Discord_Elixir_test/lib/haha_yes/utils.ex

114 lines
2.5 KiB
Elixir

defmodule HahaYes.Utility do
@moduledoc """
Various utilities to be reused in commands
"""
require Logger
alias Nostrum.Api
@doc """
Download utility with the format at 480p by default.
## Example
```
iex> HahaYes.Utility.download("https://x.com/i/status/1844841048603783249", "#{System.tmp_dir()}/test")
{:ok, "#{System.tmp_dir()}/test.mp4"}
```
```
iex> HahaYes.Utility.download("http://example.com", "#{System.tmp_dir()}/test")
{:error,"[generic] Extracting URL: http://example.com\\n[generic] example: Downloading webpage\\n[generic] example: Extracting information\\nERROR: Unsupported URL: http://example.com\\n"}
```
"""
def download(url, output, format \\ "bestvideo[height<=?480]+bestaudio/best") do
opt = [
"-f",
format,
url,
"-o",
"#{output}.%(ext)s",
"--force-overwrites",
"--playlist-reverse",
"--no-playlist",
"--remux-video=mp4/webm/mov",
"--no-warnings"
]
{error_output, status} = System.cmd("#{File.cwd!()}/bin/yt-dlp", opt, stderr_to_stdout: true)
if status !== 0 do
{:error, error_output}
else
{:ok, Enum.at(Path.wildcard("#{output}.*"), 0)}
end
end
@doc """
Compression utility with the format at 540p60 by default.
## Example
```
iex> HahaYes.Utility.compress("input.mp4", "#{System.tmp_dir()}/test")
{:ok, "#{System.tmp_dir()}/test.mp4"}
```
"""
def compress(input, output) do
opt = [
"-i",
input,
"-Z",
"Social 25 MB 2 Minutes 540p60",
"-q",
"30",
"--turbo",
"--optimize",
"-o",
output
]
{error_output, status} =
System.cmd("#{File.cwd!()}/bin/HandBrakeCLI", opt, stderr_to_stdout: true)
if status !== 0 do
{:error, error_output}
else
{:ok, output}
end
end
def validate_filesize(input) do
{:ok, file} = File.stat(input)
file_size =
(file.size / 1_000_000.0)
|> Decimal.from_float()
|> Decimal.round(2)
|> Decimal.to_float()
if file_size <= 10.0 do
{:ok, file_size}
else
{:error, "File is too big! (#{file_size})"}
end
end
def do_compression(input, message) do
message
|> Api.edit_message!("🗜 Compressing...")
with {:error, _} <- validate_filesize(input) do
compress(input, "#{input}compressed.mp4")
else
_ -> {:ok, input}
end
end
def do_download(input, output, message) do
message
|> Api.edit_message!("💾 Downloading...")
download(input, output)
end
end