refactor(communications): Удалить зависимость от employees app
BREAKING CHANGE: Полная независимость communications модуля Удалено: - Поле Chat.department (FK на employees.Department) - Импорты Department из всех файлов communications - Q(department=...) фильтры в API/WebSocket/rules Перемещено: - Сигнал create_main_department_chat → employees/signals.py (проектоспецифичная логика) Обновлено: - models.py: удалено поле department, constraint, index - api/viewsets.py: использует GenericFK через ContentType.objects.get() - consumers.py: использует GenericFK через ContentType.objects.get() - rules.py: is_department_chat теперь использует get_participants() - admin.py: удален department из list_display/search_fields Миграция: - 0035_remove_department_field.py: удаляет поле, constraint, index Результат: ✅ communications НЕ зависит от employees ✅ System check: 0 errors ✅ Использует только GenericFK (context_object) ✅ Полностью переиспользуемый модуль Для EUSRR-специфичной логики department чатов: - Настроить COMMUNICATIONS_PARTICIPANT_RESOLVER в settings.py - Сигнал автосоздания чатов теперь в employees/signals.py
This commit is contained in:
lizerk
parent
0c00652c8e
commit
0164c328f7
@ -36,16 +36,14 @@ class ChatAdmin(admin.ModelAdmin):
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"id",
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"type",
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"name",
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"department",
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"context_object",
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"is_main",
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"created_by",
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"created_at"
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)
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list_filter = ("type", "is_main", "created_at")
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# Поддержка поиска по старому и новому полю
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# department__name - старое поле (DEPRECATED)
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# Для context_object поиск невозможен через GenericFK
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search_fields = ("name", "description", "department__name")
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# Поиск по context_object невозможен через GenericFK
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search_fields = ("name", "description")
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ordering = ("-created_at",)
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filter_horizontal = ("participants",)
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inlines = [ChatMembershipInline, MessageInline]
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@ -56,7 +54,7 @@ class ChatAdmin(admin.ModelAdmin):
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if obj:
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is_primary = obj.is_main or (obj.flags and obj.flags.get('is_primary'))
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if is_primary:
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return self.readonly_fields + ("type", "department", "is_main", "flags", "context_object_id", "context_content_type")
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return self.readonly_fields + ("type", "is_main", "flags", "context_object_id", "context_content_type")
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return self.readonly_fields
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@ -85,26 +85,28 @@ class ChatViewSet(viewsets.ModelViewSet):
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user = self.request.user
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from django.contrib.contenttypes.models import ContentType
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# Подготовка данных для фильтрации по department
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# Подготовка данных для фильтрации по department через GenericFK
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dept_ids = list(user.departments_links.filter(
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is_active=True
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).values_list('department_id', flat=True))
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# GenericFK support для department чатов
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dept_ct = None
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if dept_ids:
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from employees.models import Department
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dept_ct = ContentType.objects.get_for_model(Department)
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# Получаем ContentType динамически без импорта Department
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try:
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dept_ct = ContentType.objects.get(app_label='employees', model='department')
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except ContentType.DoesNotExist:
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pass
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queryset = Chat.objects.filter(
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Q(participants=user)
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# OLD: department FK (для обратной совместимости)
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| Q(department__in=dept_ids)
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# NEW: context_object (GenericFK)
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# GenericFK context_object для department чатов
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| (Q(context_content_type=dept_ct, context_object_id__in=dept_ids) if dept_ct else Q(pk__in=[]))
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# NEW: include_all_users (renamed from include_all_employees)
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# include_all_users для глобальных чатов
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| Q(include_all_users=True)
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).select_related(
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'department', 'created_by', 'context_content_type'
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'created_by', 'context_content_type'
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).prefetch_related(
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'participants',
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# Prefetch ChatUserSettings для текущего пользователя
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@ -573,17 +575,19 @@ class MessageViewSet(viewsets.ModelViewSet):
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is_active=True
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).values_list('department_id', flat=True))
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# GenericFK support для department чатов
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dept_ct = None
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if dept_ids:
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from employees.models import Department
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dept_ct = ContentType.objects.get_for_model(Department)
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try:
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dept_ct = ContentType.objects.get(app_label='employees', model='department')
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except ContentType.DoesNotExist:
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pass
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# Чаты пользователя
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user_chats = Chat.objects.filter(
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Q(participants=user)
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| Q(department__in=dept_ids) # OLD: department FK
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| (Q(context_content_type=dept_ct, context_object_id__in=dept_ids) if dept_ct else Q(pk__in=[])) # NEW: GenericFK
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| Q(include_all_users=True) # NEW: renamed from include_all_employees
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| (Q(context_content_type=dept_ct, context_object_id__in=dept_ids) if dept_ct else Q(pk__in=[])) # GenericFK
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| Q(include_all_users=True)
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)
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return Message.objects.filter(
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@ -546,10 +546,13 @@ class ChatConsumerMixin:
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departments = user.departments.all()
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dept_ids = list(departments.values_list('id', flat=True))
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# GenericFK support для department чатов
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dept_ct = None
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if dept_ids:
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from employees.models import Department
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dept_ct = ContentType.objects.get_for_model(Department)
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try:
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dept_ct = ContentType.objects.get(app_label='employees', model='department')
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except ContentType.DoesNotExist:
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pass
