first commit

src/api/utils/agent_helpers.py

@@ -0,0 +1,230 @@
+import json
+import logging
+from src.agent.state.agent_state import AgentState
+from src.agent.state.steps import GraphStep
+from typing import Any, Optional, Tuple
+from enum import Enum
+from fastapi import status
+from fastapi.responses import JSONResponse
+from src.api.schemas.anatel_schemas import TicketResponseEvent, Processing, FieldsToUpdate, KeyType
+from src.agent.state.agent_state import get_last_ai_message
+from src.utils.external_response_builder import build_external_response
+
+logger = logging.getLogger(__name__)
+
+
+def create_error_response(
+    status_code: int,
+    correlation_id: str,
+    final_response: str,
+    parsed_response: dict = None,
+    metadata: dict = None,
+) -> JSONResponse:
+    """Standardized error envelope used by agent routes."""
+    if isinstance(parsed_response, dict):
+        error_payload = {
+            "title": parsed_response.get("title", "execution error"),
+            "status": parsed_response.get("status", status_code),
+            "correlation_id": correlation_id,
+            "detail": parsed_response.get("detail", {"messages": []}),
+        }
+    else:
+        error_payload = {
+            "title": "system error" if status_code >= 500 else "validation error",
+            "status": status_code,
+            "correlation_id": correlation_id,
+            "detail": {
+                "messages": [{"code": "EXECUTION_ERROR", "text": str(final_response)}]
+            },
+        }
+
+    if metadata:
+        error_payload["metadata"] = metadata
+
+    return JSONResponse(status_code=status_code, content=error_payload)
+
+_SR_STATUSES = [
+    "opened_reclassification_sr",
+    "opened_treatment_sr",
+    "opened_cancelation_sr",
+    "opened_forwarding_sr"
+]
+
+
+def build_ticket_tags(event_context: dict, complaint_context: dict) -> list[str]:
+    """Builds Langfuse tags from ticket event fields, used before graph execution."""
+    case_type = event_context.get("caseType", "unknown")
+    service = complaint_context.get("service", "unknown")
+    modality = complaint_context.get("modality", "unknown")
+    action_type = complaint_context.get("actionType", "unknown")
+    gov_br_seal = event_context.get("customer", {}).get("govBrSeal") or False
+
+    return [
+       f"caseType: {case_type.value.capitalize() if isinstance(case_type, Enum) else case_type}",
+       f"service: {service}",
+        f"actionType: {action_type.capitalize()}",
+        f"govBrSeal: {str(gov_br_seal).lower()}",
+    ]
+
+
+def resolve_outcome_tag(current_step: str, error_info: Optional[dict]) -> str:
+    """Returns the outcome tag based on graph execution result, used after graph execution."""
+    if current_step == GraphStep.VALIDATION_FAILED:
+        return "outcome:validation_failed"
+    if error_info:
+        return "outcome:failed"
+    return "outcome:completed"
+
+
+def extract_response_payload(state: AgentState) -> Tuple[str, Any]:
+    """
+    Standardizes the extraction of the final response from agent state.
+    Returns a tuple of (raw_string, parsed_json_or_string).
+    """
+    final_response = state.get("final_response")
+    if not final_response:
+        last_ai_msg = get_last_ai_message(state)
+        final_response = last_ai_msg.content if last_ai_msg else "No response generated"
+    
+    parsed = None
+    try:
+        parsed = json.loads(final_response)
+    except Exception:
+        parsed = final_response
+    
+    return final_response, parsed
+
+def get_http_status_code(state: AgentState, parsed_response: Any) -> int:
+    """
+    Determines the appropriate HTTP status code based on state and response content.
+    """
+    current_step = state.get("current_step", "unknown")
+    error_state = state.get("error")
+    
+    is_error = bool(error_state) or current_step == GraphStep.VALIDATION_FAILED
+    status_code = status.HTTP_200_OK
+
+    # Try to extract status code from parsed response if it's a dict
+    if isinstance(parsed_response, dict) and "status" in parsed_response:
+        try:
+            resp_status = int(parsed_response.get("status"))
+            if resp_status >= 400:
+                is_error = True
+                status_code = resp_status
+        except (ValueError, TypeError):
+            pass
+
+    if is_error and status_code == status.HTTP_200_OK:
+        is_val_err = (current_step == GraphStep.VALIDATION_FAILED or 
+                     (error_state and error_state.get("type") == "ValidationError"))
+        status_code = status.HTTP_400_BAD_REQUEST if is_val_err else status.HTTP_500_INTERNAL_SERVER_ERROR
+    
+    return status_code
+
+def build_cms_response_event(state: AgentState, correlation_id: str) -> TicketResponseEvent:
+    """
+    Unified logic to build the TicketResponseEvent for both API and Background Worker.
