Бекап перед переходом в принципиально новую систему

_utils/gen_diploms.py

@@ -1,7 +1,6 @@
 # coding=utf-8
 import os
 from django.core.files import File
-import datetime
 import django
 import sys
 
@@ -10,7 +9,6 @@ from django.db.models import Q
 sys.path.append("/var/www/projects/lms/")
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
 django.setup()
-from courses.models import Diploma, User
 from journals.models import DiplomaJ
 
 for tm in DiplomaJ.objects.filter(Q(in_image=None)|Q(out_image=None)):
@@ -20,7 +18,6 @@ for tm in DiplomaJ.objects.filter(Q(in_image=None)|Q(out_image=None)):
             _in = open(_in)
         tm.in_image.save(File(_in).name, File(_in), save=True)
 
-
         if _out:
             _out = open(_out)
         tm.out_image.save(File(_out).name, File(_out), save=True)

access/access_update.py

@@ -1,12 +1,77 @@
 import os, sys
-import django, json
+import django
 
 sys.path.append("../")
 os.environ['PG_PORT_5432_TCP_ADDR'] = '127.0.0.1'
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
 django.setup()
 
-from access.models import Privilege
+from access.models import ActiveObject
+from courses.models import Vertex, Lesson, Homework, Exam
+from journals.models import TeacherJ, LessonJ, HomeworkJ, ExamJ
+from finance.models import Bill
+from django.contrib.auth import get_user_model
+
+
+def get_first(course,):
+    l = Lesson.objects.filter(course=course).order_by('sort')
+    hw = Homework.objects.filter(course=course).order_by('sort')
+    e = Exam.objects.filter(course=course).order_by('sort')
+    try:
+        old_id = 'l_' + str(l[0].id) if l.exists() else ('h_' + str(hw[0].id) if hw.exists() else 'e_' + str(e[0].id))
+        return Vertex.manager.get(old_id=old_id)
+    except IndexError:
+        return None
 
 if __name__ == '__main__':
-    Privilege
+    for user in get_user_model().objects.all():
+        bills = Bill.objects.filter(user=user, status='F')
+        if bills.exists():
+            for i in bills:
+                try:
+                    tj = TeacherJ.objects.get(course=i.service.course, student=user)
+                    if tj.status == 'F':
+                        ActiveObject.objects.create(course=i.service.course, user=user, success=True)
+                    else:
+                        lesson = LessonJ.objects.filter(parent__parent=tj, success=True, student=tj.student)
+                        homework = HomeworkJ.objects.filter(parent__parent=tj, success=True, student=tj.student)
+                        exam = ExamJ.objects.filter(parent__parent=tj, success=True, student=tj.student)
+
+                        lesson = lesson.order_by('-material__sort', '-parent__material__sort')[0] if lesson.exists() else None
+                        homework = homework.order_by('-material__sort', '-parent__material__sort')[0] if homework.exists() else None
+                        exam = exam.order_by('-material__sort', '-parent__material__sort')[0] if exam.exists() else None
+
+                        lesson_p = lesson.parent.material.sort if lesson else 0
+                        homework_p = homework.parent.material.sort + 0.5 if homework else 0
+                        exam_p = exam.parent.material.sort + 0.75 if exam else 0
+
+                        obj = (lesson_p > homework_p and lesson_p > exam_p and 'l_' + str(lesson.material.id)) or \
+                              (homework_p > exam_p and 'h_' + str(homework.material.id)) or \
+                              (exam and 'e_' + str(exam.material.id)) or\
+                              None
+
+                        if not obj:
+                            active_obj = get_first(i.service.course)
+                            if active_obj:
+                                ActiveObject.objects.create(
+                                    course=i.service.course,
+                                    user=user,
+                                    active_obj=active_obj,
+                                )
+
+                        else:
+                            vertex = Vertex.manager.get(old_id=obj)
+                            ActiveObject.objects.create(
+                                course=i.service.course,
+                                user=user,
+                                active_obj=vertex.get_next()
+                            )
+
+                except TeacherJ.DoesNotExist:
+                    active_obj = get_first(i.service.course)
+                    if active_obj:
+                        ActiveObject.objects.create(
+                            course=i.service.course,
+                            user=user,
+                            active_obj=active_obj,
+                        )

access/admin.py

@@ -1,9 +1,13 @@
 from django.contrib import admin
 from access.models import User, Subscription, ActionJ, TrafSource, TrafHistory, TrafTokenHistory, Questionnaire, \
-    UserRequest, UserRequestData, Document#, UserSync
+    UserRequest, UserRequestData, Document, ActiveObject, ExtraPrivilege
 from django.contrib.auth.admin import Group
 
 
+admin.site.register(ExtraPrivilege)
+admin.site.register(ActiveObject)
+
+
 class UserAdmin(admin.ModelAdmin):
     list_filter = ['in_role', 'refer', 'date_joined', 'last_time',  'status', 'customer']
     list_display = ('id', 'email', 'is_active', 'fname', 'name', 'reg_status', 'phone', 'refer', 'date_joined', 'status', )

access/migrations/0094_auto_20170929_1026.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-09-29 10:26
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0048_auto_20170929_1026'),
+        ('access', '0093_auto_20170928_1625'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ActiveObject',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('active_obj', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='courses.Vertex', verbose_name='Активный объект')),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='courses.Course', verbose_name='Курс')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Студент')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ExtraPrivilege',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_done', models.BooleanField(default=False, verbose_name='Выполнено?')),
+                ('subject', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='courses.Vertex', verbose_name='Объект')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Правообладатель')),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='privilege',
+            name='subject',
+        ),
+        migrations.RemoveField(
+            model_name='privilege',
+            name='user',
+        ),
+        migrations.DeleteModel(
+            name='Privilege',
+        ),
+    ]

access/migrations/0095_auto_20170929_1545.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-09-29 15:45
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('access', '0094_auto_20170929_1026'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='activeobject',
+            name='success',
+            field=models.BooleanField(default=False, verbose_name='Завершён ли курс'),
+        ),
+        migrations.AlterField(
+            model_name='activeobject',
+            name='active_obj',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='courses.Vertex', verbose_name='Активный объект'),
+        ),
+    ]

access/models.py

@@ -7,7 +7,7 @@ import datetime
 
 from django.db.models import SET_NULL
 
-from courses.models import Vertex
+from courses.models import Vertex, Course
 from lms.regex import check_email
 from lms.settings import STATIC_ROOT, DOMAIN
 from lms.tools import random_string, random_int, out_date_format, get_client_ip
@@ -627,13 +627,24 @@ class Questionnaire(models.Model):
 
