Initial commit - DesignerCEP Project with Caddy deployment

Server/app/services/group_service.py

@@ -0,0 +1,60 @@
+from fastapi import HTTPException, status
+from sqlalchemy.orm import Session
+from app.models.user import User
+from app.models.group import PluginGroup
+from app.schemas.client import CheckUpdateData
+from datetime import datetime, timezone
+
+class GroupService:
+    def check_update(self, db: Session, username: str) -> CheckUpdateData:
+        user = db.query(User).filter(User.username == username).first()
+        if not user:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="用户不存在")
+
+        # Check expiration
+        is_expired = False
+        if user.expire_date:
+            now = datetime.now(timezone.utc)
+            expire_date = user.expire_date
+            if expire_date.tzinfo is None:
+                 expire_date = expire_date.replace(tzinfo=timezone.utc)
+            if now > expire_date:
+                is_expired = True
+
+        # Get group and version
+        if not user.group_id:
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="用户未分配组")
+        
+        group = db.query(PluginGroup).filter(PluginGroup.id == user.group_id).first()
+        if not group:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="用户所属组不存在")
+
+        if not group.current_version_file:
+             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="当前组无可用版本")
+
+        # Construct download URL (assuming base URL or relative path)
+        # In a real scenario, this might be from config
+        download_url = f"/download/{group.current_version_file}"
+        
+        # Extract version from filename roughly or use file metadata if available
+        # Assuming filename format: plugin_v1.0.2.zip
+        version = "unknown"
+        filename = group.current_version_file
+        if "v" in filename:
+            try:
+                # Simple extraction logic, can be improved
+                parts = filename.split("v")
+                if len(parts) > 1:
+                    version_part = parts[1]
+                    version = "v" + version_part.split(".zip")[0].split("_")[0]
+            except:
+                pass
+
+        return CheckUpdateData(
+            version=version,
+            download_url=download_url,
+            force_update=False,
+            is_expired=is_expired
+        )
+
+group_service = GroupService()