app.py

import os

import secrets
import threading
import gradio as gr
from io import BytesIO
from fusion import Fusion
from telethon import TelegramClient, events, Button, types


API_ID = os.environ.get("API_ID")
API_HASH = os.environ.get("API_HASH")
BOT_TOKEN = os.environ.get("BOT_TOKEN")


client = TelegramClient('session_name', API_ID, API_HASH)

states = {}

@client.on(events.NewMessage(pattern='/start'))
async def start_handler(event):
    await event.reply("Welcome to AudioFusion Bot! Send me an audio file, and I'll apply effects for you.")

buttons = [
        [Button.inline('Slowed', b'slowed'), Button.inline('8D', b'8d')],
        [Button.inline('Reverb', b'reverb'), Button.inline('Reverse', b'reverse')],
        [Button.inline('Volume', b'volume'), Button.inline('Speedup', b'speedup')],
        [Button.inline('Preview', b'preview')],
        [Button.inline('Send', b'send')],
    ]

@client.on(events.NewMessage(pattern='/buttons'))
async def buttons_handler(event):
    user_id = event.sender_id
        
    # Download the audio file and store it in the user's state
    reply_message = await event.get_reply_message()
    if not reply_message or not reply_message.file:
        await event.reply("Please reply to an audio file.")
        return

    audio_file = BytesIO()
    await event.client.download_media(reply_message, audio_file)
    audio_file.seek(0)
    
    # Store the audio file in the user's state
    states[user_id] = {'audio': audio_file}

    await client.send_file(event.chat_id, file="image.jpg", caption="Preview the current modification:", buttons=buttons)
    

@client.on(events.CallbackQuery(pattern=b'(slowed|8d|reverb|reverse|trim|volume|speedup)'))
async def audio_effect_handler(event):
    user_id = event.sender_id
    if user_id not in states or not states[user_id]:
        await event.answer("No audio file found. Please use /buttons command to upload an audio file.")
        return

    # Retrieve the audio file from the user's state
    audio_file = states[user_id]['audio']

    query = event.pattern_match.group(1).decode("UTF-8")
    sound = Fusion.from_file(audio_file, format="mp3")
    if query == 'slowed':
        modified_sound = await Fusion.effectSlowed(sound)
    elif query == 'speedup':
        modified_sound = await Fusion.effectSlowed(sound, 1.1)
    elif query == '8d':
        modified_sound = await Fusion.effect8D(sound)
    elif query == 'reverb':
        modified_sound = await Fusion.effectReverb(sound)
    elif query == 'reverse':
        modified_sound = sound.reverse()
    else:
        return await event.answer("INvalid for now...")
        
    audio_file = BytesIO()
    audio = modified_sound.export(audio_file, format="mp3")
    audio.seek(0)
    # Update the user's state with the modified sound
    states[user_id]['audio'] = audio

    await event.answer("Effect applied. Click /send to receive the modified audio file.", alert=True)



@client.on(events.CallbackQuery(pattern=b'preview'))
async def preview_handler(event):
    user_id = event.sender_id
    if user_id in states and states[user_id]:
        # Send the current modification for preview
        output_file_name = f"{user_id}_preview"
        output_file = await Fusion.saveSound(states[user_id]['audio'], output_file_name)
        await event.edit("`Uploading...`", buttons=buttons)
        # Edit the message and send the audio file in the edited message
        await event.edit(file=output_file, text="`Preview the current modification:`", buttons=buttons)
        
        # Clean up - remove the saved preview audio file
        os.remove(output_file)
    else:
        await event.answer("No modified audio file found. Please apply an effect first.", alert=True)


@client.on(events.CallbackQuery(pattern=b'send'))
async def send_handler(event):      
    user_id = event.sender_id
    if user_id in states and states[user_id]:
        # Send the modified sound file
        # output_file_name = f"{user_id}_modified_audio"
        # output_file = await Fusion.saveSound(states[user_id]["audio"], output_file_name)
        # await event.reply(file=output_file)

        await client.send_file(event.chat_id, file=states[user_id]["audio"], attributes=types.DocumentAttributeFilename(file_name="Audio.mp3"))

        # Clean up - remove the user's state and the saved audio file
        del states[user_id]
        # os.remove(output_file)
        await event.delete()
    else:
        await event.answer("No modified audio file found. Please apply an effect first.")



def process_audio(input_file,
    effect_8d, pan_boundary, jump_percentage, time_l_to_r, volume_multiplier,
    effect_slowed, speed_multiplier,
    effect_reverb, room_size, damping, width, wet_level, dry_level
):
    # Load the sound file  
    sound = Fusion.loadSound(input_file)
    os.remove(os.path.abspath(input_file))
    effects_str = []
    