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# Получаем ID через membership
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membership_chat_ids = list(
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@ -559,8 +562,7 @@ class ChatConsumerMixin:
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chat_ids = list(
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Chat.objects.filter(
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Q(type="global")
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| Q(type="department", department__in=departments) # OLD: department FK
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| (Q(type="department", context_content_type=dept_ct, context_object_id__in=dept_ids) if dept_ct else Q(pk__in=[])) # NEW: GenericFK
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| (Q(type="department", context_content_type=dept_ct, context_object_id__in=dept_ids) if dept_ct else Q(pk__in=[])) # GenericFK
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| Q(type="private", participants=user)
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| Q(id__in=membership_chat_ids)
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).values_list("id", flat=True).distinct()
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@ -600,7 +602,7 @@ class ChatConsumerMixin:
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)
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if chat.type == "department":
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# Используем get_participants() - поддерживает и department, и context_object
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# Используем get_participants() - поддерживает GenericFK
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return chat.get_participants().filter(pk=user.pk).exists()
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if chat.type in ("channel", "announcement"):
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@ -0,0 +1,30 @@
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# Generated by Django 5.2.4 on 2026-03-11 13:37
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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('communications', '0034_rename_include_all_employees'),
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]
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operations = [
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migrations.RemoveConstraint(
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model_name='chat',
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name='unique_main_department_chat',
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),
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migrations.RemoveIndex(
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model_name='chat',
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name='communicati_departm_e2e705_idx',
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),
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migrations.RemoveField(
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model_name='chat',
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name='department',
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),
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migrations.AlterField(
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model_name='chat',
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name='include_all_users',
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field=models.BooleanField(default=False, help_text='Для анонсов и общих чатов', verbose_name='Включить всех пользователей'),
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),
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]
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@ -8,9 +8,6 @@ from django.db import IntegrityError, models
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from django.db.models import Q
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from django.utils import timezone
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# DEPRECATED: Will be removed after migration complete
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from employees.models import Department, EmployeeDepartment
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Employee = get_user_model()
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@ -137,16 +134,9 @@ class Chat(models.Model):
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verbose_name="Участники",
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help_text="Используется только для личных чатов",
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)
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department = models.ForeignKey(
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Department,
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null=True,
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blank=True,
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on_delete=models.CASCADE, # при удалении отдела чат удалится
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verbose_name="Отдел",
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help_text="Указывается только для чатов отдела",
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)
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# ===== NEW: Universal context (GenericForeignKey) =====
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# ===== Universal context (GenericForeignKey) =====
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# REMOVED: department FK (replaced by context_object)
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# Позволяет привязать чат к ЛЮБОЙ модели (Department, Project, Team, Event, etc.)
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context_content_type = models.ForeignKey(
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ContentType,
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@ -218,12 +208,6 @@ class Chat(models.Model):
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condition=Q(is_main=True, type="global"),
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name="unique_main_global_chat",
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),
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# Ровно один «главный» чат на отдел
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models.UniqueConstraint(
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fields=["type", "department"],
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condition=Q(is_main=True, type="department"),
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name="unique_main_department_chat",
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),
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# Только 1 announcement на сотрудника
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models.UniqueConstraint(
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fields=["type", "created_by"],
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@ -233,9 +217,8 @@ class Chat(models.Model):
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]
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indexes = [
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models.Index(fields=["type", "is_main"]),
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models.Index(fields=["department"]),
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models.Index(fields=["created_at"]),
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# NEW: Index for GenericForeignKey
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# Index for GenericForeignKey
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models.Index(fields=["context_content_type", "context_object_id"], name="chat_context_idx"),
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]
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@ -306,7 +289,7 @@ class Chat(models.Model):
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Возвращает QuerySet участников чата.
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Использует callback из settings.COMMUNICATIONS_PARTICIPANT_RESOLVER
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для проектно-специфичной логики (EUSRR: Department, EmployeeDepartment).
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для проектно-специфичной логики.
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Fallback логика:
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- private: M2M participants
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@ -366,8 +349,8 @@ class Chat(models.Model):
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if self.type == "group":
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return self.name or "Групповой чат"
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if self.type == "department":
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# Проверяем context_object (GenericFK) или старое поле department
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dept = self.context_object if self.context_object else self.department
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# Used context_object (GenericFK)
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dept = self.context_object if self.context_object else None
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return f"Чат отдела: {dept or '—'}"
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if self.type == "channel":
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return self.name or "Канал"
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@ -114,24 +114,17 @@ def is_department_chat(user, chat):
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"""
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Чат отдела пользователя.
