cc8f0bb862
- Added MAX_NUMBER_OF_SLIDES constant to limit slide generation. - Updated GeneratePresentationRequest model to allow optional slide count and language detection. - Implemented language resolution in edit_slide and generate_presentation_outlines utilities. - Enhanced user prompts to include optional parameters for slide count and table of contents. - Introduced outline utilities for managing table of contents and slide outlines. - Improved image and icon processing in slides to utilize outline image URLs. - Updated frontend components to resolve backend asset URLs for icons and images. - Refactored upload components to handle optional slide count and language selection. - Enhanced API utility functions to resolve backend asset URLs correctly.
139 lines
4.6 KiB
Python
139 lines
4.6 KiB
Python
import asyncio
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import json
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import traceback
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import uuid
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import dirtyjson
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from fastapi import APIRouter, Depends, HTTPException
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from fastapi.responses import StreamingResponse
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from sqlalchemy.ext.asyncio import AsyncSession
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from models.presentation_outline_model import PresentationOutlineModel
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from models.sql.presentation import PresentationModel
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from models.sse_response import (
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SSECompleteResponse,
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SSEErrorResponse,
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SSEResponse,
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SSEStatusResponse,
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)
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from services.temp_file_service import TEMP_FILE_SERVICE
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from services.database import get_async_session
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from services.documents_loader import DocumentsLoader
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from utils.outline_utils import (
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get_no_of_outlines_to_generate_for_n_slides,
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get_presentation_title_from_presentation_outline,
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)
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from utils.llm_calls.generate_presentation_outlines import generate_ppt_outline
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OUTLINES_ROUTER = APIRouter(prefix="/outlines", tags=["Outlines"])
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@OUTLINES_ROUTER.get("/stream/{id}")
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async def stream_outlines(
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id: uuid.UUID, sql_session: AsyncSession = Depends(get_async_session)
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):
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presentation = await sql_session.get(PresentationModel, id)
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if not presentation:
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raise HTTPException(status_code=404, detail="Presentation not found")
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temp_dir = TEMP_FILE_SERVICE.create_temp_dir()
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async def inner():
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yield SSEStatusResponse(
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status="Generating presentation outlines..."
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).to_string()
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additional_context = ""
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if presentation.file_paths:
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documents_loader = DocumentsLoader(
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file_paths=presentation.file_paths,
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presentation_language=presentation.language,
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)
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await documents_loader.load_documents(temp_dir)
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documents = documents_loader.documents
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if documents:
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additional_context = "\n\n".join(documents)
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presentation_outlines_text = ""
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if presentation.n_slides > 0:
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n_slides_to_generate = get_no_of_outlines_to_generate_for_n_slides(
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n_slides=presentation.n_slides,
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toc=presentation.include_table_of_contents,
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title_slide=presentation.include_title_slide,
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)
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else:
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n_slides_to_generate = None
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async for chunk in generate_ppt_outline(
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presentation.content,
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n_slides_to_generate,
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presentation.language,
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additional_context,
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presentation.tone,
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presentation.verbosity,
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presentation.instructions,
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presentation.include_title_slide,
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presentation.web_search,
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presentation.include_table_of_contents,
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):
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# Give control to the event loop
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await asyncio.sleep(0)
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if isinstance(chunk, HTTPException):
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yield SSEErrorResponse(detail=chunk.detail).to_string()
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return
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yield SSEResponse(
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event="response",
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data=json.dumps({"type": "chunk", "chunk": chunk}),
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).to_string()
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presentation_outlines_text += chunk
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try:
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presentation_outlines_json = dict(
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dirtyjson.loads(presentation_outlines_text)
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)
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except Exception as e:
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traceback.print_exc()
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yield SSEErrorResponse(
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detail=f"Failed to generate presentation outlines. Please try again. {str(e)}",
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).to_string()
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return
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presentation_outlines = PresentationOutlineModel(**presentation_outlines_json)
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if (
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n_slides_to_generate is not None
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and len(presentation_outlines.slides) != n_slides_to_generate
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):
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yield SSEErrorResponse(
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detail=(
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"Failed to generate presentation outlines with requested "
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"number of slides. Please try again."
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)
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).to_string()
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return
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if n_slides_to_generate is not None:
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presentation_outlines.slides = presentation_outlines.slides[
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:n_slides_to_generate
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]
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if presentation.n_slides <= 0:
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presentation.n_slides = len(presentation_outlines.slides)
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presentation.outlines = presentation_outlines.model_dump()
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presentation.title = get_presentation_title_from_presentation_outline(
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presentation_outlines
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)
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sql_session.add(presentation)
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await sql_session.commit()
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yield SSECompleteResponse(
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key="presentation", value=presentation.model_dump(mode="json")
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).to_string()
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return StreamingResponse(inner(), media_type="text/event-stream")
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