191 lines
7.3 KiB
Python
191 lines
7.3 KiB
Python
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from django.shortcuts import render
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import json
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from http import HTTPStatus
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from dashscope import Application
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from django.http import JsonResponse
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from .models import User, ChatRecord
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from django.utils.crypto import get_random_string
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from Crypto.Cipher import AES
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import base64
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from .views import update_usage_count
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def decrypt_param(x, t):
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# 创建AES解密器对象
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key = b'qw5w6SFE2D1jmxyd'
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iv = b'345GDFED433223DF'
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# 检查 x 和 t 是否为空
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if not x or not t:
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return False
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try:
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cipher = AES.new(key, AES.MODE_CBC, iv)
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# 将密文进行Base64解码
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ciphertext_bytes = base64.b64decode(x)
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# 使用解密器解密密文
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plaintext_bytes = cipher.decrypt(ciphertext_bytes)
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# 删除填充字符
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plaintext = plaintext_bytes.rstrip(b'\0').decode('utf-8')
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# 比较解密后的明文和 t
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if plaintext.rstrip('\x03') == t.rstrip('\x03'):
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return True
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else:
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return False
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except Exception as e:
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print(f"解密过程出现错误: {e}")
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return False
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def call_bailian_app(request):
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body = request.body.decode("utf-8")
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data = json.loads(body)
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user_id = data.get("user_id")
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openid = data.get("openid")
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role_name = data.get("role", "AI助手") # 默认角色为“默认AI聊天”
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prompt = data.get("prompt")
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x = request.headers.get('X', '')
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t = request.headers.get('T', '')
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increment = -1
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function_type = 'call_bailian_app'
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result = update_usage_count(openid, increment, function_type)
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if decrypt_param(x, t):
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if result['success']:
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print(f"收到请求: user_id={user_id}, role_name={role_name}, prompt={prompt}")
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try:
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user = User.objects.get(nickname=user_id)
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print(f"找到用户: {user.nickname}")
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except User.DoesNotExist:
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print("用户不存在")
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return JsonResponse({"message": "用户不存在"}, status=404)
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# 检查是否已有该用户和角色的会话
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conversation = ChatRecord.objects.filter(nickname=user.nickname, role=role_name).first()
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if not conversation:
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print(f"新会话ID")
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response = Application.call(
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app_id=get_app_id(role_name),
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prompt=prompt,
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api_key="sk-9458cae1bed7460c9780e52ca6005cae",
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)
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conversation_id = response.output.get('session_id')
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else:
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conversation_id = conversation.conversation_id
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response = Application.call(
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app_id=get_app_id(role_name),
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prompt=prompt,
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api_key="sk-9458cae1bed7460c9780e52ca6005cae",
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session_id=conversation_id
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)
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print(f"已有会话ID: {conversation_id}")
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print(f"API调用响应状态: {response.status_code}")
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if response.status_code != HTTPStatus.OK:
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print(f"API调用失败: request_id={response.request_id}, message={response.message}")
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return JsonResponse({
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"message": "调用应用程序失败",
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"request_id": response.request_id,
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"code": response.status_code,
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"details": response.message
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}, status=response.status_code)
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ai_response = response.output.get('text') if response.output else "AI无回复"
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print(f"AI回复: {ai_response}")
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ChatRecord.objects.create(
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openid=user.openid,
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nickname=user.nickname,
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conversation_id=conversation_id,
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role=role_name,
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message_content=prompt,
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is_response=False
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)
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# 保存AI回复
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ChatRecord.objects.create(
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openid=user.openid,
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nickname=user.nickname,
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conversation_id=conversation_id,
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role=role_name,
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message_content=ai_response,
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is_response=True
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)
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# 检索会话的最近10条消息
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last_messages = ChatRecord.objects.filter(nickname=user.nickname, conversation_id=conversation_id).order_by('-timestamp')[:10]
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last_messages_list = [
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{
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"content": msg.message_content,
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"is_response": msg.is_response,
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"role":msg.role,
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"timestamp": msg.timestamp.strftime('%Y-%m-%d %H:%M:%S')
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} for msg in reversed(last_messages)
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]
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print(f"最近10条消息: {last_messages_list}")
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return JsonResponse({
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"message": "成功",
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"ai_response": ai_response,
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"conversation_id": conversation_id,
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"last_messages": last_messages_list
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}, status=HTTPStatus.OK)
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else:
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return JsonResponse(result)
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else:
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return JsonResponse({'error': '非法参数'}, status=400)
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# 新增接口：获取用户和角色的最近10条聊天记录
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def get_recent_chat_records(request):
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body = request.body.decode("utf-8")
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data = json.loads(body)
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user_id = data.get("user_id")
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role_name = data.get("role", "AI助手") # 默认角色为“默认AI聊天”
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x = request.headers.get('X', '')
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t = request.headers.get('T', '')
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if decrypt_param(x, t):
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print(f"收到请求: user_id={user_id}, role_name={role_name}")
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try:
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user = User.objects.get(nickname=user_id)
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print(f"找到用户: {user.nickname}")
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except User.DoesNotExist:
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print("用户不存在")
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return JsonResponse({"message": "用户不存在"}, status=404)
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# 获取该用户和角色的最近10条聊天记录
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last_messages = ChatRecord.objects.filter(nickname=user.nickname, role=role_name).order_by('-timestamp')[:10]
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last_messages_list = [
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{
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"content": msg.message_content,
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"is_response": msg.is_response,
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"role": msg.role,
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"timestamp": msg.timestamp.strftime('%Y-%m-%d %H:%M:%S')
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} for msg in reversed(last_messages)
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]
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print(f"最近10条消息: {last_messages_list}")
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return JsonResponse({
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"message": "成功",
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"last_messages": last_messages_list
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}, status=HTTPStatus.OK)
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else:
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return JsonResponse({'error': '非法参数'}, status=400)
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def get_app_id(role_name):
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role_app_id_map = {
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"法律咨询": "446cde34829e4d6490667b1271dee537",
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"行业分析师": "bdce7fba11b147ca846a1b4d1f5e7e72",
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"写工作报告": "f340613da5574815975acdc10bac4e47",
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"产品顾问": "f9b0612793e94a669fe7ad2fecbda50e",
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"写爆款文案": "2c8d6675a9794711a886a5e8cf714afe",
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"写公众号文章": "4fb69f6bd9bb49c9a6329202c6f28c84",
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"文案改写": "b94734c09c414814bc0505a4e5b636c6",
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"招聘助理": "c70caf3fd67b44c4947df70f05cf9f10",
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"AI助手": "92d23cd2c5d64ef5ac6ad02692fc510b",
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"小红书文案": "c5211023cbf64d548ea55a47c516007a",
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"写广告文案": "6c9770da90ec47979ce899cec49c396c",
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}
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return role_app_id_map.get(role_name, "app_id_default")
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