From a7edbb743cc26d1daafbb0c48ce584b1964a5c5f Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期二, 18 二月 2025 09:43:15 +0800
Subject: [PATCH] tmp

---
 app/service/v2/chat.py |   80 +++++++++++++++++++++++++++++++++++++++-
 1 files changed, 78 insertions(+), 2 deletions(-)

diff --git a/app/service/v2/chat.py b/app/service/v2/chat.py
index 7af7071..246b3f1 100644
--- a/app/service/v2/chat.py
+++ b/app/service/v2/chat.py
@@ -1,8 +1,11 @@
+import io
 import json
+
+import fitz
 
 from Log import logger
 from app.config.agent_base_url import RG_CHAT_DIALOG, DF_CHAT_AGENT, DF_CHAT_PARAMETERS, RG_CHAT_SESSIONS, \
-    DF_CHAT_WORKFLOW
+    DF_CHAT_WORKFLOW, DF_UPLOAD_FILE
 from app.config.config import settings
 from app.config.const import *
 from app.models import DialogModel, ApiTokenModel, UserTokenModel
@@ -11,6 +14,8 @@
 from app.service.v2.app_driver.chat_data import ChatBaseApply
 from app.service.v2.app_driver.chat_dialog import ChatDialog
 from app.service.v2.app_driver.chat_workflow import ChatWorkflow
+from docx import Document
+from dashscope import get_tokenizer  # dashscope鐗堟湰 >= 1.14.0
 
 
 async def update_session_log(db, session_id: str, message: dict, conversation_id: str):
@@ -185,6 +190,7 @@
                 data = ans.get("data", {})
                 event = smart_workflow_finished
                 node_list.append(ans)
+
             elif ans.get("event") == message_end:
                 event = smart_message_end
             else:
@@ -209,7 +215,7 @@
                                                   "error": error}, conversation_id)
 
 
-async def service_chat_basic(db, chat_id: str, question: str, session_id: str, user_id):
+async def service_chat_basic(db, chat_id: str, chat_data: ChatData, session_id: str, user_id, mode: str):
     ...
 
 
@@ -242,3 +248,73 @@
     url = settings.fwr_base_url + RG_CHAT_SESSIONS.format(chat_id)
     chat = ChatDialog()
     return await chat.chat_sessions(url, {"name": name}, await chat.get_headers(token))
+
+
+async def service_chat_upload(db, chat_id, file, user_id):
+    files = []
+    token = await get_chat_token(db, chat_id)
+    if not token:
+        return files
+    url = settings.dify_base_url + DF_UPLOAD_FILE
+    chat = ChatBaseApply()
+    for f in file:
+        try:
+            file_content = await f.read()
+            file_upload = await chat.chat_upload(url, {"file": (f.filename, file_content)}, {"user": str(user_id)},
+                                                 {'Authorization': f'Bearer {token}'})
+            try:
+                tokens = await read_file(file_content, f.filename, f.content_type)
+                file_upload["tokens"] = tokens
+            except:
+                ...
+            files.append(file_upload)
+        except Exception as e:
+            logger.error(e)
+    return json.dumps(files) if files else ""
+
+
+async def get_str_token(input_str):
+    # 鑾峰彇tokenizer瀵硅薄锛岀洰鍓嶅彧鏀寔閫氫箟鍗冮棶绯诲垪妯″瀷
+    tokenizer = get_tokenizer('qwen-turbo')
+    # 灏嗗瓧绗︿覆鍒囧垎鎴恡oken骞惰浆鎹负token id
+    tokens = tokenizer.encode(input_str)
+    # print(f"缁忚繃鍒囧垎鍚庣殑token id涓猴細{tokens}銆�")
+    # # 缁忚繃鍒囧垎鍚庣殑token id涓猴細 [31935, 64559, 99320, 56007, 100629, 104795, 99788, 1773]
+    # print(f"缁忚繃鍒囧垎鍚庡叡鏈墈len(tokens)}涓猼oken")
+    # # 缁忚繃鍒囧垎鍚庡叡鏈�8涓猼oken
+    #
+    # # 灏唗oken id杞寲涓哄瓧绗︿覆骞舵墦鍗板嚭鏉�
+    # for i in range(len(tokens)):
+    #     print(f"token id涓簕tokens[i]}瀵瑰簲鐨勫瓧绗︿覆涓猴細{tokenizer.decode(tokens[i])}")
+    return len(tokens)
+
+async def read_pdf(pdf_stream):
+    text = ""
+    with fitz.open(stream=pdf_stream, filetype="pdf") as pdf_document:
+        for page in pdf_document:
+            text += page.get_text()
+    return text
+
+
+async def read_word(word_stream):
+    # 浣跨敤 python-docx 鎵撳紑 Word 鏂囦欢娴�
+    doc = Document(io.BytesIO(word_stream))
+
+    # 鎻愬彇姣忎釜娈佃惤鐨勬枃鏈�
+    text = ""
+    for para in doc.paragraphs:
+        text += para.text
+
+    return text
+
+async def read_file(file, filename, content_type):
+    text = ""
+    if content_type == "application/pdf" or filename.endswith('.pdf'):
+
+        # 鎻愬彇 PDF 鍐呭
+        text = await read_pdf(file)
+    elif content_type == "application/vnd.openxmlformats-officedocument.wordprocessingml.document" or filename.endswith(
+            '.docx'):
+        text = await read_word(file)
+
+    return await get_str_token(text)

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