+    """
+    context = state.get("metadata", {}).get("request_context", {})
+    sr_data = context.get("siebel_sr_data", {})
+    sr_number = sr_data.get("interactionProtocol", "N/A")
+    decision = context.get("siebel_action", "done")
+    current_step = state.get("current_step", "unknown")
+    
+    status_mapping = {
+        "reclassificar": "opened_reclassification_sr",
+        "tratamento": "opened_treatment_sr",
+        "cancelar": "opened_cancelation_sr",
+        "reencaminhar": "opened_forwarding_sr"
+    }
+
+    if current_step == GraphStep.VALIDATION_FAILED or sr_number == "N/A":
+        cms_status = "failed"
+    else:
+        cms_status = status_mapping.get(decision.lower() if isinstance(decision, str) else "done", "done")
+
+    # Determine response action
+    if cms_status in _SR_STATUSES:
+        action = "update"
+    elif sr_number != "N/A":
+        action = "response"
+    else:
+        action = "atg"
+
+    # Build fieldsToUpdate for reclassification
+    fields_to_update = None
+    if cms_status == "opened_reclassification_sr":
+        fields_to_update = [
+            FieldsToUpdate(keyType=KeyType.STRING, keyDesc="Motivo/Problema da reclamação a ser corrigido", keyName="motive"),
+            FieldsToUpdate(keyType=KeyType.STRING, keyDesc="Modalidade/Assunto da reclamação a ser corrigida", keyName="modality")
+        ]
+
+    # Build enhanced metadata
+    metadata = {
+        "siebel_action": decision,
+    }
+
+    for key in ("canceling_decision", "forwarding_decision", "reclassification_decision", "treatment_decision"):
+        if context.get(key):
+            metadata[key] = context.get(key)
+
+    # Add knowledge base enrichment data if available
+    relevant_docs = context.get("relevant_documents")
+    if relevant_docs:
+        kb_payload = {
+            "query": relevant_docs.get("query"),
+            "documents": relevant_docs.get("documents") or [],
+        }
+        if relevant_docs.get("message"):
+            kb_payload["message"] = relevant_docs["message"]
+        if relevant_docs.get("postprocessing_id_procs_map"):
+            kb_payload["postprocessing_id_procs_map"] = relevant_docs["postprocessing_id_procs_map"]
+        metadata["relevant_documents"] = kb_payload
+
+    # Add speech enrichment data if available
+    speech = context.get("speech_analytics")
+    if speech:
+        atual_keys = (
+            "reclamacao_resumo",
+            "causa_raiz",
+            "descortesia_cliente",
+            "motivo_reclamacao",
+            "submotivo_reclamacao",
+            "sentimento_cliente",
+            "solucao_proposta_cliente",
+        )
+        related_keys = ("protocolo", "data_reclamacao", "similaridade_pct") + atual_keys
+
+        historico_relacionado = [
+            {k: item.get(k) for k in related_keys}
+            for item in (speech.get("historico_relacionado") or [])
+        ]
+        metadata["speech_retrieved_data"] = {
+            "reclamacao_atual": {k: speech.get(k) for k in atual_keys},
+            "historico": {
+                "relacionado": historico_relacionado or [],
+                "analise_agente": speech.get("analise_agente"),
+            },
+        }
+
+    # Include execution markers
+    metadata.update({
+        "iteration_count": state.get("iteration_count", 0),
+        "error": state.get("error")
+    })
+
+    case_response = build_external_response(context, decision.lower() if isinstance(decision, str) else "")
+
+    return TicketResponseEvent(
+        transactionId=correlation_id,
+        processing=Processing(
+            status=cms_status,
+            current_step=current_step,
+            action=action,
+            note=state.get("processing_notes") or None,
+            crmProtocol=sr_number if sr_number != "N/A" else None,
+            fieldsToUpdate=fields_to_update,
+            case_response=case_response,
+            metadata=metadata
+        )
+    )