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src/capa_de_integracion/services/quick_reply_content.py

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+"""
+Copyright 2025 Google. This software is provided as-is, without warranty or
+representation for any use or purpose. Your use of it is subject to your
+agreement with Google.
+
+Quick Reply content service for loading FAQ screens.
+"""
+
+import json
+import logging
+
+from ..config import Settings
+from ..models.quick_replies import QuickReplyDTO, QuestionDTO
+
+
+logger = logging.getLogger(__name__)
+
+
+class QuickReplyContentService:
+    """Service for loading quick reply screen content from JSON files."""
+
+    def __init__(self, settings: Settings):
+        """
+        Initialize quick reply content service.
+
+        Args:
+            settings: Application settings
+        """
+        self.settings = settings
+        self.quick_replies_path = settings.base_path / "quick_replies"
+
+        logger.info(
+            f"QuickReplyContentService initialized with path: {self.quick_replies_path}"
+        )
+
+    async def get_quick_replies(self, screen_id: str) -> QuickReplyDTO | None:
+        """
+        Load quick reply screen content by ID.
+
+        Args:
+            screen_id: Screen identifier (e.g., "pagos", "home")
+
+        Returns:
+            Quick reply DTO or None if not found
+        """
+        if not screen_id or not screen_id.strip():
+            logger.warning("screen_id is null or empty. Returning empty quick replies")
+            return QuickReplyDTO(
+                header="empty",
+                body=None,
+                button=None,
+                header_section=None,
+                preguntas=[],
+            )
+
+        file_path = self.quick_replies_path / f"{screen_id}.json"
+
+        try:
+            if not file_path.exists():
+                logger.warning(f"Quick reply file not found: {file_path}")
+                return None
+
+            with open(file_path, "r", encoding="utf-8") as f:
+                data = json.load(f)
+
+            # Parse questions
+            preguntas_data = data.get("preguntas", [])
+            preguntas = [
+                QuestionDTO(
+                    titulo=q.get("titulo", ""),
+                    descripcion=q.get("descripcion"),
+                    respuesta=q.get("respuesta", ""),
+                )
+                for q in preguntas_data
+            ]
+
+            quick_reply = QuickReplyDTO(
+                header=data.get("header"),
+                body=data.get("body"),
+                button=data.get("button"),
+                header_section=data.get("header_section"),
+                preguntas=preguntas,
+            )
+
+            logger.info(
+                f"Successfully loaded {len(preguntas)} quick replies for screen: {screen_id}"
+            )
+            return quick_reply
+
+        except json.JSONDecodeError as e:
+            logger.error(f"Error parsing JSON file {file_path}: {e}", exc_info=True)
+            return None
+        except Exception as e:
+            logger.error(
+                f"Error loading quick replies for screen {screen_id}: {e}",
+                exc_info=True,
+            )
+            return None