 
 # Новое API
+class ActiveObject(models.Model):
+    user = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name=u'Студент')
+    course = models.ForeignKey(to=Course, verbose_name=u'Курс')
+    active_obj = models.ForeignKey(to=Vertex, verbose_name=u'Активный объект', blank=True, null=True)
+    success = models.BooleanField(default=False, verbose_name=u'Завершён ли курс')
 
-class Privilege(models.Model):
-    TYPES = (
-        ('r', 'Доступно для выполнению'),
-        ('w', 'Ждёт ответа'),
-        ('d', 'Выполнено'),
+    def __str__(self):
+        return u'%s %s %s' % (
+            self.user.email,
+            ('завершил курс' if self.success else 'в процессе изучения курса'),
+            self.course.title,
         )
+
+    def is_access(self, vertex):
+        return not vertex.is_more(self.active_obj)
+
+
+class ExtraPrivilege(models.Model):
     user = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name=u'Правообладатель')
-    value = models.CharField(verbose_name=u'Права', choices=TYPES, max_length=1, default='r')
+    is_done = models.BooleanField(default=False, verbose_name=u'Выполнено?')
     subject = models.ForeignKey(to=Vertex, verbose_name=u'Объект')

access/serializers.py

@@ -1,5 +1,6 @@
 from django.contrib.auth import get_user_model
 from rest_framework import serializers
+from access.models import ExtraPrivilege
 
 
 class UserInitSerializer(serializers.ModelSerializer):
@@ -13,3 +14,9 @@ class UserInitSerializer(serializers.ModelSerializer):
     @staticmethod
     def get_in_role(self):
         return self.get_in_role_display()
+
+
+class ExtraPrivilegeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ExtraPrivilege
+        exclude = ('user',)

courses/course_update.py

@@ -8,6 +8,13 @@ django.setup()
 
 from courses.models import Course, NormalMap, CourseTheme, Lesson, Homework, Exam, Vertex
 
+
+def get_url(frame):
+    frame = frame[frame.find('src=')+5:]
+    url = frame[:frame.find('\"')]
+    return url
+
+
 if __name__ == '__main__':
     for course in Course.objects.all():
         course_list = []
@@ -19,10 +26,12 @@ if __name__ == '__main__':
                 description=theme.description,
                 model='topic',
                 icon=theme.icon,
+                old_id='t_' + str(theme.id),
             )
             course_list.append(topic_vertex.id)
 
             topic_list = []
+            pay_lesson_exist = False
 
             for i in Lesson.objects.filter(theme=theme).order_by('sort'):
                 on_comment = i.on_comment == 'N' or i.on_comment == 'T' and i.theme.on_comment
@@ -32,9 +41,12 @@ if __name__ == '__main__':
                     description=i.description,
                     model='tutorial',
                     on_comment=on_comment,
-                    video=i.video,
+                    video=get_url(i.video),
                     materials=i.materials.all(),
+                    free=i.free,
+                    old_id='l_' + str(i.id),
                 )
+                pay_lesson_exist = pay_lesson_exist or not i.free
                 topic_vertex.children.add(vertex)
                 topic_list.append(vertex.id)
 
@@ -46,6 +58,8 @@ if __name__ == '__main__':
                     model='task',
                     is_exam=False,
                     materials=i.materials.all(),
+                    free=not pay_lesson_exist,
+                    old_id='h_' + str(i.id),
                 )
                 topic_vertex.children.add(vertex)
                 topic_list.append(vertex.id)
@@ -58,10 +72,15 @@ if __name__ == '__main__':
                     model='task',
                     is_exam=True,
                     materials=i.materials.all(),
+                    free=not pay_lesson_exist,
+                    old_id='e_' + str(i.id),
                 )
                 topic_vertex.children.add(vertex)
                 topic_list.append(vertex.id)
 
+            topic_vertex.free = not pay_lesson_exist
+            topic_vertex.save()
+
             course_list.append(topic_list)
 
         course_map, _is_create = NormalMap.objects.get_or_create(course=course)

courses/migrations/0048_auto_20170929_1026.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-09-29 10:26
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0047_auto_20170928_1625'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vertex',
+            name='free',
+            field=models.BooleanField(default=True, verbose_name='Привилегии для узла не будут проверяться'),
+        ),
+    ]

courses/migrations/0049_auto_20171002_1841.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-02 18:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0048_auto_20170929_1026'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vertex',
+            name='old_id',
+            field=models.CharField(default='', max_length=10, verbose_name='Поле создаётся на время миграции'),
+            preserve_default=False,
+        ),
+    ]

courses/models.py

@@ -6,6 +6,7 @@ from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from redactor.fields import RedactorField
+import json
 
 from courses.templates import search_in_collection, LEVELS_COLLECTION, MATERIAL_TYPE_COLLECTION, material_fabric, \
     comment_fabric
@@ -78,7 +79,8 @@ class Course(models.Model):
     slug = models.SlugField(max_length=255, editable=False, blank=True, default='', unique=True)
     icon = models.ImageField(verbose_name=u'Иконка курса', blank=True, null=True, upload_to='course')
     direction = models.ForeignKey(MaterialDirection, verbose_name=u'Направление', null=True)
-    mentors = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Кураторы', blank=True, related_name='course_mentors')
+    mentors = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Кураторы', blank=True,
+                                     related_name='course_mentors')
     public = models.BooleanField(verbose_name=u'Опубликовать', default=False)
     title = models.CharField(verbose_name=u"Заголовок", max_length=255)
     description = RedactorField(verbose_name=u'Описание', blank=True)
@@ -88,7 +90,8 @@ class Course(models.Model):
                                          help_text=u'Большая картинка для мобильной версии')
     page = models.URLField(verbose_name=u'Страничка описания', blank=True, default='')
     preview = models.CharField(verbose_name=u'Трэйл', blank=True, default='', max_length=255)
-    teachers = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Преподаватели', related_name='course_teachers')
+    teachers = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Преподаватели',
+                                      related_name='course_teachers')
     sort = models.IntegerField(verbose_name=u'Порядок сортировки', default=0)
     use_fail = models.BooleanField(verbose_name=u'Использовать фейковую информацию', default=False)
     basic_len = models.IntegerField(verbose_name=u'Основных модулей', default=0)
@@ -100,13 +103,42 @@ class Course(models.Model):
     recommend = models.ManyToManyField('self', verbose_name=u'Связанные курсы', blank=True,
                                        help_text=u'Курсы, которые стоит порекомендовать вместе с этим')
 
