presenton/servers/fastapi/api/v1/ppt/endpoints/slide.py

137 lines
5 KiB
Python

import asyncio
from typing import Annotated
from fastapi import APIRouter, Body, HTTPException
from models.image_prompt import ImagePrompt
from models.presentation_outline_model import SlideOutlineModel
from models.sql.presentation import PresentationModel
from models.sql.slide import SlideModel
from services.database import get_sql_session
from services.icon_finder_service import IconFinderService
from services.image_generation_service import ImageGenerationService
from utils.asset_directory_utils import get_images_directory
from utils.dict_utils import get_dict_at_path, get_dict_paths_with_key, set_dict_at_path
from utils.llm_calls.edit_slide import get_edited_slide_content
from utils.llm_calls.select_slide_type_on_edit import get_slide_layout_from_prompt
SLIDE_ROUTER = APIRouter(prefix="/slide", tags=["Slide"])
@SLIDE_ROUTER.post("/edit")
async def edit_slide(id: Annotated[str, Body()], prompt: Annotated[str, Body()]):
with get_sql_session() as sql_session:
slide = sql_session.get(SlideModel, id)
if not slide:
raise HTTPException(status_code=404, detail="Slide not found")
presentation = sql_session.get(PresentationModel, slide.presentation)
if not presentation:
raise HTTPException(status_code=404, detail="Presentation not found")
presentation_layout = presentation.get_layout()
slide_layout = await get_slide_layout_from_prompt(
prompt, presentation_layout, slide
)
edited_slide_content = await get_edited_slide_content(
prompt, slide_layout, slide, presentation.language
)
# Get old image and icon dicts
old_image_dict_paths = get_dict_paths_with_key(slide.content, "__image_prompt__")
old_image_dicts = [
get_dict_at_path(slide.content, path) for path in old_image_dict_paths
]
old_image_prompts = [
old_image_dict["__image_prompt__"] for old_image_dict in old_image_dicts
]
old_icon_dict_paths = get_dict_paths_with_key(slide.content, "__icon_query__")
old_icon_dicts = [
get_dict_at_path(slide.content, path) for path in old_icon_dict_paths
]
old_icon_queries = [
old_icon_dict["__icon_query__"] for old_icon_dict in old_icon_dicts
]
# Get new image and icon dicts
new_image_dict_paths = get_dict_paths_with_key(
edited_slide_content, "__image_prompt__"
)
new_image_dicts = [
get_dict_at_path(edited_slide_content, path) for path in new_image_dict_paths
]
new_icon_dict_paths = get_dict_paths_with_key(
edited_slide_content, "__icon_query__"
)
new_icon_dicts = [
get_dict_at_path(edited_slide_content, path) for path in new_icon_dict_paths
]
image_generation_service = ImageGenerationService(get_images_directory())
icon_finder_service = IconFinderService()
async_image_fetch_tasks = []
new_images_fetch_status = []
async_icon_fetch_tasks = []
new_icons_fetch_status = []
for new_image in new_image_dicts:
# Use old image url if prompt is same
if new_image["__image_prompt__"] in old_image_prompts:
old_image_url = old_image_dicts[
old_image_prompts.index(new_image["__image_prompt__"])
]["__image_url__"]
new_image["__image_url__"] = old_image_url
new_images_fetch_status.append(False)
continue
async_image_fetch_tasks.append(
image_generation_service.generate_image(
ImagePrompt(
prompt=new_image["__image_prompt__"],
)
)
)
new_images_fetch_status.append(True)
for new_icon in new_icon_dicts:
if new_icon["__icon_query__"] in old_icon_queries:
old_icon_url = old_icon_dicts[
old_icon_queries.index(new_icon["__icon_query__"])
]["__icon_url__"]
new_icon["__icon_url__"] = old_icon_url
new_icons_fetch_status.append(False)
continue
async_icon_fetch_tasks.append(
icon_finder_service.search_icons(new_icon["__icon_query__"])
)
new_icons_fetch_status.append(True)
new_images = await asyncio.gather(*async_image_fetch_tasks)
new_icons = await asyncio.gather(*async_icon_fetch_tasks)
for i, new_image in enumerate(new_images):
if new_images_fetch_status[i]:
new_image_dicts[i]["__image_url__"] = new_images[i]
for i, new_icon in enumerate(new_icons):
if new_icons_fetch_status[i]:
new_icon_dicts[i]["__icon_url__"] = new_icons[i]
for i, new_image_dict in enumerate(new_image_dicts):
set_dict_at_path(edited_slide_content, new_image_dict_paths[i], new_image_dict)
for i, new_icon_dict in enumerate(new_icon_dicts):
set_dict_at_path(edited_slide_content, new_icon_dict_paths[i], new_icon_dict)
with get_sql_session() as sql_session:
sql_session.add(slide)
slide.content = edited_slide_content
slide.layout = slide_layout.id
sql_session.commit()
sql_session.refresh(slide)
return slide