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486 lines
17 KiB
Python
486 lines
17 KiB
Python
import logging
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import uuid
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from enum import Enum
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from typing import Optional
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from uuid import uuid4
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import yaml
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from packaging import version
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from pydantic import BaseModel
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from core.helper import ssrf_proxy
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from events.app_event import app_model_config_was_updated, app_was_created
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from extensions.ext_redis import redis_client
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from factories import variable_factory
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from models import Account, App, AppMode
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from models.model import AppModelConfig
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from services.workflow_service import WorkflowService
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logger = logging.getLogger(__name__)
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IMPORT_INFO_REDIS_KEY_PREFIX = "app_import_info:"
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IMPORT_INFO_REDIS_EXPIRY = 180 # 3 minutes
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CURRENT_DSL_VERSION = "0.2.0"
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class ImportMode(str, Enum):
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YAML_CONTENT = "yaml-content"
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YAML_URL = "yaml-url"
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class ImportStatus(str, Enum):
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COMPLETED = "completed"
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COMPLETED_WITH_WARNINGS = "completed-with-warnings"
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PENDING = "pending"
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FAILED = "failed"
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class Import(BaseModel):
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id: str
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status: ImportStatus
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app_id: Optional[str] = None
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current_dsl_version: str = CURRENT_DSL_VERSION
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imported_dsl_version: str = ""
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error: str = ""
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def _check_version_compatibility(imported_version: str) -> ImportStatus:
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"""Determine import status based on version comparison"""
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try:
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current_ver = version.parse(CURRENT_DSL_VERSION)
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imported_ver = version.parse(imported_version)
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except version.InvalidVersion:
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return ImportStatus.FAILED
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# Compare major version and minor version
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if current_ver.major != imported_ver.major or current_ver.minor != imported_ver.minor:
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return ImportStatus.PENDING
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if current_ver.micro != imported_ver.micro:
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return ImportStatus.COMPLETED_WITH_WARNINGS
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return ImportStatus.COMPLETED
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class PendingData(BaseModel):
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import_mode: str
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yaml_content: str
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name: str | None
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description: str | None
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icon_type: str | None
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icon: str | None
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icon_background: str | None
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app_id: str | None
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class AppDslService:
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def __init__(self, session: Session):
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self._session = session
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def import_app(
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self,
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*,
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account: Account,
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import_mode: str,
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yaml_content: Optional[str] = None,
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yaml_url: Optional[str] = None,
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name: Optional[str] = None,
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description: Optional[str] = None,
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icon_type: Optional[str] = None,
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icon: Optional[str] = None,
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icon_background: Optional[str] = None,
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app_id: Optional[str] = None,
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) -> Import:
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"""Import an app from YAML content or URL."""
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import_id = str(uuid.uuid4())
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# Validate import mode
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try:
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mode = ImportMode(import_mode)
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except ValueError:
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raise ValueError(f"Invalid import_mode: {import_mode}")
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# Get YAML content
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content = ""
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if mode == ImportMode.YAML_URL:
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if not yaml_url:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="yaml_url is required when import_mode is yaml-url",
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)
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try:
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max_size = 10 * 1024 * 1024 # 10MB
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response = ssrf_proxy.get(yaml_url.strip(), follow_redirects=True, timeout=(10, 10))
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response.raise_for_status()
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content = response.content
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if len(content) > max_size:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="File size exceeds the limit of 10MB",
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)
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if not content:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Empty content from url",
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)
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try:
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content = content.decode("utf-8")
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except UnicodeDecodeError as e:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error=f"Error decoding content: {e}",
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)
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except Exception as e:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error=f"Error fetching YAML from URL: {str(e)}",
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)
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elif mode == ImportMode.YAML_CONTENT:
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if not yaml_content:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="yaml_content is required when import_mode is yaml-content",
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)
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content = yaml_content
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# Process YAML content
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try:
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# Parse YAML to validate format
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data = yaml.safe_load(content)
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if not isinstance(data, dict):
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Invalid YAML format: content must be a mapping",
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)
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# Validate and fix DSL version
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if not data.get("version"):
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data["version"] = "0.1.0"