-
     def __str__(self):
         return self.title
 
     def __unicode__(self):
         return u"%s" % self.title
 
+    def get_tree(self, serializer):
+        """
+            Способ отображения дочерних элементов.
+            Принимает на вход сериалайзер узла
+        """
+        course_map = json.loads(NormalMap.objects.get(course=self).dependent_elements)
+
+        def helper(tree_id):
+            acc = []
+            for j, i in enumerate(tree_id):
+                if type([]) == type(i):
+                    acc[-1]['children'] = helper(i)
+                else:
+                    acc.append(serializer(Vertex.manager.get(id=i)).data)
+            return acc
+
+        return helper(course_map)
+
+    def get_statistic(self):
+        """
+            Минималистичная статистика по уроку,
+            количество тем, уроков, домашек.
+        """
+
+        topic_count = Vertex.manager.filter(course=self, content_type__model='topic').count()
+        task_count = Vertex.manager.filter(course=self, content_type__model='task').count()
+        tutorial_count = Vertex.manager.filter(course=self, content_type__model='tutorial').count()
+
+        return {"topic_count": topic_count, "tutorial_count": tutorial_count, "task_count": task_count}
+
     def get_direction(self):
         return self.direction if self.direction else ''
 
@@ -347,7 +379,8 @@ class Lesson(models.Model):
         ('T', 'Подчиняется теме')
     )
     free = models.BooleanField(verbose_name=u'Бесплатное видео', default=False)
-    on_comment = models.CharField(verbose_name=u'Блок комментариев', default='T', choices=COMMENT_SWITCH, help_text=u'{0}/management/faq/37'.format(DOMAIN), max_length=1)
+    on_comment = models.CharField(verbose_name=u'Блок комментариев', default='T', choices=COMMENT_SWITCH,
+                                  help_text=u'{0}/management/faq/37'.format(DOMAIN), max_length=1)
     token = models.CharField(verbose_name=u'Токен доступа', default='', blank=True, max_length=100, editable=False)
     title = models.TextField(verbose_name=u'Заголовок', blank=True)
     sort = models.IntegerField(verbose_name=u'Текущая сортировка', default=1)
@@ -436,10 +469,12 @@ class Homework(models.Model):
     sort = models.IntegerField(verbose_name=u'Текущая сортировка', default=1)
 
     def __unicode__(self):
-        return u'%s ID: %s Тема: %s Порядок темы: %s' % (self.course.get_title(), self.id, self.theme.title, self.theme.sort)
+        return u'%s ID: %s Тема: %s Порядок темы: %s' % (
+            self.course.get_title(), self.id, self.theme.title, self.theme.sort)
 
     def __str__(self):
-        return '%s ID: %s Тема: %s Порядок темы: %s' % (self.course.get_title(), self.id, self.theme.title, self.theme.sort)
+        return '%s ID: %s Тема: %s Порядок темы: %s' % (
+            self.course.get_title(), self.id, self.theme.title, self.theme.sort)
 
     def get_skills(self):
         # Получить скилы темы
@@ -500,7 +535,8 @@ class Exam(models.Model):
     course = models.ForeignKey(Course, verbose_name=u'Курс', null=True)
     theme = models.ForeignKey(CourseTheme, verbose_name=u'Тема курса', null=True)
     description = RedactorField(verbose_name=u'Описание для студентов')
-    materials = models.ManyToManyField(Storage, verbose_name=u'Материалы экзамена', related_name='exam_materials', blank=True)
+    materials = models.ManyToManyField(Storage, verbose_name=u'Материалы экзамена', related_name='exam_materials',
+                                       blank=True)
 
     def __str__(self):
         return '%s' % self.course
@@ -1021,18 +1057,52 @@ class Topic(models.Model):
 class VertexManager(models.Manager):
     # Менеджер вершин графа.
 
-    def create_with_dependencies(self, model, course, title, description,
-                                 materials=None, **kwargs):
+    def create_with_dependencies(self, model, course, old_id, title, description,
+                                 free=True, materials=None, **kwargs):
         content_type = ContentType.objects.get(app_label='courses', model=model)
-        obj = content_type.model_class().objects.create(**kwargs)
+        obj, _is_create = content_type.model_class().objects.update_or_create(**kwargs)
         [obj.materials.add(i) for i in materials] if materials else None
-        return self.create(
+        res, _is_create = self.update_or_create(
             content_type=content_type,
             object_id=obj.id,
             course=course,
             title=title,
             description=description,
+            free=free,
+            old_id=old_id,
         )
+        return res
+
+
+class NormalMap(models.Model):
+    """
+    Так как курс евляется связным графом мы можем отобразить его бесконечным количеством способов,
+    а нам нужен один самый красивый, мы должный в явном виде указать способ отображения.
+    """
+    course = models.OneToOneField(to=Course)
+    dependent_elements = models.TextField(default='[]')
+    independent_elements = models.TextField(default='[]')
+
+    def map_to_list(self) -> list:
+        def helper(root_list):
+            res = []
+            for i in root_list:
+                if type(i) == type([]):
+                    res += helper(i)
+
+                else:
+                    res.append(i)
+
+            return res
+
+        return helper(json.loads(self.dependent_elements))
+
+    def get_next(self, vertex_id) -> str:
+        res_list = self.map_to_list()
+        try:
+            return res_list[res_list.index(vertex_id)]
+        except ValueError:
+            raise ValueError("vertex_id " + str(vertex_id) + " not in list " + ",".join(res_list))
 
 
 class Vertex(models.Model):
@@ -1045,12 +1115,14 @@ class Vertex(models.Model):
 
     course = models.ForeignKey(to=Course)
     title = models.CharField(verbose_name=u'Название', max_length=255)
+    free = models.BooleanField(default=True, verbose_name=u'Привилегии для узла не будут проверяться')
     description = models.TextField(
         verbose_name=u'Описание', default='', blank=True, null=True)
     children = models.ManyToManyField(to='Vertex', blank=True)
     content_type = models.ForeignKey(to=ContentType)
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey('content_type', 'object_id')
+    old_id = models.CharField(max_length=10, verbose_name='Поле создаётся на время миграции')
 
     manager = VertexManager()
 
