import os
import sys
from datetime import datetime
from pathlib import Path
from typing import Dict
import ffmpeg
from discord_webhook import DiscordWebhook
from fastapi import FastAPI, File, UploadFile
from fastapi.responses import HTMLResponse
from discord_embed.settings import Settings
app = FastAPI(
title="discord-nice-embed",
description=Settings.description,
version="0.0.1",
contact={
"name": "Joakim Hellsén",
"url": "https://github.com/TheLovinator1",
"email": "tlovinator@gmail.com",
},
license_info={
"name": "GPL-3.0",
"url": "https://www.gnu.org/licenses/gpl-3.0.txt",
},
)
async def send_webhook(message: str) -> None:
"""Send webhook to Discord.
Args:
message (str): The message to send.
"""
webhook = DiscordWebhook(
url=Settings.webhook_url,
content=message,
rate_limit_retry=True,
)
await webhook.execute()
async def video_file_uploaded(file: UploadFile) -> Dict[str, str]:
"""Save video to disk, generate HTML, thumbnail, and return a .html URL.
Args:
file (UploadFile): Our file object.
Returns:
Dict[str, str]: Returns URL for video.
"""
# Create folder if it doesn't exist.
folder_video = os.path.join(Settings.upload_folder, "video")
Path(folder_video).mkdir(parents=True, exist_ok=True)
# Replace spaces with dots in filename.
filename = file.filename.replace(" ", ".")
# Save file to disk.
file_location = os.path.join(folder_video, filename)
with open(file_location, "wb+") as file:
await file.write(file.file.read())
file_url = f"{Settings.domain}/video/{filename}"
height, width = find_video_resolution(file_location)
screenshot_url = make_thumbnail_from_video(file_location, filename)
html_url = generate_html_for_videos(
url=file_url,
width=width,
height=height,
screenshot=screenshot_url,
filename=filename,
)
await send_webhook(f"{Settings.domain}/{filename} was uploaded.")
return {"html_url": f"{html_url}"}
@app.post("/uploadfiles/")
async def upload_file(file: UploadFile = File(...)) -> Dict[str, str]:
"""Page for uploading files.
If it is a video, we need to make a HTML file, and a thumbnail
otherwise we can just save the file and return the URL for it.
If something goes wrong, we will send a message to Discord.
Args:
file (UploadFile): Our uploaded file.
Returns:
Dict[str, str]: Returns a dict with the filename or a link to
the .html if it was a video.
"""
try:
if file.content_type.startswith("video/"):
return video_file_uploaded(file)
with open(f"{Settings.upload_folder}/{file.filename}", "wb+") as file:
await file.write(file.file.read())
domain_url = f"{Settings.domain}/{file.filename}"
await send_webhook(f"{domain_url} was uploaded.")
return {"html_url": domain_url}
except Exception as e:
await send_webhook(f"Something went wrong for {domain_url}:\n{e}")
return {"error": f"Something went wrong: {e}"}
@app.get("/", response_class=HTMLResponse)
async def main():
"""Our index view.
You can upload files here.
Returns:
HTMLResponse: Returns HTML for site.
"""
return """
discord-nice-embed
Swagger UI - API documentation
ReDoc - Alternative API documentation
"""
def generate_html_for_videos(
url: str,
width: int,
height: int,
screenshot: str,
filename: str,
) -> str:
"""Generate HTML for video files.
This is what we will send to other people on Discord.
You can remove the .html with your web server so the link will look normal.
For example, with nginx, you can do this(note the $uri.html):
location / {
try_files $uri $uri/ $uri.html;
}
Args:
url (str): URL for the video. This is accessible from the browser.
width (int): This is the width of the video.
height (int): This is the height of the video.
screenshot (str): URL for screenshot.
filename (str): Original video filename.
Returns:
str: [description]
"""
video_html = f"""
"""
html_url = os.path.join(Settings.domain, filename)
# Take the filename and append .html to it.
filename += ".html"
file_path = os.path.join(Settings.upload_folder, filename)
with open(file_path, "w", encoding="utf-8") as file:
file.write(video_html)
return html_url
def find_video_resolution(path_to_video: str) -> tuple[int, int]:
"""Find video resolution.
Args:
path_to_video (str): Path to video file.
Returns:
tuple[int, int]: Returns height and width.
"""
probe = ffmpeg.probe(path_to_video)
video_stream = next((stream for stream in probe["streams"] if stream["codec_type"] == "video"), None)
if video_stream is None:
print("No video stream found", file=sys.stderr)
sys.exit(1)
width = int(video_stream["width"])
height = int(video_stream["height"])
return height, width
def make_thumbnail_from_video(path_video: str, file_filename: str) -> str:
"""Make thumbnail for Discord. This is a screenshot of the video.
Args:
path_video (str): Path where video file is stored.
file_filename (str): File name for URL.
Returns:
str: Returns thumbnail filename.
"""
(
ffmpeg.input(path_video, ss="1")
.output(f"{Settings.upload_folder}/{file_filename}.jpg", vframes=1)
.overwrite_output()
.run()
)
# Return URL for thumbnail.
return f"{Settings.domain}/{file_filename}.jpg"