Выставляется препод к курсу

courses/migrations/0007_lesson_materials.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2018-05-10 17:46
+from __future__ import unicode_literals
+
+import courses.models
+import django.contrib.postgres.fields
+from django.db import migrations, models
+import lms.tools
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0006_auto_20180323_1743'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='lesson',
+            name='materials',
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.FileField(upload_to=courses.models.upload_material, verbose_name='Материал к уроку'), default=lms.tools.get_empty_list, size=None, verbose_name='Материалы к уроку'),
+        ),
+    ]

courses/models.py

@@ -25,8 +25,8 @@ COURSE_DIRECTION = (
 )
 
 
-def content_file_name(instance, filename):
-    return '/'.join(['course', instance.topic.course.token, instance.topic.id, instance.token, filename])
+def upload_material(instance, filename):
+    return '/'.join(['materials', str(instance.topic.course.token), str(instance.topic.id), str(instance.token), filename])
 
 
 class Lesson(models.Model):
@@ -38,7 +38,7 @@ class Lesson(models.Model):
     description = models.TextField(verbose_name='Описание', blank=True, null=True)
     video = models.TextField(verbose_name='Код видео', blank=True, null=True)
     materials = ArrayField(
-        models.FileField(verbose_name="Материал к уроку", upload_to=content_file_name),
+        models.FileField(verbose_name="Материал к уроку", upload_to=upload_material),
         verbose_name="Материалы к уроку",
         default=get_empty_list,
     )

courses/views.py

@@ -1,10 +1,15 @@
+import base64
+
+import os
 from jwt import DecodeError
 from rest_framework.parsers import MultiPartParser
 
-from courses.models import Course, Lesson, Topic
+from courses.models import Course, Lesson, Topic, upload_material
 from rest_framework.renderers import JSONRenderer, BrowsableAPIRenderer
 from rest_framework.response import Response
 from rest_framework.views import APIView
+from django.core.files.storage import default_storage
+from django.core.files.base import ContentFile
 
 from courses.serializers import CourseDetailSerializer, CourseTreeSerializer, LessonSerializer, TeacherLessonSerializer
 import jwt
@@ -106,6 +111,7 @@ class UpdateLessonView(APIView):
         title = request.POST.get('title', None)
         description = request.POST.get('description', None)
         video = request.POST.get('video', None)
+        materials_url = request.POST.get('materials_url', '')
         free = self.bool_transformer(request.POST.get('free', None))
         is_hm = self.bool_transformer(request.POST.get('is_hm', None))
 
@@ -147,6 +153,16 @@ class UpdateLessonView(APIView):
                 lesson.sort = lesson.sort + 1
                 lesson.save()
             l.sort = sort
+
+        materials = list(l.materials)
+        if not materials_url == '':
+            materials = base64.b64decode(materials_url).decode("utf-8").split(',')
+        for key in request.FILES:
+            f = request.FILES[key]
+            path = default_storage.save(upload_material(l, f.name), ContentFile(f.read()))
+            materials.append(path)
+
+        l.materials = materials
         l.save()
 
         return Response(CourseTreeSerializer(topic.course).data, status=200)

finance/views.py

@@ -357,7 +357,7 @@ def get_invoices(request):
     file_name = file_name + "__from_%s" % date_from if date_from else file_name
     file_name = file_name + "__to_%s" % date_to if date_to else file_name
 
-    invoices = Invoice.objects.filter(method="Y", status="F")
+    invoices = Invoice.objects.filter(status="F")
     invoices = invoices.filter(yandex_pay__performed_datetime__lt=date_to) if date_to else invoices
     invoices = invoices.filter(yandex_pay__performed_datetime__gte=date_from) if date_from else invoices