增加图片上传接口

app/api/endpoints/meetings.py

@@ -2,7 +2,7 @@
 from fastapi import APIRouter, HTTPException, UploadFile, File, Form
 from app.models.models import Meeting, TranscriptSegment, CreateMeetingRequest, UpdateMeetingRequest
 from app.core.database import get_db_connection
-from app.core.config import UPLOAD_DIR, AUDIO_DIR, ALLOWED_EXTENSIONS, MAX_FILE_SIZE
+from app.core.config import UPLOAD_DIR, AUDIO_DIR, MARKDOWN_DIR, ALLOWED_EXTENSIONS, ALLOWED_IMAGE_EXTENSIONS, MAX_FILE_SIZE, MAX_IMAGE_SIZE
 from typing import Optional
 import os
 import uuid
@@ -392,3 +392,55 @@ def get_audio_file(meeting_id: int):
             "file_size": audio_file['file_size'],
             "upload_time": audio_file['upload_time']
         }
+
+@router.post("/meetings/{meeting_id}/upload-image")
+async def upload_image(
+    meeting_id: int,
+    image_file: UploadFile = File(...)
+):
+    # Validate file extension
+    file_extension = os.path.splitext(image_file.filename)[1].lower()
+    if file_extension not in ALLOWED_IMAGE_EXTENSIONS:
+        raise HTTPException(
+            status_code=400, 
+            detail=f"Unsupported image type. Allowed types: {', '.join(ALLOWED_IMAGE_EXTENSIONS)}"
+        )
+    
+    # Check file size
+    if image_file.size > MAX_IMAGE_SIZE:
+        raise HTTPException(
+            status_code=400,
+            detail="Image size exceeds 10MB limit"
+        )
+    
+    # Check if meeting exists
+    with get_db_connection() as connection:
+        cursor = connection.cursor(dictionary=True)
+        cursor.execute("SELECT meeting_id FROM meetings WHERE meeting_id = %s", (meeting_id,))
+        if not cursor.fetchone():
+            raise HTTPException(status_code=404, detail="Meeting not found")
+    
+    # Create meeting-specific directory
+    meeting_dir = MARKDOWN_DIR / str(meeting_id)
+    meeting_dir.mkdir(exist_ok=True)
+    
+    # Generate unique filename
+    unique_filename = f"{uuid.uuid4()}{file_extension}"
+    file_path = meeting_dir / unique_filename
+    
+    # Store relative path for URL access
+    relative_path = f"markdown/{meeting_id}/{unique_filename}"
+    
+    # Save file
+    try:
+        with open(file_path, "wb") as buffer:
+            shutil.copyfileobj(image_file.file, buffer)
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"Failed to save image: {str(e)}")
+    
+    return {
+        "message": "Image uploaded successfully",
+        "file_name": image_file.filename,
+        "file_path": relative_path,
+        "url": f"/uploads/{relative_path}"
+    }

app/core/config.py

@@ -5,14 +5,18 @@ from pathlib import Path
 BASE_DIR = Path(__file__).parent.parent.parent
 UPLOAD_DIR = BASE_DIR / "uploads"
 AUDIO_DIR = UPLOAD_DIR / "audio"
+MARKDOWN_DIR = UPLOAD_DIR / "markdown"
 
 # 文件上传配置
 ALLOWED_EXTENSIONS = {".mp3", ".wav", ".m4a", ".mpeg", ".mp4"}
+ALLOWED_IMAGE_EXTENSIONS = {".jpg", ".jpeg", ".png", ".gif", ".webp"}
 MAX_FILE_SIZE = 100 * 1024 * 1024  # 100MB
+MAX_IMAGE_SIZE = 10 * 1024 * 1024  # 10MB
 
 # 确保上传目录存在
 UPLOAD_DIR.mkdir(exist_ok=True)
 AUDIO_DIR.mkdir(exist_ok=True)
+MARKDOWN_DIR.mkdir(exist_ok=True)
 
 # 数据库配置
 DATABASE_CONFIG = {