@@ -1060,12 +1132,12 @@ class Vertex(models.Model):
     def get_type(self):
         return self.content_type.__str__()
 
-
-class NormalMap(models.Model):
-    """
-    Так как курс евляется связным графом мы можем отобразить его бесконечным количеством способов,
-    а нам нужен один самый красивый, мы должный в явном виде указать способ отображения.
-    """
-    course = models.OneToOneField(to=Course)
-    dependent_elements = models.TextField(default='[]')
-    independent_elements = models.TextField(default='[]')
+    def get_next(self):
+        vertex_id = NormalMap.objects.get(course=self.course).get_next(self.id)
+        return Vertex.manager.get(id=int(vertex_id), )
+
+    def is_more(self, vertex) -> bool:
+        if not self.course == vertex.course:
+            raise ValueError('Vertexes of different course')
+        course_map = NormalMap.objects.get(course=self.course)
+        return course_map.map_to_list().index(self.id) > course_map.map_to_list().index(vertex.id)

courses/new_urls.py

@@ -4,7 +4,7 @@ from courses import new_view as views
 urlpatterns = [
     url(r'detail/([0-9]{1,99})/$', views.CourseDetailView.as_view()),
     url(r'vertex/([0-9]{1,99})/$', views.VertexDetail.as_view()),
-    url(r'tree/([0-9]{1,99})/$', views.TreeView.as_view()),
+    url(r'tree/(?P<slug>[-\w]+)/$', views.TreeView.as_view()),
     url(r'directions/$', views.DirectionListView.as_view()),
     url(r'^$', views.CourseListView.as_view()),
 ]

courses/new_view.py

@@ -1,7 +1,10 @@
 from rest_framework.views import APIView
 from rest_framework.renderers import JSONRenderer
 from rest_framework.response import Response
+
+from access.serializers import ExtraPrivilegeSerializer
 from courses.models import Course, MaterialDirection, Vertex
+from access.models import ActiveObject, ExtraPrivilege
 from courses.serializers import CourseDetailSerializer, CourseListSerializer, VertexSerializer, CourseTreeSerializer
 from finance.models import Bill
 
@@ -10,7 +13,7 @@ class DirectionListView(APIView):
     renderer_classes = (JSONRenderer,)
     status_code = 200
 
-    def get(self, request):
+    def get(self, _request):
         return Response([direction.title for direction in MaterialDirection.objects.all()], self.status_code)
 
 
@@ -23,18 +26,35 @@ class TreeView(APIView):
         print(request)
         return Response(status=204)
 
-    def get(self, request, pk):
+    def get(self, request, slug):
         try:
-            return Response(CourseTreeSerializer(Course.objects.get(id=pk)).data, self.status_code)
+            course = Course.objects.get(slug=slug)
         except Course.DoesNotExist:
             return Response("Course doesn't exist", status=404)
 
+        res = CourseTreeSerializer(course).data
+        try:
+            res['active_id'] = ActiveObject.objects.get(course=course, user=request.user).active_obj.id
+        except ActiveObject.DoesNotExist:
+            res['active_id'] = False
+
+        res['extra_privilege'] = [
+            ExtraPrivilegeSerializer(i).data for i in ExtraPrivilege.objects.filter(
+                user=request.user,
+                subject__course=course,
+            )
+        ]
+        return Response(res, self.status_code)
+
 
 class CourseDetailView(APIView):
     renderer_classes = (JSONRenderer,)
     status_code = 200
 
     def get(self, request, pk):
+        if not request.user.is_authenticated and request.user.in_role in ['A']:
+            return Response("Course detail access only for admin users", status=403)
+
         try:
             return Response(CourseDetailSerializer(Course.objects.get(id=pk)).data, self.status_code)
         except Course.DoesNotExist:
@@ -46,7 +66,9 @@ class CourseListView(APIView):
     status_code = 200
 
     def get(self, request):
-        if not request.GET.get('staff', 'true') == 'false':
+        if (not (request.user.is_authenticated or request.user.in_role == 'U'))\
+                or request.GET.get('staff') == 'true':
+
             return Response([CourseListSerializer(i).data for i in Course.objects.all()], self.status_code)
 
         res = []
@@ -64,10 +86,31 @@ class CourseListView(APIView):
 class VertexDetail(APIView):
     renderer_classes = (JSONRenderer,)
 
-    def get(self, request, pk):
-        if not request.user.is_authenticated:
-            return Response("Access to detail of vertex, exist only for authenticated users", status=404)
+    @staticmethod
+    def get(request, pk):
+        status = int(request.GET.get('status', '200'))
+
         try:
-            return Response(VertexSerializer(Vertex.manager.get(id=pk)).data, status=200)
+            vertex = Vertex.manager.get(id=pk)
         except Vertex.DoesNotExist:
             return Response("Vertex doesn't exist", status=404)
+
+        res_a = Response(VertexSerializer(vertex).data, status=200) if status == 200 else Response(status=204)
+
+        if vertex.free:
+            return res_a
+
+        if not request.user.is_authenticated:
+            return Response("Access to detail of vertex, exist only for authenticated users", status=403)
+
+        if ExtraPrivilege.objects.filter(user=request.user, subject=vertex).exists():
+            return res_a
+
+        try:
+            if not ActiveObject.objects.get(course=vertex.course, user=request.user).is_access(vertex):
+                return Response("permission denied", status=403)
+
+        except ActiveObject.DoesNotExist:
+            return Response("permission denied", status=403)
+
+        return res_a

courses/serializers.py

@@ -3,7 +3,7 @@ import json
 # from django.contrib.auth import get_user_model
 # from django.core.exceptions import ObjectDoesNotExist
 
