197 lines
9 KiB
Python
197 lines
9 KiB
Python
# Copyright (c) 2025 Patrick Motsch
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# All rights reserved.
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"""
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Services Module.
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Central service registry that provides access to shared services.
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IMPORTANT: Import-Regelwerk
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- Zentrale Module (wie dieses) dürfen KEINE Feature-Container importieren
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- Feature-spezifische Services werden dynamisch geladen
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- Nur Shared Services werden direkt geladen
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"""
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import os
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import importlib
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import glob
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from typing import Any, Optional, TYPE_CHECKING
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import logging
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from modules.datamodels.datamodelUam import User
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if TYPE_CHECKING:
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from modules.datamodels.datamodelChat import ChatWorkflow
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logger = logging.getLogger(__name__)
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# Path to feature containers
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_FEATURES_DIR = os.path.join(os.path.dirname(os.path.dirname(__file__)), "features")
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class PublicService:
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"""Lightweight proxy exposing only public callable attributes of a target."""
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def __init__(self, target: Any, functionsOnly: bool = True, nameFilter=None):
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self._target = target
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self._functionsOnly = functionsOnly
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self._nameFilter = nameFilter
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def __getattr__(self, name: str):
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if name.startswith('_'):
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raise AttributeError(f"'{type(self._target).__name__}' attribute '{name}' is private")
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if self._nameFilter and not self._nameFilter(name):
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raise AttributeError(f"'{name}' not exposed by policy")
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attr = getattr(self._target, name)
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if self._functionsOnly and not callable(attr):
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raise AttributeError(f"'{name}' is not a function")
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return attr
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def __dir__(self):
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return sorted([
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n for n in dir(self._target)
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if not n.startswith('_')
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and (not self._functionsOnly or callable(getattr(self._target, n, None)))
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and (self._nameFilter(n) if self._nameFilter else True)
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])
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class Services:
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"""
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Central Services class providing access to all services.
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Import-Regelwerk:
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- Shared Services are loaded directly (from modules/services/)
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- Feature-specific Services are loaded dynamically via filename discovery
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"""
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def __init__(self, user: User, workflow: "ChatWorkflow" = None, mandateId: Optional[str] = None, featureInstanceId: Optional[str] = None):
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self.user: User = user
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self.workflow = workflow
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self.mandateId: Optional[str] = mandateId
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self.featureInstanceId: Optional[str] = featureInstanceId
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self.currentUserPrompt: str = ""
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self.rawUserPrompt: str = ""
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# Initialize central interfaces
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from modules.interfaces.interfaceDbApp import getInterface as getAppInterface
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self.interfaceDbApp = getAppInterface(user, mandateId=mandateId)
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from modules.interfaces.interfaceDbManagement import getInterface as getComponentInterface
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self.interfaceDbComponent = getComponentInterface(user, mandateId=mandateId)
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self.rbac = self.interfaceDbApp.rbac if self.interfaceDbApp else None
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# ============================================================
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# CENTRAL INTERFACE (Chat/Workflow)
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# ============================================================
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from modules.interfaces.interfaceDbChat import getInterface as getChatInterface
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self.interfaceDbChat = getChatInterface(user, mandateId=mandateId, featureInstanceId=featureInstanceId)
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# ============================================================
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# SHARED SERVICES (from modules/services/)
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# ============================================================
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from .serviceSharepoint.mainServiceSharepoint import SharepointService
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self.sharepoint = PublicService(SharepointService(self))
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from .serviceTicket.mainServiceTicket import TicketService
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self.ticket = PublicService(TicketService(self))
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from .serviceChat.mainServiceChat import ChatService
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self.chat = PublicService(ChatService(self))
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from .serviceUtils.mainServiceUtils import UtilsService
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self.utils = PublicService(UtilsService(self))
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from .serviceSecurity.mainServiceSecurity import SecurityService
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self.security = PublicService(SecurityService(self))
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from .serviceMessaging.mainServiceMessaging import MessagingService
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self.messaging = PublicService(MessagingService(self))
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# ============================================================
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# AI SERVICES (from modules/services/)
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# ============================================================
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from .serviceAi.mainServiceAi import AiService
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self.ai = PublicService(AiService(self), functionsOnly=False)
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from .serviceExtraction.mainServiceExtraction import ExtractionService
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self.extraction = PublicService(ExtractionService(self))
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from .serviceGeneration.mainServiceGeneration import GenerationService
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self.generation = PublicService(GenerationService(self))
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from .serviceWeb.mainServiceWeb import WebService
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self.web = PublicService(WebService(self))
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# ============================================================
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# FEATURE INTERFACES (dynamically loaded)
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# ============================================================
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self._loadFeatureInterfaces()
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self._loadFeatureServices()
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def _loadFeatureInterfaces(self):
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"""Dynamically load interfaces from feature containers by filename pattern."""
