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b4f2238 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | """API endpoints."""
import logging
from typing import Any
from django.http import HttpRequest
from ninja import Router, Status
from apps.core.infrastructure.throttling import rate_limit_from_settings
from apps.core.security.auth import JWTOrSessionAuth
from .schemas import (
CreateSessionRequest,
ErrorResponse,
GenerateDocumentRequest,
GenerateDocumentResponse,
MessageListResponse,
SessionDetailResponse,
SessionListResponse,
SessionResponse,
UpdateSessionStatusRequest,
)
logger = logging.getLogger(__name__)
router = Router(tags=["AI 诉讼文书生成"], auth=JWTOrSessionAuth())
def _get_conversation_service() -> Any:
from apps.litigation_ai.services import LitigationConversationService
return LitigationConversationService()
def _get_document_generator_service() -> Any:
from apps.litigation_ai.services import DocumentGeneratorService
return DocumentGeneratorService()
@router.post(
"/sessions",
response={200: SessionDetailResponse, 400: ErrorResponse, 403: ErrorResponse},
)
@rate_limit_from_settings("TASK", by_user=True)
def create_session(request: HttpRequest, payload: CreateSessionRequest) -> Any:
service = _get_conversation_service()
user = getattr(request, "user", None)
session = service.create_session(case_id=payload.case_id, user_id=user.id if user else None)
recommended_types = service.get_recommended_document_types(payload.case_id)
return {
"session_id": session.session_id,
"case_id": session.case_id,
"document_type": session.document_type,
"status": session.status,
"metadata": session.metadata,
"created_at": session.created_at,
"updated_at": session.updated_at,
"messages": [],
"recommended_types": recommended_types,
}
@router.get("/sessions", response={200: SessionListResponse, 403: ErrorResponse})
def list_sessions(
request: HttpRequest, case_id: int | None = None, status: str | None = None, limit: int = 20, offset: int = 0
) -> Any:
service = _get_conversation_service()
user = getattr(request, "user", None)
sessions_data = service.list_sessions(
user_id=user.id if user else None,
case_id=case_id,
status=status,
session_type="doc_gen",
limit=limit,
offset=offset,
)
return {"count": sessions_data["total"], "results": sessions_data["sessions"]}
@router.get(
"/sessions/{session_id}",
response={200: SessionDetailResponse, 404: ErrorResponse, 403: ErrorResponse},
)
def get_session(request: HttpRequest, session_id: str) -> Any:
service = _get_conversation_service()
session = service.get_session(session_id)
messages = service.get_messages(session_id)
recommended_types = service.get_recommended_document_types(session.case_id)
return {
"session_id": session.session_id,
"case_id": session.case_id,
"document_type": session.document_type,
"status": session.status,
"metadata": session.metadata,
"created_at": session.created_at,
"updated_at": session.updated_at,
"messages": [
{
"id": msg.id,
"role": msg.role,
"content": msg.content,
"metadata": msg.metadata,
"created_at": msg.created_at,
}
for msg in messages
],
"recommended_types": recommended_types,
}
@router.get(
"/sessions/{session_id}/messages",
response={200: MessageListResponse, 404: ErrorResponse, 403: ErrorResponse},
)
def get_messages(request: HttpRequest, session_id: str, limit: int = 50, offset: int = 0) -> Any:
service = _get_conversation_service()
messages = service.get_messages(session_id, limit=limit, offset=offset)
total = service.get_message_count(session_id)
return {
"messages": [
{
"id": msg.id,
"role": msg.role,
"content": msg.content,
"metadata": msg.metadata,
"created_at": msg.created_at,
}
for msg in messages
],
"total": total,
"limit": limit,
"offset": offset,
}
@router.patch(
"/sessions/{session_id}",
response={200: SessionResponse, 404: ErrorResponse, 400: ErrorResponse, 403: ErrorResponse},
)
def update_session_status(request: HttpRequest, session_id: str, payload: UpdateSessionStatusRequest) -> Any:
service = _get_conversation_service()
session = service.update_session_status(session_id, payload.status)
return {
"session_id": session.session_id,
"case_id": session.case_id,
"document_type": session.document_type,
"status": session.status,
"metadata": session.metadata,
"created_at": session.created_at,
"updated_at": session.updated_at,
}
@router.delete(
"/sessions/{session_id}",
response={204: None, 404: ErrorResponse, 403: ErrorResponse},
)
def delete_session(request: HttpRequest, session_id: str) -> Any:
service = _get_conversation_service()
user = getattr(request, "user", None)
service.delete_session(session_id, user)
return Status(204, None)
@router.post(
"/sessions/{session_id}/generate",
response={200: GenerateDocumentResponse, 404: ErrorResponse, 400: ErrorResponse, 403: ErrorResponse},
)
@rate_limit_from_settings("LLM", by_user=True)
def generate_document(request: HttpRequest, session_id: str, payload: GenerateDocumentRequest) -> Any:
service = _get_document_generator_service()
conversation_service = _get_conversation_service()
conversation_service.get_session(session_id)
task = service.generate_document(session_id=session_id, template_id=payload.template_id)
return {
"task_id": task.id,
"document_name": task.document_name,
"document_url": task.document_url,
"status": task.status,
"created_at": task.created_at,
}
@router.get(
"/tasks/{task_id}",
response={200: GenerateDocumentResponse, 404: ErrorResponse, 403: ErrorResponse},
)
def get_task_status(request: HttpRequest, task_id: int) -> Any:
service = _get_document_generator_service()
user = getattr(request, "user", None)
task = service.get_task_status(task_id, user)
return {
"task_id": task.id,
"document_name": task.document_name,
"document_url": task.document_url if task.document_url else None,
"status": task.status,
"created_at": task.created_at,
}
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