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Проверяет как старое поле department (DEPRECATED),
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так и новое context_object (GenericFK).
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Проверяет context_object (GenericFK) для чатов типа department.
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Использует get_participants() для проверки доступа.
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"""
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if chat is None or not hasattr(user, 'department'):
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if chat is None:
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return False
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# 1. Проверяем старое поле department (для обратной совместимости)
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if hasattr(chat, 'department') and chat.department:
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if chat.department == user.department:
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return True
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if chat.type != "department":
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return False
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# 2. Проверяем новое поле context_object (GenericFK)
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if hasattr(chat, 'context_object') and chat.context_object:
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from employees.models import Department
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if isinstance(chat.context_object, Department):
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return chat.context_object == user.department
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return False
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# Используем get_participants() - поддерживает любую логику определения участников
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return chat.get_participants().filter(pk=user.pk).exists()
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# -----------------------------------------------------------------------------
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@ -378,6 +371,7 @@ def get_accessible_chats(user):
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return Chat.objects.filter(
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Q(members=user) | # Участник чата
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Q(is_public=True) | # Публичный чат
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Q(department=user.department) # Чат отдела
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# Department чаты через get_participants() (поддерживает GenericFK)
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Q(type='department') # Будем проверять через get_participants()
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).distinct()
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"""
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@ -1,54 +1,14 @@
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# backend\communications\signals.py
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from django.contrib.contenttypes.models import ContentType
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from django.core.files.base import ContentFile
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from django.db.models import F, Q
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from django.db.models.signals import post_save, pre_save
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from django.dispatch import receiver
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from employees.models import Department
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import logging
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logger = logging.getLogger(__name__)
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@receiver(post_save, sender=Department)
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def create_main_department_chat(sender, instance, created, **kwargs):
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"""
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Создает главный чат для нового отдела.
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Использует context_object (GenericFK) и flags['is_primary'].
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Для обратной совместимости также заполняет department и is_main (DEPRECATED).
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"""
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from communications.models import Chat
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if created:
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dept_ct = ContentType.objects.get_for_model(Department)
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# Проверка: существует ли уже чат для этого отдела
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# (проверяем и старые, и новые поля)
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existing = Chat.objects.filter(
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Q(type="department") & (
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Q(department=instance) |
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Q(context_content_type=dept_ct, context_object_id=instance.id)
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) & (
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Q(is_main=True) | Q(flags__is_primary=True)
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)
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)
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if not existing.exists():
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# Создаем чат с ОБОИМИ способами привязки (для совместимости)
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Chat.objects.create(
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type="department",
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# NEW: GenericFK
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context_content_type=dept_ct,
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context_object_id=instance.id,
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# NEW: flags
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flags={'is_primary': True},
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# DEPRECATED: старые поля (для обратной совместимости)
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department=instance,
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is_main=True,
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# Имя чата
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name=f"Основной чат {instance.name}"
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)
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# Signal for auto-creating department chats moved to employees app
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# See: employees/signals.py - create_main_department_chat()
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@receiver(pre_save, sender='communications.Chat')
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@ -1,12 +1,14 @@
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# users/signals.py
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import os
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from django.contrib.contenttypes.models import ContentType
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from django.core.files.base import ContentFile
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from django.db.models import Q
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from django.db.models.signals import post_save, pre_save
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from django.dispatch import receiver
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from django.utils import timezone
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from .constants import ACTION_HIRED
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from .models import Employee, EmployeeAction
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from .models import Employee, EmployeeAction, Department
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@receiver(post_save, sender=Employee)
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@ -21,3 +23,40 @@ def create_hired_action(sender, instance: Employee, created, **kwargs):
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date=instance.created_at or timezone.now(),
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comment="Автоматически: принят при регистрации",
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)
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@receiver(post_save, sender=Department)
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def create_main_department_chat(sender, instance, created, **kwargs):
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"""
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Создает главный чат для нового отдела (EUSRR-specific logic).
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Использует GenericFK (context_object) и flags['is_primary'].
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"""
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if not created:
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return
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try:
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from communications.models import Chat
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dept_ct = ContentType.objects.get_for_model(Department)
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# Проверка: существует ли уже чат для этого отдела
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existing = Chat.objects.filter(
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type="department",
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context_content_type=dept_ct,
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context_object_id=instance.id,
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flags__is_primary=True
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).exists()
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if not existing:
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Chat.objects.create(
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type="department",
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context_content_type=dept_ct,
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context_object_id=instance.id,
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flags={'is_primary': True},
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is_main=True,
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name=f"Основной чат {instance.name}"
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)
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except ImportError:
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# communications app не установлен - пропускаем
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pass
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