Setting model, /status command for pinging host

bot/handlers/help_command/help_strings.py

@@ -11,6 +11,8 @@ help_data = {
     'setsampler': 'Set StableDiffusion sampler',
     'setscale': 'Set CFG Scale (prompt stringency)',
     'setfaces': 'Set restore faces mode',
+    'status': 'Ping API endpoint host',
+    'setmodel': '(global) Sets StableDiffusion model for all users. Can be used only once an hour',
     'setendpoint': '(admin) Set StableDiffusion API endpoint',
     'addadmin': '(admin) Add new admin - reply to message or type user ID',
     'rmadmin': '(admin) Remove admin - reply to message or type user ID'

bot/handlers/initialize/all_messages.py

@@ -1,9 +1,12 @@
 from aiogram.types import Message
-from bot.db.pull_db import pull
 
 
 async def sync_db_filter(message: Message):
+    from bot.db.pull_db import pull
+    from bot.modules.api.ping import ping
     await pull()
     if message.is_command():
         await message.reply(f'🔄️ Bot database synchronised because of restart. '
                             f'If you tried to run a command, run it again')
+    if not await ping():
+        await message.reply('⚠️ Warning: StableDiffusion server is turned off or api endpoint is incorrect')

bot/handlers/txt2img/__init__.py

@@ -1,5 +1,7 @@
 from bot.common import dp
 from .txt2img import generate_command
+from .set_model import set_model_command
+from .status import get_status
 from .set_settings import (
     set_height_command, set_negative_prompt_command, set_size_command, set_steps_command, set_width_command,
     set_prompt_command, set_sampler_command, set_cfg_scale_command, set_restore_faces_command
@@ -17,3 +19,5 @@ def register():
     dp.register_message_handler(set_settings.set_sampler_command, commands='setsampler')
     dp.register_message_handler(set_settings.set_cfg_scale_command, commands='setscale')
     dp.register_message_handler(set_settings.set_restore_faces_command, commands='setfaces')
+    dp.register_message_handler(set_model.set_model_command, commands='setmodel')
+    dp.register_message_handler(status.get_status, commands='status')

bot/handlers/txt2img/set_model.py

@@ -0,0 +1,37 @@
+from aiogram import types
+from bot.db import db, DBTables
+from bot.utils.cooldown import throttle
+from bot.keyboards.set_model import get_set_model_keyboard
+from bot.keyboards.exception import get_exception_keyboard
+from bot.utils.trace_exception import PrettyException
+from bot.modules.api.models import get_models
+from aiohttp import ClientConnectorError
+
+
+@throttle(cooldown=60*60, admin_ids=db[DBTables.config].get('admins'), by_id=False)
+async def set_model_command(message: types.Message):
+    temp_message = await message.reply('⏳ Getting models...')
+    try:
+        models = await get_models()
+        if models is not None and len(models) > 0:
+            db[DBTables.config]['models'] = models
+        else:
+            await temp_message.delete()
+            await message.reply('❌ No models available')
+            return
+
+        await temp_message.delete()
+        await message.reply("🪄 You can choose model from available:", reply_markup=get_set_model_keyboard(0))
+
+    except ClientConnectorError:
+        await message.reply('❌ Error! Maybe, StableDiffusion API endpoint is incorrect '
+                            'or turned off')
+        await temp_message.delete()
+        return
+
+    except Exception as e:
+        exception_id = f'{message.message_thread_id}-{message.message_id}'
+        db[DBTables.exceptions][exception_id] = PrettyException(e)
+        await message.reply('❌ Error happened while processing your request', parse_mode='html',
+                            reply_markup=get_exception_keyboard(exception_id))
+        return

bot/handlers/txt2img/status.py

@@ -0,0 +1,20 @@
+from aiogram import types
+from bot.db import db, DBTables
+from bot.utils.cooldown import throttle
+from bot.modules.api.ping import ping
+
+
+@throttle(cooldown=5, admin_ids=db[DBTables.config].get('admins'))
+async def get_status(message: types.Message):
+    temp_message = await message.reply('⏳ Sending request...')
+    try:
+        if await ping():
+            await message.reply('💚 Endpoint is UP')
+        else:
+            raise Exception
+
+    except Exception as e:
+        assert e
+        await message.reply('💔 Endpoint is probably DOWN or incorrect')
+
+    await temp_message.delete()