-from courses.models import Course, Vertex, Tutorial, Topic, Task
+from courses.models import Course, Vertex, Tutorial, Topic, Task, NormalMap
 
 
 class TutorialSerializer(serializers.ModelSerializer):
@@ -27,56 +27,49 @@ class TopicSerializer(serializers.ModelSerializer):
 class MiniVertexSerializer(serializers.ModelSerializer):
     object = serializers.SerializerMethodField()
     type = serializers.SerializerMethodField()
-    children = serializers.SerializerMethodField()
 
     class Meta:
         model = Vertex
-        fields = ('id', 'title', 'type', 'object', 'children')
+        fields = ('id', 'title', 'type', 'object', 'free')
 
     @staticmethod
     def get_object(self):
-        if self.content_type.model == 'tutorial':
-            return TutorialSerializer(self.content_object).data
-
-        elif self.content_type.model == 'topic':
+        if self.content_type.model == 'topic':
             return TopicSerializer(self.content_object).data
-
-        elif self.content_type.model == 'task':
-            return TaskSerializer(self.content_object).data
+        return False
 
     @staticmethod
     def get_type(self):
         return self.content_type.model
 
-    @staticmethod
-    def get_children(self):
-        return json.loads(self.sort_map.dependent_elements)
-
 
 class VertexSerializer(MiniVertexSerializer):
     class Meta:
         model = Vertex
-        fields = ('id', 'title', 'type', 'object', 'children', 'description')
+        fields = ('id', 'title', 'type', 'object', "description")
 
     @staticmethod
-    def get_children(self):
-        return [VertexSerializer(Vertex.manager.get(id=i)).data
-                for i in json.loads(self.sort_map.dependent_elements)]
+    def get_object(self):
+        if self.content_type.model == 'tutorial':
+            return TutorialSerializer(self.content_object).data
+        if self.content_type.model == 'task':
+            return TaskSerializer(self.content_object).data
+        return False
 
 
 class CourseListSerializer(serializers.ModelSerializer):
-    length = serializers.SerializerMethodField()
+    statistic = serializers.SerializerMethodField()
     level = serializers.SerializerMethodField()
     direction = serializers.SerializerMethodField()
 
     class Meta:
         model = Course
-        fields = ['id', 'title', 'length',
-                  'level', 'direction', 'image', ]
+        fields = ['id', 'title', 'statistic',
+                  'level', 'direction', 'image', 'slug']
 
     @staticmethod
-    def get_length(self):
-        return 15
+    def get_statistic(self):
+        return self.get_statistic()
 
     @staticmethod
     def get_level(self):
@@ -96,8 +89,7 @@ class CourseTreeSerializer(serializers.ModelSerializer):
 
     @staticmethod
     def get_children(self):
-        return [MiniVertexSerializer(Vertex.manager.get(id=i)).data
-                for i in json.loads(self.sort_map.dependent_elements)]
+        return self.get_tree(MiniVertexSerializer)
 
 
 class CourseDetailSerializer(serializers.ModelSerializer):

courses/signals.py

@@ -9,5 +9,3 @@ def delete_dependencies(instance, **kwargs):
     """Удаляем зависимости вместе с узлом"""
     if instance.content_object:
         instance.content_object.delete()
-    if instance.sort_map:
-        instance.sort_map.delete()

journals/default_ations.py

@@ -0,0 +1,70 @@
+import os, sys, django
+
+sys.path.append("../")
+os.environ['PG_PORT_5432_TCP_ADDR'] = '127.0.0.1'
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
+django.setup()
+
+from journals.models import Action
+
+if __name__ == '__main__':
+
+    Action.objects.update_or_create(
+        name='try',
+        text='попытка сдачи чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='yes',
+        text='одобрение чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='no',
+        text='отказ от чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='like',
+        text='нравится что-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='dislike',
+        text='не нравится что-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='favorite',
+        text='добавить в избранное',
+    )
+
+    Action.objects.update_or_create(
+        name='watch',
+        text='просмотр',
+    )
+
+    Action.objects.update_or_create(
+        name='start',
+        text='начало чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='end',
+        text='окончание чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='create',
+        text='создание чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='delete',
+        text='удаление чего-либо',
+    )
+
+    Action.objects.update_or_create(
+        name='update',
+        text='изминение чего-либо',
+    )

journals/default_threads.py

@@ -5,10 +5,101 @@ os.environ['PG_PORT_5432_TCP_ADDR'] = '127.0.0.1'
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
 django.setup()
 
-from journals.models import Thread
+from management.models import Comment
+from django.contrib.contenttypes.models import ContentType
+from courses.models import Vertex, Lesson
+from access.models import ActiveObject
+from journals.models import Thread, HomeworkTry, ExamTry, Journal, Action, \
+    LessonJ, CourseThemeJ, TeacherJ, HomeworkJ, ExamJ
+from library.models import Article
 from django.contrib.auth import get_user_model
+from django.db import transaction
+
+
+def transaction_decorator(function_to_decorate):
+    def wrap(*args, **kwargs):
+        transaction.set_autocommit(False)
+        try:
+            result = function_to_decorate(*args, **kwargs)
+        except Exception as ex:
+            transaction.rollback()
+            raise ex
+        else:
+            transaction.commit()
+            return result
+        finally:
+            transaction.set_autocommit(True)
+
+    return wrap
+
+
+@transaction_decorator
+def start_end_object(instance, pref, student, course, start_th_user, end_th_user):
+    for thj in instance.objects.filter(date__isnull=False, student=student, material__course__in=course):
+        obj_id = pref + str(thj.material.id)
+        vertex = Vertex.manager.get(old_id=obj_id)
+
+        Journal.objects.get_or_create(
+            thread=start_th_user,
+            user=student,
+            content_type=vertex_type,
+            date=thj.date,
+            object_id=vertex.id,
+            action_type=start_action,
+        )
+
+        if thj.f_date:
+            Journal.objects.get_or_create(
+                thread=end_th_user,
+                user=student,
+                content_type=vertex_type,
+                date=thj.f_date,
+                object_id=vertex.id,
+                action_type=end_action,
+            )
+
+
+def task_obj_try(instance, pref, teacher, task_thread):
+    for obj_try in instance.objects.filter(teacher=teacher):
+        vt_id = Vertex.manager.get(old_id=pref + str(obj_try.material.id)).id
+        s_t_thread, _is_create = Thread.objects.get_or_create(
+            key='task_%d__student_%d__teacher_%d' % (vt_id, obj_try.student.id, obj_try.teacher.id),
+            is_staff=False,
+        )
+
+        s_t_thread.parent.add(task_thread)
+        s_t_thread.subscribers.add(obj_try.student)
+        s_t_thread.subscribers.add(obj_try.teacher)
+
+        user = obj_try.teacher
+        action = Action.objects.get(name='no')
+
+        if obj_try.success:
+            action = Action.objects.get(name='yes')
+
+        if obj_try.f_date is None:
+            user = obj_try.student
+            action = Action.objects.get(name='try')
+
+        Journal.objects.get_or_create(
+            thread=s_t_thread,
+            user=user,
+            content_type=vertex_type,
+            date=obj_try.date,
+            object_id=vt_id,
+            action_type=action
+        )
+
+#
+# Выше - хелперы, ниже - основная часть программы
+#
+
+
+@transaction_decorator
+def main_threads():
+    print("Инициализация основных тредов")
+    res = {}
 