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# Find all interfaceFeature*.py files
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pattern = os.path.join(_FEATURES_DIR, "*", "interfaceFeature*.py")
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for filepath in glob.glob(pattern):
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try:
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# Extract feature name and interface name
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featureDir = os.path.basename(os.path.dirname(filepath))
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filename = os.path.basename(filepath)[:-3] # Remove .py
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# Build module path: modules.features.<feature>.<filename>
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modulePath = f"modules.features.{featureDir}.{filename}"
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module = importlib.import_module(modulePath)
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# Get interface via getInterface()
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if hasattr(module, "getInterface"):
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interface = module.getInterface(self.user, mandateId=self.mandateId, featureInstanceId=self.featureInstanceId)
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# Derive attribute name: interfaceFeatureAiChat -> interfaceDbChat
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attrName = filename.replace("interfaceFeature", "interfaceDb")
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setattr(self, attrName, interface)
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logger.debug(f"Loaded interface: {attrName} from {modulePath}")
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except Exception as e:
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logger.debug(f"Could not load interface from {filepath}: {e}")
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def _loadFeatureServices(self):
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"""Dynamically load services from feature containers by filename pattern."""
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# Find all service*/mainService*.py files in feature containers
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pattern = os.path.join(_FEATURES_DIR, "*", "service*", "mainService*.py")
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for filepath in glob.glob(pattern):
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try:
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# Extract paths
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serviceDir = os.path.basename(os.path.dirname(filepath))
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featureDir = os.path.basename(os.path.dirname(os.path.dirname(filepath)))
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filename = os.path.basename(filepath)[:-3] # Remove .py
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# Build module path: modules.features.<feature>.<serviceDir>.<filename>
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modulePath = f"modules.features.{featureDir}.{serviceDir}.{filename}"
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module = importlib.import_module(modulePath)
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# Find service class (ends with "Service")
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serviceClass = None
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for name in dir(module):
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if name.endswith("Service") and not name.startswith("_"):
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cls = getattr(module, name)
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if isinstance(cls, type):
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serviceClass = cls
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break
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if serviceClass:
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# Derive attribute name: serviceAi -> ai, serviceExtraction -> extraction
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attrName = serviceDir.replace("service", "").lower()
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if not attrName:
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attrName = serviceDir.lower()
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# Check if it needs functionsOnly=False (for AI service)
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functionsOnly = attrName != "ai"
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serviceInstance = serviceClass(self)
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setattr(self, attrName, PublicService(serviceInstance, functionsOnly=functionsOnly))
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logger.debug(f"Loaded service: {attrName} from {modulePath}")
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except Exception as e:
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logger.debug(f"Could not load service from {filepath}: {e}")
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def getInterface(user: User, workflow: "ChatWorkflow" = None, mandateId: Optional[str] = None, featureInstanceId: Optional[str] = None) -> Services:
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"""Get Services instance for the given user, mandate, and feature instance context."""
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return Services(user, workflow, mandateId=mandateId, featureInstanceId=featureInstanceId)
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