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if not data.get("kind") or data.get("kind") != "app":
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data["kind"] = "app"
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imported_version = data.get("version", "0.1.0")
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status = _check_version_compatibility(imported_version)
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# Extract app data
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app_data = data.get("app")
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if not app_data:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Missing app data in YAML content",
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)
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# If app_id is provided, check if it exists
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app = None
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if app_id:
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stmt = select(App).where(App.id == app_id, App.tenant_id == account.current_tenant_id)
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app = self._session.scalar(stmt)
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if not app:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="App not found",
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)
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if app.mode not in [AppMode.WORKFLOW.value, AppMode.ADVANCED_CHAT.value]:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Only workflow or advanced chat apps can be overwritten",
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)
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# If major version mismatch, store import info in Redis
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if status == ImportStatus.PENDING:
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panding_data = PendingData(
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import_mode=import_mode,
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yaml_content=content,
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name=name,
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description=description,
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icon_type=icon_type,
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icon=icon,
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icon_background=icon_background,
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app_id=app_id,
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)
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redis_client.setex(
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f"{IMPORT_INFO_REDIS_KEY_PREFIX}{import_id}",
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IMPORT_INFO_REDIS_EXPIRY,
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panding_data.model_dump_json(),
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)
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return Import(
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id=import_id,
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status=status,
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app_id=app_id,
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imported_dsl_version=imported_version,
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)
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# Create or update app
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app = self._create_or_update_app(
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app=app,
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data=data,
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account=account,
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name=name,
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description=description,
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icon_type=icon_type,
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icon=icon,
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icon_background=icon_background,
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)
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return Import(
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id=import_id,
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status=status,
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app_id=app.id,
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imported_dsl_version=imported_version,
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)
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except yaml.YAMLError as e:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error=f"Invalid YAML format: {str(e)}",
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)
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except Exception as e:
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logger.exception("Failed to import app")
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error=str(e),
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)
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def confirm_import(self, *, import_id: str, account: Account) -> Import:
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"""
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Confirm an import that requires confirmation
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"""
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redis_key = f"{IMPORT_INFO_REDIS_KEY_PREFIX}{import_id}"
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pending_data = redis_client.get(redis_key)
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if not pending_data:
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Import information expired or does not exist",
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)
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try:
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if not isinstance(pending_data, str | bytes):
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error="Invalid import information",
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)
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pending_data = PendingData.model_validate_json(pending_data)
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data = yaml.safe_load(pending_data.yaml_content)
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app = None
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if pending_data.app_id:
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stmt = select(App).where(App.id == pending_data.app_id, App.tenant_id == account.current_tenant_id)
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app = self._session.scalar(stmt)
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# Create or update app
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app = self._create_or_update_app(
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app=app,
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data=data,
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account=account,
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name=pending_data.name,
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description=pending_data.description,
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icon_type=pending_data.icon_type,
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icon=pending_data.icon,
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icon_background=pending_data.icon_background,
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)
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# Delete import info from Redis
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redis_client.delete(redis_key)
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return Import(
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id=import_id,
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status=ImportStatus.COMPLETED,
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app_id=app.id,
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current_dsl_version=CURRENT_DSL_VERSION,
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imported_dsl_version=data.get("version", "0.1.0"),
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)
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except Exception as e:
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logger.exception("Error confirming import")
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return Import(
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id=import_id,
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status=ImportStatus.FAILED,
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error=str(e),
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)
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def _create_or_update_app(
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self,
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*,
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app: Optional[App],
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data: dict,
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account: Account,
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name: Optional[str] = None,
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description: Optional[str] = None,
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icon_type: Optional[str] = None,
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icon: Optional[str] = None,
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icon_background: Optional[str] = None,
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) -> App:
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"""Create a new app or update an existing one."""