-if __name__ == '__main__':
     support_list = [
         'kate.gazukina@skillbox.ru',
         'katerina.ragozina@skillbox.ru',
@@ -17,20 +108,61 @@ if __name__ == '__main__':
     admin_list = [
         'andrey.korolev@skillbox.ru',
         'pavel.matveev@skillbox.ru',
+        'anton.kopylov@skillbox.ru',
     ]
 
     admin_thread, _is_create = Thread.objects.get_or_create(
         key='Admin',
-        text='Тред для админов сюда падают все журналируемые сообщения в системе',
+        text='Тред для админов, сюда падают все журналируемые сообщения в системе',
         is_staff=True,
     )
 
     for i in get_user_model().objects.filter(email__in=admin_list):
         admin_thread.subscribers.add(i)
 
+    management_thread, _is_create = Thread.objects.get_or_create(
+        key='Project_management',
+        text='Тред для проджект-менеджеров, сюда падает статистика разного рода',
+        is_staff=True,
+    )
+
+    management_thread.parent.add(admin_thread)
+
+    res['library_thread'], _is_create = Thread.objects.get_or_create(
+        key='Library',
+        text='Тред <<Библиотека>> сюда прилетает вся инфа по статьям',
+        is_staff=True,
+    )
+
+    res['library_thread'].parent.add(management_thread)
+
+    start_and_end_thread, _is_create = Thread.objects.get_or_create(
+        key='Start_and_end',
+        text='Тред начала и завершения прохождения какого-либо этапа обучения',
+        is_staff=True,
+    )
+
+    start_and_end_thread.parent.add(management_thread)
+
+    res['start_thread'], _is_create = Thread.objects.get_or_create(
+        key='Start',
+        text='Тред начала прохождения какого-либо этапа обучения',
+        is_staff=True,
+    )
+
+    res['start_thread'].parent.add(start_and_end_thread)
+
+    res['end_thread'], _is_create = Thread.objects.get_or_create(
+        key='End',
+        text='Тред окончания прохождения какого-либо этапа обучения',
+        is_staff=True,
+    )
+
+    res['end_thread'].parent.add(start_and_end_thread)
+
     support_thread, _is_create = Thread.objects.get_or_create(
         key='Support',
-        text='Тред сапортов занимаются поддержкой клиента',
+        text='Тред сапортов, занимаются поддержкой клиента',
         is_staff=True,
     )
 
@@ -38,3 +170,205 @@ if __name__ == '__main__':
 
     for i in get_user_model().objects.filter(email__in=support_list):
         support_thread.subscribers.add(i)
+
+    res['task_thread'], _is_create = Thread.objects.get_or_create(
+        key='Tasks',
+        text='Сюда пободают все переписки студентов и преподов',
+        is_staff=True,
+    )
+
+    res['task_thread'].parent.add(support_thread)
+
+    res['comment_thread'], _is_create = Thread.objects.get_or_create(
+        key='Comments',
+        text='Сюда пободают все лайки дизлайки и так далее по коментам',
+        is_staff=True,
+    )
+
+    res['comment_thread'].parent.add(support_thread)
+
+    return res
+
+
+@transaction_decorator
+def create_article_journals(library_thread):
+    print("Создание журналов для статей")
+    for article in Article.objects.all():
+        article_kwarg = {
+            'content_type': article_type,
+            'object_id': article.id,
+            'thread': library_thread,
+        }
+
+        for author in article.favorite.all():
+            Journal.objects.get_or_create(
+                user=author,
+                action_type=Action.objects.get(name='favorite'),
+                **article_kwarg,
+            )
+
+        for author in article.likes.all():
+            Journal.objects.get_or_create(
+                user=author,
+                action_type=Action.objects.get(name='like'),
+                **article_kwarg,
+            )
+
+        for author in article.views.all():
+            Journal.objects.get_or_create(
+                user=author,
+                action_type=Action.objects.get(name='watch'),
+                **article_kwarg,
+            )
+
+
+def start_end_journals(start_thread, end_thread):
+    print("Создание журналов начала и завершения какого-либо этапа")
+    for ao in ActiveObject.objects.all():
+        try:
+            start_th_user, _is_create = Thread.objects.get_or_create(
+                is_staff=False,
+                key='start_thread_course_%d__user_%d' % (ao.course.id, ao.user.id),
+            )
+
+            end_th_user, _is_create = Thread.objects.get_or_create(
+                is_staff=False,
+                key='end_thread_course_%d__user_%d' % (ao.course.id, ao.user.id),
+            )
+
+            tj = TeacherJ.objects.get(course=ao.course, student=ao.user)
+            Journal.objects.get_or_create(
+                thread=start_th_user,
+                user=ao.user,
+                content_type=course_type,
+                date=tj.start_date,
+                object_id=ao.course.id,
+                action_type=start_action,
+            )
+
+            start_th_user.parent.add(start_thread)
+            end_th_user.parent.add(end_thread)
+
+            kwarg = {
+                'student': ao.user,
+                'course': ao.course,
+                'start_th_user': start_th_user,
+                'end_th_user': end_th_user,
+            }
+
+            start_end_object(
+                instance=CourseThemeJ,
+                pref='t_',
+                **kwarg,
+            )
+
+            start_end_object(
+                instance=LessonJ,
+                pref='l_',
+                **kwarg,
+            )
+
+            start_end_object(
+                instance=HomeworkJ,
+                pref='h_',
+                **kwarg,
+            )
+
+            start_end_object(
+                instance=ExamJ,
+                pref='e_',
+                **kwarg,
+            )
+
+        except TeacherJ.DoesNotExist:
+            pass
+
+
+@transaction_decorator
+def task_try(task_tread):
+    print("Журналы попыток домашек")
+    for teacher in get_user_model().objects.filter(in_role='T'):
+        task_obj_try(
+            instance=HomeworkTry,
+            pref='h_',
+            teacher=teacher,
+            task_thread=task_tread
+        )
+
+        task_obj_try(
+            instance=ExamTry,
+            pref='e_',
+            teacher=teacher,
+            task_thread=task_tread
+        )
+
+
+@transaction_decorator
+def init_comment(comment_thread):
+    comment_type = ContentType.objects.get(app_label='management', model='comment')
+    for comment in Comment.objects.all():
+        comment_kwarg = {
+            "content_type": course_type,
+            "thread": comment_thread,
+            "object_id": comment.id,
+        }
+
+        for user in comment.minus_rating.all():
+            Journal.objects.get_or_create(
+                user=user,
+                action_type=Action.objects.get(name="dislike"),
+                **comment_kwarg,
+            )
+
+        for user in comment.plus_rating.all():
+            Journal.objects.get_or_create(
+                user=user,
+                action_type=Action.objects.get(name="like"),
+                **comment_kwarg,
+            )
+
+        for user in comment.saw.all():
+            Journal.objects.get_or_create(
+                user=user,
+                action_type=Action.objects.get(name="watch"),
+                **comment_kwarg,
+            )
+
+if __name__ == '__main__':
+
+    if not "help" in sys.argv:
+        vertex_type = ContentType.objects.get(app_label='courses', model='vertex')
+        article_type = ContentType.objects.get(app_label='library', model='article')
+        course_type = ContentType.objects.get(app_label='courses', model='course')
+        start_action = Action.objects.get(name='start')
+        end_action = Action.objects.get(name='end')
+
+        boot_list = ['article', 'start_end', 'task_try', 'comment'] if len(sys.argv) == 1 else sys.argv[1:]
+
+        main_threads_info = main_threads()
+
+        if 'article' in boot_list:
+            create_article_journals(main_threads_info['library_thread'])
+
+        if 'start_end' in boot_list:
+            start_end_journals(main_threads_info['start_thread'], main_threads_info['end_thread'])
+
+        if 'task_try' in boot_list:
+            task_try(main_threads_info['task_thread'])
+
+        if 'comment' in boot_list:
+            init_comment(main_threads_info['lesson_thread'])
+
+    else:
+        print("""
+            Это скрипт миграции в новую систему данных условно его
+            можно разделить на несколько частей:\n
+            1 Инициализация основных тредов,\n
+            2 Создание журналов для статей,\n
+            3 Создание журналов начала и завершения какого-либо этапа,\n
+            4 Журналы попыток домашек,\n
+            5 Создание журналов для коментов,\n
+            
+            При запуске без флагов выполняются все этапы, но можно указать какой-то конкретный или несколько,
+            article, start_end, task_try, comment (инициализация является обязательной)
+        """)

