=(7 - j))
+                to_d = timezone.now() - relativedelta(days=(6 - j))
+                row.append(progresses_sub.filter(last_update__gte=from_d, last_update__lt=to_d).count())
+
+            csv_writer.writerow(row)
+
+    message = EmailMessage(
+        'Выгрузка по преподам.',
+        'Файл приложен',
+        'robo@skillbox.ru',
+        [settings.SUPPORT_EMAIL,],
+        ['andrey.korolev@skillbox.ru',],
+        reply_to=['andrey.korolev@skillbox.ru'],
+    )
+    message.attach_file(path)
+    message.send()
diff --git a/progress/views.py b/progress/views.py
index e70e22e..3073fce 100644
--- a/progress/views.py
+++ b/progress/views.py
@@ -203,7 +203,7 @@ class TeacherUpdateProgress(APIView):
 
             res = {"current": ProgressLessonSerializer(pv).data}
             if pv.status == ProgressLesson.STATUSES.done:
-                # TODO: Ассинхроннаязадача для celery
+                # TODO: Ассинхронная задача для celery
                 res['next'] = ProgressLessonSerializer(add_next_lesson(p)).data
 
             return Response(res, status=200)