gateway/modules/services/serviceGeneration/renderers/json_renderer.py
2025-10-06 15:39:25 +02:00

74 lines
2.8 KiB
Python

"""
JSON renderer for report generation.
"""
from .base_renderer import BaseRenderer
from typing import Dict, Any, Tuple, List
import json
class JsonRenderer(BaseRenderer):
"""Renders content to JSON format with format-specific extraction."""
@classmethod
def get_supported_formats(cls) -> List[str]:
"""Return supported JSON formats."""
return ['json']
@classmethod
def get_format_aliases(cls) -> List[str]:
"""Return format aliases."""
return ['data']
@classmethod
def get_priority(cls) -> int:
"""Return priority for JSON renderer."""
return 80
def getExtractionPrompt(self, user_prompt: str, title: str) -> str:
"""Return only JSON-specific guidelines; global prompt is built centrally."""
return (
"JSON FORMAT GUIDELINES:\n"
"- Output ONLY a single valid JSON object (no fences, no pre/post text).\n"
"- Choose a structure that best fits the user's intent; include a top-level title and data.\n"
"- Prefer arrays/objects that map cleanly to the extracted facts.\n"
"- Include minimal metadata only if useful (e.g., generatedAt, sources).\n"
"OUTPUT: Return ONLY valid, parseable JSON."
)
async def render(self, extracted_content: str, title: str) -> Tuple[str, str]:
"""Render extracted content to JSON format."""
try:
# The extracted content should already be JSON from the AI
# Just validate and format it
json_content = self._clean_json_content(extracted_content, title)
return json_content, "application/json"
except Exception as e:
self.logger.error(f"Error rendering JSON: {str(e)}")
# Return minimal JSON fallback
fallback_data = {
"title": title,
"sections": [{"type": "text", "content": f"Error rendering report: {str(e)}"}],
"metadata": {"error": str(e)}
}
return json.dumps(fallback_data, indent=2), "application/json"
def _clean_json_content(self, content: str, title: str) -> str:
"""Clean and validate JSON content from AI."""
content = content.strip()
# Remove markdown code blocks if present
if content.startswith("```") and content.endswith("```"):
lines = content.split('\n')
if len(lines) > 2:
content = '\n'.join(lines[1:-1]).strip()
# Validate JSON
try:
parsed = json.loads(content)
# Re-format with proper indentation
return json.dumps(parsed, indent=2, ensure_ascii=False)
except json.JSONDecodeError:
# If not valid JSON, return as-is
return content