journals/migrations/0077_journal_extra_data.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-06 16:22
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0076_auto_20170928_1625'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='journal',
+            name='extra_data',
+            field=models.TextField(default=''),
+        ),
+    ]

journals/migrations/0078_auto_20171009_0952.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-09 09:52
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0077_journal_extra_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='thread',
+            name='check_subscribe',
+            field=models.BooleanField(default=True, verbose_name='Проверять ли подписки'),
+        ),
+        migrations.AlterField(
+            model_name='thread',
+            name='subscribers',
+            field=models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL, verbose_name='Подписчики'),
+        ),
+    ]

journals/migrations/0079_thread_is_child.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-09 17:33
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0078_auto_20171009_0952'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='thread',
+            name='is_child',
+            field=models.BooleanField(default=False, verbose_name='Поле аптимизации поиска'),
+        ),
+    ]

journals/migrations/0080_auto_20171009_1736.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-09 17:36
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0079_thread_is_child'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='thread',
+            old_name='is_child',
+            new_name='is_recursively',
+        ),
+    ]

journals/migrations/0081_auto_20171009_1742.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-09 17:42
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0080_auto_20171009_1736'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='thread',
+            name='is_recursively',
+        ),
+        migrations.AddField(
+            model_name='thread',
+            name='recurse_step',
+            field=models.SmallIntegerField(default=0, verbose_name='Поле аптимизации поиска'),
+        ),
+    ]

journals/models.py

@@ -1673,20 +1673,23 @@ class Journal(models.Model):
     thread = models.ForeignKey(to='Thread', verbose_name=u'Тред')
     user = models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name=u'Инициатор действия')
     content_type = models.ForeignKey(to=ContentType)
+    extra_data = models.TextField(default='')
     object_id = models.PositiveIntegerField()
     content_object = GenericForeignKey('content_type', 'object_id')
     action_type = models.ForeignKey(to='Action')
     date = models.DateTimeField(auto_now=True)
 
     def __str__(self):
-        return 'Пользователь %s %s' % (self.user.email, self.action_type.name)
+        return '%d Пользователь %s %s %s' % (self.id, self.user.email, self.action_type.name, self.thread.key)
 
 
 class Thread(models.Model):
     key = models.CharField(max_length=200)
     text = models.TextField(default='', verbose_name=u'Описание треда')
     is_staff = models.BooleanField(default=False, verbose_name=u'Админская ли табличка')
-    subscribers = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Подписчики')
+    recurse_step = models.SmallIntegerField(default=0, verbose_name=u'Поле аптимизации поиска')
+    subscribers = models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name=u'Подписчики', blank=True)
+    check_subscribe = models.BooleanField(default=True, verbose_name='Проверять ли подписки')
     parent = models.ManyToManyField(to='self', blank=True, symmetrical=False)
     x = models.SmallIntegerField(default=300)
     y = models.SmallIntegerField(default=300)
@@ -1698,6 +1701,34 @@ class Thread(models.Model):
     def check_perm(self, user):
         return (user in self.subscribers.all()) or bool(sum([int(i.check_perm(user)) for i in self.parent.all()]))
 