    # Apply effects based on user choices
    if effect_8d:
        sound = Fusion.effect8D(sound, pan_boundary, jump_percentage, time_l_to_r*1000, volume_multiplier)
        effects_str.append("8d")
    if effect_slowed:
        sound = Fusion.effectSlowed(sound, speed_multiplier)
        effects_str.append("Slowed")
    if effect_reverb:
        sound = Fusion.effectReverb(sound, room_size, damping, width, wet_level, dry_level, str(secrets.token_hex(5)))
        effects_str.append("Reverb")

    output_file = f"{input_file} {' + '.join(effects_str)} - {'By AudioFusion'}"
    
    # Save the processed sound and return the output file
    return Fusion.saveSound(sound, output_file)
    


before_text = """<div align="center">
<h1>AudioFusion</h1>
<i>Add a touch of uniqueness with various customizable effects like slowed and reverb.</i>
</div>
<hr>"""

after_text = """<hr>
PR in [github](https://github.com/MineisZarox/AudioFusion) repository beta branch are always welcome.

<h3>Todo</h3>

\# Acapella Extractor<br>
\# Karoke Maker<br>
\# Bass Booster<br>
\# Volume Booster<br>


<h3>Inspiration & Credits</h3>

- Special thanks to [Jiaaro](https://github.com/jiaaro) for pydub. AudioFusion is mainly wrapped around pydub

- My Soundscapes of Serenity - [Because](https://t.me/bcuzwhynot)
"""

with gr.Blocks(title="Audio Fusion") as iface:
    gr.Markdown(before_text)
    input_audio = gr.Audio(label="Upload your music file", type="filepath")
    
    # SLowed Effect and its arguments
    with gr.Tab("Slowed Effect"):
        speed_check = gr.Checkbox(label="Apply slowed effect")
        with gr.Column(visible=False) as se_col:
            speed = gr.Slider(label="Speed Multiplier", minimum=0.1, maximum=4, step=0.05, value=0.90)
    
    # Reverb Effect and its argument
    with gr.Tab("Reverb Effect"):
        reverb_check = gr.Checkbox(label="Apply reverb effect")
        with gr.Column(visible=False) as re_col:
            with gr.Row():
                room = gr.Slider(label="Room Size", minimum=0, maximum=1, step=0.01, value=0.8)
                damp = gr.Slider(label="Damping", minimum=0, maximum=1, step=0.05, value=1)
            width = gr.Slider(label="Width", minimum=0, maximum=1, step=0.05, value=0.5)
            with gr.Row():
                wet = gr.Slider(label="Wet Level", minimum=0, maximum=1, step=0.05, value=0.3)
                dry = gr.Slider(label="Dry Level", minimum=0, maximum=1, step=0.05, value=0.8)
    
    # 8d Effect and its arguments
    with gr.Tab("8d Effect"):
        dimension_check = gr.Checkbox(label="Apply 8D effect")
        with gr.Column(visible=False) as di_col:
            with gr.Row():
                pan = gr.Slider(label="Pan Boundary", minimum=0, maximum=100, value=90)
                jump = gr.Slider(label="Jump Percentage", minimum=1, maximum=100, value=5)
            with gr.Row():
                time = gr.Slider(label="Time L to R (s)", minimum=1, maximum=30, value=10)
                volx = gr.Slider(label="Volume Multiplier", minimum=1, maximum=20, value=6)

    # =====================================================
    def di_v(check):
        if check:
            return {di_col: gr.Column(visible=True)}
        else:
            return {di_col: gr.Column(visible=False)}
            
    def se_v(check):
        if check:
            return {se_col: gr.Column(visible=True)}
        else:
            return {se_col: gr.Column(visible=False)}
            
    def re_v(check):
        if check:
            return {re_col: gr.Column(visible=True)}
        else:
            return {re_col: gr.Column(visible=False)}
        

    dimension_check.change(di_v, inputs=[dimension_check], outputs=[di_col])
    speed_check.change(se_v, inputs=[speed_check], outputs=[se_col])
    reverb_check.change(re_v, inputs=[reverb_check], outputs=[re_col])
    # =====================================================

    with gr.Row():
        btnClear = gr.ClearButton(components=[dimension_check, speed_check, reverb_check])
        btnRun = gr.Button("Run", size="sm", variant="primary")
    
    inputs = [input_audio, dimension_check, pan, jump, time, volx, speed_check, speed, reverb_check, room, damp, width, wet, dry]
    output = [gr.Audio(label="Download processed music", type="filepath")]

    gr.Markdown(after_text)

    btnClear.add(components=output)
    btnRun.click(fn=process_audio, inputs=inputs, outputs=output, api_name="AudioFusion")

async def initiation():
    await client.send_message(-1001662130485, "**Hugging is Running.**", buttons=[(Button.url("Execal", "https://t.me/execal"),)],)

if __name__ == '__main__':
    client.start(bot_token=BOT_TOKEN)
    client.loop.run_until_complete(initiation())
    threading.Thread(target=iface.launch).start() #(share=False)
    print("Bot started succefully")
    client.run_until_disconnected()