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app_data = data.get("app", {})
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app_mode = AppMode(app_data["mode"])
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# Set icon type
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icon_type_value = icon_type or app_data.get("icon_type")
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if icon_type_value in ["emoji", "link"]:
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icon_type = icon_type_value
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else:
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icon_type = "emoji"
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icon = icon or str(app_data.get("icon", ""))
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if app:
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# Update existing app
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app.name = name or app_data.get("name", app.name)
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app.description = description or app_data.get("description", app.description)
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app.icon_type = icon_type
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app.icon = icon
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app.icon_background = icon_background or app_data.get("icon_background", app.icon_background)
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app.updated_by = account.id
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else:
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# Create new app
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app = App()
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app.id = str(uuid4())
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app.tenant_id = account.current_tenant_id
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app.mode = app_mode.value
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app.name = name or app_data.get("name", "")
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app.description = description or app_data.get("description", "")
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app.icon_type = icon_type
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app.icon = icon
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app.icon_background = icon_background or app_data.get("icon_background", "#FFFFFF")
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app.enable_site = True
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app.enable_api = True
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app.use_icon_as_answer_icon = app_data.get("use_icon_as_answer_icon", False)
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app.created_by = account.id
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app.updated_by = account.id
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self._session.add(app)
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self._session.commit()
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app_was_created.send(app, account=account)
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# Initialize app based on mode
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if app_mode in {AppMode.ADVANCED_CHAT, AppMode.WORKFLOW}:
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workflow_data = data.get("workflow")
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if not workflow_data or not isinstance(workflow_data, dict):
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raise ValueError("Missing workflow data for workflow/advanced chat app")
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environment_variables_list = workflow_data.get("environment_variables", [])
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environment_variables = [
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variable_factory.build_variable_from_mapping(obj) for obj in environment_variables_list
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]
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conversation_variables_list = workflow_data.get("conversation_variables", [])
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conversation_variables = [
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variable_factory.build_variable_from_mapping(obj) for obj in conversation_variables_list
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]
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workflow_service = WorkflowService()
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current_draft_workflow = workflow_service.get_draft_workflow(app_model=app)
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if current_draft_workflow:
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unique_hash = current_draft_workflow.unique_hash
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else:
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unique_hash = None
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workflow_service.sync_draft_workflow(
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app_model=app,
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graph=workflow_data.get("graph", {}),
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features=workflow_data.get("features", {}),
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unique_hash=unique_hash,
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account=account,
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environment_variables=environment_variables,
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conversation_variables=conversation_variables,
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)
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elif app_mode in {AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.COMPLETION}:
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# Initialize model config
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model_config = data.get("model_config")
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if not model_config or not isinstance(model_config, dict):
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raise ValueError("Missing model_config for chat/agent-chat/completion app")
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# Initialize or update model config
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if not app.app_model_config:
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app_model_config = AppModelConfig().from_model_config_dict(model_config)
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app_model_config.id = str(uuid4())
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app_model_config.app_id = app.id
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app_model_config.created_by = account.id
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app_model_config.updated_by = account.id
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app.app_model_config_id = app_model_config.id
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self._session.add(app_model_config)
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app_model_config_was_updated.send(app, app_model_config=app_model_config)
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else:
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raise ValueError("Invalid app mode")
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return app
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@classmethod
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def export_dsl(cls, app_model: App, include_secret: bool = False) -> str:
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"""
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Export app
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:param app_model: App instance
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:return:
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"""
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app_mode = AppMode.value_of(app_model.mode)
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export_data = {
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"version": CURRENT_DSL_VERSION,
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"kind": "app",
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"app": {
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"name": app_model.name,
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"mode": app_model.mode,
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"icon": "🤖" if app_model.icon_type == "image" else app_model.icon,
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"icon_background": "#FFEAD5" if app_model.icon_type == "image" else app_model.icon_background,
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"description": app_model.description,
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"use_icon_as_answer_icon": app_model.use_icon_as_answer_icon,
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},
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}
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if app_mode in {AppMode.ADVANCED_CHAT, AppMode.WORKFLOW}:
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cls._append_workflow_export_data(
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export_data=export_data, app_model=app_model, include_secret=include_secret
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)
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else:
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cls._append_model_config_export_data(export_data, app_model)
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return yaml.dump(export_data, allow_unicode=True)
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@classmethod
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def _append_workflow_export_data(cls, *, export_data: dict, app_model: App, include_secret: bool) -> None:
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"""
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Append workflow export data
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:param export_data: export data
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:param app_model: App instance
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"""
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workflow_service = WorkflowService()
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workflow = workflow_service.get_draft_workflow(app_model)
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if not workflow:
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raise ValueError("Missing draft workflow configuration, please check.")
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export_data["workflow"] = workflow.to_dict(include_secret=include_secret)
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@classmethod
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def _append_model_config_export_data(cls, export_data: dict, app_model: App) -> None:
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"""
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Append model config export data
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:param export_data: export data
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:param app_model: App instance
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"""
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app_model_config = app_model.app_model_config
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if not app_model_config:
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raise ValueError("Missing app configuration, please check.")
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export_data["model_config"] = app_model_config.to_dict()
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