+    def child_thread_count(self, step=None):
+        step = self.recurse_step if step is None else step
+
+        if step == 0:
+            return self.thread_set.count()
+
+        return sum([i.child_thread_count(step-1) for i in self.thread_set.all()])
+
+    def journals_count(self, step=None):
+        step = self.recurse_step if step is None else step
+        children = list(self.get_children(step))
+        children.append(self)
+        return Journal.objects.filter(thread__in=children).count()
+
+    def get_children(self, step):
+        children = self.thread_set.filter(is_staff=False)
+
+        if step == 0:
+            list(children).append(self)
+            return children
+
+        res = [self]
+
+        for child in children:
+            res += child.get_children(step=step-1)
+
+        return res
+
     def __str__(self):
         return self.key
 
@@ -1705,3 +1736,6 @@ class Thread(models.Model):
 class Action(models.Model):
     name = models.CharField(max_length=255, verbose_name=u'Наименование действия (на английском)')
     text = models.TextField(verbose_name=u'Описание действия')
+
+    def __str__(self):
+        return "%s (%s)" % (self.name, self.text)

journals/new_urls.py

@@ -3,5 +3,5 @@ from journals import new_view as views
 
 urlpatterns = [
     url(r'thread/$', views.ThreadListView.as_view()),
-    url(r'thread/([0-9]{1,99})/$', views.ThreadDetailView.as_view()),
+    url(r'thread/(?P<key>[-\w]+)/$', views.ThreadDetailView.as_view()),
 ]

journals/new_view.py

@@ -3,7 +3,7 @@ from rest_framework.renderers import JSONRenderer
 from rest_framework.response import Response
 
 from journals.models import Thread
-from journals.serilizers import ThreadSerializer
+from journals.serilizers import ThreadUserSerializer, ThreadAdminSerializer
 
 
 class ThreadListView(APIView):
@@ -12,7 +12,7 @@ class ThreadListView(APIView):
 
     def get(self, request):
         return Response(
-            [ThreadSerializer(thread).data for thread in Thread.objects.filter(is_staff=True)],
+            [ThreadAdminSerializer(thread).data for thread in Thread.objects.filter(is_staff=True)],
             self.status_code,
         )
 
@@ -21,14 +21,31 @@ class ThreadDetailView(APIView):
     renderer_classes = (JSONRenderer,)
     status_code = 200
 
-    def post(self, request, pk):
+    def post(self, request, key):
         try:
-            thread = Thread.objects.get(id=pk)
+            thread = Thread.objects.get(key=key)
             thread.text = request.JSON.get('text', thread.text)
             thread.key = request.JSON.get('key', thread.key)
             thread.x = request.JSON.get('x', thread.x)
             thread.y = request.JSON.get('y', thread.y)
             thread.save()
-            return Response(ThreadSerializer(thread).data, self.status_code,)
+            return Response(ThreadAdminSerializer(thread).data, self.status_code,)
         except Thread.DoesNotExist:
             return Response("Thread doesn't exist.", self.status_code,)
+
+    def get(self, request, key):
+        try:
+            return Response(ThreadUserSerializer(Thread.objects.get(key=key)).data, self.status_code)
+        except Thread.DoesNotExist:
+            return Response("Thread not found", status=404)
+
+
+# class FindThreadView(APIView):
+#     renderer_classes = (JSONRenderer,)
+#     status_code = 200
+#
+#     def get(self, request):
+#         is_full = request.GET.get('full', True)
+#         if is_full:
+#             key = request.GET['key']
+#             return Response(ThreadSerializer(Thread.objects.get(key=key)).data, self.status_code)

journals/serilizers.py

@@ -1,10 +1,42 @@
 from rest_framework import serializers
 
-from journals.models import Thread
+from journals.models import Thread, Journal
+
+
+class JournalSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Journal
+        exclude = ('content_type', 'object_id')
 
 
 class ThreadSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Thread
-        exclude = ['is_staff']
+        exclude = ('is_staff', 'recurse_step')
+
+
+class ThreadAdminSerializer(ThreadSerializer):
+    count_children = serializers.SerializerMethodField()
+    count_journals = serializers.SerializerMethodField()
+
+    @staticmethod
+    def get_count_children(self):
+        return self.child_thread_count()
+
+    @staticmethod
+    def get_count_journals(self):
+        return self.journals_count()
+
+
+class ThreadUserSerializer(serializers.ModelSerializer):
+    journals = serializers.SerializerMethodField()
+
+    class Meta:
+        model = Thread
+        fields = ('journals', 'key')
+
+    @staticmethod
+    def get_journals(self):
+        return [JournalSerializer(i).data for i in self.journal_set.all()]

lms/settings.py

@@ -61,8 +61,8 @@ EMAIL_PORT = '587'
 EMAIL_USE_TLS = True
 DEFAULT_FROM_EMAIL = 'robo@skillbox.ru'
 YANDEX_MONEY_SHOP_PASSWORD = 'nu5Xefise'
-YANDEX_SHOP_ID = '84348'
-YANDEX_scid = '78309'
+YANDEX_SHOP_ID = '157133'
+YANDEX_scid = '149639'
 # Application definition
 
 # место куда сохраняем пользовательские файлы
@@ -92,7 +92,6 @@ INSTALLED_APPS = [
     'library',
     'practice',
     'precise_bbcode',
-    'reactions',
 ]
 
 MIDDLEWARE_CLASSES = [
@@ -139,7 +138,7 @@ DATABASES = {
         'NAME': os.environ.get('DB_NAME', 'codemy'),
         'USER': os.environ.get('PG_ENV_POSTGRES_USER', 'team'),
         'PASSWORD': os.environ.get('PG_ENV_POSTGRES_PASSWORD', 'nu5Xefise'),
-        'HOST': os.environ.get('PG_PORT_5432_TCP_ADDR', '192.168.0.6'),
+        'HOST': os.environ.get('PG_PORT_5432_TCP_ADDR', '127.0.0.1'),
         'PORT': os.environ.get('PG_PORT_5432_TCP_PORT', '5432'),
     },
 }

reactions/migrations/0002_like.py

@@ -1,29 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.3 on 2017-09-21 17:58
-from __future__ import unicode_literals
-
-from django.conf import settings
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-        ('contenttypes', '0002_remove_content_type_name'),
-        ('reactions', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Like',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('is_positive', models.BooleanField(default=True)),
-                ('object_id', models.PositiveIntegerField()),
-                ('content_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.ContentType')),
-                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Инициатор действия')),
-            ],
-        ),
-    ]